Re: [FFmpeg-devel] [PATCH 2/6] avcodec/vpp_qsv: Copy side data from input to output frame

["Xiang, Haihao" <haihao.xiang-at-intel.com@ffmpeg.org>]

On Thu, 2022-05-26 at 08:08 +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 954f882637..f4bf628073 100644
> --- a/libavfilter/qsvvpp.c
> +++ b/libavfilter/qsvvpp.c
> @@ -843,6 +843,12 @@ 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 7e76b39aa9..e15214dbf2 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;
>      }

LGTM

-Haihao

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