[FFmpeg-user] Command line -b:v 20M Bitrate spikes to 65000

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Nov 29 01:16:17 CET 2011

Brian Kneeland <bdkneela <at> yahoo.com> writes:

> ffmpeg.exe -i .\test.mkv -vcodec mpeg2video -f mpegts -b:v 20M -r 23.98
> -acodec ac3 -ac 6 -ab 448k .\test.ts

> Is there a way to modify my command to hard cap the bitrate of the file at
> 20,000 or 25,000 kbps?

Did you try -bufsize and -maxrate as suggested in the manual?

Carl Eugen

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