[FFmpeg-devel] [FFmpeg-cvslog] fftools/sync_queue: use timebase from input frames/packets

[Michael Niedermayer]

On Sun, Apr 09, 2023 at 01:50:08PM +0000, Anton Khirnov wrote:
> ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Tue Mar 21 12:36:03 2023 +0100| [090950f8327c01b1775615b1da723dc6cc8a30a0] | committer: Anton Khirnov
> 
> fftools/sync_queue: use timebase from input frames/packets
> 
> They are always properly set now. Avoid a separate timebase-setting
> call, which duplicates the knowledge of the timebase being used.

This looses bitrate information in some cases

./ffmpeg -analyzeduration 1M -y -i ~/videos/mm-short.mpg -vcodec copy -aspect 16:9 -vframes 3 tmp.avi
./ffprobe tmp.avi

Stream #0:0: Video: mpeg2video (Main) (mpg2 / 0x3267706D), yuv420p(tv, bt470bg/bt470m/bt470m, bottom first), 720x576 [SAR 16:15 DAR 4:3], 8061 kb/s, SAR 64:45 DAR 16:9, 50 fps, 50 tbr, 50 tbn
vs.
Stream #0:0: Video: mpeg2video (Main) (mpg2 / 0x3267706D), yuv420p(tv, bt470bg/bt470m/bt470m, bottom first), 720x576 [SAR 16:15 DAR 4:3], SAR 64:45 DAR 16:9, 50 fps, 50 tbr, 50 tbn


[...]
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