From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/2] avutil/channel_layout: add a 7.2.3 channel layout
Date: Fri, 3 Nov 2023 13:30:19 -0300
Message-ID: <20231103163020.2113-1-jamrial@gmail.com> (raw)
Mapping to ITU-R BS.2051-3 "Sound System F" and ITU-R BS.1196-8 "Channel
Configuration 15".
Signed-off-by: James Almer <jamrial@gmail.com>
---
doc/utils.texi | 2 ++
libavutil/channel_layout.c | 1 +
libavutil/channel_layout.h | 2 ++
tests/ref/fate/channel_layout | 1 +
4 files changed, 6 insertions(+)
diff --git a/doc/utils.texi b/doc/utils.texi
index 940d5381e3..0be20643de 100644
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -727,6 +727,8 @@ FL+FR+FC+LFE+BL+BR+TFL+TFR+TBL+TBR
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 7.2.3
+FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBC+LFE2
@item hexadecagonal
FL+FR+FC+BL+BR+BC+SL+SR+WL+WR+TBL+TBR+TBC+TFC+TFL+TFR
@item downmix
diff --git a/libavutil/channel_layout.c b/libavutil/channel_layout.c
index 1a36736b7f..acafdcc5e1 100644
--- a/libavutil/channel_layout.c
+++ b/libavutil/channel_layout.c
@@ -207,6 +207,7 @@ static const struct channel_layout_name channel_layout_map[] = {
{ "5.1.4", AV_CHANNEL_LAYOUT_5POINT1POINT4_BACK },
{ "7.1.2", AV_CHANNEL_LAYOUT_7POINT1POINT2 },
{ "7.1.4", AV_CHANNEL_LAYOUT_7POINT1POINT4_BACK },
+ { "7.2.3", AV_CHANNEL_LAYOUT_7POINT2POINT3 },
{ "hexadecagonal", AV_CHANNEL_LAYOUT_HEXADECAGONAL },
{ "downmix", AV_CHANNEL_LAYOUT_STEREO_DOWNMIX, },
{ "22.2", AV_CHANNEL_LAYOUT_22POINT2, },
diff --git a/libavutil/channel_layout.h b/libavutil/channel_layout.h
index c9c404ef18..052bf51c26 100644
--- a/libavutil/channel_layout.h
+++ b/libavutil/channel_layout.h
@@ -239,6 +239,7 @@ enum AVChannelOrder {
#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_7POINT2POINT3 (AV_CH_LAYOUT_7POINT1POINT2|AV_CH_TOP_BACK_CENTER|AV_CH_LOW_FREQUENCY_2)
#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_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)
@@ -411,6 +412,7 @@ typedef struct AVChannelLayout {
#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_7POINT2POINT3 AV_CHANNEL_LAYOUT_MASK(12, AV_CH_LAYOUT_7POINT2POINT3)
#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)
diff --git a/tests/ref/fate/channel_layout b/tests/ref/fate/channel_layout
index ba01e7ae3f..b84a645e05 100644
--- a/tests/ref/fate/channel_layout
+++ b/tests/ref/fate/channel_layout
@@ -31,6 +31,7 @@ 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
+7.2.3 FL+FR+FC+LFE+BL+BR+SL+SR+TFL+TFR+TBC+LFE2
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
--
2.42.0
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next reply other threads:[~2023-11-03 16:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 16:30 James Almer [this message]
2023-11-03 16:30 ` [FFmpeg-devel] [PATCH 2/2] avutil/channel_layout: add a 9.1.4 " James Almer
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