*[Ffmpeg-devel] process an audio stream and find some attributes...

[Martin Boehme]

Patrick Fischer wrote:
> I have written an Class to process an mpeg stream(audio/video).
> I want to identify the avg loudness of the AudioStream.
> 
> By the way I have one class for video and one for audio.
> My AudioStream Class has the ability to detect the rigth stream id and 
> codec.
> 
> <http://dict.leo.org/se?lp=ende&p=/Mn4k.&search=ability>But I have two 
> Problems:
> -First I don't know how to handel the audio data. (find the avgloudness)

Compute the power of the signal:

http://cnx.rice.edu/content/m10055/latest/

Martin

-- 
Martin B?hme
Inst. f. Neuro- and Bioinformatics
Ratzeburger Allee 160, D-23538 Luebeck
Phone: +49 451 500 5514
Fax:   +49 451 500 5502
boehme at inb.uni-luebeck.de