[FFmpeg-user] Option `-b' seems not to have any effect

belcampo belcampo at zonnet.nl
Fri Dec 2 17:23:50 CET 2011

On 12/02/2011 04:49 PM, Rodolfo Medina wrote:
> Rodolfo Medina<rodolfo.medina at gmail.com>  writes:
>> Whatever value I put for `-b' (e.g.: -b 64k, -b 32k, -b 0k) the output file
>> size remains always 26M.  Is that normal?  If not, how to fix that?  Below is
>> ffmpeg's output, and many thanks indeed for any help supported.
> Jim Shupert<jshupert at pps-inc.com>  writes:
>> might you have a 'newer' version that now uses the syntax of
>> -b:v 4000k
>> no longer
>> -b 4000kand then audio is -b:a
>> do a help ::: ffmpeg -h
>> and look for
>> -b bitrate          video bitrate (please use -b:v)
> Thanks, but that does not work: the option `-b:v' is `unrecognized'.
That's because you use a very old version of ffmpeg,
FFmpeg version r11872+debian_0.svn20080206-17, Copyright (c) 2000-2008
For support on this list, latest GIT-version should be used.
> Rodolfo
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