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avutil/channel_layout: add a 7.1.4 channel layout

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Mapping to ITU-R BS.2051-3 "Sound System J" and ITU-R BS.1196-8 "Channel
Configuration 19".

Signed-off-by: Will Wolcott <wwolcott@netflix.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Will Wolcott 2023-10-18 12:19:40 -07:00 • committed by James Almer
parent a41c4b923d
commit e9397ae054
4 changed files with 6 additions and 0 deletions
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2
doc/utils.texi
View file

@ -723,6 +723,8 @@ FL+FR+BL+BR+TFL+TFR+TBL+TBR
FL+FR+FC+LFE+BL+BR+TFL+TFR+TBL+TBR
@item 7.1.2
FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR
@item 7.1.4
FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBL+TBR
@item hexadecagonal
FL+FR+FC+BL+BR+BC+SL+SR+WL+WR+TBL+TBR+TBC+TFC+TFL+TFR
@item downmix

1
libavutil/channel_layout.c
View file

@ -205,6 +205,7 @@ static const struct channel_layout_name channel_layout_map[] = {
{ "cube", AV_CHANNEL_LAYOUT_CUBE },
{ "5.1.4", AV_CHANNEL_LAYOUT_5POINT1POINT4_BACK },
{ "7.1.2", AV_CHANNEL_LAYOUT_7POINT1POINT2 },
{ "7.1.4", AV_CHANNEL_LAYOUT_7POINT1POINT4_BACK },
{ "hexadecagonal", AV_CHANNEL_LAYOUT_HEXADECAGONAL },
{ "downmix", AV_CHANNEL_LAYOUT_STEREO_DOWNMIX, },
{ "22.2", AV_CHANNEL_LAYOUT_22POINT2, },

2
libavutil/channel_layout.h
View file

@ -237,6 +237,7 @@ enum AVChannelOrder {
#define AV_CH_LAYOUT_CUBE (AV_CH_LAYOUT_QUAD|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT)
#define AV_CH_LAYOUT_5POINT1POINT4_BACK (AV_CH_LAYOUT_5POINT1POINT2_BACK|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT)
#define AV_CH_LAYOUT_7POINT1POINT2 (AV_CH_LAYOUT_7POINT1|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT)
#define AV_CH_LAYOUT_7POINT1POINT4_BACK (AV_CH_LAYOUT_7POINT1POINT2|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT)
#define AV_CH_LAYOUT_HEXADECAGONAL (AV_CH_LAYOUT_OCTAGONAL|AV_CH_WIDE_LEFT|AV_CH_WIDE_RIGHT|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT|AV_CH_TOP_BACK_CENTER|AV_CH_TOP_FRONT_CENTER|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT)
#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
#define AV_CH_LAYOUT_22POINT2 (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER|AV_CH_BACK_CENTER|AV_CH_LOW_FREQUENCY_2|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT|AV_CH_TOP_FRONT_CENTER|AV_CH_TOP_CENTER|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT|AV_CH_TOP_SIDE_LEFT|AV_CH_TOP_SIDE_RIGHT|AV_CH_TOP_BACK_CENTER|AV_CH_BOTTOM_FRONT_CENTER|AV_CH_BOTTOM_FRONT_LEFT|AV_CH_BOTTOM_FRONT_RIGHT)
@ -407,6 +408,7 @@ typedef struct AVChannelLayout {
#define AV_CHANNEL_LAYOUT_CUBE AV_CHANNEL_LAYOUT_MASK(8, AV_CH_LAYOUT_CUBE)
#define AV_CHANNEL_LAYOUT_5POINT1POINT4_BACK AV_CHANNEL_LAYOUT_MASK(10, AV_CH_LAYOUT_5POINT1POINT4_BACK)
#define AV_CHANNEL_LAYOUT_7POINT1POINT2 AV_CHANNEL_LAYOUT_MASK(10, AV_CH_LAYOUT_7POINT1POINT2)
#define AV_CHANNEL_LAYOUT_7POINT1POINT4_BACK AV_CHANNEL_LAYOUT_MASK(12, AV_CH_LAYOUT_7POINT1POINT4_BACK)
#define AV_CHANNEL_LAYOUT_HEXADECAGONAL AV_CHANNEL_LAYOUT_MASK(16, AV_CH_LAYOUT_HEXADECAGONAL)
#define AV_CHANNEL_LAYOUT_STEREO_DOWNMIX AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_STEREO_DOWNMIX)
#define AV_CHANNEL_LAYOUT_22POINT2 AV_CHANNEL_LAYOUT_MASK(24, AV_CH_LAYOUT_22POINT2)

1
tests/ref/fate/channel_layout
View file

@ -29,6 +29,7 @@ octagonal FL+FR+FC+BL+BR+BC+SL+SR
cube FL+FR+BL+BR+TFL+TFR+TBL+TBR
5.1.4 FL+FR+FC+LFE+BL+BR+TFL+TFR+TBL+TBR
7.1.2 FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR
7.1.4 FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBL+TBR
hexadecagonal FL+FR+FC+BL+BR+BC+SL+SR+TFL+TFC+TFR+TBL+TBC+TBR+WL+WR
downmix DL+DR
22.2 FL+FR+FC+LFE+BL+BR+FLC+FRC+BC+SL+SR+TC+TFL+TFC+TFR+TBL+TBC+TBR+LFE2+TSL+TSR+BFC+BFL+BFR