[FFmpeg-devel] [PATCH] avfilter: add loudnorm

Kyle Swanson k at ylo.ph
Wed Apr 6 04:52:20 CEST 2016

> Here's another audio filter. I hinted at this a few months ago, but I found out that
> finishing the last 5% took almost as long as the first 95%. This is an EBU R128
> dynamic loudness normalization filter. This filter uses libebur128 v1.1.0[1] and must be
> configured with `--enable-libebur128'. Please also see the accompanying blog post[2]
> which has an algorithm description, as well as some usage instructions.
> [1] https://github.com/jiixyj/libebur128
> [2] http://k.ylo.ph/2016/04/04/loudnorm.html
> Thanks!
> Kyle


First version had a couple of messed up tabs. New patch attached.
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