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Demote DXVA2 renderer to second pass of hwaccels

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This commit is contained in:
Cameron Gutman
2024-03-26 23:04:54 -05:00
parent 9be782ae8e
commit cefa567f95
3 changed files with 6 additions and 45 deletions
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14
app/streaming/video/ffmpeg.cpp
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@@ -814,12 +814,8 @@ 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 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(pass);
// DXVA2 appears in the hwaccel list before D3D11VA, so we only check for D3D11VA
// on the first pass to ensure we prefer D3D11VA over DXVA2.
case AV_HWDEVICE_TYPE_D3D11VA:
return new D3D11VARenderer(pass);
#endif
@@ -857,9 +853,9 @@ IFFmpegRenderer* FFmpegVideoDecoder::createHwAccelRenderer(const AVCodecHWConfig
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.
// This gives us another shot if D3D11VA failed in the first pass.
// Since DXVA2 is in the hwaccel list first, we'll first try to fall back
// to that before giving D3D11VA another try as a last resort.
case AV_HWDEVICE_TYPE_DXVA2:
return new DXVA2Renderer(pass);
case AV_HWDEVICE_TYPE_D3D11VA: