Quoting Chen, Wenbin (2021-11-23 02:56:37)
> > From: nyanmisaka <nst799610...@gmail.com>
> >
> > 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 <nst799610...@gmail.com>
> > Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
> > ---
> > libavutil/hwcontext_qsv.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
> > index c18747f7eb..d83754193a 100644
> > --- a/libavutil/hwcontext_qsv.c
> > +++ b/libavutil/hwcontext_qsv.c
> > @@ -1220,7 +1220,7 @@ 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;
> > }
Looks good, will push.
--
Anton Khirnov
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