[libav-bugs] [Bug 336] DTS-ES 6.1 audio decoding issue (Libav for Windows, x86_64)

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Fri Aug 10 18:23:13 CEST 2012


http://bugzilla.libav.org/show_bug.cgi?id=336

--- Comment #1 from Rodeo <tdskywalker at gmail.com> 2012-08-10 18:23:13 CEST ---
So avconv's output is different depending on whether and which assembly
optimizations are enabled.

This gives the same output as the default (distortion):

avconv -cpuflags avx -i 6point1_dts-es.mkv 6point1_dts-es_avx.wav
Log: https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_avx.txt
Sample:
https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_avx.wav

This gives different output than the default, but is also distorted:

avconv -cpuflags sse -i 6point1_dts-es.mkv 6point1_dts-es_sse.wav
Log: https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_sse.txt
Sample:
https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_sse.wav

This gives good output:

avconv -cpuflags 0 -i 6point1_dts-es.mkv 6point1_dts-es_0.wav
Log: https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_0.txt
Sample:
https://dl.dropbox.com/u/37259775/libav/adistorsion/6point1_dts-es_0.twav

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