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Prefer D3D11VA in non-FSE modes for improved performance

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This commit is contained in:
Cameron Gutman
2022-08-21 17:50:56 -05:00
parent feaae7b684
commit bf4332b9e7
5 changed files with 55 additions and 11 deletions
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20
app/streaming/video/ffmpeg.cpp
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@@ -601,13 +601,14 @@ IFFmpegRenderer* FFmpegVideoDecoder::createHwAccelRenderer(const AVCodecHWConfig
if (pass == 0) {
switch (hwDecodeCfg->device_type) {
#ifdef Q_OS_WIN32
// DXVA2 appears in the hwaccel list before D3D11VA, so we will implicitly
// prefer it. When we want to switch to D3D11VA by default, we'll need to
// move it into the second pass set below.
// DXVA2 appears in the hwaccel list before D3D11VA, so we will prefer it.
//
// There is logic in DXVA2 that may elect to fail on the first selection pass
// to allow D3D11VA to be used in cases where it is known to be better.
case AV_HWDEVICE_TYPE_DXVA2:
return new DXVA2Renderer();
return new DXVA2Renderer(pass);
case AV_HWDEVICE_TYPE_D3D11VA:
return new D3D11VARenderer();
return new D3D11VARenderer(pass);
#endif
#ifdef Q_OS_DARWIN
case AV_HWDEVICE_TYPE_VIDEOTOOLBOX:
@@ -636,6 +637,15 @@ IFFmpegRenderer* FFmpegVideoDecoder::createHwAccelRenderer(const AVCodecHWConfig
case AV_HWDEVICE_TYPE_CUDA:
// CUDA should only be used to cover the NVIDIA+Wayland case
return new CUDARenderer();
#endif
#ifdef Q_OS_WIN32
// This gives DXVA2 and D3D11VA another shot at handling cases where they
// chose to purposefully fail in the first selection pass to allow a more
// optimal decoder to be tried.
case AV_HWDEVICE_TYPE_DXVA2:
return new DXVA2Renderer(pass);
case AV_HWDEVICE_TYPE_D3D11VA:
return new D3D11VARenderer(pass);
#endif
default:
return nullptr;