[FFmpeg-devel] [FFmpeg-cvslog] avfilter/af_earwax: fix filter behavior

Michael Niedermayer michael at niedermayer.cc
Fri Dec 11 00:32:14 EET 2020

On Mon, Dec 07, 2020 at 08:11:33PM +0000, Paul B Mahol wrote:
> ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Fri Dec  4 17:54:05 2020 +0100| [f41de0436cc8ce7221cd3702a51f3676cc689cf7] | committer: Paul B Mahol
> avfilter/af_earwax: fix filter behavior
> Previous filter output was incorrect. New one actually follows
> graph in comments described on side of filter taps.
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f41de0436cc8ce7221cd3702a51f3676cc689cf7
> ---

after this change the filter produces non deterministic output

./ffmpeg -bitexact  -i ~/videos/mm-short.mpg -af asetnsamples=17,earwax -f crc -

the CRC is differnt in general if run more than once

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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