[libav-tools] avconv resets sound level to zero.

Luca Barbato lu_zero at gentoo.org
Mon Dec 22 11:38:27 CET 2014


On 22/12/14 10:25, Benedict Breuer wrote:
> If two programs are right, then this is the absolute truth and the third
> one must be wrong.
> Argg.
>
> I tried the PCM-video in KDEnlive and suddenly there it had sound! Thus, I
> should rather discuss that on the totem and cinelerra lists.
> Sorry for that, guys.
>
> One more question:
>
> I found out that ffmpeg has the -complex_filter astats that could have
> detect that this is not a problem.
> Does avconv has a similar option?

avplay usually can do the same by plotting the audio spectrum, I wasn't 
aware of that, I have one of my many github branches about extracting 
information (ssim and such) from streams but never had the time to merge 
it back.

Thanks for the info.

lu



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