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Fix random deadlocks on window resize with the software decoder due to processing window messages off the render thread

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This commit is contained in:
Cameron Gutman 2019-04-03 20:44:50 -07:00
parent 948910bfa2
commit 54383b84ec
1 changed files with 8 additions and 0 deletions
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8
app/streaming/video/ffmpeg-renderers/sdlvid.cpp
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@ -143,6 +143,14 @@ bool SdlRenderer::initialize(SDL_Window* window,
} }
} }
#ifdef Q_OS_WIN32
// We render on a different thread than the main thread which is handling window
// messages. Without D3DCREATE_MULTITHREADED, this can cause a deadlock by blocking
// on a window message being processed while the main thread is blocked waiting for
// the render thread to finish.
SDL_SetHintWithPriority(SDL_HINT_RENDER_DIRECT3D_THREADSAFE, "1", SDL_HINT_OVERRIDE);
#endif
m_Renderer = SDL_CreateRenderer(window, -1, rendererFlags); m_Renderer = SDL_CreateRenderer(window, -1, rendererFlags);
if (!m_Renderer) { if (!m_Renderer) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,