[FFmpeg-devel] [PATCH 1/2] avformat/mov: fix timecode with high frame rate content

[Anton Khirnov]

Quoting Marton Balint (2022-04-10 20:11:59)
> 60 fps content have "Number of Frames" set to 30 in the tmcd atom, but the
> frame duration / timescale reflects the original video frame rate.
> 
> Therefore we multiply the frame count with the quotient of the rounded timecode
> frame rate and the "Number of Frames" per second to get a frame count in the original
> (higher) frame rate.
> 
> Note that the frames part in the timecode will be in high frame rate which will
> make the timecode different to e.g. MediaInfo which seems to show the 30 fps
> timecode even for 120 fps content.
> 
> Regression since 428b4aacb1a91a267650de644519882a5f700388.
> 
> Fixes ticket #9710.
> Fixes ticket #9492.

Sounds like there should be a test for this.

-- 
Anton Khirnov