[FFmpeg-devel] [PATCH 1/2] lavfi/ebur128: add metadata injection.

Clément Bœsch ubitux at gmail.com
Sun Mar 3 23:12:46 CET 2013

On Sun, Mar 03, 2013 at 11:06:58PM +0100, Jan Ehrhardt wrote:
> Clément Bœsch in gmane.comp.video.ffmpeg.devel (Fri, 1 Mar 2013 18:07:11
> +0100):
> >On Sun, Feb 24, 2013 at 12:57:51PM +0100, Jan Ehrhardt wrote:
> >[...]
> >> >Additional feature wish: (allow to) disable spamming the console when the
> >> >data is injected.
> >> 
> >> That would be a good addition. The report at the end can stay, but all
> >> those messages in between...
> >
> >Yes, I removed them.
> If you want to see the effect of the normalization in FFmpeg you still
> get a lot of messages in between. A filter like
> ebur128=volnorm=I,volume=metadata=lavfi.r128.volume,ebur128
> ends with a report containing the loudnesses after and before the
> normalization (in that order, but who cares). Is there a way to suppress
> the intermediate messages and show only the summary? Something like
> ebur128=volnorm=I,volume=metadata=lavfi.r128.volume,ebur128=quiet

Should be easy to do; I'll consider this when the normalization is
upstream. I've also added an experimental true peaks feature recently,
which means I may need to play with the debug again, so it will be changed
at the same time.

As a temporary workaround, you can just locate the av_log() in
filter_frame and change the loglevel.

Clément B.
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