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lavu/channel_layout: document the semantic of layouts.

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Nicolas George
2012-11-28 12:05:24 +01:00
parent 5148147b26
commit 2cb227f6a2
1 changed files with 8 additions and 0 deletions
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8
libavutil/channel_layout.h
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@@ -36,6 +36,14 @@
/** /**
* @defgroup channel_masks Audio channel masks * @defgroup channel_masks Audio channel masks
*
* A channel layout is a 64-bits integer with a bit set for every channel.
* The number of bits set must be equal to the number of channels.
* The value 0 means that the channel layout is not known.
* @note this data structure is not powerful enough to handle channels
* combinations that have the same channel multiple times, such as
* dual-mono.
*
* @{ * @{
*/ */
#define AV_CH_FRONT_LEFT 0x00000001 #define AV_CH_FRONT_LEFT 0x00000001