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lavc/d3d12va: Improve behaviour on missing decoder support 

Distinguish between a decoder being entirely missing and a decoder which
requires features which are not present in the incomplete implementation
in libavcodec and therefore can't be used.
This commit is contained in:
Mark Thompson 2024-02-04 13:24:33 +00:00
parent 52cc89dc45
commit fa580a0f17
1 changed files with 8 additions and 4 deletions
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12
libavcodec/d3d12va_decode.c
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@ -239,10 +239,14 @@ static int d3d12va_create_decoder(AVCodecContext *avctx)
DX_CHECK(ID3D12VideoDevice_CheckFeatureSupport(device_hwctx->video_device, D3D12_FEATURE_VIDEO_DECODE_SUPPORT,
&feature, sizeof(feature)));
if (!(feature.SupportFlags & D3D12_VIDEO_DECODE_SUPPORT_FLAG_SUPPORTED) ||
!(feature.DecodeTier >= D3D12_VIDEO_DECODE_TIER_2)) {
av_log(avctx, AV_LOG_ERROR, "D3D12 decoder doesn't support on this device\n");
return AVERROR(EINVAL);
if (!(feature.SupportFlags & D3D12_VIDEO_DECODE_SUPPORT_FLAG_SUPPORTED)) {
av_log(avctx, AV_LOG_ERROR, "D3D12 video decode is not supported on this device.\n");
return AVERROR(ENOSYS);
}
if (!(feature.DecodeTier >= D3D12_VIDEO_DECODE_TIER_2)) {
av_log(avctx, AV_LOG_ERROR, "D3D12 video decode on this device requires tier %d support, "
"but it is not implemented.\n", feature.DecodeTier);
return AVERROR_PATCHWELCOME;
}
desc = (D3D12_VIDEO_DECODER_DESC) {