Stub out VideoToolbox renderer

app/app.pro

@@ -62,6 +62,9 @@ SOURCES += \
 win32 {
     SOURCES += streaming/renderers/dxva2.cpp
 }
+macx {
+    SOURCES += streaming/renderers/vt.cpp
+}
 
 HEADERS += \
     utils.h \
@@ -80,6 +83,9 @@ HEADERS += \
 win32 {
     HEADERS += streaming/renderers/dxva2.h
 }
+macx {
+    HEADERS += streaming/renderers/vt.h
+}
 
 RESOURCES += \
     resources.qrc \

app/streaming/renderers/vt.cpp

@@ -0,0 +1,28 @@
+#include "vt.h"
+
+VTRenderer::VTRenderer()
+{
+
+}
+
+VTRenderer::~VTRenderer()
+{
+}
+
+bool VTRenderer::prepareDecoderContext(AVCodecContext*)
+{
+    /* Nothing to do */
+    return true;
+}
+
+bool VTRenderer::initialize(SDL_Window* window,
+                            int videoFormat,
+                            int width,
+                            int height)
+{
+    return false;
+}
+
+void VTRenderer::renderFrame(AVFrame* frame)
+{
+}

app/streaming/renderers/vt.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "renderer.h"
+
+class VTRenderer : public IRenderer
+{
+public:
+    VTRenderer();
+    virtual ~VTRenderer();
+    virtual bool initialize(SDL_Window* window,
+                            int videoFormat,
+                            int width,
+                            int height);
+    virtual bool prepareDecoderContext(AVCodecContext* context);
+    virtual void renderFrame(AVFrame* frame);
+
+private:
+};

app/streaming/video.cpp

@@ -5,6 +5,10 @@
 #include "renderers/dxva2.h"
 #endif
 
+#ifdef __APPLE__
+#include "renderers/vt.h"
+#endif
+
 AVPacket Session::s_Pkt;
 AVCodecContext* Session::s_VideoDecoderCtx;
 QByteArray Session::s_DecodeBuffer;
@@ -80,6 +84,11 @@ bool Session::chooseDecoder(StreamingPreferences::VideoDecoderSelection vds,
         case AV_HWDEVICE_TYPE_DXVA2:
             newRenderer = new DXVA2Renderer();
             break;
+#endif
+#ifdef __APPLE__
+        case AV_HWDEVICE_TYPE_VIDEOTOOLBOX:
+            newRenderer = new VTRenderer();
+            break;
 #endif
         default:
             continue;