Experimental AVFoundation renderer

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,31 +0,0 @@
----
-name: Bug report
-about: Create a report to help us address broken functionality
-
----
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**Steps to reproduce**
-Any special steps that are required for the bug to appear.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem. If the issue is related to video glitching or poor quality, please include screenshots.
-
-**Moonlight settings (please complete the following information)**
-- Have any settings been adjusted from defaults?
-- If so, which settings have been changed?
-- Does the problem still occur after reverting settings back to default?
-
-**Client PC details (please complete the following information)**
- - OS: [e.g. Windows 10 1803]
- - Moonlight Version: [e.g. v0.2.0]
-
-**Logs (please attach)**
-- On Windows, `Moonlight-###.log` files can be found in `%TEMP%`. Simply type that into the File Explorer path field to navigate there.
-- On macOS, `Moonlight-###.log` files can be found in `/tmp`. In Finder, press Cmd+Shift+G, then type `/tmp` to navigate there.
-- On Linux, logs print to the terminal when running via `flatpak run com.moonlight_stream.Moonlight`
-
-**Additional context**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,17 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.

.github/no-response.yml

@@ -1,8 +0,0 @@
-# ProBot No Response (https://probot.github.io/apps/no-response/)
-
-daysUntilClose: 7
-responseRequiredLabel: 'need more info'
-closeComment: >
-  This issue has been automatically closed because there was no response to a
-  request for more information from the issue opener. Please leave a comment or
-  open a new issue if you have additional information related to this issue.

.github/stale.yml

@@ -1,14 +0,0 @@
-# ProBot Stale (https://probot.github.io/apps/stale/)
-
-daysUntilStale: 90
-daysUntilClose: 7
-exemptLabels:
-  - accepted
-  - bug
-  - enhancement
-  - meta
-staleLabel: stale
-markComment: >
-  This issue has been automatically marked as stale because it has not had
-  recent activity. It will be closed if no further activity occurs.
-closeComment: false

.gitignore

@@ -1,5 +1 @@
 *pro.user
-
-
-**/.vs/
-build/

.gitmodules

@@ -1,6 +1,9 @@
 [submodule "moonlight-common-c/moonlight-common-c"]
 	path = moonlight-common-c/moonlight-common-c
 	url = https://github.com/moonlight-stream/moonlight-common-c.git
+[submodule "opus/opus"]
+	path = opus/opus
+	url = https://github.com/xiph/opus.git
 [submodule "qmdnsengine/qmdnsengine"]
 	path = qmdnsengine/qmdnsengine
 	url = https://github.com/cgutman/qmdnsengine.git

.travis.yml

@@ -1,49 +0,0 @@
-language: cpp
-
-git:
-  depth: 1
-
-matrix:
-  include:
-    - os: osx
-      compiler: clang
-    - os: linux
-      sudo: required
-      dist: xenial
-      compiler: gcc
-      addons:
-        apt:
-          sources:
-            - sourceline: 'ppa:beineri/opt-qt596-xenial'
-            - sourceline: 'ppa:jonathonf/ffmpeg-4'
-          packages:
-            - qt59base
-            - qt59quickcontrols2
-            - qt59svg
-            - libesd0-dev
-            - libgl-dev
-            - libegl1-mesa-dev
-            - libxkbcommon-dev
-            - wayland-protocols
-            - libopus-dev
-            - libavcodec-dev
-            - libavutil-dev
-            - libva-dev
-            - libvdpau-dev
-
-install:
-    - '[ "$TRAVIS_OS_NAME" != osx ] || brew install qt5'
-    - '[ "$TRAVIS_OS_NAME" != osx ] || brew link --force qt5'
-    - if [[ "$TRAVIS_OS_NAME" = "linux" ]]; then export SDL2_VER=2.0.8 && wget https://www.libsdl.org/release/SDL2-$SDL2_VER.tar.gz && tar -xvf SDL2-$SDL2_VER.tar.gz && cd SDL2-$SDL2_VER && ./configure && make && sudo make install && cd ..; fi
-
-before_script:
-    - '[ "$TRAVIS_OS_NAME" != "linux" ] || source /opt/qt59/bin/qt59-env.sh'
-    - qmake -v
-    - '[[ "$TRAVIS_OS_NAME" != linux || "$CXX" != clang++ ]] || export QMAKESPEC=linux-clang'
-    - '[[ "$TRAVIS_OS_NAME" != linux || "$CXX" != g++     ]] || export QMAKESPEC=linux-g++'
-    - '[ "$TRAVIS_OS_NAME" != osx ]                          || export QMAKESPEC=macx-clang'
-
-script:
-    - qmake moonlight-qt.pro -spec $QMAKESPEC
-    - make debug
-    - make release

README.md

@@ -1,34 +1,20 @@
 # Moonlight PC
 
-[Moonlight PC](http://moonlight-stream.com) is an open source implementation of NVIDIA's GameStream, as used by the NVIDIA Shield, but built to run on Windows, Mac, and Linux. This client is the successor to [Moonlight Chrome](https://github.com/moonlight-stream/moonlight-chrome) for streaming on PC.
+[Moonlight PC](http://moonlight-stream.com) is an open source implementation of NVIDIA's GameStream, as used by the NVIDIA Shield, but built to run on Windows, Mac, and Linux.
 
 Moonlight also has mobile versions for [Android](https://github.com/moonlight-stream/moonlight-android) and  [iOS](https://github.com/moonlight-stream/moonlight-ios).
 
-See the [releases page](https://github.com/moonlight-stream/moonlight-qt/releases) for download links for Windows and Mac. For Linux, we're on [Flathub](https://flathub.org/apps/details/com.moonlight_stream.Moonlight).
+This is a work-in-progress port and is only suitable for development use at this point.
-
-You can follow development on our [Discord server](https://discord.gg/6ERtzFY).
-
- [![Windows AppVeyor Status](https://ci.appveyor.com/api/projects/status/glj5cxqwy2w3bglv/branch/master?svg=true)](https://ci.appveyor.com/project/cgutman/moonlight-qt/branch/master)
- [![Mac and Linux Travis CI Status](https://travis-ci.org/moonlight-stream/moonlight-qt.svg?branch=master)](https://travis-ci.org/moonlight-stream/moonlight-qt)
-
-## Features
- - Hardware accelerated video decoding on Windows, Mac, and Linux
- - Supports streaming at up to 120 FPS on high refresh rate monitors
- - Supports streaming at 720p, 1080p, 1440p, or 4K
- - 5.1 surround sound audio
- - HEVC support for better image quality at reduced bandwidth
- - Keyboard and mouse support
- - Gamepad support with SDL gamepad mappings
 
 ## Building
 1. Install the latest Qt SDK (and optionally, the Qt Creator IDE) from https://www.qt.io/download
-    - On Windows, install Visual Studio 2017 and select MSVC 2017 toolchain during Qt installation
+3. Run `git submodule update --init --recursive` from within `moonlight-qt/`
-    - On Mac, install the latest version of XCode
+4. Open the project in Qt Creator or build from qmake on the command line
-    - On Linux, install your distro equivalents of: `openssl-devel qt5-devel SDL2-devel ffmpeg-devel qt5-qtquickcontrols2-devel libva-devel libvdpau-devel`
-2. Run `git submodule update --init --recursive` from within `moonlight-qt/`
-3. Open the project in Qt Creator or build from qmake on the command line
 
 ## Contribute
+
+This project is being actively developed at [XDA Developers](http://forum.xda-developers.com/showthread.php?t=2505510)
+
 1. Fork us
 2. Write code
 3. Send Pull Requests

app/Info.plist

@@ -3,30 +3,24 @@
 <plist version="1.0">
 <dict>
 	<key>CFBundleExecutable</key>
-	<string>Moonlight</string>
+	<string>moonlight-qt</string>
 	<key>CFBundleGetInfoString</key>
-	<string>Stream games from your NVIDIA GameStream-enabled PC</string>
+	<string>Created by Qt/QMake</string>
 	<key>CFBundleIconFile</key>
-	<string>moonlight</string>
+	<string>macos</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.moonlight-stream.Moonlight</string>
+	<string>com.yourcompany.moonlight-qt</string>
-	<key>NSHighResolutionCapable</key>
-	<true/>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.11</string>
+	<string>10.10</string>
+	<key>NOTE</key>
+	<string>This file was generated by Qt/QMake.</string>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
 	<true/>
-	<key>CFBundleVersion</key>
-	<string>0.4.0</string>
-	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
-	<key>CFBundleDisplayName</key>
-	<string>Moonlight</string>
 </dict>
 </plist>

app/Moonlight.exe.manifest

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<assembly xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" manifestVersion="1.0">
-    <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
-        <security>
-            <requestedPrivileges>
-                <requestedExecutionLevel level="asInvoker" uiAccess="false" />
-            </requestedPrivileges>
-        </security>
-    </trustInfo>
-    <description>Moonlight Game Streaming</description>
-    <asmv3:application>
-        <asmv3:windowsSettings>
-            <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware>
-            <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">permonitor</dpiAwareness>
-        </asmv3:windowsSettings>
-    </asmv3:application>
-    <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
-        <application>
-            <!-- Windows 10 -->
-            <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
-            <!-- Windows 8.1 -->
-            <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
-            <!-- Windows 8 -->
-            <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
-            <!-- Windows 7 -->
-            <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
-            <!-- Windows Vista -->
-            <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
-        </application> 
-    </compatibility>
-</assembly>

app/app.pro

@@ -1,19 +1,7 @@
-QT += core quick network quickcontrols2 svg
+QT += core quick network quickcontrols2
 CONFIG += c++11
 
-unix:!macx {
+TARGET = moonlight-qt
-    TARGET = moonlight
-} else {
-    # On macOS, this is the name displayed in the global menu bar
-    TARGET = Moonlight
-}
-
-# Support debug and release builds from command line for CI
-CONFIG += debug_and_release
-
-# Ensure symbols are always generated
-CONFIG += force_debug_info
-
 TEMPLATE = app
 
 # The following define makes your compiler emit warnings if you use
@@ -37,44 +25,23 @@ win32 {
         LIBS += -L$$PWD/../libs/windows/lib/x64
     }
 
-    LIBS += ws2_32.lib winmm.lib dxva2.lib ole32.lib gdi32.lib user32.lib d3d9.lib dwmapi.lib dbghelp.lib
+    LIBS += ws2_32.lib winmm.lib dxva2.lib ole32.lib
 }
 macx {
-    INCLUDEPATH += $$PWD/../libs/mac/include $$PWD/../libs/mac/Frameworks/SDL2.framework/Versions/A/Headers
+    INCLUDEPATH += $$PWD/../libs/mac/include
-    LIBS += -L$$PWD/../libs/mac/lib -F$$PWD/../libs/mac/Frameworks
+    LIBS += -L$$PWD/../libs/mac/lib
 }
 
 unix:!macx {
     CONFIG += link_pkgconfig
-    PKGCONFIG += openssl sdl2 opus
+    PKGCONFIG += openssl sdl2 libavcodec libavdevice libavformat libavutil
-
-    packagesExist(libavcodec) {
-        PKGCONFIG += libavcodec libavutil
-        CONFIG += ffmpeg
-
-        packagesExist(libva) {
-            packagesExist(libva-x11) {
-                CONFIG += libva-x11
-            }
-            packagesExist(libva-wayland) {
-                CONFIG += libva-wayland
-            }
-            CONFIG += libva
-        }
-
-        packagesExist(vdpau) {
-            CONFIG += libvdpau
-        }
-    }
 }
 win32 {
-    LIBS += -llibssl -llibcrypto -lSDL2 -lavcodec -lavutil -lopus
+    LIBS += -llibssl -llibcrypto -lSDL2 -lavcodec -lavdevice -lavformat -lavutil
-    CONFIG += ffmpeg
 }
 macx {
-    LIBS += -lssl -lcrypto -lavcodec.58 -lavutil.56 -lopus -framework SDL2
+    LIBS += -lssl -lcrypto -lSDL2 -lavcodec.58 -lavdevice.58 -lavformat.58 -lavutil.56
-    LIBS += -lobjc -framework VideoToolbox -framework AVFoundation -framework CoreVideo -framework CoreGraphics -framework CoreMedia -framework AppKit
+    LIBS += -lobjc -framework VideoToolbox -framework AVFoundation -framework CoreVideo -framework CoreMedia -framework AppKit
-    CONFIG += ffmpeg
 }
 
 SOURCES += \
@@ -88,11 +55,17 @@ SOURCES += \
     streaming/input.cpp \
     streaming/session.cpp \
     streaming/audio.cpp \
+    streaming/video/ffmpeg.cpp \
     gui/computermodel.cpp \
     gui/appmodel.cpp \
-    streaming/streamutils.cpp \
+    streaming/video/ffmpeg-renderers/sdl.cpp
-    backend/autoupdatechecker.cpp \
+
-    path.cpp
+win32 {
+    SOURCES += streaming/video/ffmpeg-renderers/dxva2.cpp
+}
+macx {
+    SOURCES += streaming/video/avfoundation.mm
+}
 
 HEADERS += \
     utils.h \
@@ -107,84 +80,14 @@ HEADERS += \
     gui/computermodel.h \
     gui/appmodel.h \
     streaming/video/decoder.h \
-    streaming/streamutils.h \
-    backend/autoupdatechecker.h \
-    path.h
-
-# Platform-specific renderers and decoders
-ffmpeg {
-    message(FFmpeg decoder selected)
-
-    DEFINES += HAVE_FFMPEG
-    SOURCES += \
-        streaming/video/ffmpeg.cpp \
-        streaming/video/ffmpeg-renderers/sdl.cpp \
-        streaming/video/ffmpeg-renderers/pacer/pacer.cpp \
-        streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.cpp
-
-
-    HEADERS += \
     streaming/video/ffmpeg.h \
-        streaming/video/ffmpeg-renderers/renderer.h \
+    streaming/video/ffmpeg-renderers/renderer.h
-        streaming/video/ffmpeg-renderers/pacer/pacer.h \
-        streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.h
-}
-libva {
-    message(VAAPI renderer selected)
 
-    PKGCONFIG += libva
-    DEFINES += HAVE_LIBVA
-    SOURCES += streaming/video/ffmpeg-renderers/vaapi.cpp
-    HEADERS += streaming/video/ffmpeg-renderers/vaapi.h
-}
-libva-x11 {
-    message(VAAPI X11 support enabled)
-
-    PKGCONFIG += libva-x11
-    DEFINES += HAVE_LIBVA_X11
-}
-libva-wayland {
-    message(VAAPI Wayland support enabled)
-
-    PKGCONFIG += libva-wayland
-    DEFINES += HAVE_LIBVA_WAYLAND
-}
-libvdpau {
-    message(VDPAU renderer selected)
-
-    DEFINES += HAVE_LIBVDPAU
-    SOURCES += streaming/video/ffmpeg-renderers/vdpau.cpp
-    HEADERS += streaming/video/ffmpeg-renderers/vdpau.h
-}
-config_SLVideo {
-    message(SLVideo decoder/renderer selected)
-
-    DEFINES += HAVE_SLVIDEO
-    LIBS += -lSLVideo
-    SOURCES += streaming/video/sl.cpp
-    HEADERS += streaming/video/sl.h
-}
 win32 {
-    message(DXVA2 renderer selected)
+    HEADERS += streaming/video/ffmpeg-renderers/dxva2.h
-
-    SOURCES += \
-        streaming/video/ffmpeg-renderers/dxva2.cpp \
-        streaming/video/ffmpeg-renderers/pacer/dxvsyncsource.cpp
-
-    HEADERS += \
-        streaming/video/ffmpeg-renderers/dxva2.h \
-        streaming/video/ffmpeg-renderers/pacer/dxvsyncsource.h
 }
 macx {
-    message(VideoToolbox renderer selected)
+    HEADERS += streaming/video/avfoundation.h
-
-    SOURCES += \
-        streaming/video/ffmpeg-renderers/vt.mm \
-        streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.mm
-
-    HEADERS += \
-        streaming/video/ffmpeg-renderers/vt.h \
-        streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.h
 }
 
 RESOURCES += \
@@ -204,6 +107,13 @@ else:unix: LIBS += -L$$OUT_PWD/../moonlight-common-c/ -lmoonlight-common-c
 INCLUDEPATH += $$PWD/../moonlight-common-c/moonlight-common-c/src
 DEPENDPATH += $$PWD/../moonlight-common-c/moonlight-common-c/src
 
+win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../opus/release/ -lopus
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../opus/debug/ -lopus
+else:unix: LIBS += -L$$OUT_PWD/../opus/ -lopus
+
+INCLUDEPATH += $$PWD/../opus/opus/include
+DEPENDPATH += $$PWD/../opus/opus/include
+
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../qmdnsengine/release/ -lqmdnsengine
 else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../qmdnsengine/debug/ -lqmdnsengine
 else:unix: LIBS += -L$$OUT_PWD/../qmdnsengine/ -lqmdnsengine
@@ -211,43 +121,14 @@ else:unix: LIBS += -L$$OUT_PWD/../qmdnsengine/ -lqmdnsengine
 INCLUDEPATH += $$PWD/../qmdnsengine/qmdnsengine/src/include $$PWD/../qmdnsengine
 DEPENDPATH += $$PWD/../qmdnsengine/qmdnsengine/src/include $$PWD/../qmdnsengine
 
-unix:!macx: {
+# Default rules for deployment.
-    isEmpty(PREFIX) {
+qnx: target.path = /tmp/$${TARGET}/bin
-        PREFIX = /usr/local
+else: unix:!android: target.path = /opt/$${TARGET}/bin
-    }
+!isEmpty(target.path): INSTALLS += target
-    isEmpty(BINDIR) {
-        BINDIR = bin
-    }
 
-    target.path = $$PREFIX/$$BINDIR/
-
-    desktop.files = deploy/linux/com.moonlight_stream.Moonlight.desktop
-    desktop.path = $$PREFIX/share/applications/
-
-    icons.files = res/moonlight.svg
-    icons.path = $$PREFIX/share/icons/hicolor/scalable/apps/
-
-    appdata.files = deploy/linux/com.moonlight_stream.Moonlight.appdata.xml
-    appdata.path = $$PREFIX/share/metainfo/
-
-    INSTALLS += target desktop icons appdata
-}
-win32 {
-    RC_ICONS = moonlight.ico
-    QMAKE_TARGET_COMPANY = Moonlight Game Streaming Project
-    QMAKE_TARGET_DESCRIPTION = Moonlight Game Streaming Client
-    QMAKE_TARGET_PRODUCT = Moonlight
-
-    CONFIG -= embed_manifest_exe
-    QMAKE_LFLAGS += /MANIFEST:embed /MANIFESTINPUT:$${PWD}/Moonlight.exe.manifest
-}
 macx {
     QMAKE_INFO_PLIST = $$PWD/Info.plist
-
+    APP_QML_FILES.files = res/macos.icns
-    APP_BUNDLE_RESOURCES.files = moonlight.icns
+    APP_QML_FILES.path = Contents/Resources
-    APP_BUNDLE_RESOURCES.path = Contents/Resources
+    QMAKE_BUNDLE_DATA += APP_QML_FILES
-    QMAKE_BUNDLE_DATA += APP_BUNDLE_RESOURCES
 }
-
-VERSION = 0.4.0
-DEFINES += VERSION_STR=\\\"0.4.0\\\"

app/backend/autoupdatechecker.cpp

@@ -1,142 +0,0 @@
-#include "autoupdatechecker.h"
-
-#include <QNetworkReply>
-#include <QJsonDocument>
-#include <QJsonArray>
-#include <QJsonObject>
-
-AutoUpdateChecker::AutoUpdateChecker(QObject *parent) :
-    QObject(parent),
-    m_Nam(this)
-{
-    // Never communicate over HTTP
-    m_Nam.setStrictTransportSecurityEnabled(true);
-
-    connect(&m_Nam, SIGNAL(finished(QNetworkReply*)),
-            this, SLOT(handleUpdateCheckRequestFinished(QNetworkReply*)));
-
-    QString currentVersion(VERSION_STR);
-    qDebug() << "Current Moonlight version:" << currentVersion;
-    parseStringToVersionQuad(currentVersion, m_CurrentVersionQuad);
-
-    // Should at least have a 1.0-style version number
-    Q_ASSERT(m_CurrentVersionQuad.count() > 1);
-}
-
-void AutoUpdateChecker::start()
-{
-#if defined(Q_OS_WIN32) || defined(Q_OS_DARWIN) // Only run update checker on platforms without auto-update
-    // We'll get a callback when this is finished
-    QUrl url("https://moonlight-stream.com/updates/qt.json");
-    m_Nam.get(QNetworkRequest(url));
-#endif
-}
-
-void AutoUpdateChecker::parseStringToVersionQuad(QString& string, QVector<int>& version)
-{
-    QStringList list = string.split('.');
-    for (const QString& component : list) {
-        version.append(component.toInt());
-    }
-}
-
-void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
-{
-    Q_ASSERT(reply->isFinished());
-
-    if (reply->error() == QNetworkReply::NoError) {
-        QTextStream stream(reply);
-        stream.setCodec("UTF-8");
-
-        // Read all data and queue the reply for deletion
-        QString jsonString = stream.readAll();
-        reply->deleteLater();
-
-        QJsonParseError error;
-        QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonString.toUtf8(), &error);
-        if (jsonDoc.isNull()) {
-            qWarning() << "Update manifest malformed:" << error.errorString();
-            return;
-        }
-
-        QJsonArray array = jsonDoc.array();
-        if (array.isEmpty()) {
-            qWarning() << "Update manifest doesn't contain an array";
-            return;
-        }
-
-        for (QJsonValueRef updateEntry : array) {
-            if (updateEntry.isObject()) {
-                QJsonObject updateObj = updateEntry.toObject();
-                if (!updateObj.contains("platform") ||
-                        !updateObj.contains("arch") ||
-                        !updateObj.contains("version") ||
-                        !updateObj.contains("browser_url")) {
-                    qWarning() << "Update manifest entry missing vital field";
-                    continue;
-                }
-
-                if (!updateObj["platform"].isString() ||
-                        !updateObj["arch"].isString() ||
-                        !updateObj["version"].isString() ||
-                        !updateObj["browser_url"].isString()) {
-                    qWarning() << "Update manifest entry has unexpected vital field type";
-                    continue;
-                }
-
-                if (updateObj["arch"] == QSysInfo::buildCpuArchitecture() &&
-                        updateObj["platform"] == QSysInfo::productType()) {
-                    qDebug() << "Found update manifest match for current platform";
-
-                    QString latestVersion = updateObj["version"].toString();
-                    qDebug() << "Latest version of Moonlight for this platform is:" << latestVersion;
-
-                    QVector<int> latestVersionQuad;
-
-                    parseStringToVersionQuad(latestVersion, latestVersionQuad);
-
-                    for (int i = 0;; i++) {
-                        int latestVer = 0;
-                        int currentVer = 0;
-
-                        // Treat missing decimal places as 0
-                        if (i < latestVersionQuad.count()) {
-                            latestVer = latestVersionQuad[i];
-                        }
-                        if (i < m_CurrentVersionQuad.count()) {
-                            currentVer = m_CurrentVersionQuad[i];
-                        }
-                        if (i >= latestVersionQuad.count() && i >= m_CurrentVersionQuad.count()) {
-                            break;
-                        }
-
-                        if (currentVer < latestVer) {
-                            qDebug() << "Update available";
-
-                            emit onUpdateAvailable(updateObj["browser_url"].toString());
-                            return;
-                        }
-                        else if (currentVer > latestVer) {
-                            qDebug() << "Update manifest version lower than current version";
-                            return;
-                        }
-                    }
-
-                    qDebug() << "Update manifest version equal to current version";
-
-                    return;
-                }
-            }
-            else {
-                qWarning() << "Update manifest contained unrecognized entry:" << updateEntry.toString();
-            }
-        }
-
-        qWarning() << "No entry in update manifest found for current platform: "
-                   << QSysInfo::buildCpuArchitecture() << QSysInfo::productType();
-    }
-    else {
-        qWarning() << "Update checking failed with error: " << reply->error();
-        reply->deleteLater();
-    }
-}

app/backend/autoupdatechecker.h

@@ -1,25 +0,0 @@
-#pragma once
-
-#include <QObject>
-#include <QNetworkAccessManager>
-
-class AutoUpdateChecker : public QObject
-{
-    Q_OBJECT
-public:
-    explicit AutoUpdateChecker(QObject *parent = nullptr);
-
-    Q_INVOKABLE void start();
-
-signals:
-    void onUpdateAvailable(QString url);
-
-private slots:
-    void handleUpdateCheckRequestFinished(QNetworkReply* reply);
-
-private:
-    void parseStringToVersionQuad(QString& string, QVector<int>& version);
-
-    QVector<int> m_CurrentVersionQuad;
-    QNetworkAccessManager m_Nam;
-};

app/backend/boxartmanager.cpp

@@ -1,19 +1,14 @@
 #include "boxartmanager.h"
-#include "../path.h"
 
+#include <QStandardPaths>
 #include <QImageReader>
 #include <QImageWriter>
 
 BoxArtManager::BoxArtManager(QObject *parent) :
     QObject(parent),
-    m_BoxArtDir(Path::getBoxArtCacheDir()),
+    m_BoxArtDir(
-    m_ThreadPool(this)
+        QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/boxart")
 {
-    // 4 is a good balance between fast loading for large
-    // app grids and not crushing GFE with tons of requests
-    // and causing UI jank from constantly stalling to decode
-    // new images.
-    m_ThreadPool.setMaxThreadCount(4);
     if (!m_BoxArtDir.exists()) {
         m_BoxArtDir.mkpath(".");
     }
@@ -47,7 +42,7 @@ QUrl BoxArtManager::loadBoxArt(NvComputer* computer, NvApp& app)
     // If we get here, we need to fetch asynchronously.
     // Kick off a worker on our thread pool to do just that.
     NetworkBoxArtLoadTask* netLoadTask = new NetworkBoxArtLoadTask(this, computer, app);
-    m_ThreadPool.start(netLoadTask);
+    QThreadPool::globalInstance()->start(netLoadTask);
 
     // Return the placeholder then we can notify the caller
     // later when the real image is ready.

app/backend/boxartmanager.h

@@ -36,7 +36,6 @@ private:
     getFilePathForBoxArt(NvComputer* computer, int appId);
 
     QDir m_BoxArtDir;
-    QThreadPool m_ThreadPool;
 };
 
 class NetworkBoxArtLoadTask : public QObject, public QRunnable

app/backend/computermanager.cpp

@@ -51,8 +51,6 @@ NvComputer::NvComputer(QSettings& settings)
     this->appVersion = nullptr;
     this->maxLumaPixelsHEVC = 0;
     this->serverCodecModeSupport = 0;
-    this->pendingQuit = false;
-    this->gpuModel = nullptr;
 }
 
 void
@@ -135,21 +133,19 @@ NvComputer::NvComputer(QString address, QString serverInfo)
     this->currentGameId = NvHTTP::getCurrentGame(serverInfo);
     this->appVersion = NvHTTP::getXmlString(serverInfo, "appversion");
     this->gfeVersion = NvHTTP::getXmlString(serverInfo, "GfeVersion");
-    this->gpuModel = NvHTTP::getXmlString(serverInfo, "gputype");
     this->activeAddress = address;
     this->state = NvComputer::CS_ONLINE;
-    this->pendingQuit = false;
 }
 
 bool NvComputer::wake()
 {
     if (state == NvComputer::CS_ONLINE) {
-        qWarning() << name << "is already online";
+        qWarning() << name << " is already online";
         return true;
     }
 
     if (macAddress.isNull()) {
-        qWarning() << name << "has no MAC address stored";
+        qWarning() << name << " has no MAC address stored";
         return false;
     }
 
@@ -177,11 +173,6 @@ bool NvComputer::wake()
     for (QString& addressString : addressList) {
         QHostInfo hostInfo = QHostInfo::fromName(addressString);
 
-        if (hostInfo.error() != QHostInfo::NoError) {
-            qWarning() << "Error resolving" << addressString << ":" << hostInfo.errorString();
-            continue;
-        }
-
         // Try all IP addresses that this string resolves to
         for (QHostAddress& address : hostInfo.addresses()) {
             QUdpSocket sock;
@@ -193,7 +184,7 @@ bool NvComputer::wake()
                 // Send to all ports
                 for (quint16 port : WOL_PORTS) {
                     if (sock.writeDatagram(wolPayload, address, port)) {
-                        qInfo().nospace().noquote() << "Send WoL packet to " << name << " via " << address.toString() << ":" << port;
+                        qDebug() << "Send WoL packet to " << name << " via " << address.toString() << ":" << port;
                         success = true;
                     }
                 }
@@ -273,7 +264,6 @@ bool NvComputer::update(NvComputer& that)
     ASSIGN_IF_CHANGED(gfeVersion);
     ASSIGN_IF_CHANGED(appVersion);
     ASSIGN_IF_CHANGED(maxLumaPixelsHEVC);
-    ASSIGN_IF_CHANGED(gpuModel);
     ASSIGN_IF_CHANGED_AND_NONEMPTY(appList);
     ASSIGN_IF_CHANGED_AND_NONEMPTY(displayModes);
     return changed;
@@ -296,56 +286,6 @@ ComputerManager::ComputerManager(QObject *parent)
     settings.endArray();
 }
 
-ComputerManager::~ComputerManager()
-{
-    QWriteLocker lock(&m_Lock);
-
-    // Delete machines that haven't been resolved yet
-    while (!m_PendingResolution.isEmpty()) {
-        MdnsPendingComputer* computer = m_PendingResolution.first();
-        delete computer;
-        m_PendingResolution.removeFirst();
-    }
-
-    // Delete the browser to stop discovery
-    delete m_MdnsBrowser;
-    m_MdnsBrowser = nullptr;
-
-    {
-        QMutableMapIterator<QString, QThread*> i(m_PollThreads);
-
-        // Interrupt all polling threads
-        while (i.hasNext()) {
-            i.next();
-            i.value()->requestInterruption();
-        }
-
-        // Wait for all threads to terminate before destroying
-        // the NvComputer objects.
-        i.toFront();
-        while (i.hasNext()) {
-            i.next();
-
-            QThread* thread = i.value();
-            thread->wait();
-            delete thread;
-
-            i.remove();
-        }
-    }
-
-    {
-        QMutableMapIterator<QString, NvComputer*> i(m_KnownHosts);
-
-        // Destroy all NvComputer objects
-        while (i.hasNext()) {
-            i.next();
-            delete i.value();
-            i.remove();
-        }
-    }
-}
-
 void ComputerManager::saveHosts()
 {
     QSettings settings;
@@ -372,7 +312,7 @@ void ComputerManager::startPolling()
     m_MdnsBrowser = new QMdnsEngine::Browser(&m_MdnsServer, "_nvstream._tcp.local.", &m_MdnsCache);
     connect(m_MdnsBrowser, &QMdnsEngine::Browser::serviceAdded,
             this, [this](const QMdnsEngine::Service& service) {
-        qInfo() << "Discovered mDNS host:" << service.hostname();
+        qDebug() << "Discovered mDNS host: " << service.hostname();
 
         MdnsPendingComputer* pendingComputer = new MdnsPendingComputer(&m_MdnsServer, &m_MdnsCache, service);
         connect(pendingComputer, SIGNAL(resolvedv4(MdnsPendingComputer*,QHostAddress)),
@@ -391,7 +331,7 @@ void ComputerManager::startPolling()
 void ComputerManager::handleMdnsServiceResolved(MdnsPendingComputer* computer,
                                                 const QHostAddress& address)
 {
-    qInfo() << "Resolved" << computer->hostname() << "to" << address.toString();
+    qDebug() << "Resolved " << computer->hostname() << " to " << address.toString();
 
     addNewHost(address.toString(), true);
 
@@ -456,15 +396,6 @@ void ComputerManager::pairHost(NvComputer* computer, QString pin)
     QThreadPool::globalInstance()->start(pairing);
 }
 
-void ComputerManager::quitRunningApp(NvComputer* computer)
-{
-    QWriteLocker lock(&computer->lock);
-    computer->pendingQuit = true;
-
-    PendingQuitTask* quit = new PendingQuitTask(this, computer);
-    QThreadPool::globalInstance()->start(quit);
-}
-
 void ComputerManager::stopPollingAsync()
 {
     QWriteLocker lock(&m_Lock);
@@ -516,11 +447,6 @@ ComputerManager::handleComputerStateChanged(NvComputer* computer)
 {
     emit computerStateChanged(computer);
 
-    if (computer->pendingQuit && computer->currentGameId == 0) {
-        computer->pendingQuit = false;
-        emit quitAppCompleted(QVariant());
-    }
-
     // Save updated hosts to QSettings
     saveHosts();
 }

app/backend/computermanager.h

@@ -16,14 +16,10 @@
 class NvComputer
 {
     friend class PcMonitorThread;
-    friend class ComputerManager;
-    friend class PendingQuitTask;
 
 private:
     void sortAppList();
 
-    bool pendingQuit;
-
 public:
     explicit NvComputer(QString address, QString serverInfo);
 
@@ -65,7 +61,6 @@ public:
     QVector<NvDisplayMode> displayModes;
     int maxLumaPixelsHEVC;
     int serverCodecModeSupport;
-    QString gpuModel;
 
     // Persisted traits
     QString localAddress;
@@ -103,7 +98,7 @@ private:
 
         QString serverInfo;
         try {
-            serverInfo = http.getServerInfo(NvHTTP::NvLogLevel::NONE);
+            serverInfo = http.getServerInfo();
         } catch (...) {
             return false;
         }
@@ -153,32 +148,32 @@ private:
         int pollsSinceLastAppListFetch = POLLS_PER_APPLIST_FETCH;
         while (!isInterruptionRequested()) {
             bool stateChanged = false;
-            bool online = false;
+            for (int i = 0; i < TRIES_BEFORE_OFFLINING; i++) {
-            bool wasOnline = m_Computer->state == NvComputer::CS_ONLINE;
-            for (int i = 0; i < TRIES_BEFORE_OFFLINING && !online; i++) {
                 for (auto& address : m_Computer->uniqueAddresses()) {
                     if (isInterruptionRequested()) {
                         return;
                     }
 
                     if (tryPollComputer(address, stateChanged)) {
-                        if (!wasOnline) {
-                            qInfo() << m_Computer->name << "is now online at" << m_Computer->activeAddress;
-                        }
-                        online = true;
                         break;
                     }
                 }
+
+                // No need to continue retrying if we're online
+                if (m_Computer->state == NvComputer::CS_ONLINE) {
+                    break;
+                }
             }
 
             // Check if we failed after all retry attempts
             // Note: we don't need to acquire the read lock here,
             // because we're on the writing thread.
-            if (!online && m_Computer->state != NvComputer::CS_OFFLINE) {
+            if (m_Computer->state != NvComputer::CS_ONLINE) {
-                qInfo() << m_Computer->name << "is now offline";
+                if (m_Computer->state != NvComputer::CS_OFFLINE) {
                     m_Computer->state = NvComputer::CS_OFFLINE;
                     stateChanged = true;
                 }
+            }
 
             // Grab the applist if it's empty or it's been long enough that we need to refresh
             pollsSinceLastAppListFetch++;
@@ -254,8 +249,6 @@ class ComputerManager : public QObject
 public:
     explicit ComputerManager(QObject *parent = nullptr);
 
-    virtual ~ComputerManager();
-
     Q_INVOKABLE void startPolling();
 
     Q_INVOKABLE void stopPollingAsync();
@@ -264,8 +257,6 @@ public:
 
     void pairHost(NvComputer* computer, QString pin);
 
-    void quitRunningApp(NvComputer* computer);
-
     QVector<NvComputer*> getComputers();
 
     // computer is deleted inside this call
@@ -278,8 +269,6 @@ signals:
 
     void computerAddCompleted(QVariant success);
 
-    void quitAppCompleted(QVariant error);
-
 private slots:
     void handleComputerStateChanged(NvComputer* computer);
 
@@ -347,49 +336,6 @@ private:
     QString m_Pin;
 };
 
-class PendingQuitTask : public QObject, public QRunnable
-{
-    Q_OBJECT
-
-public:
-    PendingQuitTask(ComputerManager* computerManager, NvComputer* computer)
-        : m_Computer(computer)
-    {
-        connect(this, &PendingQuitTask::quitAppFailed,
-                computerManager, &ComputerManager::quitAppCompleted);
-    }
-
-signals:
-    void quitAppFailed(QString error);
-
-private:
-    void run()
-    {
-        NvHTTP http(m_Computer->activeAddress);
-
-        try {
-            if (m_Computer->currentGameId != 0) {
-                http.quitApp();
-            }
-        } catch (const GfeHttpResponseException& e) {
-            {
-                QWriteLocker lock(&m_Computer->lock);
-                m_Computer->pendingQuit = false;
-            }
-            if (e.getStatusCode() == 599) {
-                // 599 is a special code we make a custom message for
-                emit quitAppFailed("The running game wasn't started by this PC. "
-                                   "You must quit the game on the host PC manually or use the device that originally started the game.");
-            }
-            else {
-                emit quitAppFailed(e.toQString());
-            }
-        }
-    }
-
-    NvComputer* m_Computer;
-};
-
 class PendingAddTask : public QObject, public QRunnable
 {
     Q_OBJECT
@@ -416,11 +362,9 @@ private:
     {
         NvHTTP http(m_Address);
 
-        qInfo() << "Processing new PC at" << m_Address << "from" << (m_Mdns ? "mDNS" : "user");
-
         QString serverInfo;
         try {
-            serverInfo = http.getServerInfo(NvHTTP::NvLogLevel::VERBOSE);
+            serverInfo = http.getServerInfo();
         } catch (...) {
             if (!m_Mdns) {
                 emit computerAddCompleted(false);
@@ -456,7 +400,6 @@ private:
 
             // Tell our client if something changed
             if (changed) {
-                qInfo() << existingComputer->name << "is now at" << existingComputer->activeAddress;
                 emit computerStateChanged(existingComputer);
             }
         }

app/backend/identitymanager.cpp

@@ -2,12 +2,12 @@
 #include "utils.h"
 
 #include <QDebug>
+#include <QRandomGenerator64>
 
 #include <openssl/pem.h>
 #include <openssl/rsa.h>
 #include <openssl/bn.h>
 #include <openssl/x509.h>
-#include <openssl/rand.h>
 
 #define SER_UNIQUEID "uniqueid"
 #define SER_CERT "certificate"
@@ -101,7 +101,7 @@ void IdentityManager::createCredentials(QSettings& settings)
     settings.setValue(SER_CERT, m_CachedPemCert);
     settings.setValue(SER_KEY, m_CachedPrivateKey);
 
-    qInfo() << "Wrote new identity credentials to settings";
+    qDebug() << "Wrote new identity credentials to settings";
 }
 
 IdentityManager::IdentityManager()
@@ -112,7 +112,7 @@ IdentityManager::IdentityManager()
     m_CachedPrivateKey = settings.value(SER_KEY).toByteArray();
 
     if (m_CachedPemCert.isEmpty() || m_CachedPrivateKey.isEmpty()) {
-        qInfo() << "No existing credentials found";
+        qDebug() << "No existing credentials found";
         createCredentials(settings);
     }
     else if (getSslCertificate().isNull()) {
@@ -157,14 +157,10 @@ IdentityManager::getSslKey()
 
         // We must write out our PEM in the old PKCS1 format for SecureTransport
         // on macOS/iOS to be able to read it.
-#ifdef Q_OS_DARWIN
-        PEM_write_bio_PrivateKey_traditional(bio, pk, nullptr, nullptr, 0, nullptr, 0);
-#else
-        PEM_write_bio_PrivateKey(bio, pk, nullptr, nullptr, 0, nullptr, 0);
-#endif
-
         BUF_MEM* mem;
         BIO_get_mem_ptr(bio, &mem);
+        PEM_write_bio_PrivateKey_traditional(bio, pk, nullptr, nullptr, 0, nullptr, 0);
+
         m_CachedSslKey = QSslKey(QByteArray::fromRawData(mem->data, (int)mem->length), QSsl::Rsa);
 
         BIO_free(bio);
@@ -191,15 +187,14 @@ IdentityManager::getUniqueId()
         // Load the unique ID from settings
         m_CachedUniqueId = settings.value(SER_UNIQUEID).toString();
         if (!m_CachedUniqueId.isEmpty() && !m_CachedUniqueId.isNull()) {
-            qInfo() << "Loaded unique ID from settings:" << m_CachedUniqueId;
+            qDebug() << "Loaded unique ID from settings: " << m_CachedUniqueId;
         }
         else {
             // Generate a new unique ID in base 16
-            uint64_t uid;
+            m_CachedUniqueId = QString::number(
-            RAND_bytes(reinterpret_cast<unsigned char*>(&uid), sizeof(uid));
+                        QRandomGenerator64::securelySeeded().generate64(), 16);
-            m_CachedUniqueId = QString::number(uid, 16);
 
-            qInfo() << "Generated new unique ID:" << m_CachedUniqueId;
+            qDebug() << "Generated new unique ID: " << m_CachedUniqueId;
 
             settings.setValue(SER_UNIQUEID, m_CachedUniqueId);
         }

app/backend/nvhttp.cpp

@@ -16,8 +16,6 @@
 NvHTTP::NvHTTP(QString address) :
     m_Address(address)
 {
-    Q_ASSERT(!address.isEmpty());
-
     m_BaseUrlHttp.setScheme("http");
     m_BaseUrlHttps.setScheme("https");
     m_BaseUrlHttp.setHost(address);
@@ -58,7 +56,7 @@ NvHTTP::getCurrentGame(QString serverInfo)
 }
 
 QString
-NvHTTP::getServerInfo(NvLogLevel logLevel)
+NvHTTP::getServerInfo()
 {
     QString serverInfo;
 
@@ -69,8 +67,7 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
         serverInfo = openConnectionToString(m_BaseUrlHttps,
                                             "serverinfo",
                                             nullptr,
-                                            true,
+                                            true);
-                                            logLevel);
         // Throws if the request failed
         verifyResponseStatus(serverInfo);
     }
@@ -82,8 +79,7 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
             serverInfo = openConnectionToString(m_BaseUrlHttp,
                                                 "serverinfo",
                                                 nullptr,
-                                                true,
+                                                true);
-                                                logLevel);
             verifyResponseStatus(serverInfo);
         }
         else
@@ -127,11 +123,6 @@ NvHTTP::launchApp(int appId,
                   bool localAudio,
                   int gamepadMask)
 {
-    int riKeyId;
-
-    memcpy(&riKeyId, streamConfig->remoteInputAesIv, sizeof(riKeyId));
-    riKeyId = qFromBigEndian(riKeyId);
-
     QString response =
             openConnectionToString(m_BaseUrlHttps,
                                    "launch",
@@ -141,7 +132,7 @@ NvHTTP::launchApp(int appId,
                                    QString::number(streamConfig->fps)+
                                    "&additionalStates=1&sops="+QString::number(sops ? 1 : 0)+
                                    "&rikey="+QByteArray(streamConfig->remoteInputAesKey, sizeof(streamConfig->remoteInputAesKey)).toHex()+
-                                   "&rikeyid="+QString::number(riKeyId)+
+                                   "&rikeyid="+QString::number(qFromBigEndian(*(int*)streamConfig->remoteInputAesIv))+
                                    (streamConfig->enableHdr ?
                                        "&hdrMode=1&clientHdrCapVersion=0&clientHdrCapSupportedFlagsInUint32=0&clientHdrCapMetaDataId=NV_STATIC_METADATA_TYPE_1&clientHdrCapDisplayData=0x0x0x0x0x0x0x0x0x0x0" :
                                         "")+
@@ -158,16 +149,11 @@ NvHTTP::launchApp(int appId,
 void
 NvHTTP::resumeApp(PSTREAM_CONFIGURATION streamConfig)
 {
-    int riKeyId;
-
-    memcpy(&riKeyId, streamConfig->remoteInputAesIv, sizeof(riKeyId));
-    riKeyId = qFromBigEndian(riKeyId);
-
     QString response =
             openConnectionToString(m_BaseUrlHttps,
                                    "resume",
                                    "rikey="+QString(QByteArray(streamConfig->remoteInputAesKey, sizeof(streamConfig->remoteInputAesKey)).toHex())+
-                                   "&rikeyid="+QString::number(riKeyId)+
+                                   "&rikeyid="+QString::number(qFromBigEndian(*(int*)streamConfig->remoteInputAesIv))+
                                    "&surroundAudioInfo="+getSurroundAudioInfoString(streamConfig->audioConfiguration),
                                    false);
 
@@ -189,7 +175,7 @@ NvHTTP::quitApp()
 
     // Newer GFE versions will just return success even if quitting fails
     // if we're not the original requestor.
-    if (getCurrentGame(getServerInfo(NvHTTP::ERROR)) != 0) {
+    if (getCurrentGame(getServerInfo()) != 0) {
         // Generate a synthetic GfeResponseException letting the caller know
         // that they can't kill someone else's stream.
         throw GfeHttpResponseException(599, "");
@@ -229,8 +215,7 @@ NvHTTP::getAppList()
     QString appxml = openConnectionToString(m_BaseUrlHttps,
                                             "applist",
                                             nullptr,
-                                            true,
+                                            true);
-                                            NvLogLevel::ERROR);
     verifyResponseStatus(appxml);
 
     QXmlStreamReader xmlReader(appxml);
@@ -280,10 +265,7 @@ NvHTTP::verifyResponseStatus(QString xml)
             else
             {
                 QString statusMessage = xmlReader.attributes().value("status_message").toString();
-                if (statusCode != 401) {
+                qDebug() << "Request failed: " << statusCode << " " << statusMessage;
-                    // 401 is expected for unpaired PCs when we fetch serverinfo over HTTPS
-                    qWarning() << "Request failed:" << statusCode << statusMessage;
-                }
                 throw GfeHttpResponseException(statusCode, statusMessage);
             }
         }
@@ -297,8 +279,7 @@ NvHTTP::getBoxArt(int appId)
                                           "appasset",
                                           "appid="+QString::number(appId)+
                                           "&AssetType=2&AssetIdx=0",
-                                          true,
+                                          true);
-                                          NvLogLevel::VERBOSE);
     QImage image = QImageReader(reply).read();
     delete reply;
 
@@ -344,15 +325,12 @@ QString
 NvHTTP::openConnectionToString(QUrl baseUrl,
                                QString command,
                                QString arguments,
-                               bool enableTimeout,
+                               bool enableTimeout)
-                               NvLogLevel logLevel)
 {
-    QNetworkReply* reply = openConnection(baseUrl, command, arguments, enableTimeout, logLevel);
+    QNetworkReply* reply = openConnection(baseUrl, command, arguments, enableTimeout);
     QString ret;
 
-    QTextStream stream(reply);
+    ret = QTextStream(reply).readAll();
-    stream.setCodec("UTF-8");
-    ret = stream.readAll();
     delete reply;
 
     return ret;
@@ -362,8 +340,7 @@ QNetworkReply*
 NvHTTP::openConnection(QUrl baseUrl,
                        QString command,
                        QString arguments,
-                       bool enableTimeout,
+                       bool enableTimeout)
-                       NvLogLevel logLevel)
 {
     // Build a URL for the request
     QUrl url(baseUrl);
@@ -389,17 +366,13 @@ NvHTTP::openConnection(QUrl baseUrl,
     {
         QTimer::singleShot(REQUEST_TIMEOUT_MS, &loop, SLOT(quit()));
     }
-    if (logLevel >= NvLogLevel::VERBOSE) {
+    qDebug() << "Executing request: " << url.toString();
-        qInfo() << "Executing request:" << url.toString();
-    }
     loop.exec(QEventLoop::ExcludeUserInputEvents);
 
     // Abort the request if it timed out
     if (!reply->isFinished())
     {
-        if (logLevel >= NvLogLevel::ERROR) {
+        qDebug() << "Aborting timed out request for " << url.toString();
-            qWarning() << "Aborting timed out request for" << url.toString();
-        }
         reply->abort();
     }
 
@@ -410,9 +383,7 @@ NvHTTP::openConnection(QUrl baseUrl,
     // Handle error
     if (reply->error() != QNetworkReply::NoError)
     {
-        if (logLevel >= NvLogLevel::ERROR) {
+        qDebug() << command << " request failed with error " << reply->error();
-            qWarning() << command << " request failed with error " << reply->error();
-        }
         GfeHttpResponseException exception(reply->error(), reply->errorString());
         delete reply;
         throw exception;

app/backend/nvhttp.h

@@ -80,12 +80,6 @@ private:
 class NvHTTP
 {
 public:
-    enum NvLogLevel {
-        NONE,
-        ERROR,
-        VERBOSE
-    };
-
     explicit NvHTTP(QString address);
 
     static
@@ -93,7 +87,7 @@ public:
     getCurrentGame(QString serverInfo);
 
     QString
-    getServerInfo(NvLogLevel logLevel);
+    getServerInfo();
 
     static
     void
@@ -113,8 +107,7 @@ public:
     openConnectionToString(QUrl baseUrl,
                            QString command,
                            QString arguments,
-                           bool enableTimeout,
+                           bool enableTimeout);
-                           NvLogLevel logLevel = NvLogLevel::VERBOSE);
 
     static
     QVector<int>
@@ -150,8 +143,7 @@ private:
     openConnection(QUrl baseUrl,
                    QString command,
                    QString arguments,
-                   bool enableTimeout,
+                   bool enableTimeout);
-                   NvLogLevel logLevel);
 
     QString m_Address;
     QNetworkAccessManager m_Nam;

app/backend/nvpairingmanager.cpp

@@ -1,6 +1,8 @@
 #include "nvpairingmanager.h"
 #include "utils.h"
 
+#include <QRandomGenerator>
+
 #include <openssl/bio.h>
 #include <openssl/aes.h>
 #include <openssl/rand.h>
@@ -19,7 +21,7 @@ NvPairingManager::NvPairingManager(QString address) :
     BIO_free_all(bio);
     if (m_Cert == nullptr)
     {
-        throw std::runtime_error("Unable to load certificate");
+        throw new std::runtime_error("Unable to load certificate");
     }
 
     QByteArray pk = IdentityManager::get()->getPrivateKey();
@@ -30,7 +32,7 @@ NvPairingManager::NvPairingManager(QString address) :
     BIO_free_all(bio);
     if (m_PrivateKey == nullptr)
     {
-        throw std::runtime_error("Unable to load private key");
+        throw new std::runtime_error("Unable to load private key");
     }
 }
 
@@ -87,16 +89,14 @@ NvPairingManager::getSignatureFromPemCert(QByteArray certificate)
     X509* cert = PEM_read_bio_X509(bio, nullptr, nullptr, nullptr);
     BIO_free_all(bio);
 
-#if (OPENSSL_VERSION_NUMBER < 0x10002000L)
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
-    ASN1_BIT_STRING *asnSignature = cert->signature;
-#elif (OPENSSL_VERSION_NUMBER < 0x10100000L)
    ASN1_BIT_STRING *asnSignature;
-    X509_get0_signature(&asnSignature, NULL, cert);
 #else
    const ASN1_BIT_STRING *asnSignature;
-    X509_get0_signature(&asnSignature, NULL, cert);
 #endif
 
+    X509_get0_signature(&asnSignature, NULL, cert);
+
     QByteArray signature(reinterpret_cast<char*>(asnSignature->data), asnSignature->length);
 
     X509_free(cert);
@@ -164,7 +164,7 @@ NvPairingManager::PairState
 NvPairingManager::pair(QString appVersion, QString pin)
 {
     int serverMajorVersion = NvHTTP::parseQuad(appVersion).at(0);
-    qInfo() << "Pairing with server generation:" << serverMajorVersion;
+    qDebug() << "Pairing with server generation: " << serverMajorVersion;
 
     QCryptographicHash::Algorithm hashAlgo;
     int hashLength;
@@ -196,14 +196,14 @@ NvPairingManager::pair(QString appVersion, QString pin)
     NvHTTP::verifyResponseStatus(getCert);
     if (NvHTTP::getXmlString(getCert, "paired") != "1")
     {
-        qCritical() << "Failed pairing at stage #1";
+        qDebug() << "Failed pairing at stage #1";
         return PairState::FAILED;
     }
 
     QByteArray serverCert = NvHTTP::getXmlStringFromHex(getCert, "plaincert");
     if (serverCert == nullptr)
     {
-        qCritical() << "Server likely already pairing";
+        qDebug() << "Server likely already pairing";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::ALREADY_IN_PROGRESS;
     }
@@ -218,7 +218,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
     NvHTTP::verifyResponseStatus(challengeXml);
     if (NvHTTP::getXmlString(challengeXml, "paired") != "1")
     {
-        qCritical() << "Failed pairing at stage #2";
+        qDebug() << "Failed pairing at stage #2";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::FAILED;
     }
@@ -228,15 +228,13 @@ NvPairingManager::pair(QString appVersion, QString pin)
     QByteArray challengeResponse;
     QByteArray serverResponse(challengeResponseData.data(), hashLength);
 
-#if (OPENSSL_VERSION_NUMBER < 0x10002000L)
+ #if (OPENSSL_VERSION_NUMBER < 0x10100000L)
-    ASN1_BIT_STRING *asnSignature = m_Cert->signature;
-#elif (OPENSSL_VERSION_NUMBER < 0x10100000L)
     ASN1_BIT_STRING *asnSignature;
-    X509_get0_signature(&asnSignature, NULL, m_Cert);
+ #else
-#else
     const ASN1_BIT_STRING *asnSignature;
+ #endif
+
     X509_get0_signature(&asnSignature, NULL, m_Cert);
-#endif
 
     challengeResponse.append(challengeResponseData.data() + hashLength, 16);
     challengeResponse.append(reinterpret_cast<char*>(asnSignature->data), asnSignature->length);
@@ -251,7 +249,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
     NvHTTP::verifyResponseStatus(respXml);
     if (NvHTTP::getXmlString(respXml, "paired") != "1")
     {
-        qCritical() << "Failed pairing at stage #3";
+        qDebug() << "Failed pairing at stage #3";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::FAILED;
     }
@@ -264,7 +262,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
                          serverSignature,
                          serverCert))
     {
-        qCritical() << "MITM detected";
+        qDebug() << "MITM detected";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::FAILED;
     }
@@ -275,7 +273,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
     expectedResponseData.append(serverSecret);
     if (QCryptographicHash::hash(expectedResponseData, hashAlgo) != serverResponse)
     {
-        qCritical() << "Incorrect PIN";
+        qDebug() << "Incorrect PIN";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::PIN_WRONG;
     }
@@ -292,7 +290,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
     NvHTTP::verifyResponseStatus(secretRespXml);
     if (NvHTTP::getXmlString(secretRespXml, "paired") != "1")
     {
-        qCritical() << "Failed pairing at stage #4";
+        qDebug() << "Failed pairing at stage #4";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::FAILED;
     }
@@ -304,7 +302,7 @@ NvPairingManager::pair(QString appVersion, QString pin)
     NvHTTP::verifyResponseStatus(pairChallengeXml);
     if (NvHTTP::getXmlString(pairChallengeXml, "paired") != "1")
     {
-        qCritical() << "Failed pairing at stage #5";
+        qDebug() << "Failed pairing at stage #5";
         m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, true);
         return PairState::FAILED;
     }

app/deploy/linux/com.moonlight_stream.Moonlight.appdata.xml

@@ -1,130 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<component type="desktop">
-	<id>com.moonlight_stream.Moonlight</id>
-	<metadata_license>CC0-1.0</metadata_license>
-	<project_license>GPL-3.0+</project_license>
-	<name>Moonlight</name>
-	<summary>Stream games from your NVIDIA GameStream-enabled PC</summary>
-
-	<description>
-		<p>Moonlight can stream games and other applications from a PC with an NVIDIA GeForce GTX 600-series or higher GPU and GeForce Experience installed.</p>
-		<p>Features include:</p>
-		<ul>
-			<li>Streaming at up to 4K resolution</li>
-			<li>Support for up to 120 FPS streaming on high refresh rate monitors</li>
-			<li>Hardware accelerated video decoding with VAAPI and VDPAU support</li>
-			<li>5.1 surround sound audio support</li>
-			<li>HEVC support for better video compression efficiency</li>
-			<li>Gamepad support with SDL mapping compatibility</li>
-		</ul>
-	</description>
-
-	<url type="homepage">https://moonlight-stream.com</url>
-	<url type="bugtracker">https://github.com/moonlight-stream/moonlight-qt/issues</url>
-	<url type="help">https://github.com/moonlight-stream/moonlight-docs/wiki/Setup-Guide</url>
-
-	<screenshots>
-		<screenshot type="default">
-			<image>https://moonlight-stream.com/appstream_resources/moonlight_screenshot_1.png</image>
-		</screenshot>
-		<screenshot>
-			<image>https://moonlight-stream.com/appstream_resources/moonlight_screenshot_2.png</image>
-		</screenshot>
-	</screenshots>
-
-	<releases>
-		<release version="0.4.0" date="2018-09-08">
-			<description>
-				<p>New features:</p>
-				<ul>
-					<li>Added option to enable (unsupported) 90/120 FPS streaming on 60 Hz monitors</li>
-					<li>Added refresh rate matching for better frame pacing on high refresh rate monitors</li>
-					<li>The streaming window now appears on the same monitor the UI was displayed on</li>
-					<li>The streaming window is now centered on the target monitor</li>
-					<li>Display a dialog when the connection is terminated by the remote PC</li>
-					<li>Added option to select between full-screen exclusive and borderless windowed mode</li>
-				</ul>
-				<p>Bugfixes:</p>
-				<ul>
-					<li>Fixed streaming with no audio device</li>
-					<li>Fixed mouse lag with some high polling rate mice</li>
-					<li>Improved UI performance on the app grid page</li>
-					<li>1440p and 4K 120 FPS performance is improved to avoid encoder bottlenecks</li>
-					<li>Autodetect audio configuration option removed because it was broken</li>
-				</ul>
-			</description>
-		</release>
-		<release version="0.3.0" date="2018-08-21">
-			<description>
-				<p>Bugfixes:</p>
-				<ul>
-					<li>Reduced power consumption when the app is minimized</li>
-					<li>Fixed malformed asset requests being sent when the first host in the grid is offline</li>
-				</ul>
-			</description>
-		</release>
-		<release version="0.2.0" date="2018-08-12">
-			<description>
-				<p>Bugfixes:</p>
-				<ul>
-					<li>Fixed functionality of '=', 'Numpad Dot', and 'Numpad Enter' keys</li>
-					<li>Fixed uninitialized variable causing strange gamepad behavior</li>
-					<li>Added a warning for incompatible configs and decoder failures</li>
-					<li>Added a warning for Wayland performance issues</li>
-					<li>Stopped capturing the mouse by default for windowed streams</li>
-				</ul>
-			</description>
-		</release>
-		<release version="0.1.0" date="2018-08-05">
-			<description>
-				<p>New features:</p>
-				<ul>
-					<li>Allow streaming at the client's native resolution</li>
-					<li>VDPAU hardware decoding support for NVIDIA GPUs</li>
-					<li>Updated UI to replace status text with icons</li>
-					<li>Stream window is now resizable</li>
-					<li>Display warnings during game launch for configuration issues</li>
-				</ul>
-				<p>Bugfixes:</p>
-				<ul>
-					<li>Gamepad input now works even if the app doesn't have focus</li>
-					<li>Fixed streaming black screen if the host supported HEVC but the client didn't</li>
-					<li>Fixed broken video scaling causing extra stretching and off-center video</li>
-					<li>Fixed gamepad input issue causing some Y axis inputs to be reversed</li>
-				</ul>
-			</description>
-		</release>
-		<release version="0.0.5" date="2018-08-01">
-			<description>
-				<p>Changes from 0.0.4:</p>
-				<ul>
-					<li>Fixed a bug causing increased frame drops and input lag</li>
-					<li>Added support for quitting running games</li>
-					<li>Added support for waking sleeping PCs with Wake-on-LAN</li>
-					<li>Increased the FPS limit to 120 FPS</li>
-				</ul>
-			</description>
-		</release>
-		<release version="0.0.4a" date="2018-07-30">
-			<description>
-				<p>Initial pre-alpha release for Linux. Please file bugs!</p>
-			</description>
-		</release>
-	</releases>
-
-	<categories>
-		<category>Game</category>
-		<category>Qt</category>
-	</categories>
-
-	<developer_name>Moonlight Game Streaming Team</developer_name>
-	<update_contact>cameron@moonlight-stream.com</update_contact>
-
-	<launchable type="desktop-id">com.moonlight_stream.Moonlight.desktop</launchable>
-
-	<provides>
-		<binary>moonlight</binary>
-	</provides>
-
-	<content_rating type="oars-1.0" />
-</component>

app/deploy/linux/com.moonlight_stream.Moonlight.desktop

@@ -1,9 +0,0 @@
-[Desktop Entry]
-Name=Moonlight
-Comment=Stream games from your NVIDIA GameStream-enabled PC
-Exec=moonlight
-Icon=moonlight
-Terminal=false
-Type=Application
-Categories=Qt;Game;
-Keywords=nvidia;gamestream;stream;

app/gui/AppView.qml

@@ -1,5 +1,4 @@
 import QtQuick 2.9
-import QtQuick.Dialogs 1.2
 import QtQuick.Controls 2.2
 
 import AppModel 1.0
@@ -13,28 +12,29 @@ GridView {
     id: appGrid
     anchors.fill: parent
     anchors.leftMargin: (parent.width % (cellWidth + anchors.rightMargin)) / 2
-    anchors.topMargin: 20
+    anchors.topMargin: 5
     anchors.rightMargin: 5
     anchors.bottomMargin: 5
-    cellWidth: 225; cellHeight: 385;
+    cellWidth: 225; cellHeight: 350;
+    focus: true
+
+    // Cache delegates for 1000px in both directions to improve
+    // scrolling and resizing performance
+    cacheBuffer: 1000
 
     // The StackView will trigger a visibility change when
     // we're pushed onto it, causing our onVisibleChanged
     // routine to run, but only if we start as invisible
     visible: false
 
-    function computerLost()
-    {
-        // Go back to the PC view on PC loss
-        stackView.pop()
-    }
-
     onVisibleChanged: {
         if (visible) {
-            appModel.computerLost.connect(computerLost)
+            // Start polling when this view is shown
+            ComputerManager.startPolling()
         }
         else {
-            appModel.computerLost.disconnect(computerLost)
+            // Stop polling when this view is not on top
+            ComputerManager.stopPollingAsync()
         }
     }
 
@@ -47,13 +47,18 @@ GridView {
 
     model: appModel
 
-    delegate: ItemDelegate {
+    delegate: Item {
-        width: 200; height: 335;
+        width: 200; height: 300;
+
+        Component.onCompleted: {
+            if (model.running) {
+                appNameText.text = "<font color=\"green\">Running</font><font color=\"white\"> - </font>" + appNameText.text
+            }
+        }
 
         Image {
             id: appIcon
             anchors.horizontalCenter: parent.horizontalCenter;
-            y: 20
             source: model.boxart
             sourceSize {
                 width: 150
@@ -61,107 +66,30 @@ GridView {
             }
         }
 
-        Image {
-            id: runningIcon
-            anchors.centerIn: appIcon
-            visible: model.running
-            source: "qrc:/res/baseline-play_circle_filled_white-48px.svg"
-            sourceSize {
-                width: 75
-                height: 75
-            }
-        }
-
         Text {
             id: appNameText
             text: model.name
             color: "white"
+
             width: parent.width
-            height: 125
+            height: 100
             anchors.top: appIcon.bottom
-            font.pointSize: 22
+            font.pointSize: 26
             horizontalAlignment: Text.AlignHCenter
             wrapMode: Text.Wrap
-            elide: Text.ElideRight
-        }
-
-        function launchOrResumeSelectedApp()
-        {
-            var runningIndex = appModel.getRunningAppIndex()
-            if (runningIndex >= 0 && runningIndex !== index) {
-                quitAppDialog.appName = appModel.getRunningAppName()
-                quitAppDialog.segueToStream = true
-                quitAppDialog.open()
-                return
-            }
-
-            var component = Qt.createComponent("StreamSegue.qml")
-            var segue = component.createObject(stackView, {"appName": model.name, "session": appModel.createSessionForApp(index)})
-            stackView.push(segue)
-        }
-
-        onClicked: {
-            // Nothing is running or this app is running
-            launchOrResumeSelectedApp()
         }
 
         MouseArea {
             anchors.fill: parent
-            acceptedButtons: Qt.RightButton
             onClicked: {
-                // Right click
+                // TODO: Check if a different game is running
-                appContextMenu.open()
-            }
-        }
 
-        Menu {
+                var component = Qt.createComponent("StreamSegue.qml")
-            id: appContextMenu
+                var segue = component.createObject(stackView)
-            MenuItem {
+                segue.appname = model.name
-                text: model.running ? "Resume Game" : "Launch Game"
+                segue.session = appModel.createSessionForApp(index)
-                onTriggered: {
+                stackView.push(segue)
-                    appContextMenu.close()
-                    launchOrResumeSelectedApp()
             }
-                height: visible ? implicitHeight : 0
-            }
-            MenuItem {
-                text: "Quit Game"
-                onTriggered: {
-                    quitAppDialog.appName = appModel.getRunningAppName()
-                    quitAppDialog.segueToStream = false
-                    quitAppDialog.open()
-                }
-                visible: model.running
-                height: visible ? implicitHeight : 0
-            }
-        }
-    }
-
-    MessageDialog {
-        id: quitAppDialog
-        modality:Qt.WindowModal
-        property string appName : "";
-        property bool segueToStream : false
-        text:"Are you sure you want to quit " + appName +"? Any unsaved progress will be lost."
-        standardButtons: StandardButton.Yes | StandardButton.No
-        onYes: {
-            var component = Qt.createComponent("QuitSegue.qml")
-            var params = {"appName": appName}
-            if (segueToStream) {
-                // Store the session and app name if we're going to stream after
-                // successfully quitting the old app.
-                params.nextAppName = model.name
-                params.nextSession = appModel.createSessionForApp(index)
-            }
-            else {
-                params.nextAppName = null
-                params.nextSession = null
-            }
-
-            stackView.push(component.createObject(stackView, params))
-
-            // Trigger the quit after pushing the quit segue on screen
-            appModel.quitRunningApp()
         }
     }
 

app/gui/PcView.qml

@@ -1,13 +1,11 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 1.3
 import QtQuick.Layouts 1.3
-import QtQuick.Window 2.2
 
 import ComputerModel 1.0
 
 import ComputerManager 1.0
-import StreamingPreferences 1.0
 
 GridView {
     property ComputerModel computerModel : createModel()
@@ -15,10 +13,11 @@ GridView {
     id: pcGrid
     anchors.fill: parent
     anchors.leftMargin: (parent.width % (cellWidth + anchors.rightMargin)) / 2
-    anchors.topMargin: 20
+    anchors.topMargin: 5
     anchors.rightMargin: 5
     anchors.bottomMargin: 5
     cellWidth: 350; cellHeight: 350;
+    focus: true
     objectName: "Computers"
 
     // The StackView will trigger a visibility change when
@@ -26,19 +25,19 @@ GridView {
     // routine to run, but only if we start as invisible
     visible: false
 
-    StreamingPreferences {
-        id: prefs
-    }
-
     Component.onCompleted: {
         // Setup signals on CM
         ComputerManager.computerAddCompleted.connect(addComplete)
-
-        if (prefs.isRunningWayland()) {
-            waylandDialog.open()
     }
-        else if (!prefs.hasAnyHardwareAcceleration()) {
+
-            noHwDecoderDialog.open()
+    onVisibleChanged: {
+        if (visible) {
+            // Start polling when this view is shown
+            ComputerManager.startPolling()
+        }
+        else {
+            // Stop polling when this view is not top-most
+            ComputerManager.stopPollingAsync()
         }
     }
 
@@ -47,8 +46,11 @@ GridView {
         // Close the PIN dialog
         pairDialog.close()
 
+        // Start polling again
+        ComputerManager.startPolling()
+
         // Display a failed dialog if we got an error
-        if (error !== undefined) {
+        if (error !== null) {
             errorDialog.text = error
             errorDialog.open()
         }
@@ -70,14 +72,14 @@ GridView {
         return model
     }
 
-    model: computerModel
+    model: createModel()
 
-    delegate: ItemDelegate {
+    delegate: Item {
         width: 300; height: 300;
 
         Image {
             id: pcIcon
-            anchors.horizontalCenter: parent.horizontalCenter
+            anchors.horizontalCenter: parent.horizontalCenter;
             source: {
                 model.addPc ? "qrc:/res/ic_add_to_queue_white_48px.svg" : "qrc:/res/ic_tv_white_48px.svg"
             }
@@ -87,30 +89,6 @@ GridView {
             }
         }
 
-        Image {
-            // TODO: Tooltip
-            id: stateIcon
-            anchors.horizontalCenter: pcIcon.horizontalCenter
-            anchors.verticalCenter: pcIcon.verticalCenter
-            anchors.verticalCenterOffset: -10
-            visible: !model.addPc && !model.statusUnknown && (!model.online || !model.paired)
-            source: !model.online ? "qrc:/res/baseline-warning-24px.svg" : "qrc:/res/baseline-lock-24px.svg"
-            sourceSize {
-                width: 75
-                height: 75
-            }
-        }
-
-        BusyIndicator {
-            id: statusUnknownSpinner
-            anchors.horizontalCenter: pcIcon.horizontalCenter
-            anchors.verticalCenter: pcIcon.verticalCenter
-            anchors.verticalCenterOffset: -10
-            width: 75
-            height: 75
-            visible: !model.addPc && model.statusUnknown
-        }
-
         Text {
             id: pcNameText
             text: model.name
@@ -123,24 +101,40 @@ GridView {
             wrapMode: Text.Wrap
         }
 
-        Menu {
+        Text {
-            id: pcContextMenu
+            function getStatusText(model)
-            MenuItem {
+            {
-                text: "Wake PC"
+                if (model.online) {
-                onTriggered: computerModel.wakeComputer(index)
+                    var text = "<font color=\"green\">Online</font>"
-                visible: !model.addPc && !model.online && model.wakeable
+                    text += "<font color=\"white\"> - </font>"
-                height: visible ? implicitHeight : 0
+                    if (model.paired) {
+                        text += "<font color=\"skyblue\">Paired</font>"
                     }
-            MenuItem {
+                    else if (model.busy) {
-                text: "Delete PC"
+                        text += "<font color=\"red\">Busy</font>"
-                onTriggered: {
-                    deletePcDialog.pcIndex = index
-                    // get confirmation first, actual closing is called from the dialog
-                    deletePcDialog.open()
                     }
+                    else {
+                        text += "<font color=\"red\">Not Paired</font>"
+                    }
+                    return text
+                }
+                else {
+                    return "<font color=\"red\">Offline</font>";
                 }
             }
 
+            id: pcPairedText
+            text: getStatusText(model)
+            visible: !model.addPc
+
+            width: parent.width
+            anchors.top: pcNameText.bottom
+            font.pointSize: 24
+            horizontalAlignment: Text.AlignHCenter
+        }
+
+        MouseArea {
+            anchors.fill: parent
             onClicked: {
                 if (model.addPc) {
                     addPcDialog.open()
@@ -149,13 +143,18 @@ GridView {
                     if (model.paired) {
                         // go to game view
                         var component = Qt.createComponent("AppView.qml")
-                    var appView = component.createObject(stackView, {"computerIndex": index, "objectName": model.name})
+                        var appView = component.createObject(stackView)
+                        appView.computerIndex = index
+                        appView.objectName = model.name
                         stackView.push(appView)
                     }
                     else {
                         if (!model.busy) {
                             var pin = ("0000" + Math.floor(Math.random() * 10000)).slice(-4)
 
+                            // Stop polling, since pairing may make GFE unresponsive
+                            ComputerManager.stopPollingAsync()
+
                             // Kick off pairing in the background
                             computerModel.pairComputer(index, pin)
 
@@ -169,18 +168,9 @@ GridView {
                             errorDialog.open()
                         }
                     }
-            } else if (!model.online) {
-                pcContextMenu.open()
                 }
-        }
+                else {
-
+                    // TODO: Wake on LAN and delete PC options
-        MouseArea {
-            anchors.fill: parent
-            acceptedButtons: Qt.RightButton;
-            onClicked: {
-                // right click
-                if (!model.addPc) { // but only for actual PCs, not the add-pc option
-                    pcContextMenu.open()
                 }
             }
         }
@@ -194,31 +184,6 @@ GridView {
         standardButtons: StandardButton.Ok
     }
 
-    MessageDialog {
-        id: noHwDecoderDialog
-        modality:Qt.WindowModal
-        icon: StandardIcon.Warning
-        standardButtons: StandardButton.Ok | StandardButton.Help
-        text: "No functioning hardware accelerated H.264 video decoder was detected by Moonlight. " +
-              "Your streaming performance may be severely degraded in this configuration. " +
-              "Click the Help button for more information on solving this problem."
-        onHelp: {
-            Qt.openUrlExternally("https://github.com/moonlight-stream/moonlight-docs/wiki/Fixing-Hardware-Decoding-Problems");
-        }
-    }
-
-    MessageDialog {
-        id: waylandDialog
-        modality:Qt.WindowModal
-        icon: StandardIcon.Warning
-        standardButtons: StandardButton.Ok | StandardButton.Help
-        text: "Moonlight does not support hardware acceleration on Wayland. Continuing on Wayland may result in poor streaming performance. " +
-              "Please switch to an X session for optimal performance."
-        onHelp: {
-            Qt.openUrlExternally("https://github.com/moonlight-stream/moonlight-docs/wiki/Fixing-Hardware-Decoding-Problems");
-        }
-    }
-
     MessageDialog {
         id: pairDialog
         // don't allow edits to the rest of the window while open
@@ -231,19 +196,6 @@ GridView {
         }
     }
 
-    MessageDialog {
-        id: deletePcDialog
-        // don't allow edits to the rest of the window while open
-        modality:Qt.WindowModal
-        property int pcIndex : -1;
-        text:"Are you sure you want to remove this PC?"
-        standardButtons: StandardButton.Yes | StandardButton.No
-        onYes: {
-            console.log("deleting PC pairing for PC at index: " + pcIndex)
-            computerModel.deleteComputer(pcIndex);
-        }
-    }
-
     Dialog {
         id: addPcDialog
         property string label: "Enter the IP address of your GameStream PC"

app/gui/QuitSegue.qml

@@ -1,78 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 2.2
-import QtQuick.Dialogs 1.2
-
-import ComputerManager 1.0
-import Session 1.0
-
-Item {
-    property string appName
-    property Session nextSession : null
-    property string nextAppName : ""
-
-    property string stageText : "Quitting " + appName + "..."
-
-    anchors.fill: parent
-
-    // The StackView will trigger a visibility change when
-    // we're pushed onto it, causing our onVisibleChanged
-    // routine to run, but only if we start as invisible
-    visible: false
-
-    function quitAppCompleted(error)
-    {
-        // Display a failed dialog if we got an error
-        if (error !== undefined) {
-            errorDialog.text = error
-            errorDialog.open()
-        }
-
-        // Exit this view
-        stackView.pop()
-
-        // If we're supposed to launch another game after this, do so now
-        if (error === undefined && nextSession !== null) {
-            var component = Qt.createComponent("StreamSegue.qml")
-            var segue = component.createObject(stackView, {"appName": nextAppName, "session": nextSession})
-            stackView.push(segue)
-        }
-    }
-
-    onVisibleChanged: {
-        if (visible) {
-            // Connect the quit completion signal
-            ComputerManager.quitAppCompleted.connect(quitAppCompleted)
-        }
-        else {
-            // Disconnect the signal
-            ComputerManager.quitAppCompleted.disconnect(quitAppCompleted)
-        }
-    }
-
-    Row {
-        anchors.centerIn: parent
-        spacing: 5
-
-        BusyIndicator {
-            id: stageSpinner
-        }
-
-        Label {
-            id: stageLabel
-            height: stageSpinner.height
-            text: stageText
-            font.pointSize: 20
-            verticalAlignment: Text.AlignVCenter
-
-            wrapMode: Text.Wrap
-            color: "white"
-        }
-    }
-
-    MessageDialog {
-        id: errorDialog
-        modality:Qt.WindowModal
-        icon: StandardIcon.Critical
-        standardButtons: StandardButton.Ok
-    }
-}

app/gui/SettingsView.qml

@@ -16,13 +16,14 @@ ScrollView {
     }
 
     Column {
-        padding: 10
+        x: 10
-        id: settingsColumn1
+        y: 10
-        width: settingsPage.width / 2 - padding
+        width: settingsPage.width
+        height: 400
 
         GroupBox {
             id: basicSettingsGroupBox
-            width: (parent.width - 2 * parent.padding)
+            width: (parent.width - 20)
             padding: 12
             title: "<font color=\"skyblue\">Basic Settings</font>"
             font.pointSize: 12
@@ -34,7 +35,7 @@ ScrollView {
                 Label {
                     width: parent.width
                     id: resFPStitle
-                    text: qsTr("Resolution and FPS")
+                    text: qsTr("Resolution and FPS target")
                     font.pointSize: 12
                     wrapMode: Text.Wrap                    
                     color: "white"
@@ -43,210 +44,86 @@ ScrollView {
                 Label {
                     width: parent.width
                     id: resFPSdesc
-                    text: qsTr("Setting values too high for your PC may cause lag, stuttering, or errors.")
+                    text: qsTr("Setting values too high for your device may cause lag or crashes")
                     font.pointSize: 9
                     wrapMode: Text.Wrap
                     color: "white"
                 }
 
-                Row {
-                    spacing: 5
-
                 ComboBox {
                     // ignore setting the index at first, and actually set it when the component is loaded
                     Component.onCompleted: {
-                            // Add native resolutions for all attached displays
+                        // load the saved width/height/fps, and iterate through the ComboBox until a match is found
-                            var done = false
+                        // set it to that index.
-                            for (var displayIndex = 0; !done; displayIndex++) {
-                                for (var displayResIndex = 0; displayResIndex < 2; displayResIndex++) {
-                                    var screenRect;
-
-                                    // Some platforms have different desktop resolutions
-                                    // and native resolutions (like macOS with Retina displays)
-                                    if (displayResIndex == 0) {
-                                        screenRect = prefs.getDesktopResolution(displayIndex)
-                                    }
-                                    else {
-                                        screenRect = prefs.getNativeResolution(displayIndex)
-                                    }
-
-                                    if (screenRect.width === 0) {
-                                        // Exceeded max count of displays
-                                        done = true
-                                        break
-                                    }
-
-                                    var indexToAdd = 0
-                                    for (var j = 0; j < resolutionComboBox.count; j++) {
-                                        var existing_width = parseInt(resolutionListModel.get(j).video_width);
-                                        var existing_height = parseInt(resolutionListModel.get(j).video_height);
-
-                                        if (screenRect.width === existing_width && screenRect.height === existing_height) {
-                                            // Duplicate entry, skip
-                                            indexToAdd = -1
-                                            break
-                                        }
-                                        else if (screenRect.width * screenRect.height > existing_width * existing_height) {
-                                            // Candidate entrypoint after this entry
-                                            indexToAdd = j + 1
-                                        }
-                                    }
-
-                                    // Insert this display's resolution if it's not a duplicate
-                                    if (indexToAdd >= 0) {
-                                        resolutionListModel.insert(indexToAdd,
-                                                                   {
-                                                                       "text": "Native ("+screenRect.width+"x"+screenRect.height+")",
-                                                                       "video_width": ""+screenRect.width,
-                                                                       "video_height": ""+screenRect.height
-                                                                   })
-                                    }
-                                }
-                            }
-
-                            // load the saved width/height, and iterate through the ComboBox until a match is found
-                            // and set it to that index.
                         var saved_width = prefs.width
                         var saved_height = prefs.height
+                        var saved_fps = prefs.fps
                         currentIndex = 0
-                            for (var i = 0; i < resolutionListModel.count; i++) {
+                        for(var i = 0; i < resolutionComboBox.count; i++) {
                             var el_width = parseInt(resolutionListModel.get(i).video_width);
                             var el_height = parseInt(resolutionListModel.get(i).video_height);
-
+                            var el_fps = parseInt(resolutionListModel.get(i).video_fps);
-                                // Pick the highest value lesser or equal to the saved resolution
+                          if(saved_width === el_width &&
-                                if (saved_width * saved_height >= el_width * el_height) {
+                                  saved_height === el_height &&
+                                  saved_fps === el_fps) {
                               currentIndex = i
                           }
                         }
-
-                            // Persist the selected value
-                            activated(currentIndex)
                     }
 
                     id: resolutionComboBox
-                        width: 200
+                    width: Math.min(bitrateDesc.implicitWidth, parent.width)
+                    font.pointSize: 9
                     textRole: "text"
                     model: ListModel {
                         id: resolutionListModel
-                            // Other elements may be added at runtime
-                            // based on attached display resolution
                         ListElement {
-                                text: "720p"
+                            text: "720p 30 FPS"
                             video_width: "1280"
                             video_height: "720"
+                            video_fps: "30"
                         }
                         ListElement {
-                                text: "1080p"
+                            text: "720p 60 FPS"
+                            video_width: "1280"
+                            video_height: "720"
+                            video_fps: "60"
+                        }
+                        ListElement {
+                            text: "1080p 30 FPS"
                             video_width: "1920"
                             video_height: "1080"
+                            video_fps: "30"
                         }
                         ListElement {
-                                text: "1440p"
+                            text: "1080p 60 FPS"
-                                video_width: "2560"
+                            video_width: "1920"
-                                video_height: "1440"
+                            video_height: "1080"
+                            video_fps: "60"
                         }
                         ListElement {
-                                text: "4K"
+                            text: "4K 30 FPS"
                             video_width: "3840"
                             video_height: "2160"
+                            video_fps: "30"
+                        }
+                        ListElement {
+                            text: "4K 60 FPS"
+                            video_width: "3840"
+                            video_height: "2160"
+                            video_fps: "60"
                         }
                     }
                     // ::onActivated must be used, as it only listens for when the index is changed by a human
                     onActivated : {
-                            var selectedWidth = parseInt(resolutionListModel.get(currentIndex).video_width)
+                        prefs.width = parseInt(resolutionListModel.get(currentIndex).video_width)
-                            var selectedHeight = parseInt(resolutionListModel.get(currentIndex).video_height)
+                        prefs.height = parseInt(resolutionListModel.get(currentIndex).video_height)
-
+                        prefs.fps = parseInt(resolutionListModel.get(currentIndex).video_fps)
-                            // Only modify the bitrate if the values actually changed
-                            if (prefs.width !== selectedWidth || prefs.height !== selectedHeight) {
-                                prefs.width = selectedWidth
-                                prefs.height = selectedHeight
 
                         prefs.bitrateKbps = prefs.getDefaultBitrate(prefs.width, prefs.height, prefs.fps);
                         slider.value = prefs.bitrateKbps
                     }
                 }
-                    }
-
-                    ComboBox {
-                        function createModel() {
-                            var fpsListModel = Qt.createQmlObject('import QtQuick 2.0; ListModel {}', parent, '')
-
-                            // Get the max supported FPS on this system
-                            var max_fps = prefs.getMaximumStreamingFrameRate();
-
-                            // Default entries
-                            fpsListModel.append({"text": "30 FPS", "video_fps": "30"})
-                            fpsListModel.append({"text": "60 FPS", "video_fps": "60"})
-
-                            // Add unsupported FPS values that come before the display max FPS
-                            if (prefs.unsupportedFps) {
-                                if (max_fps > 90) {
-                                    fpsListModel.append({"text": "90 FPS (Unsupported)", "video_fps": "90"})
-                                }
-                                if (max_fps > 120) {
-                                    fpsListModel.append({"text": "120 FPS (Unsupported)", "video_fps": "120"})
-                                }
-                            }
-
-                            // Use 64 as the cutoff for adding a separate option to
-                            // handle wonky displays that report just over 60 Hz.
-                            if (max_fps > 64) {
-                                fpsListModel.append({"text": max_fps+" FPS", "video_fps": ""+max_fps})
-                            }
-
-                            // Add unsupported FPS values that come after the display max FPS
-                            if (prefs.unsupportedFps) {
-                                if (max_fps < 90) {
-                                    fpsListModel.append({"text": "90 FPS (Unsupported)", "video_fps": "90"})
-                                }
-                                if (max_fps < 120) {
-                                    fpsListModel.append({"text": "120 FPS (Unsupported)", "video_fps": "120"})
-                                }
-                            }
-
-                            return fpsListModel
-                        }
-
-                        function reinitialize() {
-                            model = createModel()
-
-                            var saved_fps = prefs.fps
-                            currentIndex = 0
-                            for (var i = 0; i < model.count; i++) {
-                                var el_fps = parseInt(model.get(i).video_fps);
-
-                                // Pick the highest value lesser or equal to the saved FPS
-                                if (saved_fps >= el_fps) {
-                                    currentIndex = i
-                                }
-                            }
-
-                            // Persist the selected value
-                            activated(currentIndex)
-                        }
-
-                        // ignore setting the index at first, and actually set it when the component is loaded
-                        Component.onCompleted: {
-                            reinitialize()
-                        }
-
-                        id: fpsComboBox
-                        textRole: "text"
-                        width: 250
-                        // ::onActivated must be used, as it only listens for when the index is changed by a human
-                        onActivated : {
-                            var selectedFps = parseInt(model.get(currentIndex).video_fps)
-
-                            // Only modify the bitrate if the values actually changed
-                            if (prefs.fps !== selectedFps) {
-                                prefs.fps = selectedFps
-
-                                prefs.bitrateKbps = prefs.getDefaultBitrate(prefs.width, prefs.height, prefs.fps);
-                                slider.value = prefs.bitrateKbps
-                            }
-                        }
-                    }
-                }
 
                 Label {
                     width: parent.width
@@ -274,7 +151,7 @@ ScrollView {
 
                     stepSize: 500
                     from : 500
-                    to: 150000
+                    to: 100000
 
                     snapMode: "SnapOnRelease"
                     width: Math.min(bitrateDesc.implicitWidth, parent.width)
@@ -285,60 +162,13 @@ ScrollView {
                     }
                 }
 
-                Label {
-                    width: parent.width
-                    id: windowModeTitle
-                    text: qsTr("Display mode")
-                    font.pointSize: 12
-                    wrapMode: Text.Wrap
-                    color: "white"
-                }
-
-                ComboBox {
-                    // ignore setting the index at first, and actually set it when the component is loaded
-                    Component.onCompleted: {
-                        var savedWm = prefs.windowMode
-                        currentIndex = 0
-                        for (var i = 0; i < windowModeListModel.count; i++) {
-                             var thisWm = windowModeListModel.get(i).val;
-                             if (savedWm === thisWm) {
-                                 currentIndex = i
-                                 break
-                             }
-                        }
-                        activated(currentIndex)
-                    }
-
-                    id: windowModeComboBox
-                    width: Math.min(bitrateDesc.implicitWidth, parent.width)
-                    textRole: "text"
-                    model: ListModel {
-                        id: windowModeListModel
-                        ListElement {
-                            text: "Full-screen (Recommended)"
-                            val: StreamingPreferences.WM_FULLSCREEN
-                        }
-                        ListElement {
-                            text: "Borderless windowed"
-                            val: StreamingPreferences.WM_FULLSCREEN_DESKTOP
-                        }
-                        ListElement {
-                            text: "Windowed"
-                            val: StreamingPreferences.WM_WINDOWED
-                        }
-                    }
-                    onActivated: {
-                        prefs.windowMode = windowModeListModel.get(currentIndex).val
-                    }
-                }
-
                 CheckBox {
-                    id: vsyncCheck
+                    id: fullScreenCheck
-                    text: "<font color=\"white\">Enable V-Sync</font>"
+                    text: "<font color=\"white\">Full-screen</font>"
                     font.pointSize:  12
-                    checked: prefs.enableVsync
+                    checked: prefs.fullScreen
                     onCheckedChanged: {
-                        prefs.enableVsync = checked
+                        prefs.fullScreen = checked
                     }
                 }
             }
@@ -347,7 +177,7 @@ ScrollView {
         GroupBox {
 
             id: audioSettingsGroupBox
-            width: (parent.width - 2 * parent.padding)
+            width: (parent.width - 20)
             padding: 12
             title: "<font color=\"skyblue\">Audio Settings</font>"
             font.pointSize: 12
@@ -356,71 +186,24 @@ ScrollView {
                 anchors.fill: parent
                 spacing: 5
 
-                Label {
+                CheckBox {
-                    width: parent.width
+                    id: surroundSoundCheck
-                    id: resAudioTitle
+                    text: "<font color=\"white\">Enable 5.1 surround sound</font>"
-                    text: qsTr("Audio configuration")
                     font.pointSize:  12
-                    wrapMode: Text.Wrap
-                    color: "white"
-                }
 
-                ComboBox {
+                    // the backend actually supports auto/stereo/5.1.  We'll expose stereo/5.1
-                    // ignore setting the index at first, and actually set it when the component is loaded
+                    checked: prefs.audioConfig === StreamingPreferences.AC_FORCE_SURROUND
-                    Component.onCompleted: {
-                        var saved_audio = prefs.audioConfig
-                        currentIndex = 0
-                        for (var i = 0; i < audioListModel.count; i++) {
-                            var el_audio = audioListModel.get(i).val;
-                            if (saved_audio === el_audio) {
-                                currentIndex = i
-                                break
-                            }
-                        }
-                        activated(currentIndex)
-                    }
-
-                    id: audioComboBox
-                    width: Math.min(bitrateDesc.implicitWidth, parent.width)
-                    textRole: "text"
-                    model: ListModel {
-                        id: audioListModel
-                        // Detection of audio channels only works on Windows
-                        // and even so, it's still unreliable because audio devices
-                        // lie about how many channels they can support. Hide the
-                        // option to autodetect until this is resolved.
-                        /*ListElement {
-                            text: "Autodetect"
-                            val: StreamingPreferences.AC_AUTO
-                        }*/
-                        ListElement {
-                            text: "Stereo"
-                            val: StreamingPreferences.AC_FORCE_STEREO
-                        }
-                        ListElement {
-                            text: "5.1 surround sound"
-                            val: StreamingPreferences.AC_FORCE_SURROUND
-                        }
-                    }
-                    // ::onActivated must be used, as it only listens for when the index is changed by a human
-                    onActivated : {
-                        prefs.audioConfig = audioListModel.get(currentIndex).val
-                    }
-                }
 
+                    onCheckedChanged: {
+                        prefs.audioConfig = checked ? StreamingPreferences.AC_FORCE_SURROUND : StreamingPreferences.AC_FORCE_STEREO
+                    }
                 }
             }
         }
-
-    Column {
-        padding: 10
-        anchors.left: settingsColumn1.right
-        id: settingsColumn2
-        width: settingsPage.width / 2 - padding
 
         GroupBox {
             id: gamepadSettingsGroupBox
-            width: (parent.width - parent.padding)
+            width: (parent.width - 20)
             padding: 12
             title: "<font color=\"skyblue\">Gamepad Settings</font>"
             font.pointSize: 12
@@ -438,12 +221,38 @@ ScrollView {
                         prefs.multiController = checked
                     }
                 }
+                CheckBox {
+                    id: mouseEmulationCheck
+                    text: "<font color=\"white\">Mouse emulation via gamepad</font>"
+                    font.pointSize:  12
+                    // TODO: make this actually do anything
+                }
+            }
+        }
+
+        GroupBox {
+            id: onScreenControlsGroupBox
+            width: (parent.width - 20)
+            padding: 12
+            title: "<font color=\"skyblue\">On-screen Controls Settings</font>"
+            font.pointSize: 12
+
+            Column {
+                anchors.fill: parent
+                spacing: 5
+
+                CheckBox {
+                    id: onScreenControlsCheck
+                    text: "<font color=\"white\">Show on-screen controls</font>"
+                    font.pointSize:  12
+                    // TODO: make this actually do anything
+                }
             }
         }
 
         GroupBox {
             id: hostSettingsGroupBox
-            width: (parent.width - parent.padding)
+            width: (parent.width - 20)
             padding: 12
             title: "<font color=\"skyblue\">Host Settings</font>"
             font.pointSize: 12
@@ -476,7 +285,7 @@ ScrollView {
 
         GroupBox {
             id: advancedSettingsGroupBox
-            width: (parent.width - parent.padding)
+            width: (parent.width - 20)
             padding: 12
             title: "<font color=\"skyblue\">Advanced Settings</font>"
             font.pointSize: 12
@@ -485,121 +294,10 @@ ScrollView {
                 anchors.fill: parent
                 spacing: 5
 
-                Label {
-                    width: parent.width
-                    id: resVDSTitle
-                    text: qsTr("Video decoder")
-                    font.pointSize: 12
-                    wrapMode: Text.Wrap
-                    color: "white"
-                }
-
-                ComboBox {
-                    // ignore setting the index at first, and actually set it when the component is loaded
-                    Component.onCompleted: {
-                        var saved_vds = prefs.videoDecoderSelection
-                        currentIndex = 0
-                        for (var i = 0; i < decoderListModel.count; i++) {
-                            var el_vds = decoderListModel.get(i).val;
-                            if (saved_vds === el_vds) {
-                                currentIndex = i
-                                break
-                            }
-                        }
-                        activated(currentIndex)
-                    }
-
-                    id: decoderComboBox
-                    width: Math.min(bitrateDesc.implicitWidth, parent.width)
-                    textRole: "text"
-                    model: ListModel {
-                        id: decoderListModel
-                        ListElement {
-                            text: "Automatic (Recommended)"
-                            val: StreamingPreferences.VDS_AUTO
-                        }
-                        ListElement {
-                            text: "Force software decoding"
-                            val: StreamingPreferences.VDS_FORCE_SOFTWARE
-                        }
-                        ListElement {
-                            text: "Force hardware decoding"
-                            val: StreamingPreferences.VDS_FORCE_HARDWARE
-                        }
-                    }
-                    // ::onActivated must be used, as it only listens for when the index is changed by a human
-                    onActivated : {
-                        prefs.videoDecoderSelection = decoderListModel.get(currentIndex).val
-                    }
-                }
-
-                Label {
-                    width: parent.width
-                    id: resVCCTitle
-                    text: qsTr("Video codec")
-                    font.pointSize: 12
-                    wrapMode: Text.Wrap
-                    color: "white"
-                }
-
-                ComboBox {
-                    // ignore setting the index at first, and actually set it when the component is loaded
-                    Component.onCompleted: {
-                        var saved_vcc = prefs.videoCodecConfig
-                        currentIndex = 0
-                        for(var i = 0; i < codecListModel.count; i++) {
-                            var el_vcc = codecListModel.get(i).val;
-                            if (saved_vcc === el_vcc) {
-                                currentIndex = i
-                                break
-                            }
-                        }
-                        activated(currentIndex)
-                    }
-
-                    id: codecComboBox
-                    width: Math.min(bitrateDesc.implicitWidth, parent.width)
-                    textRole: "text"
-                    model: ListModel {
-                        id: codecListModel
-                        ListElement {
-                            text: "Automatic (Recommended)"
-                            val: StreamingPreferences.VCC_AUTO
-                        }
-                        ListElement {
-                            text: "Force H.264"
-                            val: StreamingPreferences.VCC_FORCE_H264
-                        }
-                        ListElement {
-                            text: "Force HEVC"
-                            val: StreamingPreferences.VCC_FORCE_HEVC
-                        }
-                        // HDR seems to be broken in GFE 3.14.1, and even when that's fixed
-                        // we'll probably need to gate this feature on OS support in our
-                        // renderers.
-                        /* ListElement {
-                            text: "Force HEVC HDR"
-                            val: StreamingPreferences.VCC_FORCE_HEVC_HDR
-                        } */
-                    }
-                    // ::onActivated must be used, as it only listens for when the index is changed by a human
-                    onActivated : {
-                        prefs.videoCodecConfig = codecListModel.get(currentIndex).val
-                    }
-                }
-
                 CheckBox {
-                    id: unlockUnsupportedFps
+                    id: neverDropFramesCheck
-                    text: "<font color=\"white\">Unlock unsupported FPS options</font>"
+                    text: "<font color=\"white\">Never drop frames</font>"
                     font.pointSize:  12
-                    checked: prefs.unsupportedFps
-                    onCheckedChanged: {
-                        prefs.unsupportedFps = checked
-
-                        // The selectable FPS values depend on whether
-                        // this option is enabled or not
-                        fpsComboBox.reinitialize()
-                    }
                 }
             }
         }

app/gui/StreamSegue.qml

@@ -1,14 +1,13 @@
 import QtQuick 2.0
 import QtQuick.Controls 2.2
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 1.3
-import QtQuick.Window 2.2
 
 import Session 1.0
 
 Item {
     property Session session
-    property string appName
+    property string appname
-    property string stageText : "Starting " + appName + "..."
+    property string stageText : "Starting " + appname + "..."
 
     anchors.fill: parent
 
@@ -48,13 +47,7 @@ Item {
 
     function displayLaunchWarning(text)
     {
-        // This toast appears for 3 seconds, just shorter than how long
+        // TODO: toast
-        // Session will wait for it to be displayed. This gives it time
-        // to transition to invisible before continuing.
-        var toast = Qt.createQmlObject('import QtQuick.Controls 2.3; ToolTip {}', parent, '')
-        toast.text = text
-        toast.timeout = 3000
-        toast.visible = true
     }
 
     onVisibleChanged: {
@@ -70,7 +63,7 @@ Item {
             session.displayLaunchWarning.connect(displayLaunchWarning)
 
             // Run the streaming session to completion
-            session.exec(Screen.virtualX, Screen.virtualY)
+            session.exec()
 
             // Show the Qt window again after streaming
             window.visible = true

app/gui/appmodel.cpp

@@ -19,32 +19,6 @@ void AppModel::initialize(ComputerManager* computerManager, int computerIndex)
     m_CurrentGameId = m_Computer->currentGameId;
 }
 
-int AppModel::getRunningAppIndex()
-{
-    if (m_CurrentGameId != 0) {
-        for (int i = 0; i < m_Apps.count(); i++) {
-            if (m_Apps[i].id == m_CurrentGameId) {
-                return i;
-            }
-        }
-    }
-
-    return -1;
-}
-
-QString AppModel::getRunningAppName()
-{
-    if (m_CurrentGameId != 0) {
-        for (int i = 0; i < m_Apps.count(); i++) {
-            if (m_Apps[i].id == m_CurrentGameId) {
-                return m_Apps[i].name;
-            }
-        }
-    }
-
-    return nullptr;
-}
-
 Session* AppModel::createSessionForApp(int appIndex)
 {
     Q_ASSERT(appIndex < m_Apps.count());
@@ -96,11 +70,6 @@ QHash<int, QByteArray> AppModel::roleNames() const
     return names;
 }
 
-void AppModel::quitRunningApp()
-{
-    m_ComputerManager->quitRunningApp(m_Computer);
-}
-
 void AppModel::handleComputerStateChanged(NvComputer* computer)
 {
     // Ignore updates for computers that aren't ours
@@ -108,14 +77,6 @@ void AppModel::handleComputerStateChanged(NvComputer* computer)
         return;
     }
 
-    // If the computer has gone offline or we've been unpaired,
-    // signal the UI so we can go back to the PC view.
-    if (m_Computer->state == NvComputer::CS_OFFLINE ||
-            m_Computer->pairState == NvComputer::PS_NOT_PAIRED) {
-        emit computerLost();
-        return;
-    }
-
     // First, process additions/removals from the app list. This
     // is required because the new game may now be running, so
     // we can't check that first.
@@ -162,15 +123,10 @@ void AppModel::handleBoxArtLoaded(NvComputer* computer, NvApp app, QUrl /* image
     Q_ASSERT(computer == m_Computer);
 
     int index = m_Apps.indexOf(app);
+    Q_ASSERT(index >= 0);
 
-    // Make sure we're not delivering a callback to an app that's already been removed
-    if (index >= 0) {
     // Let our view know the box art data has changed for this app
     emit dataChanged(createIndex(index, 0),
                      createIndex(index, 0),
                      QVector<int>() << BoxArtRole);
-    }
-    else {
-        qWarning() << "App not found for box art callback:" << app.name;
-    }
 }

app/gui/appmodel.h

@@ -25,12 +25,6 @@ public:
 
     Q_INVOKABLE Session* createSessionForApp(int appIndex);
 
-    Q_INVOKABLE int getRunningAppIndex();
-
-    Q_INVOKABLE QString getRunningAppName();
-
-    Q_INVOKABLE void quitRunningApp();
-
     QVariant data(const QModelIndex &index, int role) const override;
 
     int rowCount(const QModelIndex &parent) const override;
@@ -42,9 +36,6 @@ private slots:
 
     void handleBoxArtLoaded(NvComputer* computer, NvApp app, QUrl image);
 
-signals:
-    void computerLost();
-
 private:
     NvComputer* m_Computer;
     BoxArtManager m_BoxArtManager;

app/gui/computermodel.cpp

@@ -1,7 +1,5 @@
 #include "computermodel.h"
 
-#include <QThreadPool>
-
 ComputerModel::ComputerModel(QObject* object)
     : QAbstractListModel(object) {}
 
@@ -48,12 +46,8 @@ QVariant ComputerModel::data(const QModelIndex& index, int role) const
         return computer->pairState == NvComputer::PS_PAIRED;
     case BusyRole:
         return computer->currentGameId != 0;
-    case WakeableRole:
-        return !computer->macAddress.isEmpty();
     case AddPcRole:
         return false;
-    case StatusUnknownRole:
-        return computer->state == NvComputer::CS_UNKNOWN;
     default:
         return QVariant();
     }
@@ -80,8 +74,6 @@ QHash<int, QByteArray> ComputerModel::roleNames() const
     names[PairedRole] = "paired";
     names[BusyRole] = "busy";
     names[AddPcRole] = "addPc";
-    names[WakeableRole] = "wakeable";
-    names[StatusUnknownRole] = "statusUnknown";
 
     return names;
 }
@@ -121,27 +113,11 @@ void ComputerModel::deleteComputer(int computerIndex)
     endRemoveRows();
 }
 
-class DeferredWakeHostTask : public QRunnable
+bool ComputerModel::wakeComputer(int computerIndex)
-{
-public:
-    DeferredWakeHostTask(NvComputer* computer)
-        : m_Computer(computer) {}
-
-    void run()
-    {
-        m_Computer->wake();
-    }
-
-private:
-    NvComputer* m_Computer;
-};
-
-void ComputerModel::wakeComputer(int computerIndex)
 {
     Q_ASSERT(computerIndex < m_Computers.count());
 
-    DeferredWakeHostTask* wakeTask = new DeferredWakeHostTask(m_Computers[computerIndex]);
+    return m_Computers[computerIndex]->wake();
-    QThreadPool::globalInstance()->start(wakeTask);
 }
 
 void ComputerModel::pairComputer(int computerIndex, QString pin)

app/gui/computermodel.h

@@ -13,8 +13,6 @@ class ComputerModel : public QAbstractListModel
         OnlineRole,
         PairedRole,
         BusyRole,
-        WakeableRole,
-        StatusUnknownRole,
         AddPcRole
     };
 
@@ -34,7 +32,7 @@ public:
 
     Q_INVOKABLE void pairComputer(int computerIndex, QString pin);
 
-    Q_INVOKABLE void wakeComputer(int computerIndex);
+    Q_INVOKABLE bool wakeComputer(int computerIndex);
 
     Q_INVOKABLE Session* createSessionForCurrentGame(int computerIndex);
 

app/gui/main.qml

@@ -1,16 +1,10 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.3
-import QtQuick.Window 2.2
 
 import QtQuick.Controls.Material 2.1
 
-import ComputerManager 1.0
-import AutoUpdateChecker 1.0
-
 ApplicationWindow {
-    property bool pollingActive: false
-
     id: window
     visible: true
     width: 1280
@@ -25,24 +19,6 @@ ApplicationWindow {
         anchors.fill: parent
     }
 
-    onVisibilityChanged: {
-        // We don't want to just use 'active' here because that will stop polling if
-        // we lose focus, which might be overzealous for users with multiple screens
-        // where we may be clearly visible on the other display. Ideally we'll poll
-        // only if the window is visible to the user (not if obscured by other windows),
-        // but it seems difficult to do this portably.
-        var shouldPoll = visibility !== Window.Minimized && visibility !== Window.Hidden
-
-        if (shouldPoll && !pollingActive) {
-            ComputerManager.startPolling()
-            pollingActive = true
-        }
-        else if (!shouldPoll && pollingActive) {
-            ComputerManager.stopPollingAsync()
-            pollingActive = false
-        }
-    }
-
     function navigateTo(url, objectName)
     {
         var existingItem = stackView.find(function(item, index) {
@@ -61,8 +37,6 @@ ApplicationWindow {
 
     header: ToolBar {
         id: toolBar
-        anchors.topMargin: 5
-        anchors.bottomMargin: 5
 
         RowLayout {
             spacing: 20
@@ -72,19 +46,14 @@ ApplicationWindow {
                 // Only make the button visible if the user has navigated somewhere.
                 visible: stackView.depth > 1
 
-                // FIXME: We're using an Image here rather than icon.source because
+                icon.source: "qrc:/res/arrow_left.svg"
-                // icons don't work on Qt 5.9 LTS.
-                Image {
-                    source: "qrc:/res/arrow_left.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        // The icon should be square so use the height as the width too
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
-
                 onClicked: stackView.pop()
+
+                Menu {
+                    id: backButton
+                    x: parent.width - width
+                    transformOrigin: Menu.TopRight
+                }
             }
 
             Label {
@@ -98,99 +67,38 @@ ApplicationWindow {
             }
 
             ToolButton {
-                property string browserUrl: ""
+                icon.source: "qrc:/res/question_mark.svg"
-
-                id: updateButton
-
-                Image {
-                    source: "qrc:/res/update.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
-
-                ToolTip.delay: 1000
-                ToolTip.timeout: 3000
-                ToolTip.visible: hovered
-                ToolTip.text: "Update available for Moonlight"
-
-                // Invisible until we get a callback notifying us that
-                // an update is available
-                visible: false
-
-                onClicked: Qt.openUrlExternally(browserUrl);
-
-
-                function updateAvailable(url)
-                {
-                    updateButton.browserUrl = url
-                    updateButton.visible = true
-                }
-
-                Component.onCompleted: {
-                    AutoUpdateChecker.onUpdateAvailable.connect(updateAvailable)
-                    AutoUpdateChecker.start()
-                }
-            }
-
-            ToolButton {
-                Image {
-                    source: "qrc:/res/question_mark.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
-
-                ToolTip.delay: 1000
-                ToolTip.timeout: 3000
-                ToolTip.visible: hovered
-                ToolTip.text: "Help"
 
                 // TODO need to make sure browser is brought to foreground.
                 onClicked: Qt.openUrlExternally("https://github.com/moonlight-stream/moonlight-docs/wiki/Setup-Guide");
+
+                Menu {
+                    id: helpButton
+                    x: parent.width
+                    transformOrigin: Menu.TopRight
+                }
             }
 
             ToolButton {
-                // TODO: Implement gamepad mapping then unhide this button
+                icon.source: "qrc:/res/ic_videogame_asset_white_48px.svg"
-                visible: false
-
-                ToolTip.delay: 1000
-                ToolTip.timeout: 3000
-                ToolTip.visible: hovered
-                ToolTip.text: "Gamepad Mapper"
-
-                Image {
-                    source: "qrc:/res/ic_videogame_asset_white_48px.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
-
                 onClicked: navigateTo("qrc:/gui/GamepadMapper.qml", "Gamepad Mapping")
+
+                Menu {
+                    id: gamepadMappingMenu
+                    x: parent.width
+                    transformOrigin: Menu.TopRight
+                }
             }
 
             ToolButton {
-                Image {
+                icon.source: "qrc:/res/settings.svg"
-                    source: "qrc:/res/settings.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
-
                 onClicked: navigateTo("qrc:/gui/SettingsView.qml", "Settings")
 
-                ToolTip.delay: 1000
+                Menu {
-                ToolTip.timeout: 3000
+                    id: optionsMenu
-                ToolTip.visible: hovered
+                    x: parent.width
-                ToolTip.text: "Settings"
+                    transformOrigin: Menu.TopRight
+                }
             }
         }
     }

app/main.cpp

@@ -2,8 +2,6 @@
 #include <QQmlApplicationEngine>
 #include <QIcon>
 #include <QQuickStyle>
-#include <QMutex>
-#include <QtDebug>
 
 // Don't let SDL hook our main function, since Qt is already
 // doing the same thing. This needs to be before any headers
@@ -11,265 +9,23 @@
 #define SDL_MAIN_HANDLED
 #include <SDL.h>
 
-#ifdef HAVE_FFMPEG
-#include "streaming/video/ffmpeg.h"
-#endif
-
-#include "path.h"
 #include "gui/computermodel.h"
 #include "gui/appmodel.h"
-#include "backend/autoupdatechecker.h"
 #include "streaming/session.hpp"
 #include "settings/streamingpreferences.h"
 
-#if !defined(QT_DEBUG) && defined(Q_OS_WIN32)
-// Log to file for release Windows builds
-#define USE_CUSTOM_LOGGER
-#define LOG_TO_FILE
-#elif defined(Q_OS_UNIX) && !defined(Q_OS_DARWIN)
-// Use stdout logger on all Linux/BSD builds
-#define USE_CUSTOM_LOGGER
-#elif !defined(QT_DEBUG) && defined(Q_OS_DARWIN)
-// Log to file for release Mac builds
-#define USE_CUSTOM_LOGGER
-#define LOG_TO_FILE
-#else
-// For debug Windows and Mac builds, use default logger
-#endif
-
-#ifdef USE_CUSTOM_LOGGER
-static QTime s_LoggerTime;
-static QTextStream s_LoggerStream(stdout);
-static QMutex s_LoggerLock;
-#ifdef LOG_TO_FILE
-#define MAX_LOG_LINES 10000
-static int s_LogLinesWritten = 0;
-static bool s_LogLimitReached = false;
-static QFile* s_LoggerFile;
-#endif
-
-void logToLoggerStream(QString& message)
-{
-    QMutexLocker lock(&s_LoggerLock);
-
-#ifdef LOG_TO_FILE
-    if (s_LogLimitReached) {
-        return;
-    }
-    else if (s_LogLinesWritten == MAX_LOG_LINES) {
-        s_LoggerStream << "Log size limit reached!" << endl;
-        s_LogLimitReached = true;
-        return;
-    }
-    else {
-        s_LogLinesWritten++;
-    }
-#endif
-
-    s_LoggerStream << message;
-    s_LoggerStream.flush();
-}
-
-void sdlLogToDiskHandler(void*, int category, SDL_LogPriority priority, const char* message)
-{
-    QString priorityTxt;
-
-    switch (priority) {
-    case SDL_LOG_PRIORITY_VERBOSE:
-        priorityTxt = "Verbose";
-        break;
-    case SDL_LOG_PRIORITY_DEBUG:
-        priorityTxt = "Debug";
-        break;
-    case SDL_LOG_PRIORITY_INFO:
-        priorityTxt = "Info";
-        break;
-    case SDL_LOG_PRIORITY_WARN:
-        priorityTxt = "Warn";
-        break;
-    case SDL_LOG_PRIORITY_ERROR:
-        priorityTxt = "Error";
-        break;
-    case SDL_LOG_PRIORITY_CRITICAL:
-        priorityTxt = "Critical";
-        break;
-    default:
-        priorityTxt = "Unknown";
-        break;
-    }
-
-    QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
-    QString txt = QString("%1 - SDL %2 (%3): %4\n").arg(logTime.toString()).arg(priorityTxt).arg(category).arg(message);
-
-    logToLoggerStream(txt);
-}
-
-void qtLogToDiskHandler(QtMsgType type, const QMessageLogContext&, const QString& msg)
-{
-    QString typeTxt;
-
-    switch (type) {
-    case QtDebugMsg:
-        typeTxt = "Debug";
-        break;
-    case QtInfoMsg:
-        typeTxt = "Info";
-        break;
-    case QtWarningMsg:
-        typeTxt = "Warning";
-        break;
-    case QtCriticalMsg:
-        typeTxt = "Critical";
-        break;
-    case QtFatalMsg:
-        typeTxt = "Fatal";
-        break;
-    }
-
-    QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
-    QString txt = QString("%1 - Qt %2: %3\n").arg(logTime.toString()).arg(typeTxt).arg(msg);
-
-    logToLoggerStream(txt);
-}
-
-#ifdef HAVE_FFMPEG
-
-void ffmpegLogToDiskHandler(void* ptr, int level, const char* fmt, va_list vl)
-{
-    char lineBuffer[1024];
-    static int printPrefix = 1;
-
-    if ((level & 0xFF) > av_log_get_level()) {
-        return;
-    }
-
-    av_log_format_line(ptr, level, fmt, vl, lineBuffer, sizeof(lineBuffer), &printPrefix);
-
-    QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
-    QString txt = QString("%1 - FFmpeg: %2").arg(logTime.toString()).arg(lineBuffer);
-
-    logToLoggerStream(txt);
-}
-
-#endif
-
-#endif
-
-#ifdef Q_OS_WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
-#include <DbgHelp.h>
-
-static UINT s_HitUnhandledException = 0;
-
-LONG WINAPI UnhandledExceptionHandler(struct _EXCEPTION_POINTERS *ExceptionInfo)
-{
-    // Only write a dump for the first unhandled exception
-    if (InterlockedCompareExchange(&s_HitUnhandledException, 1, 0) != 0) {
-        return EXCEPTION_CONTINUE_SEARCH;
-    }
-
-    WCHAR dmpFileName[MAX_PATH];
-    swprintf_s(dmpFileName, L"%ls\\Moonlight-%I64u.dmp",
-               (PWCHAR)QDir::toNativeSeparators(Path::getLogDir()).utf16(), QDateTime::currentSecsSinceEpoch());
-    QString qDmpFileName = QString::fromUtf16((unsigned short*)dmpFileName);
-    HANDLE dumpHandle = CreateFileW(dmpFileName, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
-    if (dumpHandle != INVALID_HANDLE_VALUE) {
-        MINIDUMP_EXCEPTION_INFORMATION info;
-
-        info.ThreadId = GetCurrentThreadId();
-        info.ExceptionPointers = ExceptionInfo;
-        info.ClientPointers = FALSE;
-
-        DWORD typeFlags = MiniDumpWithIndirectlyReferencedMemory |
-                MiniDumpIgnoreInaccessibleMemory |
-                MiniDumpWithUnloadedModules |
-                MiniDumpWithThreadInfo;
-
-        if (MiniDumpWriteDump(GetCurrentProcess(),
-                               GetCurrentProcessId(),
-                               dumpHandle,
-                               (MINIDUMP_TYPE)typeFlags,
-                               &info,
-                               nullptr,
-                               nullptr)) {
-            qCritical() << "Unhandled exception! Minidump written to:" << qDmpFileName;
-        }
-        else {
-            qCritical() << "Unhandled exception! Failed to write dump:" << GetLastError();
-        }
-
-        CloseHandle(dumpHandle);
-    }
-    else {
-        qCritical() << "Unhandled exception! Failed to open dump file:" << qDmpFileName << "with error" << GetLastError();
-    }
-
-    // Let the program crash and WER collect a dump
-    return EXCEPTION_CONTINUE_SEARCH;
-}
-
-#endif
-
 int main(int argc, char *argv[])
 {
-    // Set these here to allow us to use the default QSettings constructor.
-    // These also ensure that our cache directory is named correctly. As such,
-    // it is critical that these be called before Path::initialize().
-    QCoreApplication::setOrganizationName("Moonlight Game Streaming Project");
-    QCoreApplication::setOrganizationDomain("moonlight-stream.com");
-    QCoreApplication::setApplicationName("Moonlight");
-
-    if (QFile(QDir::currentPath() + "/portable.dat").exists()) {
-        qInfo() << "Running in portable mode from:" << QDir::currentPath();
-        QSettings::setDefaultFormat(QSettings::IniFormat);
-        QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, QDir::currentPath());
-        QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope, QDir::currentPath());
-
-        // Initialize paths for portable mode
-        Path::initialize(true);
-    }
-    else {
-        // Initialize paths for standard installation
-        Path::initialize(false);
-    }
-
-#ifdef USE_CUSTOM_LOGGER
-#ifdef LOG_TO_FILE
-    QDir tempDir(Path::getLogDir());
-    s_LoggerFile = new QFile(tempDir.filePath(QString("Moonlight-%1.log").arg(QDateTime::currentSecsSinceEpoch())));
-    if (s_LoggerFile->open(QIODevice::WriteOnly)) {
-        qInfo() << "Redirecting log output to " << s_LoggerFile->fileName();
-        s_LoggerStream.setDevice(s_LoggerFile);
-    }
-#endif
-
-    s_LoggerTime.start();
-    qInstallMessageHandler(qtLogToDiskHandler);
-    SDL_LogSetOutputFunction(sdlLogToDiskHandler, nullptr);
-
-#ifdef HAVE_FFMPEG
-    av_log_set_callback(ffmpegLogToDiskHandler);
-#endif
-
-#endif
-
-#ifdef Q_OS_WIN32
-    // Create a crash dump when we crash on Windows
-    SetUnhandledExceptionFilter(UnhandledExceptionHandler);
-#endif
-
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     // This avoids using the default keychain for SSL, which may cause
     // password prompts on macOS.
     qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", QByteArray("1"));
 
-#ifdef Q_OS_WIN32
+    // Set these here to allow us to use the default QSettings constructor
-    // On Windows, use ANGLE so we don't have to load both DX and OGL
+    QCoreApplication::setOrganizationName("Moonlight Game Streaming Project");
-    // user-mode drivers into our app.
+    QCoreApplication::setOrganizationDomain("moonlight-stream.com");
-    qputenv("QT_OPENGL", "angle");
+    QCoreApplication::setApplicationName("Moonlight");
-#endif
 
     // Register custom metatypes for use in signals
     qRegisterMetaType<NvApp>("NvApp");
@@ -288,11 +44,6 @@ int main(int argc, char *argv[])
                                               [](QQmlEngine*, QJSEngine*) -> QObject* {
                                                   return new ComputerManager();
                                               });
-    qmlRegisterSingletonType<AutoUpdateChecker>("AutoUpdateChecker", 1, 0,
-                                                "AutoUpdateChecker",
-                                                [](QQmlEngine*, QJSEngine*) -> QObject* {
-                                                    return new AutoUpdateChecker();
-                                                });
 
     QQuickStyle::setStyle("Material");
 
@@ -302,18 +53,17 @@ int main(int argc, char *argv[])
     if (engine.rootObjects().isEmpty())
         return -1;
 
+    // Ensure that SDL is always initialized since we may need to use it
+    // for non-streaming purposes (like checking on audio devices)
     SDL_SetMainReady();
-    if (SDL_Init(0) != 0) {
+    if (SDL_Init(SDL_INIT_VIDEO |
+                 SDL_INIT_AUDIO |
+                 SDL_INIT_GAMECONTROLLER) != 0) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "SDL_Init() failed: %s",
                      SDL_GetError());
     }
 
-    // Avoid the default behavior of changing the timer resolution to 1 ms.
-    // We don't want this all the time that Moonlight is open. We will set
-    // it manually when we start streaming.
-    SDL_SetHint(SDL_HINT_TIMER_RESOLUTION, "0");
-
     int err = app.exec();
 
     SDL_Quit();

app/path.cpp

@@ -1,39 +0,0 @@
-#include "path.h"
-
-#include <QtDebug>
-#include <QDir>
-#include <QStandardPaths>
-#include <QSettings>
-
-QString Path::s_LogDir;
-QString Path::s_BoxArtCacheDir;
-
-QString Path::getLogDir()
-{
-    Q_ASSERT(!s_LogDir.isEmpty());
-    return s_LogDir;
-}
-
-QString Path::getBoxArtCacheDir()
-{
-    Q_ASSERT(!s_BoxArtCacheDir.isEmpty());
-    return s_BoxArtCacheDir;
-}
-
-void Path::initialize(bool portable)
-{
-    if (portable) {
-        s_LogDir = QDir::currentPath();
-        s_BoxArtCacheDir = QDir::currentPath() + "/boxart";
-    }
-    else {
-#ifdef Q_OS_DARWIN
-        // On macOS, $TMPDIR is some random folder under /var/folders/ that nobody can
-        // easily find, so use the system's global tmp directory instead.
-        s_LogDir = "/tmp";
-#else
-        s_LogDir = QDir::tempPath();
-#endif
-        s_BoxArtCacheDir = QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/boxart";
-    }
-}

app/path.h

@@ -1,17 +0,0 @@
-#pragma once
-
-#include <QString>
-
-class Path
-{
-public:
-    static QString getLogDir();
-
-    static QString getBoxArtCacheDir();
-
-    static void initialize(bool portable);
-
-private:
-    static QString s_LogDir;
-    static QString s_BoxArtCacheDir;
-};

app/qml.qrc

@@ -6,6 +6,5 @@
         <file>gui/SettingsView.qml</file>
         <file>gui/StreamSegue.qml</file>
         <file>gui/GamepadMapper.qml</file>
-        <file>gui/QuitSegue.qml</file>
     </qresource>
 </RCC>

app/res/baseline-lock-24px.svg

@@ -1,4 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="#FFFFFF" width="24" height="24" viewBox="0 0 24 24">
-    <path d="M0 0h24v24H0z" fill="none"/>
-    <path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z"/>
-</svg>

app/res/baseline-play_circle_filled_white-48px.svg

@@ -1,4 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48" fill="#fff">
-    <path d="M0 0h48v48H0z" fill="none"/>
-    <path d="M24 4C12.95 4 4 12.95 4 24s8.95 20 20 20 20-8.95 20-20S35.05 4 24 4zm-4 29V15l12 9-12 9z"/>
-</svg>

app/res/baseline-warning-24px.svg

@@ -1,4 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="#FFFFFF" width="24" height="24" viewBox="0 0 24 24">
-    <path d="M0 0h24v24H0z" fill="none"/>
-    <path d="M1 21h22L12 2 1 21zm12-3h-2v-2h2v2zm0-4h-2v-4h2v4z"/>
-</svg>

app/res/moonlight.svg

@@ -1,69 +1,23 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" version="1.0">
-<svg
+  <defs>
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
+    <filter id="f1" y="-40%" width="120%" height="220%">
-   xmlns:cc="http://creativecommons.org/ns#"
+      <feOffset xmlns="http://www.w3.org/2000/svg" result="offOut" in="SourceAlpha" dy="-100"/>
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+      <feGaussianBlur result="blurOut" in="offOut" stdDeviation="200"/>
-   xmlns:svg="http://www.w3.org/2000/svg"
+      <feBlend in="SourceGraphic" in2="blurOut" mode="normal"/>
-   xmlns="http://www.w3.org/2000/svg"
+    </filter>
-   id="svg3761"
+  </defs>
-   viewBox="0 0 680 680"
+  <!-- -105, 521 are within 0.5 pixel-perfect -->
-   height="680"
+  <!-- offsetting more to show shadow -->
-   width="680"
+  <g transform="translate(-95,530) scale(0.100000,-0.100000)" filter="url(#f1)">
-   version="1.0">
+    <circle cx="4755" cy="1505" r="3700" fill="#565C64">
-  <metadata
+     </circle>
-     id="metadata3767">
+    <path d="M4550 4230 c-582 -48 -1123 -271 -1568 -646 l-84 -70 869 -869 c477 -477 871 -868 876 -868 4 0 6 552 5 1228 l-3 1227 -25 1 c-14 0 -45 -1 -70 -3z" style="fill:#ffffff"/>
-    <rdf:RDF>
+    <path xmlns="http://www.w3.org/2000/svg" d="M4867 4230 c-10 -9 -9 -2453 1 -2453 4 0 398 391 875 868 l869 869 -84 70 c-344 290 -749 492 -1178 587 -166 36 -469 74 -483 59z" style="fill:#ffffff"/>
-      <cc:Work
+    <path d="M2673 3275 c-241 -285 -412 -595 -526 -953 -63 -196 -111 -458 -119 -640 l-3 -70 1228 -3 c675 -1 1227 1 1227 5 0 5 -391 399 -868 876 l-869 869 -70 -84z" style="fill:#ffffff"/>
-         rdf:about="">
+    <path d="M5898 2490 c-478 -477 -868 -871 -868 -876 0 -4 552 -6 1228 -5 l1227 3 -3 70 c-14 326 -124 729 -287 1055 -91 182 -259 430 -387 573 l-43 48 -867 -868z" style="fill:#ffffff"/>
-        <dc:format>image/svg+xml</dc:format>
+    <path d="M2026 1388 c-7 -11 10 -198 30 -321 76 -486 291 -952 617 -1338 l70 -84 869 869 c477 477 868 871 868 875 0 11 -2448 10 -2454 -1z" style="fill:#ffffff"/>
-        <dc:type
+    <path d="M5030 1390 c0 -5 391 -399 868 -876 l869 -869 70 84 c241 285 412 595 526 953 63 196 111 458 119 640 l3 70 -1227 3 c-676 1 -1228 -1 -1228 -5z" style="fill:#ffffff"/>
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+    <path d="M3767 359 l-869 -869 84 -70 c285 -241 595 -412 953 -526 196 -63 458 -111 640 -119 l70 -3 3 1228 c1 675 -1 1227 -5 1227 -5 0 -399 -391 -876 -868z" style="fill:#ffffff"/>
-        <dc:title></dc:title>
+    <path d="M4862 0 l3 -1228 70 3 c182 8 444 56 640 119 358 114 668 285 953 526 l84 70 -869 869 c-477 477 -871 868 -876 868 -4 0 -6 -552 -5 -1227z" style="fill:#ffffff"/>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <defs
-     id="defs3765" />
-  <g
-     id="g3759"
-     transform="translate(-135,491) scale(0.100000,-0.100000)">
-    <circle
-       id="circle3741"
-       fill="#565C64"
-       r="3400"
-       cy="1505"
-       cx="4755" />
-    <path
-       id="path3743"
-       style="fill:#ffffff"
-       d="M4550 4230 c-582 -48 -1123 -271 -1568 -646 l-84 -70 869 -869 c477 -477 871 -868 876 -868 4 0 6 552 5 1228 l-3 1227 -25 1 c-14 0 -45 -1 -70 -3z" />
-    <path
-       id="path3745"
-       style="fill:#ffffff"
-       d="M4867 4230 c-10 -9 -9 -2453 1 -2453 4 0 398 391 875 868 l869 869 -84 70 c-344 290 -749 492 -1178 587 -166 36 -469 74 -483 59z" />
-    <path
-       id="path3747"
-       style="fill:#ffffff"
-       d="M2673 3275 c-241 -285 -412 -595 -526 -953 -63 -196 -111 -458 -119 -640 l-3 -70 1228 -3 c675 -1 1227 1 1227 5 0 5 -391 399 -868 876 l-869 869 -70 -84z" />
-    <path
-       id="path3749"
-       style="fill:#ffffff"
-       d="M5898 2490 c-478 -477 -868 -871 -868 -876 0 -4 552 -6 1228 -5 l1227 3 -3 70 c-14 326 -124 729 -287 1055 -91 182 -259 430 -387 573 l-43 48 -867 -868z" />
-    <path
-       id="path3751"
-       style="fill:#ffffff"
-       d="M2026 1388 c-7 -11 10 -198 30 -321 76 -486 291 -952 617 -1338 l70 -84 869 869 c477 477 868 871 868 875 0 11 -2448 10 -2454 -1z" />
-    <path
-       id="path3753"
-       style="fill:#ffffff"
-       d="M5030 1390 c0 -5 391 -399 868 -876 l869 -869 70 84 c241 285 412 595 526 953 63 196 111 458 119 640 l3 70 -1227 3 c-676 1 -1228 -1 -1228 -5z" />
-    <path
-       id="path3755"
-       style="fill:#ffffff"
-       d="M3767 359 l-869 -869 84 -70 c285 -241 595 -412 953 -526 196 -63 458 -111 640 -119 l70 -3 3 1228 c1 675 -1 1227 -5 1227 -5 0 -399 -391 -876 -868z" />
-    <path
-       id="path3757"
-       style="fill:#ffffff"
-       d="M4862 0 l3 -1228 70 3 c182 8 444 56 640 119 358 114 668 285 953 526 l84 70 -869 869 c-477 477 -871 868 -876 868 -4 0 -6 -552 -5 -1227z" />
   </g>
 </svg>

app/res/update.svg

@@ -1,3 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" viewBox="0 0 24 24" fill="#0BF200">
-    <path d="M21,10.12H14.22L16.96,7.3C14.23,4.6 9.81,4.5 7.08,7.2C4.35,9.91 4.35,14.28 7.08,17C9.81,19.7 14.23,19.7 16.96,17C18.32,15.65 19,14.08 19,12.1H21C21,14.08 20.12,16.65 18.36,18.39C14.85,21.87 9.15,21.87 5.64,18.39C2.14,14.92 2.11,9.28 5.62,5.81C9.13,2.34 14.76,2.34 18.27,5.81L21,3V10.12M12.5,8V12.25L16,14.33L15.28,15.54L11,13V8H12.5Z" />
-</svg>

app/resources.qrc

@@ -5,14 +5,10 @@
         <file>res/ic_videogame_asset_white_48px.svg</file>
         <file>res/ic_tv_white_48px.svg</file>
         <file>res/ic_add_to_queue_white_48px.svg</file>
-        <file>res/baseline-lock-24px.svg</file>
-        <file>res/baseline-play_circle_filled_white-48px.svg</file>
-        <file>res/baseline-warning-24px.svg</file>
         <file>res/no_app_image.png</file>
         <file>res/settings.svg</file>
         <file>res/arrow_left.svg</file>
         <file>res/question_mark.svg</file>
         <file>res/moonlight.svg</file>
-        <file>res/update.svg</file>
     </qresource>
 </RCC>

app/settings/streamingpreferences.cpp

@@ -1,6 +1,4 @@
 #include "streamingpreferences.h"
-#include "streaming/session.hpp"
-#include "streaming/streamutils.h"
 
 #include <QSettings>
 
@@ -10,15 +8,12 @@
 #define SER_FPS "fps"
 #define SER_BITRATE "bitrate"
 #define SER_FULLSCREEN "fullscreen"
-#define SER_VSYNC "vsync"
 #define SER_GAMEOPTS "gameopts"
 #define SER_HOSTAUDIO "hostaudio"
 #define SER_MULTICONT "multicontroller"
 #define SER_AUDIOCFG "audiocfg"
 #define SER_VIDEOCFG "videocfg"
 #define SER_VIDEODEC "videodec"
-#define SER_WINDOWMODE "windowmode"
-#define SER_UNSUPPORTEDFPS "unsupportedfps"
 
 StreamingPreferences::StreamingPreferences()
 {
@@ -33,21 +28,16 @@ void StreamingPreferences::reload()
     height = settings.value(SER_HEIGHT, 720).toInt();
     fps = settings.value(SER_FPS, 60).toInt();
     bitrateKbps = settings.value(SER_BITRATE, getDefaultBitrate(width, height, fps)).toInt();
-    enableVsync = settings.value(SER_VSYNC, true).toBool();
+    fullScreen = settings.value(SER_FULLSCREEN, true).toBool();
     gameOptimizations = settings.value(SER_GAMEOPTS, true).toBool();
     playAudioOnHost = settings.value(SER_HOSTAUDIO, false).toBool();
     multiController = settings.value(SER_MULTICONT, true).toBool();
-    unsupportedFps = settings.value(SER_UNSUPPORTEDFPS, false).toBool();
     audioConfig = static_cast<AudioConfig>(settings.value(SER_AUDIOCFG,
-                                                  static_cast<int>(AudioConfig::AC_FORCE_STEREO)).toInt());
+                                                  static_cast<int>(AudioConfig::AC_AUTO)).toInt());
     videoCodecConfig = static_cast<VideoCodecConfig>(settings.value(SER_VIDEOCFG,
                                                   static_cast<int>(VideoCodecConfig::VCC_AUTO)).toInt());
     videoDecoderSelection = static_cast<VideoDecoderSelection>(settings.value(SER_VIDEODEC,
                                                   static_cast<int>(VideoDecoderSelection::VDS_AUTO)).toInt());
-    windowMode = static_cast<WindowMode>(settings.value(SER_WINDOWMODE,
-                                                        // Try to load from the old preference value too
-                                                        static_cast<int>(settings.value(SER_FULLSCREEN, true).toBool() ?
-                                                                             WindowMode::WM_FULLSCREEN : WindowMode::WM_WINDOWED)).toInt());
 }
 
 void StreamingPreferences::save()
@@ -58,144 +48,33 @@ void StreamingPreferences::save()
     settings.setValue(SER_HEIGHT, height);
     settings.setValue(SER_FPS, fps);
     settings.setValue(SER_BITRATE, bitrateKbps);
-    settings.setValue(SER_VSYNC, enableVsync);
+    settings.setValue(SER_FULLSCREEN, fullScreen);
     settings.setValue(SER_GAMEOPTS, gameOptimizations);
     settings.setValue(SER_HOSTAUDIO, playAudioOnHost);
     settings.setValue(SER_MULTICONT, multiController);
-    settings.setValue(SER_UNSUPPORTEDFPS, unsupportedFps);
     settings.setValue(SER_AUDIOCFG, static_cast<int>(audioConfig));
     settings.setValue(SER_VIDEOCFG, static_cast<int>(videoCodecConfig));
     settings.setValue(SER_VIDEODEC, static_cast<int>(videoDecoderSelection));
-    settings.setValue(SER_WINDOWMODE, static_cast<int>(windowMode));
-}
-
-bool StreamingPreferences::hasAnyHardwareAcceleration()
-{
-    // Always use VDS_AUTO to avoid spamming the user with warnings
-    // if they've forced software decoding.
-    return Session::isHardwareDecodeAvailable(VDS_AUTO,
-                                              VIDEO_FORMAT_H264,
-                                              1920, 1080, 60);
-}
-
-bool StreamingPreferences::isRunningWayland()
-{
-    return qgetenv("XDG_SESSION_TYPE") == QByteArray("wayland");
-}
-
-int StreamingPreferences::getMaximumStreamingFrameRate()
-{
-    // Never let the maximum drop below 60 FPS
-    int maxFrameRate = 60;
-
-    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
-                     SDL_GetError());
-        return maxFrameRate;
-    }
-
-    SDL_DisplayMode mode, bestMode, desktopMode;
-    for (int displayIndex = 0; displayIndex < SDL_GetNumVideoDisplays(); displayIndex++) {
-        // Get the native desktop resolution
-        if (StreamUtils::getRealDesktopMode(displayIndex, &desktopMode)) {
-
-            // Start at desktop mode and work our way up
-            bestMode = desktopMode;
-            for (int i = 0; i < SDL_GetNumDisplayModes(displayIndex); i++) {
-                if (SDL_GetDisplayMode(displayIndex, i, &mode) == 0) {
-                    if (mode.w == desktopMode.w && mode.h == desktopMode.h) {
-                        if (mode.refresh_rate > bestMode.refresh_rate) {
-                            bestMode = mode;
-                        }
-                    }
-                }
-            }
-
-            // Cap the frame rate at 120 FPS. Past this, the encoders start
-            // to max out and drop frames.
-            maxFrameRate = qMax(maxFrameRate, qMin(120, bestMode.refresh_rate));
-        }
-    }
-
-    SDL_QuitSubSystem(SDL_INIT_VIDEO);
-
-    return maxFrameRate;
-}
-
-QRect StreamingPreferences::getDesktopResolution(int displayIndex)
-{
-    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
-                     SDL_GetError());
-        return QRect();
-    }
-
-    if (displayIndex >= SDL_GetNumVideoDisplays()) {
-        SDL_QuitSubSystem(SDL_INIT_VIDEO);
-        return QRect();
-    }
-
-    SDL_DisplayMode mode;
-    int err = SDL_GetDesktopDisplayMode(displayIndex, &mode);
-    SDL_QuitSubSystem(SDL_INIT_VIDEO);
-
-    if (err == 0) {
-        return QRect(0, 0, mode.w, mode.h);
-    }
-    else {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_GetDesktopDisplayMode() failed: %s",
-                     SDL_GetError());
-        return QRect();
-    }
-}
-
-QRect StreamingPreferences::getNativeResolution(int displayIndex)
-{
-    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
-                     SDL_GetError());
-        return QRect();
-    }
-
-    if (displayIndex >= SDL_GetNumVideoDisplays()) {
-        SDL_QuitSubSystem(SDL_INIT_VIDEO);
-        return QRect();
-    }
-
-    SDL_DisplayMode mode;
-    bool success = StreamUtils::getRealDesktopMode(displayIndex, &mode);
-    SDL_QuitSubSystem(SDL_INIT_VIDEO);
-
-    if (success) {
-        return QRect(0, 0, mode.w, mode.h);
-    }
-    else {
-        return QRect();
-    }
 }
 
 int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
 {
-    // This table prefers 16:10 resolutions because they are
+    if (width * height * fps <=  1280 * 720 * 30) {
-    // only slightly more pixels than the 16:9 equivalents, so
+        return 5000;
-    // we don't want to bump those 16:10 resolutions up to the
-    // next 16:9 slot.
-
-    // This covers 1280x720 and 1280x800 too
-    if (width * height <= 1366 * 768) {
-        return static_cast<int>(5000 * (fps / 30.0));
     }
-    else if (width * height <= 1920 * 1200) {
+    else if (width * height * fps <= 1280 * 720 * 60) {
-        return static_cast<int>(10000 * (fps / 30.0));
+        return 10000;
     }
-    else if (width * height <= 2560 * 1600) {
+    else if (width * height * fps <= 1920 * 1080 * 30) {
-        return static_cast<int>(20000 * (fps / 30.0));
+        return 10000;
     }
-    else /* if (width * height <= 3840 * 2160) */ {
+    else if (width * height * fps <= 1920 * 1080 * 60) {
-        return static_cast<int>(40000 * (fps / 30.0));
+        return 20000;
+    }
+    else if (width * height * fps <= 3840 * 2160 * 30) {
+        return 40000;
+    }
+    else /* if (width * height * fps <= 3840 * 2160 * 60) */ {
+        return 80000;
     }
 }

app/settings/streamingpreferences.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <QObject>
-#include <QRect>
 
 class StreamingPreferences : public QObject
 {
@@ -15,16 +14,6 @@ public:
 
     Q_INVOKABLE void save();
 
-    Q_INVOKABLE static bool hasAnyHardwareAcceleration();
-
-    Q_INVOKABLE static bool isRunningWayland();
-
-    Q_INVOKABLE static int getMaximumStreamingFrameRate();
-
-    Q_INVOKABLE QRect getDesktopResolution(int displayIndex);
-
-    Q_INVOKABLE QRect getNativeResolution(int displayIndex);
-
     void reload();
 
     enum AudioConfig
@@ -52,54 +41,40 @@ public:
     };
     Q_ENUM(VideoDecoderSelection)
 
-    enum WindowMode
-    {
-        WM_FULLSCREEN,
-        WM_FULLSCREEN_DESKTOP,
-        WM_WINDOWED
-    };
-    Q_ENUM(WindowMode)
-
     Q_PROPERTY(int width MEMBER width NOTIFY displayModeChanged)
     Q_PROPERTY(int height MEMBER height NOTIFY displayModeChanged)
     Q_PROPERTY(int fps MEMBER fps NOTIFY displayModeChanged)
     Q_PROPERTY(int bitrateKbps MEMBER bitrateKbps NOTIFY bitrateChanged)
-    Q_PROPERTY(bool enableVsync MEMBER enableVsync NOTIFY enableVsyncChanged)
+    Q_PROPERTY(bool fullScreen MEMBER fullScreen NOTIFY fullScreenChanged)
     Q_PROPERTY(bool gameOptimizations MEMBER gameOptimizations NOTIFY gameOptimizationsChanged)
     Q_PROPERTY(bool playAudioOnHost MEMBER playAudioOnHost NOTIFY playAudioOnHostChanged)
     Q_PROPERTY(bool multiController MEMBER multiController NOTIFY multiControllerChanged)
-    Q_PROPERTY(bool unsupportedFps MEMBER unsupportedFps NOTIFY unsupportedFpsChanged)
     Q_PROPERTY(AudioConfig audioConfig MEMBER audioConfig NOTIFY audioConfigChanged)
     Q_PROPERTY(VideoCodecConfig videoCodecConfig MEMBER videoCodecConfig NOTIFY videoCodecConfigChanged)
     Q_PROPERTY(VideoDecoderSelection videoDecoderSelection MEMBER videoDecoderSelection NOTIFY videoDecoderSelectionChanged)
-    Q_PROPERTY(WindowMode windowMode MEMBER windowMode NOTIFY windowModeChanged)
 
     // Directly accessible members for preferences
     int width;
     int height;
     int fps;
     int bitrateKbps;
-    bool enableVsync;
+    bool fullScreen;
     bool gameOptimizations;
     bool playAudioOnHost;
     bool multiController;
-    bool unsupportedFps;
     AudioConfig audioConfig;
     VideoCodecConfig videoCodecConfig;
     VideoDecoderSelection videoDecoderSelection;
-    WindowMode windowMode;
 
 signals:
     void displayModeChanged();
     void bitrateChanged();
-    void enableVsyncChanged();
+    void fullScreenChanged();
     void gameOptimizationsChanged();
     void playAudioOnHostChanged();
     void multiControllerChanged();
-    void unsupportedFpsChanged();
     void audioConfigChanged();
     void videoCodecConfigChanged();
     void videoDecoderSelectionChanged();
-    void windowModeChanged();
 };
 

app/streaming/audio.cpp

@@ -23,14 +23,6 @@ int Session::sdlDetermineAudioConfiguration()
 {
     SDL_AudioSpec want, have;
     SDL_AudioDeviceID dev;
-    int ret;
-
-    if (SDL_InitSubSystem(SDL_INIT_AUDIO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_AUDIO) failed: %s",
-                     SDL_GetError());
-        return AUDIO_CONFIGURATION_STEREO;
-    }
 
     SDL_zero(want);
     want.freq = 48000;
@@ -46,8 +38,7 @@ int Session::sdlDetermineAudioConfiguration()
                      "Failed to open audio device");
         // We'll probably have issues during audio stream init, but we'll
         // try anyway
-        ret = AUDIO_CONFIGURATION_STEREO;
+        return AUDIO_CONFIGURATION_STEREO;
-        goto Exit;
     }
 
     SDL_CloseAudioDevice(dev);
@@ -59,69 +50,11 @@ int Session::sdlDetermineAudioConfiguration()
         // We don't support quadraphonic or 7.1 surround, but SDL
         // should be able to downmix or upmix better from 5.1 than
         // from stereo, so use 5.1 in non-stereo cases.
-        ret = AUDIO_CONFIGURATION_51_SURROUND;
+        return AUDIO_CONFIGURATION_51_SURROUND;
     }
     else {
-        ret = AUDIO_CONFIGURATION_STEREO;
+        return AUDIO_CONFIGURATION_STEREO;
     }
-
-Exit:
-    SDL_QuitSubSystem(SDL_INIT_AUDIO);
-    return ret;
-}
-
-bool Session::testAudio(int audioConfiguration)
-{
-    SDL_AudioSpec want, have;
-    SDL_AudioDeviceID dev;
-    bool ret;
-
-    if (SDL_InitSubSystem(SDL_INIT_AUDIO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Audio test - SDL_InitSubSystem(SDL_INIT_AUDIO) failed: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    SDL_zero(want);
-    want.freq = 48000;
-    want.format = AUDIO_S16;
-    want.samples = SAMPLES_PER_FRAME;
-
-    switch (audioConfiguration) {
-    case AUDIO_CONFIGURATION_STEREO:
-        want.channels = 2;
-        break;
-    case AUDIO_CONFIGURATION_51_SURROUND:
-        want.channels = 6;
-        break;
-    default:
-        SDL_assert(false);
-        ret = false;
-        goto Exit;
-    }
-
-    // Test audio device for functionality
-    dev = SDL_OpenAudioDevice(NULL, 0, &want, &have, 0);
-    if (dev == 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Audio test - Failed to open audio device: %s",
-                     SDL_GetError());
-        ret = false;
-        goto Exit;
-    }
-
-    SDL_CloseAudioDevice(dev);
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Audio test - Successful with %d channels",
-                want.channels);
-
-    ret = true;
-
-Exit:
-    SDL_QuitSubSystem(SDL_INIT_AUDIO);
-    return ret;
 }
 
 int Session::sdlAudioInit(int /* audioConfiguration */,
@@ -131,14 +64,6 @@ int Session::sdlAudioInit(int /* audioConfiguration */,
     SDL_AudioSpec want, have;
     int error;
 
-    SDL_assert(!SDL_WasInit(SDL_INIT_AUDIO));
-    if (SDL_InitSubSystem(SDL_INIT_AUDIO) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_AUDIO) failed: %s",
-                     SDL_GetError());
-        return -1;
-    }
-
     SDL_zero(want);
     want.freq = opusConfig->sampleRate;
     want.format = AUDIO_S16;
@@ -155,7 +80,6 @@ int Session::sdlAudioInit(int /* audioConfiguration */,
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "Failed to open audio device: %s",
                      SDL_GetError());
-        SDL_QuitSubSystem(SDL_INIT_AUDIO);
         return -1;
     }
 
@@ -171,7 +95,6 @@ int Session::sdlAudioInit(int /* audioConfiguration */,
                      error);
         SDL_CloseAudioDevice(s_AudioDevice);
         s_AudioDevice = 0;
-        SDL_QuitSubSystem(SDL_INIT_AUDIO);
         return -2;
     }
 
@@ -181,7 +104,7 @@ int Session::sdlAudioInit(int /* audioConfiguration */,
     // pending data count. Get a baseline so we
     // can exclude that data.
     s_BaselinePendingData = 0;
-#ifdef Q_OS_WIN32
+#ifdef _WIN32
     for (int i = 0; i < 100; i++) {
         s_BaselinePendingData = qMax(s_BaselinePendingData, SDL_GetQueuedAudioSize(s_AudioDevice));
         SDL_Delay(10);
@@ -196,10 +119,6 @@ int Session::sdlAudioInit(int /* audioConfiguration */,
     s_SampleIndex = 0;
     s_PendingDrops = s_PendingHardDrops = 0;
 
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Audio stream has %d channels",
-                opusConfig->channelCount);
-
     return 0;
 }
 
@@ -221,10 +140,7 @@ void Session::sdlAudioCleanup()
     s_AudioDevice = 0;
 
     opus_multistream_decoder_destroy(s_OpusDecoder);
-    s_OpusDecoder = nullptr;
+    s_OpusDecoder = NULL;
-
-    SDL_QuitSubSystem(SDL_INIT_AUDIO);
-    SDL_assert(!SDL_WasInit(SDL_INIT_AUDIO));
 }
 
 void Session::sdlAudioDecodeAndPlaySample(char* sampleData, int sampleLength)
@@ -236,13 +152,8 @@ void Session::sdlAudioDecodeAndPlaySample(char* sampleData, int sampleLength)
     Uint32 queuedAudio = qMax((int)SDL_GetQueuedAudioSize(s_AudioDevice) - (int)s_BaselinePendingData, 0);
     Uint32 framesQueued = queuedAudio / (SAMPLES_PER_FRAME * s_ChannelCount * sizeof(short));
 
-    // We must check this prior to the below checks to ensure we don't
-    // underflow if framesQueued - s_PendingHardDrops < 0.
-    if (framesQueued <= MIN_QUEUED_FRAMES) {
-        s_PendingDrops = s_PendingHardDrops = 0;
-    }
     // Pend enough drops to get us back to MIN_QUEUED_FRAMES
-    else if (framesQueued - s_PendingHardDrops > STOP_THE_WORLD_LIMIT) {
+    if (framesQueued - s_PendingHardDrops > STOP_THE_WORLD_LIMIT) {
         s_PendingHardDrops = framesQueued - MIN_QUEUED_FRAMES;
         SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
                     "Pending hard drop of %u audio frames",
@@ -253,7 +164,10 @@ void Session::sdlAudioDecodeAndPlaySample(char* sampleData, int sampleLength)
     }
 
     // Determine if this frame should be dropped
-    if (s_PendingHardDrops != 0) {
+    if (framesQueued <= MIN_QUEUED_FRAMES) {
+        s_PendingDrops = s_PendingHardDrops = 0;
+    }
+    else if (s_PendingHardDrops != 0) {
         // Hard drops happen all at once to forcefully
         // resync with the source.
         s_PendingHardDrops--;

app/streaming/input.cpp

@@ -2,8 +2,6 @@
 #include <SDL.h>
 #include "streaming/session.hpp"
 
-#include <QtGlobal>
-
 #define VK_0 0x30
 #define VK_A 0x41
 
@@ -11,7 +9,7 @@
 #ifndef VK_F1
 #define VK_F1 0x70
 #define VK_F13 0x7C
-#define VK_NUMPAD0 0x60
+#define VK_NUMPAD1 0x61
 #endif
 
 const int SdlInputHandler::k_ButtonMap[] = {
@@ -23,29 +21,12 @@ const int SdlInputHandler::k_ButtonMap[] = {
 };
 
 SdlInputHandler::SdlInputHandler(bool multiController)
-    : m_LastMouseMotionTime(0),
+    : m_MultiController(multiController)
-      m_MultiController(multiController)
 {
-    // Allow gamepad input when the app doesn't have focus
-    SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
-
-    // We need to reinit this each time, since you only get
-    // an initial set of gamepad arrival events once per init.
-    SDL_assert(!SDL_WasInit(SDL_INIT_GAMECONTROLLER));
-    if (SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER) failed: %s",
-                     SDL_GetError());
-    }
-
     if (!m_MultiController) {
         // Player 1 is always present in non-MC mode
         m_GamepadMask = 0x1;
     }
-    else {
-        // Otherwise, detect gamepads on the fly
-        m_GamepadMask = 0;
-    }
 
     SDL_zero(m_GamepadState);
 }
@@ -57,9 +38,6 @@ SdlInputHandler::~SdlInputHandler()
             SDL_GameControllerClose(m_GamepadState[i].controller);
         }
     }
-
-    SDL_QuitSubSystem(SDL_INIT_GAMECONTROLLER);
-    SDL_assert(!SDL_WasInit(SDL_INIT_GAMECONTROLLER));
 }
 
 void SdlInputHandler::handleKeyEvent(SDL_KeyboardEvent* event)
@@ -73,6 +51,11 @@ void SdlInputHandler::handleKeyEvent(SDL_KeyboardEvent* event)
             (event->keysym.mod & KMOD_ALT) &&
             (event->keysym.mod & KMOD_SHIFT)) {
 
+        // Check for quit combo (Ctrl+Alt+Shift+Q)
+        if (event->keysym.sym == SDLK_q) {
+            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                        "Detected quit key combo");
+
             // Force raise all keys in the combo to avoid
             // leaving them down after disconnecting
             LiSendKeyboardEvent(0xA0, KEY_ACTION_UP, 0);
@@ -82,17 +65,12 @@ void SdlInputHandler::handleKeyEvent(SDL_KeyboardEvent* event)
             LiSendKeyboardEvent(0xA4, KEY_ACTION_UP, 0);
             LiSendKeyboardEvent(0xA5, KEY_ACTION_UP, 0);
 
-        // Check for quit combo (Ctrl+Alt+Shift+Q)
-        if (event->keysym.sym == SDLK_q) {
-            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                        "Detected quit key combo");
-
-            // Uncapture the mouse to avoid processing any
-            // further keyboard input
-            SDL_SetRelativeMouseMode(SDL_FALSE);
-
             SDL_Event event;
 
+            // Drain the event queue of any additional input
+            // that might be processed before our quit message.
+            while (SDL_PollEvent(&event));
+
             // Push a quit event to the main loop
             event.type = SDL_QUIT;
             event.quit.timestamp = SDL_GetTicks();
@@ -110,7 +88,12 @@ void SdlInputHandler::handleKeyEvent(SDL_KeyboardEvent* event)
         else if (event->keysym.sym == SDLK_x) {
             SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
                         "Detected full-screen toggle combo");
-            Session::s_ActiveSession->toggleFullscreen();
+            if (SDL_GetWindowFlags(Session::s_ActiveSession->m_Window) & SDL_WINDOW_FULLSCREEN) {
+                SDL_SetWindowFullscreen(Session::s_ActiveSession->m_Window, 0);
+            }
+            else {
+                SDL_SetWindowFullscreen(Session::s_ActiveSession->m_Window, SDL_WINDOW_FULLSCREEN);
+            }
             return;
         }
     }
@@ -132,206 +115,195 @@ void SdlInputHandler::handleKeyEvent(SDL_KeyboardEvent* event)
         modifiers |= MODIFIER_SHIFT;
     }
 
-    // Set keycode. We explicitly use scancode here because GFE will try to correct
+    // Set keycode
-    // for AZERTY layouts on the host but it depends on receiving VK_ values matching
+    if (event->keysym.sym >= SDLK_0 && event->keysym.sym <= SDLK_9) {
-    // a QWERTY layout to work.
+        keyCode = (event->keysym.sym - SDLK_0) + VK_0;
-    if (event->keysym.scancode >= SDL_SCANCODE_1 && event->keysym.scancode <= SDL_SCANCODE_9) {
-        // SDL defines SDL_SCANCODE_0 > SDL_SCANCODE_9, so we need to handle that manually
-        keyCode = (event->keysym.scancode - SDL_SCANCODE_1) + VK_0 + 1;
     }
-    else if (event->keysym.scancode >= SDL_SCANCODE_A && event->keysym.scancode <= SDL_SCANCODE_Z) {
+    else if (event->keysym.sym >= SDLK_a && event->keysym.sym <= SDLK_z) {
-        keyCode = (event->keysym.scancode - SDL_SCANCODE_A) + VK_A;
+        keyCode = (event->keysym.sym - SDLK_a) + VK_A;
     }
-    else if (event->keysym.scancode >= SDL_SCANCODE_F1 && event->keysym.scancode <= SDL_SCANCODE_F12) {
+    else if (event->keysym.sym >= SDLK_F1 && event->keysym.sym <= SDLK_F12) {
-        keyCode = (event->keysym.scancode - SDL_SCANCODE_F1) + VK_F1;
+        keyCode = (event->keysym.sym - SDLK_F1) + VK_F1;
     }
-    else if (event->keysym.scancode >= SDL_SCANCODE_F13 && event->keysym.scancode <= SDL_SCANCODE_F24) {
+    else if (event->keysym.sym >= SDLK_F13 && event->keysym.sym <= SDLK_F24) {
-        keyCode = (event->keysym.scancode - SDL_SCANCODE_F13) + VK_F13;
+        keyCode = (event->keysym.sym - SDLK_F13) + VK_F13;
     }
-    else if (event->keysym.scancode >= SDL_SCANCODE_KP_1 && event->keysym.scancode <= SDL_SCANCODE_KP_9) {
+    else if (event->keysym.sym >= SDLK_KP_1 && event->keysym.sym <= SDLK_KP_9) {
-        // SDL defines SDL_SCANCODE_KP_0 > SDL_SCANCODE_KP_9, so we need to handle that manually
+        // SDL defines SDLK_KP_0 > SDLK_KP_9, so we need to handle that manually
-        keyCode = (event->keysym.scancode - SDL_SCANCODE_KP_1) + VK_NUMPAD0 + 1;
+        keyCode = (event->keysym.sym - SDLK_KP_1) + VK_NUMPAD1;
     }
     else {
-        switch (event->keysym.scancode) {
+        switch (event->keysym.sym) {
-            case SDL_SCANCODE_BACKSPACE:
+            case SDLK_BACKSPACE:
                 keyCode = 0x08;
                 break;
-            case SDL_SCANCODE_TAB:
+            case SDLK_TAB:
                 keyCode = 0x09;
                 break;
-            case SDL_SCANCODE_CLEAR:
+            case SDLK_CLEAR:
                 keyCode = 0x0C;
                 break;
-            case SDL_SCANCODE_KP_ENTER: // FIXME: Is this correct?
+            case SDLK_RETURN:
-            case SDL_SCANCODE_RETURN:
                 keyCode = 0x0D;
                 break;
-            case SDL_SCANCODE_PAUSE:
+            case SDLK_PAUSE:
                 keyCode = 0x13;
                 break;
-            case SDL_SCANCODE_CAPSLOCK:
+            case SDLK_CAPSLOCK:
                 keyCode = 0x14;
                 break;
-            case SDL_SCANCODE_ESCAPE:
+            case SDLK_ESCAPE:
                 keyCode = 0x1B;
                 break;
-            case SDL_SCANCODE_SPACE:
+            case SDLK_SPACE:
                 keyCode = 0x20;
                 break;
-            case SDL_SCANCODE_PAGEUP:
+            case SDLK_PAGEUP:
                 keyCode = 0x21;
                 break;
-            case SDL_SCANCODE_PAGEDOWN:
+            case SDLK_PAGEDOWN:
                 keyCode = 0x22;
                 break;
-            case SDL_SCANCODE_END:
+            case SDLK_END:
                 keyCode = 0x23;
                 break;
-            case SDL_SCANCODE_HOME:
+            case SDLK_HOME:
                 keyCode = 0x24;
                 break;
-            case SDL_SCANCODE_LEFT:
+            case SDLK_LEFT:
                 keyCode = 0x25;
                 break;
-            case SDL_SCANCODE_UP:
+            case SDLK_UP:
                 keyCode = 0x26;
                 break;
-            case SDL_SCANCODE_RIGHT:
+            case SDLK_RIGHT:
                 keyCode = 0x27;
                 break;
-            case SDL_SCANCODE_DOWN:
+            case SDLK_DOWN:
                 keyCode = 0x28;
                 break;
-            case SDL_SCANCODE_SELECT:
+            case SDLK_SELECT:
                 keyCode = 0x29;
                 break;
-            case SDL_SCANCODE_EXECUTE:
+            case SDLK_EXECUTE:
                 keyCode = 0x2B;
                 break;
-            case SDL_SCANCODE_PRINTSCREEN:
+            case SDLK_PRINTSCREEN:
                 keyCode = 0x2C;
                 break;
-            case SDL_SCANCODE_INSERT:
+            case SDLK_INSERT:
                 keyCode = 0x2D;
                 break;
-            case SDL_SCANCODE_DELETE:
+            case SDLK_DELETE:
                 keyCode = 0x2E;
                 break;
-            case SDL_SCANCODE_HELP:
+            case SDLK_HELP:
                 keyCode = 0x2F;
                 break;
-            case SDL_SCANCODE_KP_0:
+            case SDLK_KP_0:
-                // See comment above about why we only handle SDL_SCANCODE_KP_0 here
+                // See comment above about why we only handle KP_0 here
-                keyCode = VK_NUMPAD0;
+                keyCode = 0x60;
                 break;
-            case SDL_SCANCODE_0:
+            case SDLK_KP_MULTIPLY:
-                // See comment above about why we only handle SDL_SCANCODE_0 here
-                keyCode = VK_0;
-                break;
-            case SDL_SCANCODE_KP_MULTIPLY:
                 keyCode = 0x6A;
                 break;
-            case SDL_SCANCODE_KP_PLUS:
+            case SDLK_KP_PLUS:
                 keyCode = 0x6B;
                 break;
-            case SDL_SCANCODE_KP_COMMA:
+            case SDLK_KP_COMMA:
                 keyCode = 0x6C;
                 break;
-            case SDL_SCANCODE_KP_MINUS:
+            case SDLK_KP_MINUS:
                 keyCode = 0x6D;
                 break;
-            case SDL_SCANCODE_KP_PERIOD:
+            case SDLK_KP_DECIMAL:
                 keyCode = 0x6E;
                 break;
-            case SDL_SCANCODE_KP_DIVIDE:
+            case SDLK_KP_DIVIDE:
                 keyCode = 0x6F;
                 break;
-            case SDL_SCANCODE_NUMLOCKCLEAR:
+            case SDLK_NUMLOCKCLEAR:
                 keyCode = 0x90;
                 break;
-            case SDL_SCANCODE_SCROLLLOCK:
+            case SDLK_SCROLLLOCK:
                 keyCode = 0x91;
                 break;
-            case SDL_SCANCODE_LSHIFT:
+            case SDLK_LSHIFT:
                 keyCode = 0xA0;
                 break;
-            case SDL_SCANCODE_RSHIFT:
+            case SDLK_RSHIFT:
                 keyCode = 0xA1;
                 break;
-            case SDL_SCANCODE_LCTRL:
+            case SDLK_LCTRL:
                 keyCode = 0xA2;
                 break;
-            case SDL_SCANCODE_RCTRL:
+            case SDLK_RCTRL:
                 keyCode = 0xA3;
                 break;
-            case SDL_SCANCODE_LALT:
+            case SDLK_LALT:
                 keyCode = 0xA4;
                 break;
-            case SDL_SCANCODE_RALT:
+            case SDLK_RALT:
                 keyCode = 0xA5;
                 break;
-            case SDL_SCANCODE_AC_BACK:
+            case SDLK_AC_BACK:
                 keyCode = 0xA6;
                 break;
-            case SDL_SCANCODE_AC_FORWARD:
+            case SDLK_AC_FORWARD:
                 keyCode = 0xA7;
                 break;
-            case SDL_SCANCODE_AC_REFRESH:
+            case SDLK_AC_REFRESH:
                 keyCode = 0xA8;
                 break;
-            case SDL_SCANCODE_AC_STOP:
+            case SDLK_AC_STOP:
                 keyCode = 0xA9;
                 break;
-            case SDL_SCANCODE_AC_SEARCH:
+            case SDLK_AC_SEARCH:
                 keyCode = 0xAA;
                 break;
-            case SDL_SCANCODE_AC_BOOKMARKS:
+            case SDLK_AC_BOOKMARKS:
                 keyCode = 0xAB;
                 break;
-            case SDL_SCANCODE_AC_HOME:
+            case SDLK_AC_HOME:
                 keyCode = 0xAC;
                 break;
-            case SDL_SCANCODE_SEMICOLON:
+            case SDLK_SEMICOLON:
                 keyCode = 0xBA;
                 break;
-            case SDL_SCANCODE_EQUALS:
+            case SDLK_PLUS:
                 keyCode = 0xBB;
                 break;
-            case SDL_SCANCODE_COMMA:
+            case SDLK_COMMA:
                 keyCode = 0xBC;
                 break;
-            case SDL_SCANCODE_MINUS:
+            case SDLK_MINUS:
                 keyCode = 0xBD;
                 break;
-            case SDL_SCANCODE_PERIOD:
+            case SDLK_PERIOD:
                 keyCode = 0xBE;
                 break;
-            case SDL_SCANCODE_SLASH:
+            case SDLK_SLASH:
                 keyCode = 0xBF;
                 break;
-            case SDL_SCANCODE_GRAVE:
+            case SDLK_BACKQUOTE:
                 keyCode = 0xC0;
                 break;
-            case SDL_SCANCODE_LEFTBRACKET:
+            case SDLK_LEFTBRACKET:
                 keyCode = 0xDB;
                 break;
-            case SDL_SCANCODE_BACKSLASH:
+            case SDLK_BACKSLASH:
                 keyCode = 0xDC;
                 break;
-            case SDL_SCANCODE_RIGHTBRACKET:
+            case SDLK_RIGHTBRACKET:
                 keyCode = 0xDD;
                 break;
-            case SDL_SCANCODE_APOSTROPHE:
+            case SDLK_QUOTE:
                 keyCode = 0xDE;
                 break;
-            case SDL_SCANCODE_NONUSBACKSLASH:
-                keyCode = 0xE2;
-                break;
             default:
                 SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
                             "Unhandled button event: %d",
-                             event->keysym.scancode);
+                             event->keysym.sym);
                 return;
         }
     }
@@ -392,37 +364,10 @@ void SdlInputHandler::handleMouseMotionEvent(SDL_MouseMotionEvent* event)
         // Not capturing
         return;
     }
-    short xdelta = (short)event->xrel;
-    short ydelta = (short)event->yrel;
 
-    // If we're sending more than one motion event per millisecond,
+    if (event->xrel != 0 || event->yrel != 0) {
-    // delay for 1 ms to allow batching of mouse move events.
+        LiSendMouseMoveEvent((unsigned short)event->xrel,
-    Uint32 currentTime = SDL_GetTicks();
+                             (unsigned short)event->yrel);
-    if (!SDL_TICKS_PASSED(currentTime, m_LastMouseMotionTime + 1)) {
-        SDL_Delay(1);
-        currentTime = SDL_GetTicks();
-    }
-    m_LastMouseMotionTime = currentTime;
-
-    // Pump even if we didn't delay since we might get some extra events
-    SDL_PumpEvents();
-
-    // Batch all of the pending mouse motion events
-    SDL_Event nextEvent;
-    while (SDL_PeepEvents(&nextEvent,
-                          1,
-                          SDL_GETEVENT,
-                          SDL_MOUSEMOTION,
-                          SDL_MOUSEMOTION) == 1) {
-        // In theory, these can overflow but in practice
-        // it should be highly unlikely since it would require
-        // moving 64K pixels in 1 ms.
-        xdelta += nextEvent.motion.xrel;
-        ydelta += nextEvent.motion.yrel;
-    }
-
-    if (xdelta != 0 || ydelta != 0) {
-        LiSendMouseMoveEvent(xdelta, ydelta);
     }
 }
 
@@ -482,18 +427,13 @@ void SdlInputHandler::handleControllerAxisEvent(SDL_ControllerAxisEvent* event)
             state->lsX = event->value;
             break;
         case SDL_CONTROLLER_AXIS_LEFTY:
-            // Signed values have one more negative value than
+            state->lsY = -event->value;
-            // positive value, so inverting the sign on -32768
-            // could actually cause the value to overflow and
-            // wrap around to be negative again. Avoid that by
-            // capping the value at 32767.
-            state->lsY = -qMax(event->value, (short)-32767);
             break;
         case SDL_CONTROLLER_AXIS_RIGHTX:
             state->rsX = event->value;
             break;
         case SDL_CONTROLLER_AXIS_RIGHTY:
-            state->rsY = -qMax(event->value, (short)-32767);
+            state->rsY = -event->value;
             break;
         case SDL_CONTROLLER_AXIS_TRIGGERLEFT:
             state->lt = (unsigned char)(event->value * 255UL / 32767);

app/streaming/input.hpp

@@ -44,7 +44,6 @@ private:
 
     void sendGamepadState(GamepadState* state);
 
-    Uint32 m_LastMouseMotionTime;
     bool m_MultiController;
     int m_GamepadMask;
     GamepadState m_GamepadState[MAX_GAMEPADS];

app/streaming/session.hpp

@@ -19,15 +19,7 @@ class Session : public QObject
 public:
     explicit Session(NvComputer* computer, NvApp& app);
 
-    Q_INVOKABLE void exec(int displayOriginX, int displayOriginY);
+    Q_INVOKABLE void exec();
-
-    static
-    bool isHardwareDecodeAvailable(StreamingPreferences::VideoDecoderSelection vds,
-                                   int videoFormat, int width, int height, int frameRate);
-
-    static
-    int getDecoderCapabilities(StreamingPreferences::VideoDecoderSelection vds,
-                               int videoFormat, int width, int height, int frameRate);
 
 signals:
     void stageStarting(QString stage);
@@ -43,25 +35,18 @@ signals:
 private:
     bool validateLaunch();
 
-    void emitLaunchWarning(QString text);
-
     int getDecoderCapabilities();
 
     int sdlDetermineAudioConfiguration();
 
-    bool testAudio(int audioConfiguration);
+    static
-
+    bool isHardwareDecodeAvailable(StreamingPreferences::VideoDecoderSelection vds,
-    void getWindowDimensions(int& x, int& y,
+                                   int videoFormat, int width, int height, int frameRate);
-                             int& width, int& height);
-
-    void toggleFullscreen();
-
-    void updateOptimalWindowDisplayMode();
 
     static
     bool chooseDecoder(StreamingPreferences::VideoDecoderSelection vds,
                        SDL_Window* window, int videoFormat, int width, int height,
-                       int frameRate, bool enableVsync, IVideoDecoder*& chosenDecoder);
+                       int frameRate, IVideoDecoder*& chosenDecoder);
 
     static
     void clStageStarting(int stage);
@@ -109,17 +94,6 @@ private:
     SDL_Window* m_Window;
     IVideoDecoder* m_VideoDecoder;
     SDL_SpinLock m_DecoderLock;
-    bool m_NeedsIdr;
-    bool m_AudioDisabled;
-    Uint32 m_FullScreenFlag;
-    int m_DisplayOriginX;
-    int m_DisplayOriginY;
-    bool m_PendingWindowedTransition;
-
-    int m_ActiveVideoFormat;
-    int m_ActiveVideoWidth;
-    int m_ActiveVideoHeight;
-    int m_ActiveVideoFrameRate;
 
     static SDL_AudioDeviceID s_AudioDevice;
     static OpusMSDecoder* s_OpusDecoder;

app/streaming/streamutils.cpp

@@ -1,127 +0,0 @@
-#include "streamutils.h"
-
-#include <Qt>
-
-#ifdef Q_OS_DARWIN
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-
-void StreamUtils::scaleSourceToDestinationSurface(SDL_Rect* src, SDL_Rect* dst)
-{
-    int dstH = dst->w * src->h / src->w;
-    int dstW = dst->h * src->w / src->h;
-
-    if (dstH > dst->h) {
-        dst->y = 0;
-        dst->x = (dst->w - dstW) / 2;
-        dst->w = dstW;
-        SDL_assert(dst->w * src->h / src->w <= dst->h);
-    }
-    else {
-        dst->x = 0;
-        dst->y = (dst->h - dstH) / 2;
-        dst->h = dstH;
-        SDL_assert(dst->h * src->w / src->h <= dst->w);
-    }
-}
-
-int StreamUtils::getDisplayRefreshRate(SDL_Window* window)
-{
-    int displayIndex = SDL_GetWindowDisplayIndex(window);
-    if (displayIndex < 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to get current display: %s",
-                     SDL_GetError());
-
-        // Assume display 0 if it fails
-        displayIndex = 0;
-    }
-
-    SDL_DisplayMode mode;
-    if ((SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
-        // Use the window display mode for full-screen exclusive mode
-        if (SDL_GetWindowDisplayMode(window, &mode) != 0) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "SDL_GetWindowDisplayMode() failed: %s",
-                         SDL_GetError());
-
-            // Assume 60 Hz
-            return 60;
-        }
-    }
-    else {
-        // Use the current display mode for windowed and borderless
-        if (SDL_GetCurrentDisplayMode(displayIndex, &mode) != 0) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "SDL_GetCurrentDisplayMode() failed: %s",
-                         SDL_GetError());
-
-            // Assume 60 Hz
-            return 60;
-        }
-    }
-
-    // May be zero if undefined
-    if (mode.refresh_rate == 0) {
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "Refresh rate unknown; assuming 60 Hz");
-        mode.refresh_rate = 60;
-    }
-
-    return mode.refresh_rate;
-}
-
-bool StreamUtils::getRealDesktopMode(int displayIndex, SDL_DisplayMode* mode)
-{
-#ifdef Q_OS_DARWIN
-#define MAX_DISPLAYS 16
-    CGDirectDisplayID displayIds[MAX_DISPLAYS];
-    uint32_t displayCount = 0;
-    CGGetActiveDisplayList(MAX_DISPLAYS, displayIds, &displayCount);
-    if (displayIndex >= displayCount) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Too many displays: %d vs %d",
-                     displayIndex, displayCount);
-        return false;
-    }
-
-    SDL_zerop(mode);
-
-    // Retina displays have non-native resolutions both below and above (!) their
-    // native resolution, so it's impossible for us to figure out what's actually
-    // native on macOS using the SDL API alone. We'll talk to CoreGraphics to
-    // find the correct resolution and match it in our SDL list.
-    CFArrayRef modeList = CGDisplayCopyAllDisplayModes(displayIds[displayIndex], nullptr);
-    CFIndex count = CFArrayGetCount(modeList);
-    for (CFIndex i = 0; i < count; i++) {
-        auto cgMode = (CGDisplayModeRef)(CFArrayGetValueAtIndex(modeList, i));
-        if ((CGDisplayModeGetIOFlags(cgMode) & kDisplayModeNativeFlag) != 0) {
-            mode->w = static_cast<int>(CGDisplayModeGetWidth(cgMode));
-            mode->h = static_cast<int>(CGDisplayModeGetHeight(cgMode));
-            break;
-        }
-    }
-    CFRelease(modeList);
-
-    // Now find the SDL mode that matches the CG native mode
-    for (int i = 0; i < SDL_GetNumDisplayModes(displayIndex); i++) {
-        SDL_DisplayMode thisMode;
-        if (SDL_GetDisplayMode(displayIndex, i, &thisMode) == 0) {
-            if (thisMode.w == mode->w && thisMode.h == mode->h &&
-                    thisMode.refresh_rate >= mode->refresh_rate) {
-                *mode = thisMode;
-                break;
-            }
-        }
-    }
-#else
-    if (SDL_GetDesktopDisplayMode(displayIndex, mode) != 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_GetDesktopDisplayMode() failed: %s",
-                     SDL_GetError());
-        return false;
-    }
-#endif
-
-    return true;
-}

app/streaming/streamutils.h

@@ -1,16 +0,0 @@
-#pragma once
-
-#include <SDL.h>
-
-class StreamUtils
-{
-public:
-    static
-    void scaleSourceToDestinationSurface(SDL_Rect* src, SDL_Rect* dst);
-
-    static
-    bool getRealDesktopMode(int displayIndex, SDL_DisplayMode* mode);
-
-    static
-    int getDisplayRefreshRate(SDL_Window* window);
-};

app/streaming/video/avfoundation.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "decoder.h"
+
+// A factory is required to avoid pulling in
+// incompatible Objective-C headers.
+class AVFoundationDecoderFactory {
+public:
+    static
+    IVideoDecoder* createDecoder();
+};

app/streaming/video/avfoundation.mm

@@ -0,0 +1,521 @@
+#include "avfoundation.h"
+
+#include <SDL_syswm.h>
+
+#import <Cocoa/Cocoa.h>
+#import <VideoToolbox/VideoToolbox.h>
+#import <AVFoundation/AVFoundation.h>
+#import <CoreVideo/CoreVideo.h>
+
+#define FRAME_START_PREFIX_SIZE 4
+#define NALU_START_PREFIX_SIZE 3
+#define NAL_LENGTH_PREFIX_SIZE 4
+
+#define FUTURE_FRAMES_IN_VSYNC 3
+
+class AVFoundationDecoder : public IVideoDecoder
+{
+public:
+    AVFoundationDecoder()
+        : m_DisplayLayer(nullptr),
+          m_FormatDesc(nullptr),
+          m_SpsData(nullptr),
+          m_PpsData(nullptr),
+          m_VpsData(nullptr),
+          m_View(nullptr),
+          m_NeedsIdr(false),
+          m_DisplayLink(nullptr),
+          m_VsyncTime(0),
+          m_LastVsyncTime(0),
+          m_VsyncStatsLock(0)
+    {
+        SDL_zero(m_FrameCountOnVsync);
+    }
+
+    virtual ~AVFoundationDecoder()
+    {
+        if (m_FormatDesc != nullptr) {
+            CFRelease(m_FormatDesc);
+        }
+
+        if (m_DisplayLink != nullptr) {
+            CVDisplayLinkStop(m_DisplayLink);
+            CVDisplayLinkRelease(m_DisplayLink);
+        }
+
+        delete m_SpsData;
+        delete m_PpsData;
+        delete m_VpsData;
+    }
+
+    static
+    CVReturn
+    displayLinkOutputCallback(
+        CVDisplayLinkRef,
+        const CVTimeStamp*,
+        const CVTimeStamp* vsyncTime,
+        CVOptionFlags,
+        CVOptionFlags*,
+        void *displayLinkContext)
+    {
+        AVFoundationDecoder* me = reinterpret_cast<AVFoundationDecoder*>(displayLinkContext);
+
+        SDL_AtomicLock(&me->m_VsyncStatsLock);
+        me->m_LastVsyncTime = me->m_VsyncTime;
+        me->m_VsyncTime = vsyncTime->hostTime;
+
+        int framesThisVsync = *(volatile int*)&me->m_FrameCountOnVsync[0];
+
+        memmove(&me->m_FrameCountOnVsync[0],
+                &me->m_FrameCountOnVsync[1],
+                sizeof(me->m_FrameCountOnVsync) - sizeof(me->m_FrameCountOnVsync[0]));
+        me->m_FrameCountOnVsync[FUTURE_FRAMES_IN_VSYNC - 1] = 0;
+        SDL_AtomicUnlock(&me->m_VsyncStatsLock);
+
+        if (framesThisVsync != 1)
+            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                        "V-Sync interval frames: %d",
+                        framesThisVsync);
+
+        return kCVReturnSuccess;
+    }
+
+    virtual bool initialize(StreamingPreferences::VideoDecoderSelection vds,
+                            SDL_Window* window,
+                            int videoFormat,
+                            int, int, int) override
+    {
+        m_VideoFormat = videoFormat;
+
+        // Fail if the user wants software decode only
+        if (vds == StreamingPreferences::VDS_FORCE_SOFTWARE) {
+            return false;
+        }
+
+        if (videoFormat & VIDEO_FORMAT_MASK_H264) {
+            // Prior to 10.13, we'll just assume everything has
+            // H.264 support and fail open to allow VT decode.
+    #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
+            if (__builtin_available(macOS 10.13, *)) {
+                if (!VTIsHardwareDecodeSupported(kCMVideoCodecType_H264)) {
+                    SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                                "No HW accelerated H.264 decode via VT");
+                    return false;
+                }
+            }
+            else
+    #endif
+            {
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "Assuming H.264 HW decode on < macOS 10.13");
+            }
+        }
+        else if (videoFormat & VIDEO_FORMAT_MASK_H265) {
+    #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
+            if (__builtin_available(macOS 10.13, *)) {
+                if (!VTIsHardwareDecodeSupported(kCMVideoCodecType_HEVC)) {
+                    SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                                "No HW accelerated HEVC decode via VT");
+                    return false;
+                }
+            }
+            else
+    #endif
+            {
+                // Fail closed for HEVC if we're not on 10.13+
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "No HEVC support on < macOS 10.13");
+                return false;
+            }
+        }
+
+        SDL_SysWMinfo info;
+
+        SDL_VERSION(&info.version);
+
+        if (!SDL_GetWindowWMInfo(window, &info)) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                        "SDL_GetWindowWMInfo() failed: %s",
+                        SDL_GetError());
+            return false;
+        }
+
+        SDL_assert(info.subsystem == SDL_SYSWM_COCOA);
+
+        // SDL adds its own content view to listen for events.
+        // We need to add a subview for our display layer.
+        NSView* contentView = info.info.cocoa.window.contentView;
+        m_View = [[NSView alloc] initWithFrame:contentView.bounds];
+        m_View.wantsLayer = YES;
+        [contentView addSubview: m_View];
+
+        setupDisplayLayer();
+
+        CVDisplayLinkCreateWithActiveCGDisplays(&m_DisplayLink);
+        CVDisplayLinkSetOutputCallback(m_DisplayLink, displayLinkOutputCallback, (void*)this);
+        CVDisplayLinkStart(m_DisplayLink);
+
+        return true;
+    }
+
+    virtual bool isHardwareAccelerated() override
+    {
+        // We only use AVFoundation for HW acceleration
+        return true;
+    }
+
+    virtual int submitDecodeUnit(PDECODE_UNIT du) override
+    {
+        OSStatus status;
+
+        unsigned char* data = (unsigned char*)malloc(du->fullLength);
+        if (!data) {
+            return DR_NEED_IDR;
+        }
+
+        PLENTRY entry = du->bufferList;
+        int pictureDataLength = 0;
+        while (entry != nullptr) {
+            if (entry->bufferType == BUFFER_TYPE_VPS) {
+                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Got VPS");
+                delete m_VpsData;
+                m_VpsData = new QByteArray(&entry->data[FRAME_START_PREFIX_SIZE], entry->length - FRAME_START_PREFIX_SIZE);
+
+                // We got a new VPS so wait for a new SPS to match it
+                delete m_SpsData;
+                delete m_PpsData;
+                m_SpsData = m_PpsData = nullptr;
+            }
+            else if (entry->bufferType == BUFFER_TYPE_SPS) {
+                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Got SPS");
+                delete m_SpsData;
+                m_SpsData = new QByteArray(&entry->data[FRAME_START_PREFIX_SIZE], entry->length - FRAME_START_PREFIX_SIZE);
+
+                // We got a new SPS so wait for a new PPS to match it
+                delete m_PpsData;
+                m_PpsData = nullptr;
+            }
+            else if (entry->bufferType == BUFFER_TYPE_PPS) {
+                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Got PPS");
+                delete m_PpsData;
+                m_PpsData = new QByteArray(&entry->data[FRAME_START_PREFIX_SIZE], entry->length - FRAME_START_PREFIX_SIZE);
+            }
+            else {
+                // Picture data
+                SDL_assert(entry->bufferType == BUFFER_TYPE_PICDATA);
+                memcpy(&data[pictureDataLength],
+                       entry->data,
+                       entry->length);
+                pictureDataLength += entry->length;
+            }
+
+            entry = entry->next;
+        }
+
+        SDL_assert(pictureDataLength <= du->fullLength);
+
+        if (du->frameType == FRAME_TYPE_IDR) {
+            m_NeedsIdr = false;
+
+            if (m_FormatDesc != nullptr) {
+                CFRelease(m_FormatDesc);
+            }
+
+            if (m_VideoFormat & VIDEO_FORMAT_MASK_H264) {
+                const uint8_t* const parameterSetPointers[] = { (uint8_t*)m_SpsData->data(),
+                                                                (uint8_t*)m_PpsData->data() };
+                const size_t parameterSetSizes[] = { (size_t)m_SpsData->length(),
+                                                     (size_t)m_PpsData->length() };
+
+                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Constructing new H264 format description");
+                status = CMVideoFormatDescriptionCreateFromH264ParameterSets(kCFAllocatorDefault,
+                                                                             2, /* count of parameter sets */
+                                                                             parameterSetPointers,
+                                                                             parameterSetSizes,
+                                                                             NAL_LENGTH_PREFIX_SIZE,
+                                                                             &m_FormatDesc);
+                if (status != noErr) {
+                    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                                 "Failed to create H264 format description: %d",
+                                 (int)status);
+                    m_FormatDesc = NULL;
+                }
+            }
+            else {
+#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
+                const uint8_t* const parameterSetPointers[] = { (uint8_t*)m_VpsData->data(),
+                                                                (uint8_t*)m_SpsData->data(),
+                                                                (uint8_t*)m_PpsData->data() };
+                const size_t parameterSetSizes[] = { (size_t)m_VpsData->length(),
+                                                     (size_t)m_SpsData->length(),
+                                                     (size_t)m_PpsData->length() };
+
+                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Constructing new HEVC format description");
+
+                if (__builtin_available(macOS 10.13, *)) {
+                    status = CMVideoFormatDescriptionCreateFromHEVCParameterSets(kCFAllocatorDefault,
+                                                                                 3, /* count of parameter sets */
+                                                                                 parameterSetPointers,
+                                                                                 parameterSetSizes,
+                                                                                 NAL_LENGTH_PREFIX_SIZE,
+                                                                                 nil,
+                                                                                 &m_FormatDesc);
+                    if (status != noErr) {
+                        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                                     "Failed to create HEVC format description: %d",
+                                     (int)status);
+                        m_FormatDesc = NULL;
+                    }
+                }
+                else
+#endif
+                {
+                    // This means Moonlight-common-c decided to give us an HEVC stream
+                    // even though we said we couldn't support it. All we can do is abort().
+                    abort();
+                }
+            }
+        }
+
+        if (m_FormatDesc == nullptr || m_NeedsIdr) {
+            // Can't decode if we haven't gotten our parameter sets yet
+            free(data);
+            return DR_NEED_IDR;
+        }
+
+        // Now we're decoding actual frame data here
+        CMBlockBufferRef blockBuffer;
+
+        status = CMBlockBufferCreateEmpty(NULL, 0, 0, &blockBuffer);
+        if (status != noErr) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                         "CMBlockBufferCreateEmpty failed: %d",
+                         (int)status);
+            free(data);
+            return DR_NEED_IDR;
+        }
+
+        int lastOffset = -1;
+        for (int i = 0; i < pictureDataLength - FRAME_START_PREFIX_SIZE; i++) {
+            // Search for a NALU
+            if (data[i] == 0 && data[i+1] == 0 && data[i+2] == 1) {
+                // It's the start of a new NALU
+                if (lastOffset != -1) {
+                    // We've seen a start before this so enqueue that NALU
+                    updateBufferForRange(blockBuffer, data, lastOffset, i - lastOffset);
+                }
+
+                lastOffset = i;
+            }
+        }
+
+        if (lastOffset != -1) {
+            // Enqueue the remaining data
+            updateBufferForRange(blockBuffer, data, lastOffset, pictureDataLength - lastOffset);
+        }
+
+        // From now on, CMBlockBuffer owns the data pointer and will free it when it's released
+
+        CMSampleBufferRef sampleBuffer;
+
+        CMSampleTimingInfo time = {
+            .decodeTimeStamp = kCMTimeInvalid,
+            .duration = kCMTimeInvalid
+        };
+
+        SDL_AtomicLock(&m_VsyncStatsLock);
+        // Find a slot to put this frame
+        for (int i = 0; i < FUTURE_FRAMES_IN_VSYNC; i++) {
+            if (m_FrameCountOnVsync[i] == 0) {
+                time.presentationTimeStamp =
+                        CMTimeMake(m_VsyncTime + (i + 1) * (m_VsyncTime - m_LastVsyncTime),
+                                   1000 * 1000 * 1000);
+                m_FrameCountOnVsync[i]++;
+            }
+        }
+        SDL_AtomicUnlock(&m_VsyncStatsLock);
+
+        status = CMSampleBufferCreate(kCFAllocatorDefault,
+                                      blockBuffer,
+                                      true, NULL,
+                                      NULL, m_FormatDesc, 1, 1,
+                                      &time, 0, NULL,
+                                      &sampleBuffer);
+        if (status != noErr) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                         "CMSampleBufferCreate failed: %d",
+                         (int)status);
+            CFRelease(blockBuffer);
+            return DR_NEED_IDR;
+        }
+
+        // Submit for callback on the main thread
+        queueFrame(sampleBuffer, (void*)(long)du->frameType);
+
+        return DR_OK;
+    }
+
+    // This is called on the main thread, so it's safe to interact with
+    // the AVSampleBufferDisplayLayer here.
+    void submitBuffer(CMSampleBufferRef sampleBuffer, int frameType)
+    {
+        if (m_DisplayLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                        "Resetting failed AVSampleBufferDisplay layer");
+            setupDisplayLayer();
+            CFRelease(sampleBuffer);
+            return;
+        }
+
+        CFArrayRef attachments = CMSampleBufferGetSampleAttachmentsArray(sampleBuffer, YES);
+        CFMutableDictionaryRef dict = (CFMutableDictionaryRef)CFArrayGetValueAtIndex(attachments, 0);
+
+        CFDictionarySetValue(dict, kCMSampleAttachmentKey_IsDependedOnByOthers, kCFBooleanTrue);
+
+        if (frameType == FRAME_TYPE_PFRAME) {
+            // P-frame
+            CFDictionarySetValue(dict, kCMSampleAttachmentKey_NotSync, kCFBooleanTrue);
+            CFDictionarySetValue(dict, kCMSampleAttachmentKey_DependsOnOthers, kCFBooleanTrue);
+        } else {
+            // I-frame
+            CFDictionarySetValue(dict, kCMSampleAttachmentKey_NotSync, kCFBooleanFalse);
+            CFDictionarySetValue(dict, kCMSampleAttachmentKey_DependsOnOthers, kCFBooleanFalse);
+        }
+
+        [m_DisplayLayer enqueueSampleBuffer:sampleBuffer];
+
+        CFRelease(sampleBuffer);
+    }
+
+    virtual void renderFrame(SDL_UserEvent* event) override
+    {
+        submitBuffer((CMSampleBufferRef)event->data1, (int)(long)event->data2);
+    }
+
+    virtual void dropFrame(SDL_UserEvent* event) override
+    {
+        // Submit anyway and let the drop happen in the render pipeline
+        submitBuffer((CMSampleBufferRef)event->data1, (int)(long)event->data2);
+    }
+
+private:
+    void setupDisplayLayer()
+    {
+        CALayer* oldLayer = m_DisplayLayer;
+
+        m_DisplayLayer = [[AVSampleBufferDisplayLayer alloc] init];
+        m_DisplayLayer.bounds = m_View.bounds;
+        m_DisplayLayer.position = CGPointMake(CGRectGetMidX(m_View.bounds), CGRectGetMidY(m_View.bounds));
+        m_DisplayLayer.videoGravity = AVLayerVideoGravityResizeAspect;
+
+        CALayer* viewLayer = m_View.layer;
+        if (oldLayer != nil) {
+            [viewLayer replaceSublayer:oldLayer with:m_DisplayLayer];
+        }
+        else {
+            [viewLayer addSublayer:m_DisplayLayer];
+        }
+
+        // Wait for another IDR frame
+        m_NeedsIdr = true;
+
+        delete m_SpsData;
+        delete m_PpsData;
+        delete m_VpsData;
+
+        m_SpsData = m_PpsData = m_VpsData = nullptr;
+    }
+
+    void updateBufferForRange(CMBlockBufferRef existingBuffer, unsigned char* data, int offset, int nalLength)
+    {
+        OSStatus status;
+        size_t oldOffset = CMBlockBufferGetDataLength(existingBuffer);
+
+        // If we're at index 1 (first NALU in frame), enqueue this buffer to the memory block
+        // so it can handle freeing it when the block buffer is destroyed
+        if (offset == 1) {
+            int dataLength = nalLength - NALU_START_PREFIX_SIZE;
+
+            // Pass the real buffer pointer directly (no offset)
+            // This will give it to the block buffer to free when it's released.
+            // All further calls to CMBlockBufferAppendMemoryBlock will do so
+            // at an offset and will not be asking the buffer to be freed.
+            status = CMBlockBufferAppendMemoryBlock(existingBuffer, data,
+                                                    nalLength + 1, // Add 1 for the offset we decremented
+                                                    kCFAllocatorDefault,
+                                                    NULL, 0, nalLength + 1, 0);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMBlockBufferReplaceDataBytes failed: %d",
+                             (int)status);
+                return;
+            }
+
+            // Write the length prefix to existing buffer
+            const uint8_t lengthBytes[] = {(uint8_t)(dataLength >> 24), (uint8_t)(dataLength >> 16),
+                (uint8_t)(dataLength >> 8), (uint8_t)dataLength};
+            status = CMBlockBufferReplaceDataBytes(lengthBytes, existingBuffer,
+                                                   oldOffset, NAL_LENGTH_PREFIX_SIZE);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMBlockBufferReplaceDataBytes failed: %d",
+                             (int)status);
+                return;
+            }
+        } else {
+            // Append a 4 byte buffer to this block for the length prefix
+            status = CMBlockBufferAppendMemoryBlock(existingBuffer, NULL,
+                                                    NAL_LENGTH_PREFIX_SIZE,
+                                                    kCFAllocatorDefault, NULL, 0,
+                                                    NAL_LENGTH_PREFIX_SIZE, 0);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMBlockBufferAppendMemoryBlock failed: %d",
+                             (int)status);
+                return;
+            }
+
+            // Write the length prefix to the new buffer
+            int dataLength = nalLength - NALU_START_PREFIX_SIZE;
+            const uint8_t lengthBytes[] = {(uint8_t)(dataLength >> 24), (uint8_t)(dataLength >> 16),
+                (uint8_t)(dataLength >> 8), (uint8_t)dataLength};
+            status = CMBlockBufferReplaceDataBytes(lengthBytes, existingBuffer,
+                                                   oldOffset, NAL_LENGTH_PREFIX_SIZE);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMBlockBufferReplaceDataBytes failed: %d",
+                             (int)status);
+                return;
+            }
+
+            // Attach the buffer by reference to the block buffer
+            status = CMBlockBufferAppendMemoryBlock(existingBuffer, &data[offset+NALU_START_PREFIX_SIZE],
+                                                    dataLength,
+                                                    kCFAllocatorNull, // Don't deallocate data on free
+                                                    NULL, 0, dataLength, 0);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMBlockBufferReplaceDataBytes failed: %d",
+                             (int)status);
+                return;
+            }
+        }
+    }
+
+    AVSampleBufferDisplayLayer* m_DisplayLayer;
+    CMVideoFormatDescriptionRef m_FormatDesc;
+    int m_VideoFormat;
+    QByteArray* m_SpsData;
+    QByteArray* m_PpsData;
+    QByteArray* m_VpsData;
+    NSView* m_View;
+    bool m_NeedsIdr;
+    CVDisplayLinkRef m_DisplayLink;
+    uint64_t m_VsyncTime, m_LastVsyncTime;
+    int m_FrameCountOnVsync[FUTURE_FRAMES_IN_VSYNC];
+    SDL_SpinLock m_VsyncStatsLock;
+};
+
+IVideoDecoder* AVFoundationDecoderFactory::createDecoder() {
+    return new AVFoundationDecoder();
+}

app/streaming/video/decoder.h

@@ -16,10 +16,8 @@ public:
                             int videoFormat,
                             int width,
                             int height,
-                            int frameRate,
+                            int frameRate) = 0;
-                            bool enableVsync) = 0;
     virtual bool isHardwareAccelerated() = 0;
-    virtual int getDecoderCapabilities() = 0;
     virtual int submitDecodeUnit(PDECODE_UNIT du) = 0;
     virtual void renderFrame(SDL_UserEvent* event) = 0;
     virtual void dropFrame(SDL_UserEvent* event) = 0;

app/streaming/video/ffmpeg-renderers/dxva2.cpp

@@ -1,14 +1,5 @@
-#include <initguid.h>
+#include <Initguid.h>
 #include "dxva2.h"
-#include "../ffmpeg.h"
-#include <streaming/streamutils.h>
-
-#include <SDL_syswm.h>
-
-#define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
-#include <VersionHelpers.h>
-#include <dwmapi.h>
 
 #include <Limelight.h>
 
@@ -17,27 +8,23 @@ DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68,0x4951,0x4C54,0x88,0xFE,0xAB,0x
 #define SAFE_COM_RELEASE(x) if (x) { (x)->Release(); }
 
 DXVA2Renderer::DXVA2Renderer() :
+    m_FrameIndex(0),
+    m_SurfacesUsed(0),
+    m_SdlRenderer(nullptr),
     m_DecService(nullptr),
     m_Decoder(nullptr),
-    m_SurfacesUsed(0),
     m_Pool(nullptr),
     m_Device(nullptr),
     m_RenderTarget(nullptr),
     m_ProcService(nullptr),
-    m_Processor(nullptr),
+    m_Processor(nullptr)
-    m_FrameIndex(0)
 {
     RtlZeroMemory(m_DecSurfaces, sizeof(m_DecSurfaces));
     RtlZeroMemory(&m_DXVAContext, sizeof(m_DXVAContext));
-
-    // Use MMCSS scheduling for lower scheduling latency while we're streaming
-    DwmEnableMMCSS(TRUE);
 }
 
 DXVA2Renderer::~DXVA2Renderer()
 {
-    DwmEnableMMCSS(FALSE);
-
     SAFE_COM_RELEASE(m_DecService);
     SAFE_COM_RELEASE(m_Decoder);
     SAFE_COM_RELEASE(m_Device);
@@ -52,6 +39,10 @@ DXVA2Renderer::~DXVA2Renderer()
     if (m_Pool != nullptr) {
         av_buffer_pool_uninit(&m_Pool);
     }
+
+    if (m_SdlRenderer != nullptr) {
+        SDL_DestroyRenderer(m_SdlRenderer);
+    }
 }
 
 void DXVA2Renderer::ffPoolDummyDelete(void*, uint8_t*)
@@ -84,8 +75,11 @@ bool DXVA2Renderer::prepareDecoderContext(AVCodecContext* context)
 
     context->hwaccel_context = &m_DXVAContext;
 
+    context->get_format = ffGetFormat;
     context->get_buffer2 = ffGetBuffer2;
 
+    context->opaque = this;
+
     m_Pool = av_buffer_pool_init2(ARRAYSIZE(m_DecSurfaces), this, ffPoolAlloc, nullptr);
     if (!m_Pool) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -93,15 +87,12 @@ bool DXVA2Renderer::prepareDecoderContext(AVCodecContext* context)
         return false;
     }
 
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Using DXVA2 accelerated renderer");
-
     return true;
 }
 
 int DXVA2Renderer::ffGetBuffer2(AVCodecContext* context, AVFrame* frame, int)
 {
-    DXVA2Renderer* me = (DXVA2Renderer*)((FFmpegVideoDecoder*)context->opaque)->getRenderer();
+    DXVA2Renderer* me = reinterpret_cast<DXVA2Renderer*>(context->opaque);
 
     frame->buf[0] = av_buffer_pool_get(me->m_Pool);
     if (!frame->buf[0]) {
@@ -110,20 +101,31 @@ int DXVA2Renderer::ffGetBuffer2(AVCodecContext* context, AVFrame* frame, int)
 
     frame->data[3] = frame->buf[0]->data;
     frame->format = AV_PIX_FMT_DXVA2_VLD;
-    frame->width = me->m_VideoWidth;
+    frame->width = me->m_Width;
-    frame->height = me->m_VideoHeight;
+    frame->height = me->m_Height;
 
     return 0;
 }
 
+enum AVPixelFormat DXVA2Renderer::ffGetFormat(AVCodecContext*,
+                                              const enum AVPixelFormat* pixFmts)
+{
+    const enum AVPixelFormat *p;
+
+    for (p = pixFmts; *p != -1; p++) {
+        if (*p == AV_PIX_FMT_DXVA2_VLD)
+            return *p;
+    }
+
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "Failed to find DXVA2 HW surface format");
+    return AV_PIX_FMT_NONE;
+}
+
 bool DXVA2Renderer::initializeDecoder()
 {
     HRESULT hr;
 
-    if (isDecoderBlacklisted()) {
-        return false;
-    }
-
     hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoDecoderService,
                                  reinterpret_cast<void**>(&m_DecService));
     if (FAILED(hr)) {
@@ -206,11 +208,18 @@ bool DXVA2Renderer::initializeDecoder()
         return false;
     }
 
-    // Alignment was already taken care of
+    int alignment;
-    SDL_assert(m_Desc.SampleWidth % 16 == 0);
+
-    SDL_assert(m_Desc.SampleHeight % 16 == 0);
+    // HEVC using DXVA requires 128B alignment
-    hr = m_DecService->CreateSurface(m_Desc.SampleWidth,
+    if (m_VideoFormat & VIDEO_FORMAT_MASK_H265) {
-                                     m_Desc.SampleHeight,
+        alignment = 128;
+    }
+    else {
+        alignment = 16;
+    }
+
+    hr = m_DecService->CreateSurface(FFALIGN(m_Width, alignment),
+                                     FFALIGN(m_Height, alignment),
                                      ARRAYSIZE(m_DecSurfaces) - 1,
                                      m_Desc.Format,
                                      D3DPOOL_DEFAULT,
@@ -253,9 +262,6 @@ bool DXVA2Renderer::initializeRenderer()
     D3DSURFACE_DESC renderTargetDesc;
     m_RenderTarget->GetDesc(&renderTargetDesc);
 
-    m_DisplayWidth = renderTargetDesc.Width;
-    m_DisplayHeight = renderTargetDesc.Height;
-
     hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoProcessorService,
                                  reinterpret_cast<void**>(&m_ProcService));
 
@@ -296,14 +302,6 @@ bool DXVA2Renderer::initializeRenderer()
                             caps.VideoProcessorOperations);
                 continue;
             }
-            else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchX) ||
-                     !(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchY)) {
-                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                            "Device %d can't stretch video: %x",
-                            i,
-                            caps.VideoProcessorOperations);
-                continue;
-            }
 
             m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Brightness, &m_BrightnessRange);
             m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Contrast, &m_ContrastRange);
@@ -340,271 +338,45 @@ bool DXVA2Renderer::initializeRenderer()
     return true;
 }
 
-bool DXVA2Renderer::isDecoderBlacklisted()
+bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, int height)
-{
-    IDirect3D9* d3d9;
-    HRESULT hr;
-    bool result = false;
-
-    // TODO: Update for HEVC Main10
-    SDL_assert(m_VideoFormat != VIDEO_FORMAT_H265_MAIN10);
-
-    hr = m_Device->GetDirect3D(&d3d9);
-    if (SUCCEEDED(hr)) {
-        D3DCAPS9 caps;
-
-        hr = m_Device->GetDeviceCaps(&caps);
-        if (SUCCEEDED(hr)) {
-            D3DADAPTER_IDENTIFIER9 id;
-
-            hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
-            if (SUCCEEDED(hr)) {
-                SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                            "Detected GPU: %s (%x:%x)",
-                            id.Description,
-                            id.VendorId,
-                            id.DeviceId);
-
-                if (id.VendorId == 0x8086) {
-                    // Intel seems to encode the series in the high byte of
-                    // the device ID. We want to avoid the "Partial" acceleration
-                    // support explicitly. Those will claim to have HW acceleration
-                    // but perform badly.
-                    // https://en.wikipedia.org/wiki/Intel_Graphics_Technology#Capabilities_(GPU_video_acceleration)
-                    // https://raw.githubusercontent.com/GameTechDev/gpudetect/master/IntelGfx.cfg
-                    switch (id.DeviceId & 0xFF00) {
-                    case 0x0400: // Haswell
-                    case 0x0A00: // Haswell
-                    case 0x0D00: // Haswell
-                    case 0x1600: // Broadwell
-                    case 0x2200: // Cherry Trail and Braswell
-                        // Blacklist these for HEVC to avoid hybrid decode
-                        result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
-                        break;
-                    default:
-                        // Everything else is fine with whatever it says it supports
-                        result = false;
-                        break;
-                    }
-                }
-                else if (id.VendorId == 0x10DE) {
-                    // For NVIDIA, we wait to avoid those GPUs with Feature Set E
-                    // for HEVC decoding, since that's hybrid.
-                    // https://en.wikipedia.org/wiki/Nvidia_PureVideo
-                    // http://envytools.readthedocs.io/en/latest/hw/pciid.html (missing GM200)
-                    if ((id.DeviceId >= 0x1340 && id.DeviceId <= 0x137F) || // GM108
-                            (id.DeviceId >= 0x1380 && id.DeviceId <= 0x13BF) || // GM107
-                            (id.DeviceId >= 0x13C0 && id.DeviceId <= 0x13FF) || // GM204
-                            (id.DeviceId >= 0x1617 && id.DeviceId <= 0x161A) || // GM204
-                            (id.DeviceId == 0x1667) || // GM204
-                            (id.DeviceId >= 0x17C0 && id.DeviceId <= 0x17FF)) { // GM200
-                        // Avoid HEVC on Feature Set E GPUs
-                        result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
-                    }
-                    else {
-                        result = false;
-                    }
-                }
-                else if (id.VendorId == 0x1002) {
-                    // AMD doesn't seem to do hybrid acceleration?
-                    result = false;
-                }
-                else {
-                    SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                                "Unrecognized vendor ID: %x",
-                                id.VendorId);
-                }
-            }
-        }
-        else {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "GetDeviceCaps() failed: %x", hr);
-        }
-
-        d3d9->Release();
-    }
-    else {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "GetDirect3D() failed: %x", hr);
-    }
-
-    if (result) {
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "GPU blacklisted for format %x",
-                    m_VideoFormat);
-    }
-
-    return result;
-}
-
-bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
-{
-    SDL_SysWMinfo info;
-
-    SDL_VERSION(&info.version);
-    SDL_GetWindowWMInfo(window, &info);
-
-    IDirect3D9Ex* d3d9ex;
-    HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
-    if (FAILED(hr)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Direct3DCreate9Ex() failed: %x",
-                     hr);
-        return false;
-    }
-
-    int adapterIndex = SDL_Direct3D9GetAdapterIndex(SDL_GetWindowDisplayIndex(window));
-    Uint32 windowFlags = SDL_GetWindowFlags(window);
-
-    D3DCAPS9 deviceCaps;
-    d3d9ex->GetDeviceCaps(adapterIndex, D3DDEVTYPE_HAL, &deviceCaps);
-
-    D3DDISPLAYMODEEX currentMode;
-    currentMode.Size = sizeof(currentMode);
-    d3d9ex->GetAdapterDisplayModeEx(adapterIndex, &currentMode, nullptr);
-
-    D3DPRESENT_PARAMETERS d3dpp = {};
-    d3dpp.hDeviceWindow = info.info.win.window;
-    d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
-
-    if ((windowFlags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
-        d3dpp.Windowed = false;
-        d3dpp.BackBufferWidth = currentMode.Width;
-        d3dpp.BackBufferHeight = currentMode.Height;
-        d3dpp.FullScreen_RefreshRateInHz = currentMode.RefreshRate;
-        d3dpp.BackBufferFormat = currentMode.Format;
-    }
-    else {
-        d3dpp.Windowed = true;
-        d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
-
-        SDL_GetWindowSize(window, (int*)&d3dpp.BackBufferWidth, (int*)&d3dpp.BackBufferHeight);
-    }
-
-    BOOL dwmEnabled;
-    DwmIsCompositionEnabled(&dwmEnabled);
-    if (d3dpp.Windowed && dwmEnabled) {
-        // If composition enabled, disable v-sync and let DWM manage things
-        // to reduce latency by avoiding double v-syncing.
-        d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
-
-        // If V-sync is enabled (not rendering faster than display),
-        // we can use FlipEx for more efficient swapping.
-        if (enableVsync) {
-            // D3DSWAPEFFECT_FLIPEX requires at least 2 back buffers to allow us to
-            // continue while DWM is waiting to render the surface to the display.
-            d3dpp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
-            d3dpp.BackBufferCount = 2;
-        }
-        else {
-            // With V-sync off, we won't use FlipEx because that will block while
-            // DWM is waiting to render our surface (effectively behaving like V-Sync).
-            d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
-            d3dpp.BackBufferCount = 1;
-        }
-
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "Windowed mode with DWM running");
-    }
-    else if (enableVsync) {
-        // Uncomposited desktop or full-screen exclusive mode with V-sync enabled
-        // We will enable V-sync in this scenario to avoid tearing.
-        d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
-        d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
-        d3dpp.BackBufferCount = 1;
-
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "V-Sync enabled");
-    }
-    else {
-        // Uncomposited desktop or full-screen exclusive mode with V-sync disabled
-        // We will allowing tearing for lowest latency.
-        d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
-        d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
-        d3dpp.BackBufferCount = 1;
-
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "V-Sync disabled in tearing mode");
-    }
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Windowed: %d | Present Interval: %x",
-                d3dpp.Windowed, d3dpp.PresentationInterval);
-
-    // FFmpeg requires this attribute for doing asynchronous decoding
-    // in a separate thread with this device.
-    int deviceFlags = D3DCREATE_MULTITHREADED;
-
-    if (deviceCaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
-        deviceFlags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
-    }
-    else {
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "No hardware vertex processing support!");
-        deviceFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
-    }
-
-    hr = d3d9ex->CreateDeviceEx(adapterIndex,
-                                D3DDEVTYPE_HAL,
-                                d3dpp.hDeviceWindow,
-                                deviceFlags,
-                                &d3dpp,
-                                d3dpp.Windowed ? nullptr : &currentMode,
-                                &m_Device);
-
-    d3d9ex->Release();
-
-    if (FAILED(hr)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "CreateDeviceEx() failed: %x",
-                     hr);
-        return false;
-    }
-
-    hr = m_Device->SetMaximumFrameLatency(1);
-    if (FAILED(hr)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SetMaximumFrameLatency() failed: %x",
-                     hr);
-        return false;
-    }
-
-    return true;
-}
-
-bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, int height, int, bool enableVsync)
 {
     m_VideoFormat = videoFormat;
-    m_VideoWidth = width;
+    m_Width = width;
-    m_VideoHeight = height;
+    m_Height = height;
 
-    RtlZeroMemory(&m_Desc, sizeof(m_Desc));
+    // FFmpeg will be decoding on different threads than the main thread that we're
+    // currently running on right now. We must set this hint so SDL will pass
+    // D3DCREATE_MULTITHREADED to IDirect3D9::CreateDevice().
+    SDL_SetHint(SDL_HINT_RENDER_DIRECT3D_THREADSAFE, "1");
 
-    int alignment;
+    // We want VSYNC when running in full-screen. DWM will give us
-
+    // tear-free video when running composited (windowed) without any
-    // HEVC using DXVA requires 128B alignment
+    // extra latency waiting for VSYNC.
-    if (m_VideoFormat & VIDEO_FORMAT_MASK_H265) {
+    m_SdlRenderer = SDL_CreateRenderer(window, -1,
-        alignment = 128;
+                                       SDL_RENDERER_ACCELERATED |
-    }
+                                       ((SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) ?
-    else {
+                                           SDL_RENDERER_PRESENTVSYNC : 0));
-        alignment = 16;
+    if (!m_SdlRenderer) {
-    }
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-
+                     "SDL_CreateRenderer() failed: %s",
-    m_Desc.SampleWidth = FFALIGN(m_VideoWidth, alignment);
+                     SDL_GetError());
-    m_Desc.SampleHeight = FFALIGN(m_VideoHeight, alignment);
-    m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
-    m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_Unknown;
-    m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
-    m_Desc.SampleFormat.VideoLighting = DXVA2_VideoLighting_Unknown;
-    m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
-    m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
-    m_Desc.SampleFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
-    m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
-
-    if (!initializeDevice(window, enableVsync)) {
         return false;
     }
 
+    m_Device = SDL_RenderGetD3D9Device(m_SdlRenderer);
+
+    RtlZeroMemory(&m_Desc, sizeof(m_Desc));
+    m_Desc.SampleWidth = m_Width;
+    m_Desc.SampleHeight = m_Height;
+    m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_ProgressiveChroma;
+    m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_0_255;
+    m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT709;
+    m_Desc.SampleFormat.VideoLighting = DXVA2_VideoLighting_dim;
+    m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT709;
+    m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_709;
+    m_Desc.SampleFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
+    m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
+
     if (!initializeDecoder()) {
         return false;
     }
@@ -613,158 +385,51 @@ bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, i
         return false;
     }
 
-    // For some reason, using Direct3D9Ex breaks this with multi-monitor setups.
-    // When focus is lost, the window is minimized then immediately restored without
-    // input focus. This glitches out the renderer and a bunch of other stuff.
-    // Direct3D9Ex itself seems to have this minimize on focus loss behavior on its
-    // own, so just disable SDL's handling of the focus loss event.
-    SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
-
     return true;
 }
 
-bool DXVA2Renderer::needsTestFrame()
+void DXVA2Renderer::renderFrame(AVFrame* frame)
-{
-    // We validate the DXVA2 profiles are supported
-    // in initialize() so no test frame is required
-    return false;
-}
-
-int DXVA2Renderer::getDecoderCapabilities()
-{
-    return 0;
-}
-
-IFFmpegRenderer::VSyncConstraint DXVA2Renderer::getVsyncConstraint()
-{
-    return VSYNC_ANY;
-}
-
-void DXVA2Renderer::renderFrameAtVsync(AVFrame *frame)
 {
     IDirect3DSurface9* surface = reinterpret_cast<IDirect3DSurface9*>(frame->data[3]);
     HRESULT hr;
 
-    switch (frame->color_range) {
+    hr = m_Device->TestCooperativeLevel();
-    case AVCOL_RANGE_JPEG:
+    switch (hr) {
-        m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_0_255;
+    case D3D_OK:
-        break;
-    case AVCOL_RANGE_MPEG:
-        m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_16_235;
         break;
+    case D3DERR_DEVICELOST:
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "D3D device lost!");
+        return;
+    case D3DERR_DEVICENOTRESET:
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "D3D device not reset!");
+        return;
     default:
-        m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_Unknown;
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-        break;
+                     "Unknown D3D error: %x",
-    }
+                     hr);
-
+        return;
-    switch (frame->color_primaries) {
-    case AVCOL_PRI_BT709:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT709;
-        break;
-    case AVCOL_PRI_BT470M:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysM;
-        break;
-    case AVCOL_PRI_BT470BG:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysBG;
-        break;
-    case AVCOL_PRI_SMPTE170M:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE170M;
-        break;
-    case AVCOL_PRI_SMPTE240M:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE240M;
-        break;
-    default:
-        m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
-        break;
-    }
-
-    switch (frame->color_trc) {
-    case AVCOL_TRC_SMPTE170M:
-    case AVCOL_TRC_BT709:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_709;
-        break;
-    case AVCOL_TRC_LINEAR:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_10;
-        break;
-    case AVCOL_TRC_GAMMA22:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_22;
-        break;
-    case AVCOL_TRC_GAMMA28:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_28;
-        break;
-    case AVCOL_TRC_SMPTE240M:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_240M;
-        break;
-    case AVCOL_TRC_IEC61966_2_1:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_sRGB;
-        break;
-    default:
-        m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
-        break;
-    }
-
-    switch (frame->colorspace) {
-    case AVCOL_SPC_BT709:
-        m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT709;
-        break;
-    case AVCOL_SPC_BT470BG:
-    case AVCOL_SPC_SMPTE170M:
-        m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT601;
-        break;
-    case AVCOL_SPC_SMPTE240M:
-        m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_SMPTE240M;
-        break;
-    default:
-        m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
-        break;
-    }
-
-    switch (frame->chroma_location) {
-    case AVCHROMA_LOC_LEFT:
-        m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
-                                                     DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
-        break;
-    case AVCHROMA_LOC_CENTER:
-        m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
-        break;
-    case AVCHROMA_LOC_TOPLEFT:
-        m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
-                                                     DXVA2_VideoChromaSubsampling_Vertically_Cosited;
-        break;
-    default:
-        m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
-        break;
     }
 
     DXVA2_VideoSample sample = {};
     sample.Start = m_FrameIndex;
     sample.End = m_FrameIndex + 1;
     sample.SrcSurface = surface;
-    sample.SrcRect.right = m_VideoWidth;
+    sample.SrcRect.right = m_Desc.SampleWidth;
-    sample.SrcRect.bottom = m_VideoHeight;
+    sample.SrcRect.bottom = m_Desc.SampleHeight;
+    sample.DstRect = sample.SrcRect;
     sample.SampleFormat = m_Desc.SampleFormat;
     sample.PlanarAlpha = DXVA2_Fixed32OpaqueAlpha();
 
-    // Center in frame and preserve aspect ratio
-    SDL_Rect src, dst;
-    src.x = src.y = 0;
-    src.w = m_VideoWidth;
-    src.h = m_VideoHeight;
-    dst.x = dst.y = 0;
-    dst.w = m_DisplayWidth;
-    dst.h = m_DisplayHeight;
-
-    StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
-
-    sample.DstRect.left = dst.x;
-    sample.DstRect.right = dst.x + dst.w;
-    sample.DstRect.top = dst.y;
-    sample.DstRect.bottom = dst.y + dst.h;
-
     DXVA2_VideoProcessBltParams bltParams = {};
 
     bltParams.TargetFrame = m_FrameIndex++;
-    bltParams.TargetRect = sample.DstRect;
+    bltParams.TargetRect.right = m_Desc.SampleWidth;
+    bltParams.TargetRect.bottom = m_Desc.SampleHeight;
+    bltParams.BackgroundColor.Y = 0x1000;
+    bltParams.BackgroundColor.Cb = 0x8000;
+    bltParams.BackgroundColor.Cr = 0x8000;
     bltParams.BackgroundColor.Alpha = 0xFFFF;
 
     bltParams.DestFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
@@ -776,27 +441,12 @@ void DXVA2Renderer::renderFrameAtVsync(AVFrame *frame)
 
     bltParams.Alpha = DXVA2_Fixed32OpaqueAlpha();
 
-    m_Device->Clear(0, nullptr, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, 0, 0, 0), 0.0f, 0);
-
     hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr);
     if (FAILED(hr)) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "VideoProcessBlt() failed: %x",
                      hr);
-        SDL_Event event;
-        event.type = SDL_RENDER_TARGETS_RESET;
-        SDL_PushEvent(&event);
-        return;
     }
 
-    hr = m_Device->PresentEx(nullptr, nullptr, nullptr, nullptr, 0);
+    m_Device->Present(nullptr, nullptr, nullptr, nullptr);
-    if (FAILED(hr)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "PresentEx() failed: %x",
-                     hr);
-        SDL_Event event;
-        event.type = SDL_RENDER_TARGETS_RESET;
-        SDL_PushEvent(&event);
-        return;
-    }
 }

app/streaming/video/ffmpeg-renderers/dxva2.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "renderer.h"
-#include "pacer/pacer.h"
 
 #include <d3d9.h>
 #include <dxva2api.h>
@@ -18,20 +17,13 @@ public:
     virtual bool initialize(SDL_Window* window,
                             int videoFormat,
                             int width,
-                            int height,
+                            int height);
-                            int maxFps,
-                            bool enableVsync);
     virtual bool prepareDecoderContext(AVCodecContext* context);
-    virtual void renderFrameAtVsync(AVFrame* frame);
+    virtual void renderFrame(AVFrame* frame);
-    virtual bool needsTestFrame();
-    virtual int getDecoderCapabilities();
-    virtual VSyncConstraint getVsyncConstraint();
 
 private:
     bool initializeDecoder();
     bool initializeRenderer();
-    bool initializeDevice(SDL_Window* window, bool enableVsync);
-    bool isDecoderBlacklisted();
 
     static
     AVBufferRef* ffPoolAlloc(void* opaque, int size);
@@ -42,12 +34,15 @@ private:
     static
     int ffGetBuffer2(AVCodecContext* context, AVFrame* frame, int flags);
 
-    int m_VideoFormat;
+    static
-    int m_VideoWidth;
+    enum AVPixelFormat ffGetFormat(AVCodecContext*,
-    int m_VideoHeight;
+                                   const enum AVPixelFormat* pixFmts);
 
-    int m_DisplayWidth;
+    int m_VideoFormat;
-    int m_DisplayHeight;
+    int m_Width;
+    int m_Height;
+
+    SDL_Renderer* m_SdlRenderer;
 
     struct dxva_context m_DXVAContext;
     IDirect3DSurface9* m_DecSurfaces[19];
@@ -57,7 +52,7 @@ private:
     int m_SurfacesUsed;
     AVBufferPool* m_Pool;
 
-    IDirect3DDevice9Ex* m_Device;
+    IDirect3DDevice9* m_Device;
     IDirect3DSurface9* m_RenderTarget;
     IDirectXVideoProcessorService* m_ProcService;
     IDirectXVideoProcessor* m_Processor;

app/streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#include "pacer.h"
-
-class DisplayLinkVsyncSourceFactory
-{
-public:
-    static
-    IVsyncSource* createVsyncSource(Pacer* pacer);
-};
-

app/streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.mm

@@ -1,132 +0,0 @@
-#include "displaylinkvsyncsource.h"
-
-#include <SDL_syswm.h>
-
-#include <CoreVideo/CoreVideo.h>
-
-#import <Cocoa/Cocoa.h>
-
-class DisplayLinkVsyncSource : public IVsyncSource
-{
-public:
-    DisplayLinkVsyncSource(Pacer* pacer)
-        : m_Pacer(pacer),
-          m_DisplayLink(nullptr)
-    {
-
-    }
-
-    virtual ~DisplayLinkVsyncSource() override
-    {
-        if (m_DisplayLink != nullptr) {
-            CVDisplayLinkStop(m_DisplayLink);
-            CVDisplayLinkRelease(m_DisplayLink);
-        }
-    }
-
-    static
-    CGDirectDisplayID
-    getDisplayID(NSScreen* screen)
-    {
-        NSNumber* screenNumber = [screen deviceDescription][@"NSScreenNumber"];
-        return [screenNumber unsignedIntValue];
-    }
-
-    static
-    CVReturn
-    displayLinkOutputCallback(
-        CVDisplayLinkRef displayLink,
-        const CVTimeStamp* /* now */,
-        const CVTimeStamp* /* vsyncTime */,
-        CVOptionFlags,
-        CVOptionFlags*,
-        void *displayLinkContext)
-    {
-        auto me = reinterpret_cast<DisplayLinkVsyncSource*>(displayLinkContext);
-
-        SDL_assert(displayLink == me->m_DisplayLink);
-
-        // In my testing on macOS 10.13, this callback is invoked about 24 ms
-        // prior to the specified v-sync time (now - vsyncTime). Since this is
-        // greater than the standard v-sync interval (16 ms = 60 FPS), we will
-        // draw using the current host time, rather than the actual v-sync target
-        // time. Because the CVDisplayLink is in sync with the actual v-sync
-        // interval, even if many ms prior, we can safely use the current host time
-        // and get a consistent callback for each v-sync. This reduces video latency
-        // by at least 1 frame vs. rendering with the actual vsyncTime.
-        me->m_Pacer->vsyncCallback(500 / me->m_DisplayFps);
-
-        return kCVReturnSuccess;
-    }
-
-    virtual bool initialize(SDL_Window* window, int displayFps) override
-    {
-        SDL_SysWMinfo info;
-
-        SDL_VERSION(&info.version);
-
-        if (!SDL_GetWindowWMInfo(window, &info)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "SDL_GetWindowWMInfo() failed: %s",
-                         SDL_GetError());
-            return false;
-        }
-
-        SDL_assert(info.subsystem == SDL_SYSWM_COCOA);
-
-        m_DisplayFps = displayFps;
-
-        NSScreen* screen = [info.info.cocoa.window screen];
-        CVReturn status;
-        if (screen == nullptr) {
-            // Window not visible on any display, so use a
-            // CVDisplayLink that can work with all active displays.
-            // When we become visible, we'll recreate ourselves
-            // and associate with the new screen.
-            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                        "NSWindow is not visible on any display");
-            status = CVDisplayLinkCreateWithActiveCGDisplays(&m_DisplayLink);
-        }
-        else {
-            CGDirectDisplayID displayId;
-            displayId = getDisplayID(screen);
-            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                        "NSWindow on display: %x",
-                        displayId);
-            status = CVDisplayLinkCreateWithCGDisplay(displayId, &m_DisplayLink);
-        }
-        if (status != kCVReturnSuccess) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Failed to create CVDisplayLink: %d",
-                         status);
-            return false;
-        }
-
-        status = CVDisplayLinkSetOutputCallback(m_DisplayLink, displayLinkOutputCallback, this);
-        if (status != kCVReturnSuccess) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "CVDisplayLinkSetOutputCallback() failed: %d",
-                         status);
-            return false;
-        }
-
-        status = CVDisplayLinkStart(m_DisplayLink);
-        if (status != kCVReturnSuccess) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "CVDisplayLinkStart() failed: %d",
-                         status);
-            return false;
-        }
-
-        return true;
-    }
-
-private:
-    Pacer* m_Pacer;
-    CVDisplayLinkRef m_DisplayLink;
-    int m_DisplayFps;
-};
-
-IVsyncSource* DisplayLinkVsyncSourceFactory::createVsyncSource(Pacer* pacer) {
-    return new DisplayLinkVsyncSource(pacer);
-}

app/streaming/video/ffmpeg-renderers/pacer/dxvsyncsource.cpp

@@ -1,168 +0,0 @@
-#include "dxvsyncsource.h"
-
-// Useful references:
-// https://bugs.chromium.org/p/chromium/issues/detail?id=467617
-// https://chromium.googlesource.com/chromium/src.git/+/c564f2fe339b2b2abb0c8773c90c83215670ea71/gpu/ipc/service/gpu_vsync_provider_win.cc
-
-DxVsyncSource::DxVsyncSource(Pacer* pacer) :
-    m_Pacer(pacer),
-    m_Thread(nullptr),
-    m_Gdi32Handle(nullptr)
-{
-    SDL_AtomicSet(&m_Stopping, 0);
-}
-
-DxVsyncSource::~DxVsyncSource()
-{
-    if (m_Thread != nullptr) {
-        SDL_AtomicSet(&m_Stopping, 1);
-        SDL_WaitThread(m_Thread, nullptr);
-    }
-
-    if (m_Gdi32Handle != nullptr) {
-        FreeLibrary(m_Gdi32Handle);
-    }
-}
-
-bool DxVsyncSource::initialize(SDL_Window* window, int displayFps)
-{
-    m_DisplayFps = displayFps;
-
-    m_Gdi32Handle = LoadLibraryA("gdi32.dll");
-    if (m_Gdi32Handle == nullptr) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to load gdi32.dll: %d",
-                     GetLastError());
-        return false;
-    }
-
-    m_D3DKMTOpenAdapterFromHdc = (PFND3DKMTOPENADAPTERFROMHDC)GetProcAddress(m_Gdi32Handle, "D3DKMTOpenAdapterFromHdc");
-    m_D3DKMTCloseAdapter = (PFND3DKMTCLOSEADAPTER)GetProcAddress(m_Gdi32Handle, "D3DKMTCloseAdapter");
-    m_D3DKMTWaitForVerticalBlankEvent = (PFND3DKMTWAITFORVERTICALBLANKEVENT)GetProcAddress(m_Gdi32Handle, "D3DKMTWaitForVerticalBlankEvent");
-
-    if (m_D3DKMTOpenAdapterFromHdc == nullptr ||
-            m_D3DKMTCloseAdapter == nullptr ||
-            m_D3DKMTWaitForVerticalBlankEvent == nullptr) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Missing required function in gdi32.dll");
-        return false;
-    }
-
-    SDL_SysWMinfo info;
-
-    SDL_VERSION(&info.version);
-
-    if (!SDL_GetWindowWMInfo(window, &info)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_GetWindowWMInfo() failed: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    m_Window = info.info.win.window;
-
-    m_Thread = SDL_CreateThread(vsyncThread, "DX Vsync Thread", this);
-    if (m_Thread == nullptr) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Unable to create DX V-sync thread: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    return true;
-}
-
-int DxVsyncSource::vsyncThread(void* context)
-{
-    DxVsyncSource* me = reinterpret_cast<DxVsyncSource*>(context);
-
-    SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
-
-    D3DKMT_OPENADAPTERFROMHDC openAdapterParams = {};
-    HMONITOR lastMonitor = nullptr;
-    DEVMODEA monitorMode;
-    monitorMode.dmSize = sizeof(monitorMode);
-
-    while (SDL_AtomicGet(&me->m_Stopping) == 0) {
-        D3DKMT_WAITFORVERTICALBLANKEVENT waitForVblankEventParams;
-        NTSTATUS status;
-
-        // If the monitor has changed from last time, open the new adapter
-        HMONITOR currentMonitor = MonitorFromWindow(me->m_Window, MONITOR_DEFAULTTONEAREST);
-        if (currentMonitor != lastMonitor) {
-            MONITORINFOEXA monitorInfo = {};
-            monitorInfo.cbSize = sizeof(monitorInfo);
-            if (!GetMonitorInfoA(currentMonitor, &monitorInfo)) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                             "GetMonitorInfo() failed: %d",
-                             GetLastError());
-                SDL_Delay(10);
-                continue;
-            }
-
-            if (!EnumDisplaySettingsA(monitorInfo.szDevice, ENUM_CURRENT_SETTINGS, &monitorMode)) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                             "EnumDisplaySettings() failed: %d",
-                             GetLastError());
-                SDL_Delay(10);
-                continue;
-            }
-
-            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                        "Monitor changed: %s %d Hz",
-                        monitorInfo.szDevice,
-                        monitorMode.dmDisplayFrequency);
-
-            if (openAdapterParams.hAdapter != 0) {
-                D3DKMT_CLOSEADAPTER closeAdapterParams = {};
-                closeAdapterParams.hAdapter = openAdapterParams.hAdapter;
-                me->m_D3DKMTCloseAdapter(&closeAdapterParams);
-            }
-
-            openAdapterParams.hDc = CreateDCA(nullptr, monitorInfo.szDevice, nullptr, nullptr);
-            if (!openAdapterParams.hDc) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                             "CreateDC() failed: %d",
-                             GetLastError());
-                SDL_Delay(10);
-                continue;
-            }
-
-            status = me->m_D3DKMTOpenAdapterFromHdc(&openAdapterParams);
-            DeleteDC(openAdapterParams.hDc);
-
-            if (status != STATUS_SUCCESS) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                             "D3DKMTOpenAdapterFromHdc() failed: %x",
-                             status);
-                SDL_Delay(10);
-                continue;
-            }
-
-            lastMonitor = currentMonitor;
-        }
-
-        waitForVblankEventParams.hAdapter = openAdapterParams.hAdapter;
-        waitForVblankEventParams.hDevice = 0;
-        waitForVblankEventParams.VidPnSourceId = openAdapterParams.VidPnSourceId;
-
-        status = me->m_D3DKMTWaitForVerticalBlankEvent(&waitForVblankEventParams);
-        if (status != STATUS_SUCCESS) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "D3DKMTWaitForVerticalBlankEvent() failed: %x",
-                         status);
-            SDL_Delay(10);
-            continue;
-        }
-
-        me->m_Pacer->vsyncCallback(1000 / me->m_DisplayFps);
-    }
-
-    if (openAdapterParams.hAdapter != 0) {
-        D3DKMT_CLOSEADAPTER closeAdapterParams = {};
-        closeAdapterParams.hAdapter = openAdapterParams.hAdapter;
-        me->m_D3DKMTCloseAdapter(&closeAdapterParams);
-    }
-
-    return 0;
-}

app/streaming/video/ffmpeg-renderers/pacer/dxvsyncsource.h

@@ -1,53 +0,0 @@
-#pragma once
-
-#include "pacer.h"
-
-#include <SDL_syswm.h>
-
-// from <D3dkmthk.h>
-typedef LONG NTSTATUS;
-typedef UINT D3DKMT_HANDLE;
-typedef UINT D3DDDI_VIDEO_PRESENT_SOURCE_ID;
-#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
-#define STATUS_GRAPHICS_PRESENT_OCCLUDED ((NTSTATUS)0xC01E0006L)
-typedef struct _D3DKMT_OPENADAPTERFROMHDC {
-  HDC hDc;
-  D3DKMT_HANDLE hAdapter;
-  LUID AdapterLuid;
-  D3DDDI_VIDEO_PRESENT_SOURCE_ID VidPnSourceId;
-} D3DKMT_OPENADAPTERFROMHDC;
-typedef struct _D3DKMT_CLOSEADAPTER {
-  D3DKMT_HANDLE hAdapter;
-} D3DKMT_CLOSEADAPTER;
-typedef struct _D3DKMT_WAITFORVERTICALBLANKEVENT {
-  D3DKMT_HANDLE hAdapter;
-  D3DKMT_HANDLE hDevice;
-  D3DDDI_VIDEO_PRESENT_SOURCE_ID VidPnSourceId;
-} D3DKMT_WAITFORVERTICALBLANKEVENT;
-typedef NTSTATUS(APIENTRY* PFND3DKMTOPENADAPTERFROMHDC)(D3DKMT_OPENADAPTERFROMHDC*);
-typedef NTSTATUS(APIENTRY* PFND3DKMTCLOSEADAPTER)(D3DKMT_CLOSEADAPTER*);
-typedef NTSTATUS(APIENTRY* PFND3DKMTWAITFORVERTICALBLANKEVENT)(D3DKMT_WAITFORVERTICALBLANKEVENT*);
-
-class DxVsyncSource : public IVsyncSource
-{
-public:
-    DxVsyncSource(Pacer* pacer);
-
-    virtual ~DxVsyncSource();
-
-    virtual bool initialize(SDL_Window* window, int displayFps);
-
-private:
-    static int vsyncThread(void* context);
-
-    Pacer* m_Pacer;
-    SDL_Thread* m_Thread;
-    SDL_atomic_t m_Stopping;
-    HMODULE m_Gdi32Handle;
-    HWND m_Window;
-    int m_DisplayFps;
-
-    PFND3DKMTOPENADAPTERFROMHDC m_D3DKMTOpenAdapterFromHdc;
-    PFND3DKMTCLOSEADAPTER m_D3DKMTCloseAdapter;
-    PFND3DKMTWAITFORVERTICALBLANKEVENT m_D3DKMTWaitForVerticalBlankEvent;
-};

app/streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.cpp

@@ -1,43 +0,0 @@
-#include "nullthreadedvsyncsource.h"
-
-NullThreadedVsyncSource::NullThreadedVsyncSource(Pacer* pacer) :
-    m_Pacer(pacer),
-    m_Thread(nullptr)
-{
-    SDL_AtomicSet(&m_Stopping, 0);
-}
-
-NullThreadedVsyncSource::~NullThreadedVsyncSource()
-{
-    if (m_Thread != nullptr) {
-        SDL_AtomicSet(&m_Stopping, 1);
-        SDL_WaitThread(m_Thread, nullptr);
-    }
-}
-
-bool NullThreadedVsyncSource::initialize(SDL_Window*, int displayFps)
-{
-    m_DisplayFps = displayFps;
-    m_Thread = SDL_CreateThread(vsyncThread, "Null Vsync Thread", this);
-    if (m_Thread == nullptr) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Unable to create DX V-sync thread: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    return true;
-}
-
-int NullThreadedVsyncSource::vsyncThread(void* context)
-{
-    NullThreadedVsyncSource* me = reinterpret_cast<NullThreadedVsyncSource*>(context);
-
-    SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
-
-    while (SDL_AtomicGet(&me->m_Stopping) == 0) {
-        me->m_Pacer->vsyncCallback(1000 / me->m_DisplayFps);
-    }
-
-    return 0;
-}

app/streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.h

@@ -1,21 +0,0 @@
-#pragma once
-
-#include "pacer.h"
-
-class NullThreadedVsyncSource : public IVsyncSource
-{
-public:
-    NullThreadedVsyncSource(Pacer* pacer);
-
-    virtual ~NullThreadedVsyncSource();
-
-    virtual bool initialize(SDL_Window* window, int displayFps);
-
-private:
-    static int vsyncThread(void* context);
-
-    Pacer* m_Pacer;
-    SDL_Thread* m_Thread;
-    SDL_atomic_t m_Stopping;
-    int m_DisplayFps;
-};

app/streaming/video/ffmpeg-renderers/pacer/pacer.cpp

@@ -1,175 +0,0 @@
-#include "pacer.h"
-#include "streaming/streamutils.h"
-
-#include "nullthreadedvsyncsource.h"
-
-#ifdef Q_OS_DARWIN
-#include "displaylinkvsyncsource.h"
-#endif
-
-#ifdef Q_OS_WIN32
-#include "dxvsyncsource.h"
-#endif
-
-#define FRAME_HISTORY_ENTRIES 8
-
-// We may be woken up slightly late so don't go all the way
-// up to the next V-sync since we may accidentally step into
-// the next V-sync period. It also takes some amount of time
-// to do the render itself, so we can't render right before
-// V-sync happens.
-#define TIMER_SLACK_MS 3
-
-Pacer::Pacer(IFFmpegRenderer* renderer) :
-    m_FrameQueueLock(0),
-    m_VsyncSource(nullptr),
-    m_VsyncRenderer(renderer),
-    m_MaxVideoFps(0),
-    m_DisplayFps(0)
-{
-
-}
-
-Pacer::~Pacer()
-{
-    // Stop V-sync callbacks
-    delete m_VsyncSource;
-    m_VsyncSource = nullptr;
-
-    while (!m_FrameQueue.isEmpty()) {
-        AVFrame* frame = m_FrameQueue.dequeue();
-        av_frame_free(&frame);
-    }
-}
-
-// Called in an arbitrary thread by the IVsyncSource on V-sync
-// or an event synchronized with V-sync
-void Pacer::vsyncCallback(int timeUntilNextVsyncMillis)
-{
-    // Make sure initialize() has been called
-    SDL_assert(m_MaxVideoFps != 0);
-
-    SDL_assert(timeUntilNextVsyncMillis >= TIMER_SLACK_MS);
-
-    Uint32 vsyncCallbackStartTime = SDL_GetTicks();
-
-    SDL_AtomicLock(&m_FrameQueueLock);
-
-    // If the queue length history entries are large, be strict
-    // about dropping excess frames.
-    int frameDropTarget = 1;
-
-    // If we may get more frames per second than we can display, use
-    // frame history to drop frames only if consistently above the
-    // one queued frame mark.
-    if (m_MaxVideoFps >= m_DisplayFps) {
-        for (int i = 0; i < m_FrameQueueHistory.count(); i++) {
-            if (m_FrameQueueHistory[i] <= 1) {
-                // Be lenient as long as the queue length
-                // resolves before the end of frame history
-                frameDropTarget = 3;
-                break;
-            }
-        }
-
-        if (m_FrameQueueHistory.count() == FRAME_HISTORY_ENTRIES) {
-            m_FrameQueueHistory.dequeue();
-        }
-
-        m_FrameQueueHistory.enqueue(m_FrameQueue.count());
-    }
-
-    // Catch up if we're several frames ahead
-    while (m_FrameQueue.count() > frameDropTarget) {
-        AVFrame* frame = m_FrameQueue.dequeue();
-        av_frame_free(&frame);
-    }
-
-
-    if (m_FrameQueue.isEmpty()) {
-        SDL_AtomicUnlock(&m_FrameQueueLock);
-
-        while (!SDL_TICKS_PASSED(SDL_GetTicks(),
-                                 vsyncCallbackStartTime + timeUntilNextVsyncMillis - TIMER_SLACK_MS)) {
-            SDL_Delay(1);
-
-            SDL_AtomicLock(&m_FrameQueueLock);
-            if (!m_FrameQueue.isEmpty()) {
-                // Don't release the lock
-                goto RenderNextFrame;
-            }
-            SDL_AtomicUnlock(&m_FrameQueueLock);
-        }
-
-        // Nothing to render at this time
-        return;
-    }
-
-RenderNextFrame:
-    // Grab the first frame
-    AVFrame* frame = m_FrameQueue.dequeue();
-    SDL_AtomicUnlock(&m_FrameQueueLock);
-
-    // Render it
-    m_VsyncRenderer->renderFrameAtVsync(frame);
-
-    // Free the frame
-    av_frame_free(&frame);
-}
-
-bool Pacer::initialize(SDL_Window* window, int maxVideoFps, bool enableVsync)
-{
-    m_MaxVideoFps = maxVideoFps;
-    m_EnableVsync = enableVsync;
-    m_DisplayFps = StreamUtils::getDisplayRefreshRate(window);
-
-    if (m_EnableVsync) {
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "Frame pacing in tear-free mode: target %d Hz with %d FPS stream",
-                    m_DisplayFps, m_MaxVideoFps);
-
-    #if defined(Q_OS_DARWIN)
-        m_VsyncSource = DisplayLinkVsyncSourceFactory::createVsyncSource(this);
-    #elif defined(Q_OS_WIN32)
-        m_VsyncSource = new DxVsyncSource(this);
-    #else
-        // Platforms without a VsyncSource will just render frames
-        // immediately like they used to.
-    #endif
-
-        if (m_VsyncSource != nullptr && !m_VsyncSource->initialize(window, m_DisplayFps)) {
-            return false;
-        }
-    }
-    else {
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "Minimal latency tearing mode: target %d Hz with %d FPS stream",
-                    m_DisplayFps, m_MaxVideoFps);
-    }
-
-    return true;
-}
-
-void Pacer::submitFrame(AVFrame* frame)
-{
-    // Make sure initialize() has been called
-    SDL_assert(m_MaxVideoFps != 0);
-
-    // Queue the frame until the V-sync callback if
-    // we have a V-sync source, otherwise deliver it
-    // immediately and hope for the best.
-    if (isUsingFrameQueue()) {
-        SDL_AtomicLock(&m_FrameQueueLock);
-        m_FrameQueue.enqueue(frame);
-        SDL_AtomicUnlock(&m_FrameQueueLock);
-    }
-    else {
-        m_VsyncRenderer->renderFrameAtVsync(frame);
-        av_frame_free(&frame);
-    }
-}
-
-bool Pacer::isUsingFrameQueue()
-{
-    return m_VsyncSource != nullptr;
-}

app/streaming/video/ffmpeg-renderers/pacer/pacer.h

@@ -1,38 +0,0 @@
-#pragma once
-
-#include "../renderer.h"
-
-#include <QQueue>
-
-class IVsyncSource {
-public:
-    virtual ~IVsyncSource() {}
-    virtual bool initialize(SDL_Window* window, int displayFps) = 0;
-};
-
-class Pacer
-{
-public:
-    Pacer(IFFmpegRenderer* renderer);
-
-    ~Pacer();
-
-    void submitFrame(AVFrame* frame);
-
-    bool initialize(SDL_Window* window, int maxVideoFps, bool enableVsync);
-
-    void vsyncCallback(int timeUntilNextVsyncMillis);
-
-    bool isUsingFrameQueue();
-
-private:
-    QQueue<AVFrame*> m_FrameQueue;
-    QQueue<int> m_FrameQueueHistory;
-    SDL_SpinLock m_FrameQueueLock;
-
-    IVsyncSource* m_VsyncSource;
-    IFFmpegRenderer* m_VsyncRenderer;
-    int m_MaxVideoFps;
-    int m_DisplayFps;
-    bool m_EnableVsync;
-};

app/streaming/video/ffmpeg-renderers/renderer.h

@@ -8,24 +8,13 @@ extern "C" {
 
 class IFFmpegRenderer {
 public:
-    enum VSyncConstraint {
-        VSYNC_FORCE_OFF,
-        VSYNC_FORCE_ON,
-        VSYNC_ANY
-    };
-
     virtual ~IFFmpegRenderer() {}
     virtual bool initialize(SDL_Window* window,
                             int videoFormat,
                             int width,
-                            int height,
+                            int height) = 0;
-                            int maxFps,
-                            bool enableVsync) = 0;
     virtual bool prepareDecoderContext(AVCodecContext* context) = 0;
-    virtual void renderFrameAtVsync(AVFrame* frame) = 0;
+    virtual void renderFrame(AVFrame* frame) = 0;
-    virtual bool needsTestFrame() = 0;
-    virtual int getDecoderCapabilities() = 0;
-    virtual VSyncConstraint getVsyncConstraint() = 0;
 };
 
 class SdlRenderer : public IFFmpegRenderer {
@@ -35,14 +24,9 @@ public:
     virtual bool initialize(SDL_Window* window,
                             int videoFormat,
                             int width,
-                            int height,
+                            int height);
-                            int maxFps,
-                            bool enableVsync);
     virtual bool prepareDecoderContext(AVCodecContext* context);
-    virtual void renderFrameAtVsync(AVFrame* frame);
+    virtual void renderFrame(AVFrame* frame);
-    virtual bool needsTestFrame();
-    virtual int getDecoderCapabilities();
-    virtual VSyncConstraint getVsyncConstraint();
 
 private:
     SDL_Renderer* m_Renderer;

app/streaming/video/ffmpeg-renderers/sdl.cpp

@@ -1,7 +1,5 @@
 #include "renderer.h"
 
-#include <Limelight.h>
-
 SdlRenderer::SdlRenderer()
     : m_Renderer(nullptr),
       m_Texture(nullptr)
@@ -23,50 +21,15 @@ SdlRenderer::~SdlRenderer()
 bool SdlRenderer::prepareDecoderContext(AVCodecContext*)
 {
     /* Nothing to do */
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Using SDL software renderer");
-
     return true;
 }
 
-bool SdlRenderer::needsTestFrame()
-{
-    // This renderer should always work
-    return false;
-}
-
-int SdlRenderer::getDecoderCapabilities()
-{
-    // The FFmpeg CPU decoder can handle reference frame invalidation,
-    // but only for H.264.
-    return CAPABILITY_REFERENCE_FRAME_INVALIDATION_AVC;
-}
-
-IFFmpegRenderer::VSyncConstraint SdlRenderer::getVsyncConstraint()
-{
-    return VSYNC_ANY;
-}
-
 bool SdlRenderer::initialize(SDL_Window* window,
                              int,
                              int width,
-                             int height,
+                             int height)
-                             int,
-                             bool enableVsync)
 {
-    Uint32 rendererFlags = SDL_RENDERER_ACCELERATED;
+    m_Renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
-
-    if ((SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
-        // In full-screen exclusive mode, we enable V-sync if requested. For other modes, Windows and Mac
-        // have compositors that make rendering tear-free. Linux compositor varies by distro and user
-        // configuration but doesn't seem feasible to detect here.
-        if (enableVsync) {
-            rendererFlags |= SDL_RENDERER_PRESENTVSYNC;
-        }
-    }
-
-    m_Renderer = SDL_CreateRenderer(window, -1, rendererFlags);
     if (!m_Renderer) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "SDL_CreateRenderer() failed: %s",
@@ -78,11 +41,6 @@ bool SdlRenderer::initialize(SDL_Window* window,
     // logical rendering surface size is equal to the stream size
     SDL_RenderSetLogicalSize(m_Renderer, width, height);
 
-    // Draw a black frame until the video stream starts rendering
-    SDL_SetRenderDrawColor(m_Renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
-    SDL_RenderClear(m_Renderer);
-    SDL_RenderPresent(m_Renderer);
-
     m_Texture = SDL_CreateTexture(m_Renderer,
                                   SDL_PIXELFORMAT_YV12,
                                   SDL_TEXTUREACCESS_STREAMING,
@@ -98,7 +56,7 @@ bool SdlRenderer::initialize(SDL_Window* window,
     return true;
 }
 
-void SdlRenderer::renderFrameAtVsync(AVFrame* frame)
+void SdlRenderer::renderFrame(AVFrame* frame)
 {
     SDL_UpdateYUVTexture(m_Texture, nullptr,
                          frame->data[0],
@@ -107,7 +65,6 @@ void SdlRenderer::renderFrameAtVsync(AVFrame* frame)
                          frame->linesize[1],
                          frame->data[2],
                          frame->linesize[2]);
-
     SDL_RenderClear(m_Renderer);
     SDL_RenderCopy(m_Renderer, m_Texture, nullptr, nullptr);
     SDL_RenderPresent(m_Renderer);

app/streaming/video/ffmpeg-renderers/vaapi.cpp

@@ -1,219 +0,0 @@
-#include "vaapi.h"
-#include <streaming/streamutils.h>
-
-#include <SDL_syswm.h>
-
-VAAPIRenderer::VAAPIRenderer()
-    : m_HwContext(nullptr)
-{
-
-}
-
-VAAPIRenderer::~VAAPIRenderer()
-{
-    if (m_HwContext != nullptr) {
-        AVHWDeviceContext* deviceContext = (AVHWDeviceContext*)m_HwContext->data;
-        AVVAAPIDeviceContext* vaDeviceContext = (AVVAAPIDeviceContext*)deviceContext->hwctx;
-
-        // Hold onto this VADisplay since we'll need it to uninitialize VAAPI
-        VADisplay display = vaDeviceContext->display;
-
-        av_buffer_unref(&m_HwContext);
-
-        if (display) {
-            vaTerminate(display);
-        }
-    }
-}
-
-bool
-VAAPIRenderer::initialize(SDL_Window* window, int, int width, int height, int, bool)
-{
-    int err;
-    SDL_SysWMinfo info;
-
-    m_VideoWidth = width;
-    m_VideoHeight = height;
-
-    SDL_GetWindowSize(window, &m_DisplayWidth, &m_DisplayHeight);
-
-    SDL_VERSION(&info.version);
-
-    if (!SDL_GetWindowWMInfo(window, &info)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_GetWindowWMInfo() failed: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    m_HwContext = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
-    if (!m_HwContext) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                    "Failed to allocate VAAPI context");
-        return false;
-    }
-
-    AVHWDeviceContext* deviceContext = (AVHWDeviceContext*)m_HwContext->data;
-    AVVAAPIDeviceContext* vaDeviceContext = (AVVAAPIDeviceContext*)deviceContext->hwctx;
-
-    m_WindowSystem = info.subsystem;
-    if (info.subsystem == SDL_SYSWM_X11) {
-#ifdef HAVE_LIBVA_X11
-        m_XWindow = info.info.x11.window;
-        vaDeviceContext->display = vaGetDisplay(info.info.x11.display);
-        if (!vaDeviceContext->display) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Unable to open X11 display for VAAPI");
-            return false;
-        }
-#else
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Moonlight not compiled with VAAPI X11 support!");
-        return false;
-#endif
-    }
-    else if (info.subsystem == SDL_SYSWM_WAYLAND) {
-#ifdef HAVE_LIBVA_WAYLAND
-        m_WaylandSurface = info.info.wl.surface;
-        m_WaylandDisplay = info.info.wl.display;
-        vaDeviceContext->display = vaGetDisplayWl(info.info.wl.display);
-        if (!vaDeviceContext->display) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Unable to open Wayland display for VAAPI");
-            return false;
-        }
-#else
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Moonlight not compiled with VAAPI Wayland support!");
-        return false;
-#endif
-    }
-    else {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Unsupported VAAPI rendering subsystem: %d",
-                     info.subsystem);
-        return false;
-    }
-
-    int major, minor;
-    VAStatus status;
-    status = vaInitialize(vaDeviceContext->display, &major, &minor);
-    if (status != VA_STATUS_SUCCESS) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to initialize VAAPI: %d",
-                     status);
-        return false;
-    }
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Initialized VAAPI %d.%d",
-                major, minor);
-
-    // This will populate the driver_quirks
-    err = av_hwdevice_ctx_init(m_HwContext);
-    if (err < 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to initialize VAAPI context: %d",
-                     err);
-        return false;
-    }
-
-    // This quirk is set for the VDPAU wrapper which doesn't work with our VAAPI renderer
-    if (vaDeviceContext->driver_quirks & AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES) {
-        // Fail and let our VDPAU renderer pick this up
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "Avoiding VDPAU wrapper for VAAPI decoding");
-        return false;
-    }
-
-    return true;
-}
-
-bool
-VAAPIRenderer::prepareDecoderContext(AVCodecContext* context)
-{
-    context->hw_device_ctx = av_buffer_ref(m_HwContext);
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Using VAAPI accelerated renderer on %s",
-                m_WindowSystem == SDL_SYSWM_X11 ? "X11" : "Wayland");
-
-    return true;
-}
-
-bool
-VAAPIRenderer::needsTestFrame()
-{
-    // We need a test frame to see if this VAAPI driver
-    // supports the profile used for streaming
-    return true;
-}
-
-int
-VAAPIRenderer::getDecoderCapabilities()
-{
-    return 0;
-}
-
-IFFmpegRenderer::VSyncConstraint VAAPIRenderer::getVsyncConstraint()
-{
-    return VSYNC_ANY;
-}
-
-void
-VAAPIRenderer::renderFrameAtVsync(AVFrame* frame)
-{
-    VASurfaceID surface = (VASurfaceID)(uintptr_t)frame->data[3];
-    AVHWDeviceContext* deviceContext = (AVHWDeviceContext*)m_HwContext->data;
-    AVVAAPIDeviceContext* vaDeviceContext = (AVVAAPIDeviceContext*)deviceContext->hwctx;
-
-    SDL_Rect src, dst;
-    src.x = src.y = 0;
-    src.w = m_VideoWidth;
-    src.h = m_VideoHeight;
-    dst.x = dst.y = 0;
-    dst.w = m_DisplayWidth;
-    dst.h = m_DisplayHeight;
-
-    StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
-
-    if (m_WindowSystem == SDL_SYSWM_X11) {
-#ifdef HAVE_LIBVA_X11
-        vaPutSurface(vaDeviceContext->display,
-                     surface,
-                     m_XWindow,
-                     0, 0,
-                     m_VideoWidth, m_VideoHeight,
-                     dst.x, dst.y,
-                     dst.w, dst.h,
-                     NULL, 0, 0);
-#endif
-    }
-    else if (m_WindowSystem == SDL_SYSWM_WAYLAND) {
-#ifdef HAVE_LIBVA_WAYLAND
-        struct wl_buffer* buffer;
-        VAStatus status;
-
-        status = vaGetSurfaceBufferWl(vaDeviceContext->display,
-                                      surface,
-                                      VA_FRAME_PICTURE,
-                                      &buffer);
-        if (status == VA_STATUS_SUCCESS) {
-            wl_surface_attach(m_WaylandSurface, buffer, 0, 0);
-            wl_surface_damage(m_WaylandSurface, dst.x, dst.y, dst.w, dst.h);
-
-            wl_display_flush(m_WaylandDisplay);
-            wl_surface_commit(m_WaylandSurface);
-        }
-        else {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "vaGetSurfaceBufferWl failed(): %d",
-                         status);
-        }
-#endif
-    }
-    else {
-        // We don't accept anything else in initialize().
-        SDL_assert(false);
-    }
-}

app/streaming/video/ffmpeg-renderers/vaapi.h

@@ -1,62 +0,0 @@
-#pragma once
-
-#include "renderer.h"
-
-// Avoid X11 if SDL was built without it
-#ifndef SDL_VIDEO_DRIVER_X11
-#warning Unable to use libva-x11 without SDL support
-#undef HAVE_LIBVA_X11
-#endif
-
-// Avoid Wayland if SDL was built without it
-#ifndef SDL_VIDEO_DRIVER_WAYLAND
-#warning Unable to use libva-wayland without SDL support
-#undef HAVE_LIBVA_WAYLAND
-#endif
-
-extern "C" {
-#include <va/va.h>
-#ifdef HAVE_LIBVA_X11
-#include <va/va_x11.h>
-#endif
-#ifdef HAVE_LIBVA_WAYLAND
-#include <va/va_wayland.h>
-#endif
-#include <libavutil/hwcontext_vaapi.h>
-}
-
-class VAAPIRenderer : public IFFmpegRenderer
-{
-public:
-    VAAPIRenderer();
-    virtual ~VAAPIRenderer();
-    virtual bool initialize(SDL_Window* window,
-                            int videoFormat,
-                            int width,
-                            int height,
-                            int maxFps,
-                            bool enableVsync);
-    virtual bool prepareDecoderContext(AVCodecContext* context);
-    virtual void renderFrameAtVsync(AVFrame* frame);
-    virtual bool needsTestFrame();
-    virtual int getDecoderCapabilities();
-    virtual VSyncConstraint getVsyncConstraint();
-
-private:
-    int m_WindowSystem;
-    AVBufferRef* m_HwContext;
-
-#ifdef HAVE_LIBVA_X11
-    Window m_XWindow;
-#endif
-
-#ifdef HAVE_LIBVA_WAYLAND
-    struct wl_surface* m_WaylandSurface;
-    struct wl_display* m_WaylandDisplay;
-#endif
-
-    int m_VideoWidth;
-    int m_VideoHeight;
-    int m_DisplayWidth;
-    int m_DisplayHeight;
-};

app/streaming/video/ffmpeg-renderers/vdpau.cpp

@@ -1,349 +0,0 @@
-#include "vdpau.h"
-#include <streaming/streamutils.h>
-
-#include <SDL_syswm.h>
-
-#define BAIL_ON_FAIL(status, something) if ((status) != VDP_STATUS_OK) { \
-                                            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, \
-                                                        #something " failed: %d", (status)); \
-                                            return false; \
-                                        }
-
-#define GET_PROC_ADDRESS(id, func) status = vdpauCtx->get_proc_address(m_Device, id, (void**)func); \
-                                   BAIL_ON_FAIL(status, id)
-
-const VdpRGBAFormat VDPAURenderer::k_OutputFormats[] = {
-    VDP_RGBA_FORMAT_B8G8R8A8,
-    VDP_RGBA_FORMAT_R8G8B8A8
-};
-
-VDPAURenderer::VDPAURenderer()
-    : m_HwContext(nullptr),
-      m_PresentationQueueTarget(0),
-      m_PresentationQueue(0),
-      m_VideoMixer(0),
-      m_NextSurfaceIndex(0)
-{
-    SDL_zero(m_OutputSurface);
-}
-
-VDPAURenderer::~VDPAURenderer()
-{
-    if (m_PresentationQueue != 0) {
-        m_VdpPresentationQueueDestroy(m_PresentationQueue);
-    }
-
-    if (m_VideoMixer != 0) {
-        m_VdpVideoMixerDestroy(m_VideoMixer);
-    }
-
-    if (m_PresentationQueueTarget != 0) {
-        m_VdpPresentationQueueTargetDestroy(m_PresentationQueueTarget);
-    }
-
-    for (int i = 0; i < OUTPUT_SURFACE_COUNT; i++) {
-        if (m_OutputSurface[i] != 0) {
-            m_VdpOutputSurfaceDestroy(m_OutputSurface[i]);
-        }
-    }
-
-    // This must be done last as it frees VDPAU context required to call
-    // the functions above.
-    if (m_HwContext != nullptr) {
-        av_buffer_unref(&m_HwContext);
-    }
-}
-
-bool VDPAURenderer::initialize(SDL_Window* window, int, int width, int height, int, bool)
-{
-    int err;
-    VdpStatus status;
-    SDL_SysWMinfo info;
-
-    m_VideoWidth = width;
-    m_VideoHeight = height;
-
-    err = av_hwdevice_ctx_create(&m_HwContext,
-                                 AV_HWDEVICE_TYPE_VDPAU,
-                                 nullptr, nullptr, 0);
-    if (err < 0) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to create VDPAU context: %d",
-                     err);
-        return false;
-    }
-
-    AVHWDeviceContext* devCtx = (AVHWDeviceContext*)m_HwContext->data;
-    AVVDPAUDeviceContext* vdpauCtx = (AVVDPAUDeviceContext*)devCtx->hwctx;
-    m_Device = vdpauCtx->device;
-
-    GET_PROC_ADDRESS(VDP_FUNC_ID_GET_ERROR_STRING, &m_VdpGetErrorString);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_TARGET_DESTROY, &m_VdpPresentationQueueTargetDestroy);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_VIDEO_MIXER_CREATE, &m_VdpVideoMixerCreate);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_VIDEO_MIXER_DESTROY, &m_VdpVideoMixerDestroy);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_VIDEO_MIXER_RENDER, &m_VdpVideoMixerRender);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_CREATE, &m_VdpPresentationQueueCreate);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_DESTROY, &m_VdpPresentationQueueDestroy);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_DISPLAY, &m_VdpPresentationQueueDisplay);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_SET_BACKGROUND_COLOR, &m_VdpPresentationQueueSetBackgroundColor);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_BLOCK_UNTIL_SURFACE_IDLE, &m_VdpPresentationQueueBlockUntilSurfaceIdle);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_OUTPUT_SURFACE_CREATE, &m_VdpOutputSurfaceCreate);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_OUTPUT_SURFACE_DESTROY, &m_VdpOutputSurfaceDestroy);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_OUTPUT_SURFACE_QUERY_CAPABILITIES, &m_VdpOutputSurfaceQueryCapabilities);
-    GET_PROC_ADDRESS(VDP_FUNC_ID_VIDEO_SURFACE_GET_PARAMETERS, &m_VdpVideoSurfaceGetParameters);
-
-    SDL_GetWindowSize(window, (int*)&m_DisplayWidth, (int*)&m_DisplayHeight);
-
-    SDL_VERSION(&info.version);
-
-    if (!SDL_GetWindowWMInfo(window, &info)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_GetWindowWMInfo() failed: %s",
-                     SDL_GetError());
-        return false;
-    }
-
-    SDL_assert(info.subsystem == SDL_SYSWM_X11);
-
-    if (info.subsystem == SDL_SYSWM_X11) {
-        GET_PROC_ADDRESS(VDP_FUNC_ID_PRESENTATION_QUEUE_TARGET_CREATE_X11,
-                         &m_VdpPresentationQueueTargetCreateX11);
-        status = m_VdpPresentationQueueTargetCreateX11(m_Device,
-                                                       info.info.x11.window,
-                                                       &m_PresentationQueueTarget);
-        if (status != VDP_STATUS_OK) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "VdpPresentationQueueTargetCreateX11() failed: %s",
-                         m_VdpGetErrorString(status));
-            return false;
-        }
-    }
-    else if (info.subsystem == SDL_SYSWM_WAYLAND) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "VDPAU backend does not currently support Wayland");
-        return false;
-    }
-    else {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Unsupported VDPAU rendering subsystem: %d",
-                     info.subsystem);
-        return false;
-    }
-
-    // Try our available output formats to find something the GPU supports
-    bool foundFormat = false;
-    for (int i = 0; i < OUTPUT_SURFACE_FORMAT_COUNT; i++) {
-        VdpBool supported;
-        uint32_t maxWidth, maxHeight;
-        status = m_VdpOutputSurfaceQueryCapabilities(m_Device, k_OutputFormats[i],
-                                                     &supported, &maxWidth, &maxHeight);
-        if (status != VDP_STATUS_OK) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "VdpOutputSurfaceQueryCapabilities() failed: %s",
-                         m_VdpGetErrorString(status));
-            return false;
-        }
-
-        if (supported) {
-            if (m_DisplayWidth <= maxWidth && m_DisplayHeight <= maxHeight) {
-                m_OutputSurfaceFormat = k_OutputFormats[i];
-                foundFormat = true;
-                break;
-            }
-            else  {
-                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                            "Display size not within capabilities %dx%d vs %dx%d",
-                            m_DisplayWidth, m_DisplayWidth,
-                            maxWidth, maxHeight);
-            }
-        }
-    }
-
-    if (!foundFormat) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "No compatible output surface format found!");
-        return false;
-    }
-
-    // Create the output surfaces
-    for (int i = 0; i < OUTPUT_SURFACE_COUNT; i++) {
-        // It seems there's some lazy freeing going on or something in VDPAU
-        // because we can get VDP_STATUS_RESOURCES, then wait a bit and it'll
-        // complete without a problem.
-        int tries = 1;
-        do {
-            status = m_VdpOutputSurfaceCreate(m_Device, m_OutputSurfaceFormat,
-                                              m_DisplayWidth, m_DisplayHeight,
-                                              &m_OutputSurface[i]);
-            if (status != VDP_STATUS_OK) {
-                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                            "VdpOutputSurfaceCreate() try #%d: %s",
-                            tries,
-                            m_VdpGetErrorString(status));
-                SDL_Delay(250);
-            }
-        } while (status == VDP_STATUS_RESOURCES && ++tries <= 10);
-
-        if (status != VDP_STATUS_OK) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "VdpOutputSurfaceCreate() failed: %s",
-                         m_VdpGetErrorString(status));
-            return false;
-        }
-    }
-
-    status = m_VdpPresentationQueueCreate(m_Device, m_PresentationQueueTarget,
-                                          &m_PresentationQueue);
-    if (status != VDP_STATUS_OK) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "VdpPresentationQueueCreate() failed: %s",
-                     m_VdpGetErrorString(status));
-        return false;
-    }
-
-    // Set the background to opaque black
-    VdpColor color = {0.0, 0.0, 0.0, 1.0};
-    m_VdpPresentationQueueSetBackgroundColor(m_PresentationQueue, &color);
-
-    return true;
-}
-
-bool VDPAURenderer::prepareDecoderContext(AVCodecContext* context)
-{
-    context->hw_device_ctx = av_buffer_ref(m_HwContext);
-
-    // Allow HEVC usage on VDPAU. This was disabled by FFmpeg due to
-    // GL interop issues, but we use VDPAU for rendering so it's no issue.
-    // https://github.com/FFmpeg/FFmpeg/commit/64ecb78b7179cab2dbdf835463104679dbb7c895
-    context->hwaccel_flags |= AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH;
-
-    // This flag is recommended due to hardware underreporting supported levels
-    context->hwaccel_flags |= AV_HWACCEL_FLAG_IGNORE_LEVEL;
-
-    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                "Using VDPAU accelerated renderer");
-
-    return true;
-}
-
-bool VDPAURenderer::needsTestFrame()
-{
-    // We need a test frame to see if this VDPAU driver
-    // supports the profile used for streaming
-    return true;
-}
-
-int VDPAURenderer::getDecoderCapabilities()
-{
-    return 0;
-}
-
-IFFmpegRenderer::VSyncConstraint VDPAURenderer::getVsyncConstraint()
-{
-    return VSYNC_ANY;
-}
-
-void VDPAURenderer::renderFrameAtVsync(AVFrame* frame)
-{
-    VdpStatus status;
-    VdpVideoSurface videoSurface = (VdpVideoSurface)(uintptr_t)frame->data[3];
-
-    // This is safe without locking because this is always called on the main thread
-    VdpOutputSurface chosenSurface = m_OutputSurface[m_NextSurfaceIndex];
-    m_NextSurfaceIndex = (m_NextSurfaceIndex + 1) % OUTPUT_SURFACE_COUNT;
-
-    // We need to create the mixer on the fly, because we don't know the dimensions
-    // of our video surfaces in advance of decoding
-    if (m_VideoMixer == 0) {
-        VdpChromaType videoSurfaceChroma;
-        uint32_t videoSurfaceWidth, videoSurfaceHeight;
-        status = m_VdpVideoSurfaceGetParameters(videoSurface, &videoSurfaceChroma,
-                                                &videoSurfaceWidth, &videoSurfaceHeight);
-        if (status != VDP_STATUS_OK) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "VdpVideoSurfaceGetParameters() failed: %s",
-                         m_VdpGetErrorString(status));
-            return;
-        }
-
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "VDPAU surface size: %dx%d",
-                    videoSurfaceWidth, videoSurfaceHeight);
-
-    #define PARAM_COUNT 3
-        const VdpVideoMixerParameter params[PARAM_COUNT] = {
-            VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_WIDTH,
-            VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_HEIGHT,
-            VDP_VIDEO_MIXER_PARAMETER_CHROMA_TYPE,
-        };
-        const void* const paramValues[PARAM_COUNT] = {
-            &videoSurfaceWidth,
-            &videoSurfaceHeight,
-            &videoSurfaceChroma,
-        };
-
-        status = m_VdpVideoMixerCreate(m_Device, 0, nullptr,
-                                       PARAM_COUNT, params, paramValues,
-                                       &m_VideoMixer);
-        if (status != VDP_STATUS_OK) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "VdpVideoMixerCreate() failed: %s",
-                         m_VdpGetErrorString(status));
-            return;
-        }
-    }
-
-    // Wait for this frame to be off the screen
-    VdpTime pts;
-    m_VdpPresentationQueueBlockUntilSurfaceIdle(m_PresentationQueue, chosenSurface, &pts);
-
-    VdpRect sourceRect, outputRect;
-
-    SDL_Rect src, dst;
-    src.x = src.y = 0;
-    src.w = m_VideoWidth;
-    src.h = m_VideoHeight;
-    dst.x = dst.y = 0;
-    dst.w = m_DisplayWidth;
-    dst.h = m_DisplayHeight;
-
-    StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
-
-    outputRect.x0 = dst.x;
-    outputRect.x1 = dst.x + dst.w;
-    outputRect.y0 = dst.y;
-    outputRect.y1 = dst.y + dst.h;
-
-    sourceRect.x0 = sourceRect.y0 = 0;
-    sourceRect.x1 = m_VideoWidth;
-    sourceRect.y1 = m_VideoHeight;
-
-    // Render the next frame into the output surface
-    status = m_VdpVideoMixerRender(m_VideoMixer,
-                                   VDP_INVALID_HANDLE, nullptr,
-                                   VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME,
-                                   0, nullptr,
-                                   videoSurface,
-                                   0, nullptr,
-                                   &sourceRect,
-                                   chosenSurface,
-                                   &outputRect,
-                                   nullptr,
-                                   0,
-                                   nullptr);
-    if (status != VDP_STATUS_OK) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "VdpVideoMixerRender() failed: %s",
-                     m_VdpGetErrorString(status));
-        return;
-    }
-
-    // Queue the frame for display immediately
-    status = m_VdpPresentationQueueDisplay(m_PresentationQueue, chosenSurface, 0, 0, 0);
-    if (status != VDP_STATUS_OK) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "VdpPresentationQueueDisplay() failed: %s",
-                     m_VdpGetErrorString(status));
-        return;
-    }
-}

app/streaming/video/ffmpeg-renderers/vdpau.h

@@ -1,64 +0,0 @@
-#pragma once
-
-#include "renderer.h"
-
-extern "C" {
-#include <vdpau/vdpau.h>
-#include <vdpau/vdpau_x11.h>
-#include <libavutil/hwcontext_vdpau.h>
-}
-
-class VDPAURenderer : public IFFmpegRenderer
-{
-public:
-    VDPAURenderer();
-    virtual ~VDPAURenderer();
-    virtual bool initialize(SDL_Window* window,
-                            int videoFormat,
-                            int width,
-                            int height,
-                            int maxFps,
-                            bool enableVsync);
-    virtual bool prepareDecoderContext(AVCodecContext* context);
-    virtual void renderFrameAtVsync(AVFrame* frame);
-    virtual bool needsTestFrame();
-    virtual int getDecoderCapabilities();
-    virtual VSyncConstraint getVsyncConstraint();
-
-private:
-    uint32_t m_VideoWidth, m_VideoHeight;
-    uint32_t m_DisplayWidth, m_DisplayHeight;
-    AVBufferRef* m_HwContext;
-    VdpPresentationQueueTarget m_PresentationQueueTarget;
-    VdpPresentationQueue m_PresentationQueue;
-    VdpVideoMixer m_VideoMixer;
-    VdpRGBAFormat m_OutputSurfaceFormat;
-    VdpDevice m_Device;
-
-#define OUTPUT_SURFACE_COUNT 3
-    VdpOutputSurface m_OutputSurface[OUTPUT_SURFACE_COUNT];
-    int m_NextSurfaceIndex;
-
-#define OUTPUT_SURFACE_FORMAT_COUNT 2
-    static const VdpRGBAFormat k_OutputFormats[OUTPUT_SURFACE_FORMAT_COUNT];
-
-    VdpGetErrorString* m_VdpGetErrorString;
-    VdpPresentationQueueTargetDestroy* m_VdpPresentationQueueTargetDestroy;
-    VdpVideoMixerCreate* m_VdpVideoMixerCreate;
-    VdpVideoMixerDestroy* m_VdpVideoMixerDestroy;
-    VdpVideoMixerRender* m_VdpVideoMixerRender;
-    VdpPresentationQueueCreate* m_VdpPresentationQueueCreate;
-    VdpPresentationQueueDestroy* m_VdpPresentationQueueDestroy;
-    VdpPresentationQueueDisplay* m_VdpPresentationQueueDisplay;
-    VdpPresentationQueueSetBackgroundColor* m_VdpPresentationQueueSetBackgroundColor;
-    VdpPresentationQueueBlockUntilSurfaceIdle* m_VdpPresentationQueueBlockUntilSurfaceIdle;
-    VdpOutputSurfaceCreate* m_VdpOutputSurfaceCreate;
-    VdpOutputSurfaceDestroy* m_VdpOutputSurfaceDestroy;
-    VdpOutputSurfaceQueryCapabilities* m_VdpOutputSurfaceQueryCapabilities;
-    VdpVideoSurfaceGetParameters* m_VdpVideoSurfaceGetParameters;
-
-    // X11 stuff
-    VdpPresentationQueueTargetCreateX11* m_VdpPresentationQueueTargetCreateX11;
-};
-
-

app/streaming/video/ffmpeg-renderers/vt.mm

@@ -2,13 +2,11 @@
 // libavutil both defining AVMediaType
 #define AVMediaType AVMediaType_FFmpeg
 #include "vt.h"
-#include "pacer/pacer.h"
 #undef AVMediaType
 
 #include <SDL_syswm.h>
 #include <Limelight.h>
 
-#include <mach/mach_time.h>
 #import <Cocoa/Cocoa.h>
 #import <VideoToolbox/VideoToolbox.h>
 #import <AVFoundation/AVFoundation.h>
@@ -22,6 +20,7 @@ public:
           m_FormatDesc(nullptr),
           m_View(nullptr)
     {
+
     }
 
     virtual ~VTRenderer()
@@ -33,76 +32,13 @@ public:
         if (m_FormatDesc != nullptr) {
             CFRelease(m_FormatDesc);
         }
-
-        if (m_View != nullptr) {
-            [m_View removeFromSuperview];
-        }
     }
 
-    // Caller frees frame after we return
-    virtual void renderFrameAtVsync(AVFrame* frame) override
-    {
-        OSStatus status;
-        CVPixelBufferRef pixBuf = reinterpret_cast<CVPixelBufferRef>(frame->data[3]);
-
-        if (m_DisplayLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
-            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                        "Resetting failed AVSampleBufferDisplay layer");
-
-            // Trigger the main thread to recreate the decoder
-            SDL_Event event;
-            event.type = SDL_RENDER_TARGETS_RESET;
-            SDL_PushEvent(&event);
-            return;
-        }
-
-        // If the format has changed or doesn't exist yet, construct it with the
-        // pixel buffer data
-        if (!m_FormatDesc || !CMVideoFormatDescriptionMatchesImageBuffer(m_FormatDesc, pixBuf)) {
-            if (m_FormatDesc != nullptr) {
-                CFRelease(m_FormatDesc);
-            }
-            status = CMVideoFormatDescriptionCreateForImageBuffer(kCFAllocatorDefault,
-                                                                  pixBuf, &m_FormatDesc);
-            if (status != noErr) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                             "CMVideoFormatDescriptionCreateForImageBuffer() failed: %d",
-                             status);
-                return;
-            }
-        }
-
-        // Queue this sample for the next v-sync
-        CMSampleTimingInfo timingInfo = {
-            .duration = kCMTimeInvalid,
-            .decodeTimeStamp = kCMTimeInvalid,
-            .presentationTimeStamp = CMTimeMake(mach_absolute_time(), 1000 * 1000 * 1000)
-        };
-
-        CMSampleBufferRef sampleBuffer;
-        status = CMSampleBufferCreateReadyWithImageBuffer(kCFAllocatorDefault,
-                                                          pixBuf,
-                                                          m_FormatDesc,
-                                                          &timingInfo,
-                                                          &sampleBuffer);
-        if (status != noErr) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "CMSampleBufferCreateReadyWithImageBuffer() failed: %d",
-                         status);
-            return;
-        }
-
-        [m_DisplayLayer enqueueSampleBuffer:sampleBuffer];
-
-        CFRelease(sampleBuffer);
-    }
 
     virtual bool initialize(SDL_Window* window,
                             int videoFormat,
                             int,
-                            int,
+                            int) override
-                            int,
-                            bool) override
     {
         int err;
 
@@ -183,30 +119,54 @@ public:
     virtual bool prepareDecoderContext(AVCodecContext* context) override
     {
         context->hw_device_ctx = av_buffer_ref(m_HwContext);
-
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "Using VideoToolbox accelerated renderer");
-
         return true;
     }
 
-    virtual bool needsTestFrame() override
+    virtual void renderFrame(AVFrame* frame) override
     {
-        // We query VT to determine whether the codec is supported
+        CVPixelBufferRef pixBuf = reinterpret_cast<CVPixelBufferRef>(frame->data[3]);
-        return false;
+        OSStatus status;
+
+        if (m_DisplayLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                        "Resetting failed AVSampleBufferDisplay layer");
+            setupDisplayLayer();
         }
 
-    virtual int getDecoderCapabilities() override
+        // If the format has changed or doesn't exist yet, construct it with the
-    {
+        // pixel buffer data
-        return 0;
+        if (!m_FormatDesc || !CMVideoFormatDescriptionMatchesImageBuffer(m_FormatDesc, pixBuf)) {
+            status = CMVideoFormatDescriptionCreateForImageBuffer(kCFAllocatorDefault,
+                                                                  pixBuf, &m_FormatDesc);
+            if (status != noErr) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "CMVideoFormatDescriptionCreateForImageBuffer() failed: %d",
+                             status);
+                return;
+            }
         }
 
-    virtual IFFmpegRenderer::VSyncConstraint getVsyncConstraint() override
+        CMSampleBufferRef sampleBuffer;
-    {
+        status = CMSampleBufferCreateReadyWithImageBuffer(kCFAllocatorDefault,
-        // This renderer is inherently tied to V-sync due how we're
+                                                          pixBuf,
-        // rendering with AVSampleBufferDisplay layer. Running without
+                                                          m_FormatDesc,
-        // the V-Sync source leads to massive stuttering.
+                                                          &kCMTimingInfoInvalid,
-        return VSYNC_FORCE_ON;
+                                                          &sampleBuffer);
+        if (status != noErr) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                         "CMSampleBufferCreateReadyWithImageBuffer() failed: %d",
+                         status);
+            return;
+        }
+
+        CFArrayRef attachments = CMSampleBufferGetSampleAttachmentsArray(sampleBuffer, true);
+        CFMutableDictionaryRef dict = (CFMutableDictionaryRef)CFArrayGetValueAtIndex(attachments, 0);
+
+        CFDictionarySetValue(dict, kCMSampleAttachmentKey_DisplayImmediately, kCFBooleanTrue);
+
+        [m_DisplayLayer enqueueSampleBuffer:sampleBuffer];
+
+        CFRelease(sampleBuffer);
     }
 
 private:

app/streaming/video/ffmpeg.cpp

@@ -1,69 +1,94 @@
 #include <Limelight.h>
 #include "ffmpeg.h"
-#include "streaming/streamutils.h"
 
-#ifdef Q_OS_WIN32
+#ifdef _WIN32
 #include "ffmpeg-renderers/dxva2.h"
 #endif
 
-#ifdef Q_OS_DARWIN
+bool FFmpegVideoDecoder::chooseDecoder(
-#include "ffmpeg-renderers/vt.h"
+        StreamingPreferences::VideoDecoderSelection vds,
+        SDL_Window* window,
+        int videoFormat,
+        int width, int height,
+        AVCodec*& chosenDecoder,
+        const AVCodecHWConfig*& chosenHwConfig,
+        IFFmpegRenderer*& newRenderer)
+{
+    if (videoFormat & VIDEO_FORMAT_MASK_H264) {
+        chosenDecoder = avcodec_find_decoder(AV_CODEC_ID_H264);
+    }
+    else if (videoFormat & VIDEO_FORMAT_MASK_H265) {
+        chosenDecoder = avcodec_find_decoder(AV_CODEC_ID_HEVC);
+    }
+    else {
+        Q_ASSERT(false);
+        chosenDecoder = nullptr;
+    }
+
+    if (!chosenDecoder) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "Unable to find decoder for format: %x",
+                     videoFormat);
+        return false;
+    }
+
+    for (int i = 0;; i++) {
+        const AVCodecHWConfig *config = avcodec_get_hw_config(chosenDecoder, i);
+        if (!config || vds == StreamingPreferences::VDS_FORCE_SOFTWARE) {
+            // No matching hardware acceleration support.
+            // This is not an error.
+            chosenHwConfig = nullptr;
+            newRenderer = new SdlRenderer();
+            if (vds != StreamingPreferences::VDS_FORCE_HARDWARE &&
+                    newRenderer->initialize(window, videoFormat, width, height)) {
+                return true;
+            }
+            else {
+                delete newRenderer;
+                newRenderer = nullptr;
+                return false;
+            }
+        }
+
+        if (!(config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)) {
+            continue;
+        }
+
+        // Look for acceleration types we support
+        switch (config->device_type) {
+#ifdef _WIN32
+        case AV_HWDEVICE_TYPE_DXVA2:
+            newRenderer = new DXVA2Renderer();
+            break;
 #endif
+        default:
+            continue;
+        }
 
-#ifdef HAVE_LIBVA
+        if (newRenderer->initialize(window, videoFormat, width, height)) {
-#include "ffmpeg-renderers/vaapi.h"
+            chosenHwConfig = config;
-#endif
+            return true;
-
+        }
-#ifdef HAVE_LIBVDPAU
+        else {
-#include "ffmpeg-renderers/vdpau.h"
+            // Failed to initialize
-#endif
+            delete newRenderer;
-
+            newRenderer = nullptr;
-// This is gross but it allows us to use sizeof()
+        }
-#include "ffmpeg_videosamples.cpp"
+    }
-
+}
-#define FAILED_DECODES_RESET_THRESHOLD 20
 
 bool FFmpegVideoDecoder::isHardwareAccelerated()
 {
     return m_HwDecodeCfg != nullptr;
 }
 
-int FFmpegVideoDecoder::getDecoderCapabilities()
-{
-    return m_Renderer->getDecoderCapabilities();
-}
-
-enum AVPixelFormat FFmpegVideoDecoder::ffGetFormat(AVCodecContext* context,
-                                                   const enum AVPixelFormat* pixFmts)
-{
-    FFmpegVideoDecoder* decoder = (FFmpegVideoDecoder*)context->opaque;
-    const enum AVPixelFormat *p;
-
-    for (p = pixFmts; *p != -1; p++) {
-        // Only match our hardware decoding codec or SW pixel
-        // format (if not using hardware decoding). It's crucial
-        // to override the default get_format() which will try
-        // to gracefully fall back to software decode and break us.
-        if (*p == (decoder->m_HwDecodeCfg ?
-                   decoder->m_HwDecodeCfg->pix_fmt :
-                   context->pix_fmt)) {
-            return *p;
-        }
-    }
-
-    return AV_PIX_FMT_NONE;
-}
-
 FFmpegVideoDecoder::FFmpegVideoDecoder()
     : m_VideoDecoderCtx(nullptr),
       m_DecodeBuffer(1024 * 1024, 0),
       m_HwDecodeCfg(nullptr),
-      m_Renderer(nullptr),
+      m_Renderer(nullptr)
-      m_ConsecutiveFailedDecodes(0),
-      m_Pacer(nullptr)
 {
     av_init_packet(&m_Pkt);
-    SDL_AtomicSet(&m_QueuedFrames, 0);
 
     // Use linear filtering when renderer scaling is required
     SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
@@ -71,74 +96,29 @@ FFmpegVideoDecoder::FFmpegVideoDecoder()
 
 FFmpegVideoDecoder::~FFmpegVideoDecoder()
 {
-    reset();
+    avcodec_close(m_VideoDecoderCtx);
-}
+    av_free(m_VideoDecoderCtx);
+    m_VideoDecoderCtx = nullptr;
 
-IFFmpegRenderer* FFmpegVideoDecoder::getRenderer()
+    m_HwDecodeCfg = nullptr;
-{
-    return m_Renderer;
-}
-
-void FFmpegVideoDecoder::reset()
-{
-    // Drop any frames still queued to ensure
-    // they are properly freed.
-    SDL_Event event;
-
-    while (SDL_AtomicGet(&m_QueuedFrames) > 0) {
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "Waiting for %d frames to return",
-                    SDL_AtomicGet(&m_QueuedFrames));
-
-        if (SDL_PeepEvents(&event,
-                           1,
-                           SDL_GETEVENT,
-                           SDL_USEREVENT,
-                           SDL_USEREVENT) == 1) {
-            dropFrame(&event.user);
-        }
-        else {
-            SDL_Delay(10);
-            SDL_PumpEvents();
-        }
-    }
-
-    delete m_Pacer;
-    m_Pacer = nullptr;
-
-    // This must be called after deleting Pacer because it
-    // may be holding AVFrames to free in its destructor.
-    // However, it must be called before deleting the IFFmpegRenderer
-    // since the codec context may be referencing objects that we
-    // need to delete in the renderer destructor.
-    avcodec_free_context(&m_VideoDecoderCtx);
 
     delete m_Renderer;
     m_Renderer = nullptr;
 }
 
-bool FFmpegVideoDecoder::completeInitialization(AVCodec* decoder, SDL_Window* window,
+bool FFmpegVideoDecoder::initialize(
-                                                int videoFormat, int width, int height,
+        StreamingPreferences::VideoDecoderSelection vds,
-                                                int maxFps, bool enableVsync, bool testOnly)
+        SDL_Window* window,
+        int videoFormat,
+        int width,
+        int height,
+        int)
 {
-    auto vsyncConstraint = m_Renderer->getVsyncConstraint();
+    AVCodec* decoder;
-    if (vsyncConstraint == IFFmpegRenderer::VSYNC_FORCE_OFF && enableVsync) {
-        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                    "V-sync is forcefully disabled by the active renderer");
-        enableVsync = false;
-    }
-    else if (vsyncConstraint == IFFmpegRenderer::VSYNC_FORCE_ON && !enableVsync) {
-        // FIXME: This duplicates logic in Session.cpp
-        int displayHz = StreamUtils::getDisplayRefreshRate(window);
-        if (displayHz + 5 >= maxFps) {
-            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
-                        "V-sync is forcefully enabled by the active renderer");
-            enableVsync = true;
-        }
-    }
 
-    m_Pacer = new Pacer(m_Renderer);
+    if (!chooseDecoder(vds, window, videoFormat, width, height,
-    if (!m_Pacer->initialize(window, maxFps, enableVsync)) {
+                       decoder, m_HwDecodeCfg, m_Renderer)) {
+        // Error logged in chooseDecoder()
         return false;
     }
 
@@ -152,10 +132,6 @@ bool FFmpegVideoDecoder::completeInitialization(AVCodec* decoder, SDL_Window* wi
     // Always request low delay decoding
     m_VideoDecoderCtx->flags |= AV_CODEC_FLAG_LOW_DELAY;
 
-    // Allow display of corrupt frames and frames missing references
-    m_VideoDecoderCtx->flags |= AV_CODEC_FLAG_OUTPUT_CORRUPT;
-    m_VideoDecoderCtx->flags2 |= AV_CODEC_FLAG2_SHOW_ALL;
-
     // Enable slice multi-threading for software decoding
     if (!m_HwDecodeCfg) {
         m_VideoDecoderCtx->thread_type = FF_THREAD_SLICE;
@@ -170,20 +146,12 @@ bool FFmpegVideoDecoder::completeInitialization(AVCodec* decoder, SDL_Window* wi
     m_VideoDecoderCtx->width = width;
     m_VideoDecoderCtx->height = height;
     m_VideoDecoderCtx->pix_fmt = AV_PIX_FMT_YUV420P; // FIXME: HDR
-    m_VideoDecoderCtx->get_format = ffGetFormat;
 
     // Allow the renderer to attach data to this decoder
     if (!m_Renderer->prepareDecoderContext(m_VideoDecoderCtx)) {
         return false;
     }
 
-    // Nobody must override our ffGetFormat
-    SDL_assert(m_VideoDecoderCtx->get_format == ffGetFormat);
-
-    // Stash a pointer to this object in the context
-    SDL_assert(m_VideoDecoderCtx->opaque == nullptr);
-    m_VideoDecoderCtx->opaque = this;
-
     int err = avcodec_open2(m_VideoDecoderCtx, decoder, nullptr);
     if (err < 0) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -192,155 +160,9 @@ bool FFmpegVideoDecoder::completeInitialization(AVCodec* decoder, SDL_Window* wi
         return false;
     }
 
-    // FFMpeg doesn't completely initialize the codec until the codec
-    // config data comes in. This would be too late for us to change
-    // our minds on the selected video codec, so we'll do a trial run
-    // now to see if things will actually work when the video stream
-    // comes in.
-    if (testOnly) {
-        if (videoFormat & VIDEO_FORMAT_MASK_H264) {
-            m_Pkt.data = (uint8_t*)k_H264TestFrame;
-            m_Pkt.size = sizeof(k_H264TestFrame);
-        }
-        else {
-            m_Pkt.data = (uint8_t*)k_HEVCTestFrame;
-            m_Pkt.size = sizeof(k_HEVCTestFrame);
-        }
-
-        err = avcodec_send_packet(m_VideoDecoderCtx, &m_Pkt);
-        if (err < 0) {
-            char errorstring[512];
-            av_strerror(err, errorstring, sizeof(errorstring));
-            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                        "Test decode failed: %s", errorstring);
-            return false;
-        }
-    }
-
-#ifdef QT_DEBUG
-    // Restore default log level before streaming
-    av_log_set_level(AV_LOG_INFO);
-#endif
-
     return true;
 }
 
-IFFmpegRenderer* FFmpegVideoDecoder::createAcceleratedRenderer(const AVCodecHWConfig* hwDecodeCfg)
-{
-    if (!(hwDecodeCfg->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)) {
-        return nullptr;
-    }
-
-    // Look for acceleration types we support
-    switch (hwDecodeCfg->device_type) {
-#ifdef Q_OS_WIN32
-    case AV_HWDEVICE_TYPE_DXVA2:
-        return new DXVA2Renderer();
-#endif
-#ifdef Q_OS_DARWIN
-    case AV_HWDEVICE_TYPE_VIDEOTOOLBOX:
-        return VTRendererFactory::createRenderer();
-#endif
-#ifdef HAVE_LIBVA
-    case AV_HWDEVICE_TYPE_VAAPI:
-        return new VAAPIRenderer();
-#endif
-#ifdef HAVE_LIBVDPAU
-    case AV_HWDEVICE_TYPE_VDPAU:
-        return new VDPAURenderer();
-#endif
-    default:
-        return nullptr;
-    }
-}
-
-bool FFmpegVideoDecoder::initialize(
-        StreamingPreferences::VideoDecoderSelection vds,
-        SDL_Window* window,
-        int videoFormat,
-        int width,
-        int height,
-        int maxFps,
-        bool enableVsync)
-{
-    AVCodec* decoder;
-
-#ifdef QT_DEBUG
-    // Increase log level during initialization
-    av_log_set_level(AV_LOG_DEBUG);
-#endif
-
-    if (videoFormat & VIDEO_FORMAT_MASK_H264) {
-        decoder = avcodec_find_decoder(AV_CODEC_ID_H264);
-    }
-    else if (videoFormat & VIDEO_FORMAT_MASK_H265) {
-        decoder = avcodec_find_decoder(AV_CODEC_ID_HEVC);
-    }
-    else {
-        Q_ASSERT(false);
-        decoder = nullptr;
-    }
-
-    if (!decoder) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Unable to find decoder for format: %x",
-                     videoFormat);
-        return false;
-    }
-
-    for (int i = 0;; i++) {
-        const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
-        if (!config || vds == StreamingPreferences::VDS_FORCE_SOFTWARE) {
-            // No matching hardware acceleration support.
-            // This is not an error.
-            m_HwDecodeCfg = nullptr;
-            m_Renderer = new SdlRenderer();
-            if (vds != StreamingPreferences::VDS_FORCE_HARDWARE &&
-                    m_Renderer->initialize(window, videoFormat, width, height, maxFps, enableVsync) &&
-                    completeInitialization(decoder, window, videoFormat, width, height, maxFps, enableVsync, false)) {
-                return true;
-            }
-            else {
-                reset();
-                return false;
-            }
-        }
-
-        m_Renderer = createAcceleratedRenderer(config);
-        if (!m_Renderer) {
-            continue;
-        }
-
-        m_HwDecodeCfg = config;
-        // Initialize the hardware codec and submit a test frame if the renderer needs it
-        if (m_Renderer->initialize(window, videoFormat, width, height, maxFps, enableVsync) &&
-                completeInitialization(decoder, window, videoFormat, width, height, maxFps, enableVsync, m_Renderer->needsTestFrame())) {
-            if (m_Renderer->needsTestFrame()) {
-                // The test worked, so now let's initialize it for real
-                reset();
-                if ((m_Renderer = createAcceleratedRenderer(config)) != nullptr &&
-                        m_Renderer->initialize(window, videoFormat, width, height, maxFps, enableVsync) &&
-                        completeInitialization(decoder, window, videoFormat, width, height, maxFps, enableVsync, false)) {
-                    return true;
-                }
-                else {
-                    SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION,
-                                    "Decoder failed to initialize after successful test");
-                    reset();
-                }
-            }
-            else {
-                // No test required. Good to go now.
-                return true;
-            }
-        }
-        else {
-            // Failed to initialize or test frame failed, so keep looking
-            reset();
-        }
-    }
-}
-
 int FFmpegVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
 {
     PLENTRY entry = du->bufferList;
@@ -366,23 +188,12 @@ int FFmpegVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
 
     err = avcodec_send_packet(m_VideoDecoderCtx, &m_Pkt);
     if (err < 0) {
+        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                    "Decoding failed: %d", err);
         char errorstring[512];
         av_strerror(err, errorstring, sizeof(errorstring));
         SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "avcodec_send_packet() failed: %s", errorstring);
+                    "Decoding failed: %s", errorstring);
-
-        // If we've failed a bunch of decodes in a row, the decoder/renderer is
-        // clearly unhealthy, so let's generate a synthetic reset event to trigger
-        // the event loop to destroy and recreate the decoder.
-        if (++m_ConsecutiveFailedDecodes == FAILED_DECODES_RESET_THRESHOLD) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Resetting decoder due to consistent failure");
-
-            SDL_Event event;
-            event.type = SDL_RENDER_DEVICE_RESET;
-            SDL_PushEvent(&event);
-        }
-
         return DR_NEED_IDR;
     }
 
@@ -397,29 +208,17 @@ int FFmpegVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
 
     err = avcodec_receive_frame(m_VideoDecoderCtx, frame);
     if (err == 0) {
-        // Reset failed decodes count if we reached this far
+        SDL_Event event;
-        m_ConsecutiveFailedDecodes = 0;
 
-        // Queue the frame for rendering from the main thread
+        event.type = SDL_USEREVENT;
-        SDL_AtomicIncRef(&m_QueuedFrames);
+        event.user.code = SDL_CODE_FRAME_READY;
-        queueFrame(frame);
+        event.user.data1 = frame;
+
+        // The main thread will handle freeing this
+        SDL_PushEvent(&event);
     }
     else {
         av_frame_free(&frame);
-
-        char errorstring[512];
-        av_strerror(err, errorstring, sizeof(errorstring));
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "avcodec_receive_frame() failed: %s", errorstring);
-
-        if (++m_ConsecutiveFailedDecodes == FAILED_DECODES_RESET_THRESHOLD) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Resetting decoder due to consistent failure");
-
-            SDL_Event event;
-            event.type = SDL_RENDER_DEVICE_RESET;
-            SDL_PushEvent(&event);
-        }
     }
 
     return DR_OK;
@@ -429,23 +228,13 @@ int FFmpegVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
 void FFmpegVideoDecoder::renderFrame(SDL_UserEvent* event)
 {
     AVFrame* frame = reinterpret_cast<AVFrame*>(event->data1);
-    m_Pacer->submitFrame(frame);
+    m_Renderer->renderFrame(frame);
-    SDL_AtomicDecRef(&m_QueuedFrames);
+    av_frame_free(&frame);
 }
 
 // Called on main thread
 void FFmpegVideoDecoder::dropFrame(SDL_UserEvent* event)
 {
     AVFrame* frame = reinterpret_cast<AVFrame*>(event->data1);
-    // If Pacer is using a frame queue, we can just queue the
-    // frame and let it decide whether to drop or not. If Pacer
-    // is submitting directly for rendering, we drop the frame
-    // ourselves.
-    if (m_Pacer->isUsingFrameQueue()) {
-        m_Pacer->submitFrame(frame);
-    }
-    else {
     av_frame_free(&frame);
-    }
-    SDL_AtomicDecRef(&m_QueuedFrames);
 }

app/streaming/video/ffmpeg.h

@@ -2,7 +2,6 @@
 
 #include "decoder.h"
 #include "ffmpeg-renderers/renderer.h"
-#include "ffmpeg-renderers/pacer/pacer.h"
 
 extern "C" {
 #include <libavcodec/avcodec.h>
@@ -17,38 +16,26 @@ public:
                             int videoFormat,
                             int width,
                             int height,
-                            int maxFps,
+                            int frameRate) override;
-                            bool enableVsync) override;
     virtual bool isHardwareAccelerated() override;
-    virtual int getDecoderCapabilities() override;
     virtual int submitDecodeUnit(PDECODE_UNIT du) override;
     virtual void renderFrame(SDL_UserEvent* event) override;
     virtual void dropFrame(SDL_UserEvent* event) override;
 
-    virtual IFFmpegRenderer* getRenderer();
-
 private:
-    bool completeInitialization(AVCodec* decoder, SDL_Window* window,
+    bool
-                                int videoFormat, int width, int height,
+    chooseDecoder(
-                                int maxFps, bool enableVsync, bool testOnly);
+        StreamingPreferences::VideoDecoderSelection vds,
-
+        SDL_Window* window,
-    IFFmpegRenderer* createAcceleratedRenderer(const AVCodecHWConfig* hwDecodeCfg);
+        int videoFormat,
-
+        int width, int height,
-    void reset();
+        AVCodec*& chosenDecoder,
-
+        const AVCodecHWConfig*& chosenHwConfig,
-    static
+        IFFmpegRenderer*& newRenderer);
-    enum AVPixelFormat ffGetFormat(AVCodecContext* context,
-                                   const enum AVPixelFormat* pixFmts);
 
     AVPacket m_Pkt;
     AVCodecContext* m_VideoDecoderCtx;
     QByteArray m_DecodeBuffer;
     const AVCodecHWConfig* m_HwDecodeCfg;
     IFFmpegRenderer* m_Renderer;
-    SDL_atomic_t m_QueuedFrames;
-    int m_ConsecutiveFailedDecodes;
-    Pacer* m_Pacer;
-
-    static const uint8_t k_H264TestFrame[];
-    static const uint8_t k_HEVCTestFrame[];
 };

app/streaming/video/ffmpeg_videosamples.cpp

@@ -1,19 +0,0 @@
-#include "ffmpeg.h"
-
-// 720p 60 FPS H.264 with 1 reference frame
-const uint8_t FFmpegVideoDecoder::k_H264TestFrame[] = {
-    0x00, 0x00, 0x00, 0x01, 0x67, 0x64, 0x00, 0x20, 0xac, 0x2b, 0x40, 0x28, 0x02, 0xdd, 0x80, 0xb5, 0x06, 0x06, 0x06, 0xa5, 0x00, 0x00, 0x03, 0x03, 0xe8, 0x00, 0x01, 0xd4, 0xc0, 0x8f, 0x4a, 0xa0,
-    0x00, 0x00, 0x00, 0x01, 0x68, 0xee, 0x3c, 0xb0,
-    0x00, 0x00, 0x00, 0x01, 0x65, 0xb8, 0x02, 0x01, 0x67, 0x25, 0x1b, 0xf4, 0xfa, 0x7d, 0x40, 0x1a, 0x78, 0xe5, 0x10, 0x52, 0xc2, 0xee, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0xc6, 0xef, 0xbb, 0x81, 0x85, 0x2d, 0x47, 0xda, 0xca, 0x4c, 0x00, 0x00, 0x03, 0x00, 0x02, 0x7b, 0xcf, 0x80, 0x00, 0x45, 0x40, 0x01, 0x8d, 0xa6, 0x00, 0x01, 0x64, 0x00, 0x0e, 0x03, 0xc8, 0x00, 0x0e, 0x10, 0x00, 0xbd, 0xc5, 0x00, 0x01, 0x11, 0x00, 0x0e, 0xa3, 0x80, 0x00, 0x38, 0xa0,
-    0x00, 0x00, 0x01, 0x65, 0x00, 0x6e, 0x2e, 0x00, 0x83, 0x7f, 0xb4, 0x8e, 0x79, 0xa5, 0xff, 0x84, 0x3f, 0x7f, 0x34, 0x3f, 0x97, 0x1b, 0xaf, 0x31, 0x5f, 0x6e, 0xaa, 0xb6, 0xac, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x78, 0x36, 0x9d, 0xa4, 0x65, 0xf9, 0x1e, 0x5b, 0x3a, 0xb0, 0x40, 0x00, 0x00, 0x03, 0x00, 0x00, 0x41, 0x80, 0x00, 0xc5, 0xc8, 0x00, 0x00, 0xfa, 0x00, 0x03, 0x24, 0x00, 0x0e, 0x20, 0x00, 0x3f, 0x80, 0x01, 0x32, 0x00, 0x08, 0x68, 0x00, 0x3e, 0xc0, 0x03, 0x8a,
-    0x00, 0x00, 0x01, 0x65, 0x00, 0x37, 0x0b, 0x80, 0x21, 0x7f, 0xe3, 0x85, 0x1c, 0xd9, 0xff, 0xe1, 0x1b, 0x01, 0xfa, 0xc0, 0x3e, 0x11, 0x7e, 0xfe, 0x45, 0x5c, 0x43, 0x69, 0x31, 0x4b, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x02, 0x24, 0xae, 0x1a, 0xbb, 0xae, 0x75, 0x9e, 0x35, 0xae, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x03, 0x64, 0x00, 0x09, 0x98, 0x00, 0x1e, 0xc0, 0x00, 0x64, 0x80, 0x01, 0xc4, 0x00, 0x07, 0xf0, 0x00, 0x42, 0xf0, 0x00, 0x00, 0xe1, 0x98, 0x00, 0x05, 0x4b, 0x28, 0x00, 0x06, 0x04,
-    0x00, 0x00, 0x01, 0x65, 0x00, 0x14, 0xa2, 0xe0, 0x08, 0x5f, 0xe3, 0x85, 0x1c, 0xd9, 0xff, 0xe1, 0x1b, 0x01, 0xfa, 0xc0, 0x3e, 0x11, 0x7e, 0xfe, 0x45, 0x5c, 0x43, 0x69, 0x31, 0x4b, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x02, 0x24, 0xb9, 0x7d, 0xb4, 0x70, 0x4d, 0x15, 0xc5, 0x0a, 0x4e, 0x60, 0x00, 0x00, 0x03, 0x00, 0x00, 0x26, 0xa8, 0xb0, 0x00, 0x13, 0xcd, 0xcc, 0x00, 0x07, 0x48, 0x88, 0x00, 0x06, 0x29, 0x69, 0x00, 0x01, 0x16, 0xac, 0x80, 0x00, 0x9e, 0x4e, 0x80, 0x00, 0x3f, 0x84, 0x20, 0x00, 0x6f, 0x41, 0xa0, 0x00, 0x20, 0x00, 0x02, 0x16, 0xb8, 0x00, 0x08, 0x08
-};
-
-// 720p 60 FPS HEVC with 1 reference frame
-const uint8_t FFmpegVideoDecoder::k_HEVCTestFrame[] = {
-    0x00, 0x00, 0x00, 0x01, 0x40, 0x01, 0x0c, 0x01, 0xff, 0xff, 0x01, 0x40, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0xac, 0x09,
-    0x00, 0x00, 0x00, 0x01, 0x42, 0x01, 0x01, 0x01, 0x40, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0xa0, 0x02, 0x80, 0x80, 0x2e, 0x1f, 0x13, 0x96, 0xb4, 0xa4, 0x25, 0x92, 0xe3, 0x01, 0x6a, 0x0c, 0x0c, 0x0d, 0x48, 0x20, 0x00, 0x00, 0x03, 0x00, 0x20, 0x00, 0x00, 0x07, 0x85, 0xf1, 0xa2, 0xd0,
-    0x00, 0x00, 0x00, 0x01, 0x44, 0x01, 0xc0, 0xf7, 0xc0, 0xcc, 0x90,
-    0x00, 0x00, 0x00, 0x01, 0x2a, 0x01, 0xac, 0x0c, 0xf0, 0xe6, 0xf6, 0x5e, 0xff, 0xd9, 0x97, 0xeb, 0x44, 0x7d, 0x1f, 0xa4, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x03, 0x52, 0x7c, 0x4e, 0x5b, 0xfe, 0xbe, 0xc2, 0x87, 0x20, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x2b, 0x60,
-};

app/streaming/video/sl.cpp

@@ -1,112 +0,0 @@
-#include "sl.h"
-
-SLVideoDecoder::SLVideoDecoder()
-    : m_VideoContext(nullptr),
-      m_VideoStream(nullptr)
-{
-
-}
-
-SLVideoDecoder::~SLVideoDecoder()
-{
-    if (m_VideoStream != nullptr) {
-        SLVideo_FreeStream(m_VideoStream);
-    }
-
-    if (m_VideoContext != nullptr) {
-        SLVideo_FreeContext(m_VideoContext);
-    }
-}
-
-bool
-SLVideoDecoder::isHardwareAccelerated()
-{
-    // SLVideo is always hardware accelerated
-    return true;
-}
-
-int
-SLVideoDecoder::getDecoderCapabilities()
-{
-    return 0;
-}
-
-bool
-SLVideoDecoder::initialize(StreamingPreferences::VideoDecoderSelection vds,
-                           SDL_Window*,
-                           int videoFormat, int, int, int frameRate, bool)
-{
-    // SLVideo only supports hardware decoding
-    if (vds == StreamingPreferences::VDS_FORCE_SOFTWARE) {
-        return false;
-    }
-
-    // SLVideo only supports H.264
-    if (videoFormat != VIDEO_FORMAT_H264) {
-        return false;
-    }
-
-    m_VideoContext = SLVideo_CreateContext();
-    if (!m_VideoContext) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SLVideo_CreateContext() failed");
-        return false;
-    }
-
-    // Create a low latency H.264 stream
-    m_VideoStream = SLVideo_CreateStream(m_VideoContext, k_ESLVideoFormatH264, 1);
-    if (!m_VideoStream) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SLVideo_CreateStream() failed");
-        return false;
-    }
-
-    SLVideo_SetStreamTargetFramerate(m_VideoStream, frameRate, 1);
-
-    return true;
-}
-
-int
-SLVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
-{
-    int err;
-
-    err = SLVideo_BeginFrame(m_VideoStream, du->fullLength);
-    if (err < 0) {
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "SLVideo_BeginFrame() failed: %d",
-                    err);
-
-        // Need an IDR frame to resync
-        return DR_NEED_IDR;
-    }
-
-    PLENTRY entry = du->bufferList;
-    while (entry != nullptr) {
-        err = SLVideo_WriteFrameData(m_VideoStream,
-                                     entry->data,
-                                     entry->length);
-        if (err < 0) {
-            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                        "SLVideo_WriteFrameData() failed: %d",
-                        err);
-
-            // Need an IDR frame to resync
-            return DR_NEED_IDR;
-        }
-
-        entry = entry->next;
-    }
-
-    err = SLVideo_SubmitFrame(m_VideoStream);
-    if (err < 0) {
-        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                    "SLVideo_SubmitFrame() failed: %d",
-                    err);
-
-        // Need an IDR frame to resync
-        return DR_NEED_IDR;
-    }
-
-    return DR_OK;
-}

app/streaming/video/sl.h

@@ -1,30 +0,0 @@
-#pragma once
-
-#include "decoder.h"
-
-#include <SLVideo.h>
-
-class SLVideoDecoder : public IVideoDecoder
-{
-public:
-    SLVideoDecoder();
-    virtual ~SLVideoDecoder();
-    virtual bool initialize(StreamingPreferences::VideoDecoderSelection vds,
-                            SDL_Window* window,
-                            int videoFormat,
-                            int width,
-                            int height,
-                            int frameRate,
-                            bool enableVsync);
-    virtual bool isHardwareAccelerated();
-    virtual int getDecoderCapabilities();
-    virtual int submitDecodeUnit(PDECODE_UNIT du);
-
-    // Unused since rendering is done directly from the decode thread
-    virtual void renderFrame(SDL_UserEvent*) {}
-    virtual void dropFrame(SDL_UserEvent*) {}
-
-private:
-    CSLVideoContext* m_VideoContext;
-    CSLVideoStream* m_VideoStream;
-};

app/utils.h

@@ -1,5 +1,5 @@
 #pragma once
 
 #define THROW_BAD_ALLOC_IF_NULL(x) \
-    if ((x) == nullptr) throw std::bad_alloc()
+    if ((x) == nullptr) throw new std::bad_alloc()
 

config.tests/SLVideo/SLVideo.pro

@@ -1,3 +0,0 @@
-SOURCES = main.cpp
-LIBS += -lSLVideo
-

config.tests/SLVideo/main.cpp

@@ -1,7 +0,0 @@
-#include <SLVideo.h>
-
-int main()
-{
-    SLVideo_CreateContext();
-    return 0;
-}

libs/mac/Frameworks/SDL2.framework/Headers

@@ -1 +0,0 @@
-Versions/Current/Headers

libs/mac/Frameworks/SDL2.framework/Resources

@@ -1 +0,0 @@
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libs/mac/Frameworks/SDL2.framework/Versions/Current

@@ -1 +0,0 @@
-A