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libavutil/hwcontext_qsv: fix a bug for mapping vaapi frame to qsv

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The data stored in data[3] in VAAPI AVFrame is VASurfaceID while
the data stored in pair->first is the pointer of VASurfaceID, so
we need to do cast to make following commandline works:

ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 \
-hwaccel_output_format vaapi -i input.264 \
-vf "hwmap=derive_device=qsv,format=qsv" -c:v h264_qsv output.264

Signed-off-by: nyanmisaka <nst799610810@gmail.com>
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
nyanmisaka 2021-11-16 16:16:22 +08:00 committed by Anton Khirnov
parent c6f4e10111
commit 64467cbca2
1 changed files with 1 additions and 1 deletions
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2
libavutil/hwcontext_qsv.c
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@ -1218,7 +1218,7 @@ static int qsv_map_to(AVHWFramesContext *dst_ctx,
case AV_PIX_FMT_VAAPI:
{
mfxHDLPair *pair = (mfxHDLPair*)hwctx->surfaces[i].Data.MemId;
if (pair->first == src->data[3]) {
if (*(VASurfaceID*)pair->first == (VASurfaceID)src->data[3]) {
index = i;
break;
}