[FFmpeg-user] Is there a better way to do this

[Cecil Westerhof]

Op Saturday 19 Apr 2014 12:40 CEST schreef Reindl Harald:

> Am 19.04.2014 12:31, schrieb Cecil Westerhof:
>> I am using:
>> ffmpeg -async 1
>> -f alsa
>> -ac 1
>> -i hw:1,0,0
>> -f x11grab -s 1920x1080
>> -r 25
>> -i :0.0
>> -acodec libmp3lame
>> -ar 22050
>> -ab 64k
>> -qscale:video 4
>> 2014-04-19_12:24.avi
>>
>> Works reasonably well. But in the man page I do not see the
>> parameter '-ab' described. Should I use something else for this?
>
> ab = AudioBitrate
> http://en.wikipedia.org/wiki/MP3

Why is it then not in the documentation?


> for spoken audio 64 is fine, for music it is crap and
> should be at least 128

At the moment it is for a screen-cast, so only spoken audio.


>> I also get: [swscaler @ 0x13d3100] deprecated pixel format used,
>> make sure you did set range correctly
>>
>> What am I doing wrong here?
>
> just a warning

OK, nothing to worry about then.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof