[FFmpeg-devel] [FFmpeg-cvslog] ALSA: implement channel layout for playback.

Nicolas George nicolas.george at normalesup.org
Sat Mar 26 17:33:23 CET 2011


Le sextidi 6 germinal, an CCXIX, Carl Eugen Hoyos a écrit :
> I still believe that should be AV_CH_LAYOUT_5POINT1.

I am pretty certain that should not:

http://git.alsa-project.org/?p=alsa-utils.git;a=blob;f=speaker-test/speaker-test.c#l128

static const int        channels6[] = {
  0, /* Front Left  */
  4, /* Center      */
  1, /* Front Right */
  3, /* Rear Right  */
  2, /* Rear Left   */
  5, /* LFE         */
};

ALSA 6-channels layout has rear speakers, not side speakers.

But if you want to silently accept 5.1-side as if it were 5.1-back, I have
absolutely no objection that you commit such a change.

Regards,

-- 
  Nicolas George
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