FFmpeg
libavcodec
alac_data.c
Go to the documentation of this file.
1
/*
2
* ALAC encoder and decoder common data
3
*
4
* This file is part of FFmpeg.
5
*
6
* FFmpeg is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU Lesser General Public
8
* License as published by the Free Software Foundation; either
9
* version 2.1 of the License, or (at your option) any later version.
10
*
11
* FFmpeg is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
* Lesser General Public License for more details.
15
*
16
* You should have received a copy of the GNU Lesser General Public
17
* License along with FFmpeg; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
*/
20
21
#include "
libavutil/channel_layout.h
"
22
#include "
alac_data.h
"
23
24
const
uint8_t
ff_alac_channel_layout_offsets
[
ALAC_MAX_CHANNELS
][
ALAC_MAX_CHANNELS
] = {
25
{ 0 },
26
{ 0, 1 },
27
{ 2, 0, 1 },
28
{ 2, 0, 1, 3 },
29
{ 2, 0, 1, 3, 4 },
30
{ 2, 0, 1, 4, 5, 3 },
31
{ 2, 0, 1, 4, 5, 6, 3 },
32
{ 2, 6, 7, 0, 1, 4, 5, 3 }
33
};
34
35
const
AVChannelLayout
ff_alac_ch_layouts
[
ALAC_MAX_CHANNELS
+ 1] = {
36
AV_CHANNEL_LAYOUT_MONO
,
37
AV_CHANNEL_LAYOUT_STEREO
,
38
AV_CHANNEL_LAYOUT_SURROUND
,
39
AV_CHANNEL_LAYOUT_4POINT0
,
40
AV_CHANNEL_LAYOUT_5POINT0_BACK
,
41
AV_CHANNEL_LAYOUT_5POINT1_BACK
,
42
AV_CHANNEL_LAYOUT_6POINT1_BACK
,
43
AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
,
44
{ 0 }
45
};
46
47
const
enum
AlacRawDataBlockType
ff_alac_channel_elements
[
ALAC_MAX_CHANNELS
][5] = {
48
{
TYPE_SCE
, },
49
{
TYPE_CPE
, },
50
{
TYPE_SCE
,
TYPE_CPE
, },
51
{
TYPE_SCE
,
TYPE_CPE
,
TYPE_SCE
},
52
{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
, },
53
{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
, },
54
{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
,
TYPE_SCE
, },
55
{
TYPE_SCE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_CPE
,
TYPE_SCE
, },
56
};
alac_data.h
AV_CHANNEL_LAYOUT_STEREO
#define AV_CHANNEL_LAYOUT_STEREO
Definition:
channel_layout.h:393
TYPE_CPE
@ TYPE_CPE
Definition:
aac.h:41
AV_CHANNEL_LAYOUT_SURROUND
#define AV_CHANNEL_LAYOUT_SURROUND
Definition:
channel_layout.h:396
AV_CHANNEL_LAYOUT_4POINT0
#define AV_CHANNEL_LAYOUT_4POINT0
Definition:
channel_layout.h:398
AV_CHANNEL_LAYOUT_5POINT0_BACK
#define AV_CHANNEL_LAYOUT_5POINT0_BACK
Definition:
channel_layout.h:404
AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
#define AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK
Definition:
channel_layout.h:417
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:317
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:411
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:392
AV_CHANNEL_LAYOUT_5POINT1_BACK
#define AV_CHANNEL_LAYOUT_5POINT1_BACK
Definition:
channel_layout.h:405
Generated on Sun Dec 1 2024 19:21:23 for FFmpeg by
1.8.17