On Thu, 2021-03-11 at 08:44 +0000, Chen, Wenbin wrote:
> > -----Original Message-----
> > From: Xiang, Haihao <haihao.xi...@intel.com>
> > Sent: Thursday, March 11, 2021 4:39 PM
> > To: ffmpeg-devel@ffmpeg.org
> > Cc: Chen, Wenbin <wenbin.c...@intel.com>
> > Subject: Re: [FFmpeg-devel] [PATCH] libavcodec/qsvdec.c: using queue count
> > to unref frame
> >
> > On Thu, 2021-03-11 at 13:26 +0800, wenbin.c...@intel.com wrote:
> > > From: "Chen,Wenbin" <wenbin.c...@intel.com>
> > >
> > > MSDK vc1 and av1 sometimes output frame into the same suface, but
> > > ffmpeg-qsv assume the surface will be used only once, so it will
> > > unref the frame when it receives the outpur surface. Now change
> >
> > typo? s/outpur/output
>
> yes typo. Do I need to submit again?
>
Yes, I think you should re-submit the patch, otherwise others have to change it
for you.
Thanks
Haihao
> >
> > > it to unref frame according to queue count.
> > >
> > > Signed-off-by Wenbin Chen <wenbin.c...@intel.com>
> > > ---
> > > libavcodec/qsvdec.c | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
> > > index d10f90a0db..e073e10699 100644
> > > --- a/libavcodec/qsvdec.c
> > > +++ b/libavcodec/qsvdec.c
> > > @@ -470,7 +470,7 @@ static int qsv_decode(AVCodecContext *avctx,
> >
> > QSVContext
> > > *q,
> > > return AVERROR_BUG;
> > > }
> > >
> > > - out_frame->queued = 1;
> > > + out_frame->queued += 1;
> > > av_fifo_generic_write(q->async_fifo, &out_frame,
> > > sizeof(out_frame),
> > > NULL);
> > > av_fifo_generic_write(q->async_fifo,
> > > &sync, sizeof(sync), NULL);
> > > } else {
> > > @@ -483,7 +483,7 @@ static int qsv_decode(AVCodecContext *avctx,
> >
> > QSVContext
> > > *q,
> > >
> > > av_fifo_generic_read(q->async_fifo, &out_frame,
> > > sizeof(out_frame),
> > > NULL);
> > > av_fifo_generic_read(q->async_fifo,
> > > &sync, sizeof(sync), NULL);
> > > - out_frame->queued = 0;
> > > + out_frame->queued -= 1;
> > >
> > > if (avctx->pix_fmt != AV_PIX_FMT_QSV) {
> > > do {
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