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avutil/channel_layout: Group pre-defined channel layouts

This commit is contained in:
Marvin Scholz 2022-09-24 19:06:30 +02:00 committed by Anton Khirnov
parent 6c2ae2e994
commit f29dde49d2
1 changed files with 5 additions and 0 deletions
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5
libavutil/channel_layout.h
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@ -359,6 +359,10 @@ typedef struct AVChannelLayout {
#define AV_CHANNEL_LAYOUT_MASK(nb, m) \ #define AV_CHANNEL_LAYOUT_MASK(nb, m) \
{ .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = (nb), .u = { .mask = (m) }} { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = (nb), .u = { .mask = (m) }}
/**
* @name Common pre-defined channel layouts
* @{
*/
#define AV_CHANNEL_LAYOUT_MONO AV_CHANNEL_LAYOUT_MASK(1, AV_CH_LAYOUT_MONO) #define AV_CHANNEL_LAYOUT_MONO AV_CHANNEL_LAYOUT_MASK(1, AV_CH_LAYOUT_MONO)
#define AV_CHANNEL_LAYOUT_STEREO AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_STEREO) #define AV_CHANNEL_LAYOUT_STEREO AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_STEREO)
#define AV_CHANNEL_LAYOUT_2POINT1 AV_CHANNEL_LAYOUT_MASK(3, AV_CH_LAYOUT_2POINT1) #define AV_CHANNEL_LAYOUT_2POINT1 AV_CHANNEL_LAYOUT_MASK(3, AV_CH_LAYOUT_2POINT1)
@ -390,6 +394,7 @@ typedef struct AVChannelLayout {
#define AV_CHANNEL_LAYOUT_22POINT2 AV_CHANNEL_LAYOUT_MASK(24, AV_CH_LAYOUT_22POINT2) #define AV_CHANNEL_LAYOUT_22POINT2 AV_CHANNEL_LAYOUT_MASK(24, AV_CH_LAYOUT_22POINT2)
#define AV_CHANNEL_LAYOUT_AMBISONIC_FIRST_ORDER \ #define AV_CHANNEL_LAYOUT_AMBISONIC_FIRST_ORDER \
{ .order = AV_CHANNEL_ORDER_AMBISONIC, .nb_channels = 4, .u = { .mask = 0 }} { .order = AV_CHANNEL_ORDER_AMBISONIC, .nb_channels = 4, .u = { .mask = 0 }}
/** @} */
struct AVBPrint; struct AVBPrint;