[FFmpeg-devel] [PATCH] lavd/oss: support for more than 2 channels
nicolas.george at normalesup.org
Fri Jul 20 18:46:37 CEST 2012
Le tridi 3 thermidor, an CCXX, Paul B Mahol a écrit :
> Read this and tell me is that what alsa uses?
ALSA hardcodes the order: front left, front right, back left, back right,
front center, low freq, side left, side right. I believe it has to do with
how the most common surround controlers (probably Intel HDA) work.
SNDCTL_DSP_GET_CHNORDER seems like a good idea, but the web page you point
to says it is work in progress. For now, testing that a 5.1 and 7.1 file
play properly on a common hardware would certainly be enough.
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