[FFmpeg-user] Write audio volume info to file

Nicolas George george at nsup.org
Thu Feb 16 14:47:41 EET 2023

Alexander Bieliaev via ffmpeg-user (12023-02-16):
> At best, I would like to get an average audio volume. The problem with
> using the volumedetect filter for me is that I'm using the ffmpeg library
> for c#


> and I can't see the ffmpeg console output,

Install a custom log handler.

I grant you there is a need for a better API to extract data from
filters. But volumedetect is fast but inaccurate. ebur128 can set up
metadata to return the volume.

> so I want to write data to a file.

Redirecting outputs is system programming, it is not related to FFmpeg.

> On Thu, Feb 16, 2023 at 1:44 PM Michael Koch <astroelectronic at t-online.de>
> wrote:

Top-posting is forbidden on FFmpeg lists; if you do not know what it
means, look it up.


  Nicolas George

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