From: Fei Wang <fei.w.w...@intel.com>
Fix cmd:
ffmpeg.exe -init_hw_device d3d11va=d3d -init_hw_device qsv=qsv@d3d \
-filter_hw_device d3d -hwaccel qsv -hwaccel_output_format qsv \
-i in.h264 -vf "hwmap,format=d3d11,hwdownload,format=nv12" -y out.yuv
Signed-off-by: Fei Wang <fei.w.w...@intel.com>
---
libavutil/hwcontext_qsv.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 7cec347478..09156275ec 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -1549,8 +1549,11 @@ static int qsv_frames_derive_from(AVHWFramesContext
*dst_ctx,
dst_hwctx->texture_infos[i].texture =
(ID3D11Texture2D*)pair->first;
dst_hwctx->texture_infos[i].index = pair->second ==
(mfxMemId)MFX_INFINITE ? (intptr_t)0 : (intptr_t)pair->second;
}
- ID3D11Texture2D_GetDesc(dst_hwctx->texture_infos[0].texture,
&texDesc);
- dst_hwctx->BindFlags = texDesc.BindFlags;
+ if (src_hwctx->nb_surfaces) {
+ ID3D11Texture2D_GetDesc(dst_hwctx->texture_infos[0].texture,
&texDesc);
+ dst_hwctx->BindFlags = texDesc.BindFlags;
+ } else
+ dst_hwctx->BindFlags =
qsv_get_d3d11va_bind_flags(src_hwctx->frame_type);
}
break;
#endif
--
2.34.1
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