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avutil/channel_layout: add Binaural channels and layout

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Signed-off-by: James Almer <jamrial@gmail.com>
pull/391/head
James Almer 5 months ago
parent 18883fbcab
commit 20af68b63a
6 changed files with 19 additions and 1 deletions
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  1. 5
      doc/APIchanges
  2. 2
      doc/utils.texi
  3. 3
      libavutil/channel_layout.c
  4. 7
      libavutil/channel_layout.h
  5. 2
      libavutil/version.h
  6. 1
      tests/ref/fate/channel_layout

5
doc/APIchanges
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@ -2,6 +2,11 @@ The last version increases of all libraries were on 2024-03-07
API changes, most recent first:
2024-11-13 - xxxxxxxxxx - lavu 59.47.100 - channel_layout.h
Add AV_CHAN_BINAURAL_LEFT, AV_CHAN_BINAURAL_RIGHT
Add AV_CH_BINAURAL_LEFT, AV_CH_BINAURAL_RIGHT
Add AV_CH_LAYOUT_BINAURAL, AV_CHANNEL_LAYOUT_BINAURAL
2024-10-26 - xxxxxxxxxx - lavu 59.46.100 - pixfmt.h
Add AV_PIX_FMT_XV48.

2
doc/utils.texi
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@ -733,6 +733,8 @@ FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBC+LFE2
FL+FR+FC+LFE+BL+BR+FLC+FRC+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 binaural
BIL+BIR
@item downmix
DL+DR
@item 22.2

3
libavutil/channel_layout.c
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@ -79,6 +79,8 @@ static const struct channel_name channel_names[] = {
[AV_CHAN_SIDE_SURROUND_RIGHT ] = { "SSR", "side surround right" },
[AV_CHAN_TOP_SURROUND_LEFT ] = { "TTL", "top surround left" },
[AV_CHAN_TOP_SURROUND_RIGHT ] = { "TTR", "top surround right" },
[AV_CHAN_BINAURAL_LEFT ] = { "BIL", "binaural left" },
[AV_CHAN_BINAURAL_RIGHT ] = { "BIR", "binaural right" },
};
void av_channel_name_bprint(AVBPrint *bp, enum AVChannel channel_id)
@ -220,6 +222,7 @@ static const struct channel_layout_name channel_layout_map[] = {
{ "7.2.3", AV_CHANNEL_LAYOUT_7POINT2POINT3 },
{ "9.1.4", AV_CHANNEL_LAYOUT_9POINT1POINT4_BACK },
{ "hexadecagonal", AV_CHANNEL_LAYOUT_HEXADECAGONAL },
{ "binaural", AV_CHANNEL_LAYOUT_BINAURAL },
{ "downmix", AV_CHANNEL_LAYOUT_STEREO_DOWNMIX, },
{ "22.2", AV_CHANNEL_LAYOUT_22POINT2, },
};

7
libavutil/channel_layout.h
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@ -84,6 +84,9 @@ enum AVChannel {
AV_CHAN_TOP_SURROUND_LEFT, ///< +110 degrees, Lvs, TpLS
AV_CHAN_TOP_SURROUND_RIGHT, ///< -110 degrees, Rvs, TpRS
AV_CHAN_BINAURAL_LEFT = 61,
AV_CHAN_BINAURAL_RIGHT,
/** Channel is empty can be safely skipped. */
AV_CHAN_UNUSED = 0x200,
@ -203,6 +206,8 @@ enum AVChannelOrder {
#define AV_CH_SIDE_SURROUND_RIGHT (1ULL << AV_CHAN_SIDE_SURROUND_RIGHT )
#define AV_CH_TOP_SURROUND_LEFT (1ULL << AV_CHAN_TOP_SURROUND_LEFT )
#define AV_CH_TOP_SURROUND_RIGHT (1ULL << AV_CHAN_TOP_SURROUND_RIGHT )
#define AV_CH_BINAURAL_LEFT (1ULL << AV_CHAN_BINAURAL_LEFT )
#define AV_CH_BINAURAL_RIGHT (1ULL << AV_CHAN_BINAURAL_RIGHT )
/**
* @}
@ -244,6 +249,7 @@ enum AVChannelOrder {
#define AV_CH_LAYOUT_7POINT2POINT3 (AV_CH_LAYOUT_7POINT1POINT2|AV_CH_TOP_BACK_CENTER|AV_CH_LOW_FREQUENCY_2)
#define AV_CH_LAYOUT_9POINT1POINT4_BACK (AV_CH_LAYOUT_7POINT1POINT4_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
#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_BINAURAL (AV_CH_BINAURAL_LEFT|AV_CH_BINAURAL_RIGHT)
#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
#define AV_CH_LAYOUT_22POINT2 (AV_CH_LAYOUT_7POINT1POINT4_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER|AV_CH_BACK_CENTER|AV_CH_LOW_FREQUENCY_2|AV_CH_TOP_FRONT_CENTER|AV_CH_TOP_CENTER|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)
@ -418,6 +424,7 @@ typedef struct AVChannelLayout {
#define AV_CHANNEL_LAYOUT_7POINT2POINT3 AV_CHANNEL_LAYOUT_MASK(12, AV_CH_LAYOUT_7POINT2POINT3)
#define AV_CHANNEL_LAYOUT_9POINT1POINT4_BACK AV_CHANNEL_LAYOUT_MASK(14, AV_CH_LAYOUT_9POINT1POINT4_BACK)
#define AV_CHANNEL_LAYOUT_HEXADECAGONAL AV_CHANNEL_LAYOUT_MASK(16, AV_CH_LAYOUT_HEXADECAGONAL)
#define AV_CHANNEL_LAYOUT_BINAURAL AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_BINAURAL)
#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)

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 59
#define LIBAVUTIL_VERSION_MINOR 46
#define LIBAVUTIL_VERSION_MINOR 47
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

1
tests/ref/fate/channel_layout
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@ -34,6 +34,7 @@ cube FL+FR+BL+BR+TFL+TFR+TBL+TBR
7.2.3 FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBC+LFE2
9.1.4 FL+FR+FC+LFE+BL+BR+FLC+FRC+SL+SR+TFL+TFR+TBL+TBR
hexadecagonal FL+FR+FC+BL+BR+BC+SL+SR+TFL+TFC+TFR+TBL+TBC+TBR+WL+WR
binaural BIL+BIR
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

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