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Use a barrier to ensure we don't flush important window events

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This commit is contained in:
Cameron Gutman 2021-01-09 17:51:25 -06:00
commit 2d62d090df
3 changed files with 47 additions and 6 deletions
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13
app/streaming/video/ffmpeg-renderers/sdlvid.cpp
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@ -112,8 +112,17 @@ bool SdlRenderer::initialize(PDECODER_PARAMETERS params)
// can get spurious SDL_WINDOWEVENT events that will cause us to (again) recreate our
// renderer. This can lead to an infinite to renderer recreation, so discard all
// SDL_WINDOWEVENT events after SDL_CreateRenderer().
SDL_PumpEvents();
SDL_FlushEvent(SDL_WINDOWEVENT);
Session* session = Session::get();
if (session != nullptr) {
// If we get here during a session, we need to synchronize with the event loop
// to ensure we don't drop any important events.
session->flushWindowEvents();
}
else {
// If we get here prior to the start of a session, just pump and flush ourselves.
SDL_PumpEvents();
SDL_FlushEvent(SDL_WINDOWEVENT);
}
// Calculate the video region size, scaling to fill the output size while
// preserving the aspect ratio of the video stream.