FFmpeg
libavcodec
alac_data.c
Go to the documentation of this file.
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/*
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* ALAC encoder and decoder common data
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavutil/channel_layout.h
"
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#include "
alac_data.h
"
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const
uint8_t
ff_alac_channel_layout_offsets
[
ALAC_MAX_CHANNELS
][
ALAC_MAX_CHANNELS
] = {
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{ 0 },
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{ 0, 1 },
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{ 2, 0, 1 },
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{ 2, 0, 1, 3 },
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{ 2, 0, 1, 3, 4 },
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{ 2, 0, 1, 4, 5, 3 },
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{ 2, 0, 1, 4, 5, 6, 3 },
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{ 2, 6, 7, 0, 1, 4, 5, 3 }
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};
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const
AVChannelLayout
ff_alac_ch_layouts
[
ALAC_MAX_CHANNELS
+ 1] = {
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AV_CHANNEL_LAYOUT_MONO
,
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AV_CHANNEL_LAYOUT_STEREO
,
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AV_CHANNEL_LAYOUT_SURROUND
,
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AV_CHANNEL_LAYOUT_4POINT0
,
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AV_CHANNEL_LAYOUT_5POINT0_BACK
,
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AV_CHANNEL_LAYOUT_5POINT1_BACK
,
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AV_CHANNEL_LAYOUT_6POINT1_BACK
,
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AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
,
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{ 0 }
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};
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const
enum
AlacRawDataBlockType
ff_alac_channel_elements
[
ALAC_MAX_CHANNELS
][5] = {
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{
TYPE_SCE
, },
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{
TYPE_CPE
, },
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{
TYPE_SCE
,
TYPE_CPE
, },
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{
TYPE_SCE
,
TYPE_CPE
,
TYPE_SCE
},
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{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
, },
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{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
, },
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{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
,
TYPE_SCE
, },
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{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
, },
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};
alac_data.h
AV_CHANNEL_LAYOUT_STEREO
#define AV_CHANNEL_LAYOUT_STEREO
Definition:
channel_layout.h:394
TYPE_CPE
@ TYPE_CPE
Definition:
aac.h:41
AV_CHANNEL_LAYOUT_SURROUND
#define AV_CHANNEL_LAYOUT_SURROUND
Definition:
channel_layout.h:397
AV_CHANNEL_LAYOUT_4POINT0
#define AV_CHANNEL_LAYOUT_4POINT0
Definition:
channel_layout.h:399
AV_CHANNEL_LAYOUT_5POINT0_BACK
#define AV_CHANNEL_LAYOUT_5POINT0_BACK
Definition:
channel_layout.h:405
AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
#define AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
Definition:
channel_layout.h:418
ff_alac_channel_elements
enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]
Definition:
alac_data.c:47
AVChannelLayout
An AVChannelLayout holds information about the channel layout of audio data.
Definition:
channel_layout.h:318
ALAC_MAX_CHANNELS
#define ALAC_MAX_CHANNELS
Definition:
alac_data.h:40
AV_CHANNEL_LAYOUT_6POINT1_BACK
#define AV_CHANNEL_LAYOUT_6POINT1_BACK
Definition:
channel_layout.h:412
ff_alac_channel_layout_offsets
const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]
Definition:
alac_data.c:24
ff_alac_ch_layouts
const AVChannelLayout ff_alac_ch_layouts[ALAC_MAX_CHANNELS+1]
Definition:
alac_data.c:35
TYPE_SCE
@ TYPE_SCE
Definition:
aac.h:40
channel_layout.h
AlacRawDataBlockType
AlacRawDataBlockType
Definition:
alac_data.h:28
AV_CHANNEL_LAYOUT_MONO
#define AV_CHANNEL_LAYOUT_MONO
Definition:
channel_layout.h:393
AV_CHANNEL_LAYOUT_5POINT1_BACK
#define AV_CHANNEL_LAYOUT_5POINT1_BACK
Definition:
channel_layout.h:406
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