Hi all, Here's three patches. These are still WIP and not ready to be pushed.
0001-avfilter-add-libebur128-port.patch This first patch ports libebur128 to ffmpeg. I haven't re-indented these yet, so please diff `ebur128.c' and `ebur128.h' with the original libebur128 files[1][2] to see what has changed. Also included is `queue.h' which comes from BSD, which AFAIK should be distributable if we decide to go this route. All these files still need their license header, as libebur128 is MIT licensed and needs its own copyright message. One other thing to take a look at is the section with the sse2 optimizations - does FFmpeg already have a macro we could use for this? 0002-avfilter-af_loudnorm-use-internal-ebur128-api.patch This patch removes the libebur128 dependency for the loudnorm and uses the new internal ebur128 API. 0003-avfilter-af_astats-add-ebur128-stats.patch This patch adds ebur128 stats to the astats filter. Because of the extra computation required to calculate ebur128 stats, I decided that these modes should be explicitly specified via a few new filter parameters. From my perspective, it makes more sense for this to live in the astats filter instead of a completely separate filter (f_ebur128). I'd vote for removing the current ebur128 filter, but if we wanted to keep it it should be ported to use the new ebur128 code. Thanks, Kyle [1] https://raw.githubusercontent.com/jiixyj/libebur128/master/ebur128/ebur128.h [2] https://raw.githubusercontent.com/jiixyj/libebur128/master/ebur128/ebur128.c
0001-avfilter-add-libebur128-port.patch
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0002-avfilter-af_loudnorm-use-internal-ebur128-api.patch
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0003-avfilter-af_astats-add-ebur128-stats.patch
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