[FFmpeg-cvslog] avfilter/avf_showspectrum: add some multithreading support
Michael Niedermayer
michael at niedermayer.cc
Tue Aug 16 15:02:32 EEST 2016
On Mon, Aug 15, 2016 at 01:23:39PM +0200, Paul B Mahol wrote:
> ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Aug 15 11:53:56 2016 +0200| [ce5ba770794576cd40749d7754cb8a837ef73e2f] | committer: Paul B Mahol
>
> avfilter/avf_showspectrum: add some multithreading support
>
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce5ba770794576cd40749d7754cb8a837ef73e2f
> ---
>
> libavfilter/avf_showspectrum.c | 232 +++++++++++++++++++++++------------------
> 1 file changed, 131 insertions(+), 101 deletions(-)
This breaks deterministic output
example:
./ffmpeg -f lavfi -i "amovie=fatesamples/fate/fate-suite/wavpack/num_channels/eva_2.22_6.1_16bit-partial.wv,showspectrum=s=340x240[out0]" -t 0.1 -qscale 2 -y file.avi ; md5sum file.avi
3c72107b59723d98b7c0189cb5b5c8ca file.avi
3b499002b978dcd4e6f8ae3ea4ca9b1f file.avi
b731923314d304234c01e1a985adfd19 file.avi
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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