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AudioFormat: define that channel order follows the FLAC convention

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Basic definition to solve http://bugs.musicpd.org/view.php?id=3147 and
http://bugs.musicpd.org/view.php?id=3255
This commit is contained in:
Max Kellermann 2015-10-26 23:55:17 +01:00
parent 41e63031b0
commit 4b1630e1ec
1 changed files with 13 additions and 2 deletions
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15
src/AudioFormat.hxx
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@ -82,8 +82,19 @@ struct AudioFormat {
SampleFormat format; SampleFormat format;
/** /**
* The number of channels. Only mono (1) and stereo (2) are * The number of channels.
* fully supported currently. *
* Channel order follows the FLAC convention
* (https://xiph.org/flac/format.html):
*
* - 1 channel: mono
* - 2 channels: left, right
* - 3 channels: left, right, center
* - 4 channels: front left, front right, back left, back right
* - 5 channels: front left, front right, front center, back/surround left, back/surround right
* - 6 channels: front left, front right, front center, LFE, back/surround left, back/surround right
* - 7 channels: front left, front right, front center, LFE, back center, side left, side right
* - 8 channels: front left, front right, front center, LFE, back left, back right, side left, side right
*/ */
uint8_t channels; uint8_t channels;