[FFmpeg-user] FFMPEG constant bitrate with libvpx on FreeBSD 9

Manas Bhatnagar b.manas.88 at gmail.com
Thu Feb 6 01:35:13 CET 2014

>> I am running ffmpeg version 2.1.1.
>This is old, if you are a user, please test current
>git head before reporting problems here.
>> I am trying to convert a h264,ac3 .mkv to a vp8,ogg
>> .webm file with constant bitrate. the command I am using
>> is "ffmpeg -i video.mkv -c:v libvpx -b:v 450k -minrate 450k
>> -maxrate 450k -c:a libvorbis -b:a 48k -ac 2 video.webm".
>Complete, uncut console output missing.
>> the output video file that is produced always has a very
>> high bitrate (1000+kbps).
>Did you test if this is reproducible with the vpx executable
>(without using FFmpeg)?
>Carl Eugen

Sorry for not including the output. You can see it here:

>pkg version -v | grep ffmpeg
"ffmpeg-2.1.1_1,1                    =   up-to-date with port"
I have latest version that is in the ports tree on FreeBSD 9.

I have not tested with th vpx executable, I will try that.


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