[FFmpeg-devel] [PATCH] avformat/img2dec: set r_frame_rate in addition to avg_frame_rate

[Anton Khirnov]

Quoting Jan Ekström (2021-04-07 20:25:03)
> Apparently for various image sequences libavformat/utils.c can
> calculate rather fancy r_frame_rate values, such as `186/1921`,
> and since ffmpeg.c utilizes r_frame_rate for the filter chain
> time base, this can quite deteriorate the output frame timing - even
> though the user has requested the image sequence to be interpreted
> at a specific, constant frame rate.
> ---
>  libavformat/img2dec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
> index be7149bb2f..7b03cb2af1 100644
> --- a/libavformat/img2dec.c
> +++ b/libavformat/img2dec.c
> @@ -222,7 +222,7 @@ int ff_img_read_header(AVFormatContext *s1)
>          avpriv_set_pts_info(st, 64, 1, 1);
>      else {
>          avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
> -        st->avg_frame_rate = s->framerate;
> +        st->avg_frame_rate = st->r_frame_rate = s->framerate;
>      }
>  
>      if (s->width && s->height) {
> -- 
> 2.30.2

acceptable

-- 
Anton Khirnov