[FFmpeg-user] mov [ProRes/pcm_s24le] -> mp4 same quality

[Carl Eugen Hoyos]

HallMarc Websites <marc <at> hallmarcwebsites.com> writes:

> ffmpeg -y -i INPUT.mov -vcodec mpeg4 -b:v 1883k -r 23.976 -acodec pcm_s24le
> -ar 44100 -ab 2304 -ac 2 OUTPUT.mp4
> ffmpeg -y -i INPUT.mov -vcodec mpeg4 -b:v 1883k -r 23.976 -acodec pcm_s24le
> 2 OUTPUT.mp4

mp4 does not support pcm audio (mov does).

[...]

> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
>   Stream #0:1 -> #0:1 (copy)

For future reports, please try to match command line and output.

If you still see A/V desync when reading ProRes, please upload a sample, the
problem is not known.

Carl Eugen