More SDL work

2026-04-22 08:00:26 +00:00 · 2018-06-23 22:16:59 -07:00
parent 283327dcce
commit 416724f843
11 changed files with 212 additions and 30 deletions
--- a/app/streaming/connection.cpp
+++ b/app/streaming/connection.cpp
@@ -0,0 +1,138 @@
+#include "streaming.h"
+#include <Limelight.h>
+#include <SDL.h>
+
+#include <QMessageBox>
+
+bool g_StreamActive;
+QMessageBox* g_ProgressBox;
+
+static
+void
+ClStageStarting(int stage)
+{
+    char buffer[512];
+    sprintf(buffer, "Starting %s...", LiGetStageName(stage));
+    g_ProgressBox->setText(buffer);
+}
+
+static
+void
+ClStageFailed(int stage, long errorCode)
+{
+    char buffer[512];
+    sprintf(buffer, "Failed %s with error: %ld",
+            LiGetStageName(stage), errorCode);
+    g_ProgressBox->setText(buffer);
+}
+
+static
+void
+ClConnectionTerminated(long errorCode)
+{
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "Connection terminated: %ld",
+                 errorCode);
+
+    // Push a quit event to the main loop
+    SDL_Event event;
+    event.type = SDL_QUIT;
+    event.quit.timestamp = SDL_GetTicks();
+    SDL_PushEvent(&event);
+}
+
+static
+void
+ClLogMessage(const char* format, ...)
+{
+    va_list ap;
+
+    va_start(ap, format);
+    SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION,
+                    SDL_LOG_PRIORITY_INFO,
+                    format,
+                    ap);
+    va_end(ap);
+}
+
+int
+StartConnection(PSERVER_INFORMATION serverInfo, PSTREAM_CONFIGURATION streamConfig, QMessageBox* progressBox)
+{
+    CONNECTION_LISTENER_CALLBACKS listener;
+
+    // Hold onto this for our callbacks
+    g_ProgressBox = progressBox;
+
+    if (streamConfig->audioConfiguration < 0) {
+        // This signals to us that we should auto-detect
+        streamConfig->audioConfiguration = SdlDetermineAudioConfiguration();
+    }
+
+    LiInitializeConnectionCallbacks(&listener);
+    listener.stageStarting = ClStageStarting;
+    listener.stageFailed = ClStageFailed;
+    listener.connectionTerminated = ClConnectionTerminated;
+    listener.logMessage = ClLogMessage;
+
+    int err = LiStartConnection(serverInfo, streamConfig, &listener,
+                                &k_VideoCallbacks, &k_AudioCallbacks,
+                                NULL, 0, NULL, 0);
+    if (err != 0) {
+        SDL_Quit();
+        return err;
+    }
+
+    // Before we get into our loop, close the message box used to
+    // display progress
+    Q_ASSERT(g_ProgressBox == progressBox);
+    progressBox->close();
+    delete progressBox;
+    g_ProgressBox = nullptr;
+
+    // Hijack this thread to be the SDL main thread. We have to do this
+    // because we want to suspend all Qt processing until the stream is over.
+    SDL_Event event;
+    while (SDL_WaitEvent(&event)) {
+        switch (event.type) {
+        case SDL_QUIT:
+            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                        "Quit event received");
+            goto Exit;
+        case SDL_KEYUP:
+        case SDL_KEYDOWN:
+            SdlHandleKeyEvent(&event.key);
+            break;
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+            SdlHandleMouseButtonEvent(&event.button);
+            break;
+        case SDL_MOUSEMOTION:
+            SdlHandleMouseMotionEvent(&event.motion);
+            break;
+        case SDL_MOUSEWHEEL:
+            SdlHandleMouseWheelEvent(&event.wheel);
+            break;
+        case SDL_CONTROLLERAXISMOTION:
+            SdlHandleControllerAxisEvent(&event.caxis);
+            break;
+        case SDL_CONTROLLERBUTTONDOWN:
+        case SDL_CONTROLLERBUTTONUP:
+            SdlHandleControllerButtonEvent(&event.cbutton);
+            break;
+        case SDL_CONTROLLERDEVICEADDED:
+        case SDL_CONTROLLERDEVICEREMOVED:
+            SdlHandleControllerDeviceEvent(&event.cdevice);
+            break;
+        }
+    }
+
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "SDL_WaitEvent() failed: %s",
+                 SDL_GetError());
+
+Exit:
+    g_StreamActive = false;
+    LiStopConnection();
+
+    return 0;
+}