[FFmpeg-devel] [PATCH] avfilter/buffersrc: stop passing AV_NOPTS_VALUE on EOF

[Niklas Haas]

On Thu, 15 Jun 2023 17:17:41 +0200 Paul B Mahol <onemda at gmail.com> wrote:
> Attached.
> From 88fbb2fbfd2bb7cb3474d54cb197ee42b1404532 Mon Sep 17 00:00:00 2001
> From: Paul B Mahol <onemda at gmail.com>
> Date: Thu, 15 Jun 2023 17:15:44 +0200
> Subject: [PATCH] avfilter/buffersrc: stop passing AV_NOPTS_VALUE on EOF
> 
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  libavfilter/buffersrc.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
> index 612541b803..ea50713701 100644
> --- a/libavfilter/buffersrc.c
> +++ b/libavfilter/buffersrc.c
> @@ -61,6 +61,7 @@ typedef struct BufferSourceContext {
>      AVChannelLayout ch_layout;
>  
>      int eof;
> +    int64_t last_pts;
>  } BufferSourceContext;
>  
>  #define CHECK_VIDEO_PARAM_CHANGE(s, c, width, height, format, pts)\
> @@ -191,10 +192,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
>      s->nb_failed_requests = 0;
>  
>      if (!frame)
> -        return av_buffersrc_close(ctx, AV_NOPTS_VALUE, flags);
> +        return av_buffersrc_close(ctx, s->last_pts, flags);
>      if (s->eof)
>          return AVERROR(EINVAL);
>  
> +    s->last_pts = frame->pts + frame->duration;
> +
>      refcounted = !!frame->buf[0];
>  
>      if (!(flags & AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT)) {
> -- 
> 2.39.1
> 
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Confirming that this fixes a bug I was encountering.