[FFmpeg-devel] [PATCH v3 0/2] avformat/mxfenc: Fix guess frame_rate

[Anton Khirnov]

Quoting Nicolas Gaullier (2024-09-02 11:52:15)
> Following yesterday posts by Anton/Tomas on version 1.
> 
> v3:
> - do not fall back to time_base (that was my v2)
> - do not remove "-r 25" in the fate test with streamcopy (see below)
> 
> What comes out:
> - mxfenc behaves the same as matroskaenc for example
> - avienc behaves differently: still sticked to time_base only
> 
> --
> 
> Another issue on this: "-r" as an output option with streamcopy
> is not honored with mxf/matroska, but it is with avienc. This is because
> streamcopy_init() only overrides time_base, not *_frame_rate.

Output -r should set avg_frame_rate, see line 958 in ffmpeg_mux_init.c.

-- 
Anton Khirnov