[FFmpeg-devel] [PATCH] libavfilter/af_showvolume: A Simple Audio Filter for Extracting Volume Information

[Timothy Gu]

On Mon Dec 22 2014 at 7:51:10 AM Lars Kiesow <lkiesow at uos.de> wrote:

> Hi everyone,
> I'm an FFmpeg user for quite a while now and though I might as well
> switch to dev at some point...
>
> Please find attached to this mail a simple audio filter which makes it
> possible to extract and print volume information from audio streams. It
> works more or less like the showinfo filters only that it returns the
> pcm value information for each audio sample.
>

https://ffmpeg.org/ffmpeg-filters.html#volumedetect ?

Timothy