Re: [FFmpeg-devel] [PATCH 2/2] avcodec/vpp_qsv: Copy side data from input to output frame

[Soft Works <softworkz@hotmail.com>]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> "zhilizhao(???)"
> Sent: Tuesday, November 1, 2022 10:18 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH 2/2] avcodec/vpp_qsv: Copy side
> data from input to output frame
> 
> 
> 
> > On Nov 1, 2022, at 12:58, Xiang, Haihao <haihao.xiang-at-
> intel.com@ffmpeg.org> wrote:
> >
> > On Mon, 2022-10-24 at 23:04 +0000, softworkz wrote:
> >> From: softworkz <softworkz@hotmail.com>
> >>
> >> Signed-off-by: softworkz <softworkz@hotmail.com>
> >> ---
> >> libavfilter/qsvvpp.c         |  6 ++++++
> >> libavfilter/vf_overlay_qsv.c | 19 +++++++++++++++----
> >> 2 files changed, 21 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
> >> index 8428ee89ab..ae9766d12f 100644
> >> --- a/libavfilter/qsvvpp.c
> >> +++ b/libavfilter/qsvvpp.c
> >> @@ -880,6 +880,12 @@ int ff_qsvvpp_filter_frame(QSVVPPContext *s,
> AVFilterLink
> >> *inlink, AVFrame *picr
> >>                 return AVERROR(EAGAIN);
> >>             break;
> >>         }
> >> +
> >> +        av_frame_remove_all_side_data(out_frame->frame);
> >> +        ret = av_frame_copy_side_data(out_frame->frame, in_frame-
> >frame, 0);
> >> +        if (ret < 0)
> >> +            return ret;
> >> +
> >>         out_frame->frame->pts = av_rescale_q(out_frame-
> >>> surface.Data.TimeStamp,
> >>                                              default_tb, outlink-
> >time_base);
> >>
> >> diff --git a/libavfilter/vf_overlay_qsv.c
> b/libavfilter/vf_overlay_qsv.c
> >> index d947a1faa1..04fd284b92 100644
> >> --- a/libavfilter/vf_overlay_qsv.c
> >> +++ b/libavfilter/vf_overlay_qsv.c
> >> @@ -231,13 +231,24 @@ static int process_frame(FFFrameSync *fs)
> >> {
> >>     AVFilterContext  *ctx = fs->parent;
> >>     QSVOverlayContext  *s = fs->opaque;
> >> +    AVFrame       *frame0 = NULL;
> >>     AVFrame        *frame = NULL;
> >> -    int               ret = 0, i;
> >> +    int               ret = 0;
> >>
> >> -    for (i = 0; i < ctx->nb_inputs; i++) {
> >> +    for (unsigned i = 0; i < ctx->nb_inputs; i++) {
> >>         ret = ff_framesync_get_frame(fs, i, &frame, 0);
> >> -        if (ret == 0)
> >> -            ret = ff_qsvvpp_filter_frame(s->qsv, ctx->inputs[i],
> frame);
> >> +
> >> +        if (ret == 0) {
> >> +            if (i == 0)
> >> +                frame0 = frame;
> >> +            else {
> >> +                av_frame_remove_all_side_data(frame);
> >> +                ret = av_frame_copy_side_data(frame, frame0, 0);
> >> +            }
> >> +
> >> +            ret = ret < 0 ? ret : ff_qsvvpp_filter_frame(s->qsv,
> ctx-
> >>> inputs[i], frame);
> >> +        }
> >> +
> >>         if (ret < 0 && ret != AVERROR(EAGAIN))
> >>             break;
> >>     }
> >
> > Patchset LGTM, I'll push this patchset if no more comment or
> objection.
> 
> avcodec/vpp_qsv: Copy side data from input to output frame
> ^^^^^^^
> 
> avcodec -> avfilter
> 

Good catch!

Thank you,
sw
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