[Ffmpeg-devel] mpeg4 bitrate unusable?

Cyrus A lists
Wed Nov 1 18:47:10 CET 2006



Baptiste Coudurier wrote:
> Hi
>
> Cyrus A wrote:
>   
>> (This problem arose somewhere between rev 4526 and 6849. Sorry I can't
>> be more specific without doing another binary search. If I get time,
>> I'll repost with what I can find.)
>>
>> I think MPEG-4 video encoding bitrate specification is broken. Using rev
>> 4526, the following command produces crystal clear video from my video
>> capture card:
>>
>> ffmpeg -i /dev/video0 -async 1 -y -vcodec mpeg4 -acodec mp3 -t 30 -b
>> 1750 -ab 192 -s 480x384 test.avi
>>     
>
> -b switch now is in bit/s. Use 1750k.
>
>   
That took care of it. Thanks.

Cyrus




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