xref: /third_party/ffmpeg/libavcodec/aacdectab.h (revision cabdff1a)
1/*
2 * AAC decoder data
3 * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
4 * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23/**
24 * @file
25 * AAC decoder data
26 * @author Oded Shimon  ( ods15 ods15 dyndns org )
27 * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
28 */
29
30#ifndef AVCODEC_AACDECTAB_H
31#define AVCODEC_AACDECTAB_H
32
33#include "libavutil/channel_layout.h"
34#include "aac.h"
35
36#include <stdint.h>
37
38static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 5, 5, 16, 5, 0 };
39
40static const uint8_t aac_channel_layout_map[16][16][3] = {
41    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, },
42    { { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
43    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
44    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, },
45    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, },
46    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
47    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_FRONT }, { TYPE_CPE, 2, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
48    { { 0, } },
49    { { 0, } },
50    { { 0, } },
51    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
52    { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_SIDE }, { TYPE_CPE, 2, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
53    {
54      { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, // SCE1 = FC,
55      { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, // CPE1 = FLc and FRc,
56      { TYPE_CPE, 1, AAC_CHANNEL_FRONT }, // CPE2 = FL and FR,
57      { TYPE_CPE, 2, AAC_CHANNEL_SIDE  }, // CPE3 = SiL and SiR,
58      { TYPE_CPE, 3, AAC_CHANNEL_BACK  }, // CPE4 = BL and BR,
59      { TYPE_SCE, 1, AAC_CHANNEL_BACK  }, // SCE2 = BC,
60      { TYPE_LFE, 0, AAC_CHANNEL_LFE   }, // LFE1 = LFE1,
61      { TYPE_LFE, 1, AAC_CHANNEL_LFE   }, // LFE2 = LFE2,
62      { TYPE_SCE, 2, AAC_CHANNEL_FRONT }, // SCE3 = TpFC,
63      { TYPE_CPE, 4, AAC_CHANNEL_FRONT }, // CPE5 = TpFL and TpFR,
64      { TYPE_CPE, 5, AAC_CHANNEL_SIDE  }, // CPE6 = TpSiL and TpSiR,
65      { TYPE_SCE, 3, AAC_CHANNEL_FRONT }, // SCE4 = TpC,
66      { TYPE_CPE, 6, AAC_CHANNEL_BACK  }, // CPE7 = TpBL and TpBR,
67      { TYPE_SCE, 4, AAC_CHANNEL_BACK  }, // SCE5 = TpBC,
68      { TYPE_SCE, 5, AAC_CHANNEL_FRONT }, // SCE6 = BtFC,
69      { TYPE_CPE, 7, AAC_CHANNEL_FRONT }, // CPE8 = BtFL and BtFR
70    },
71    { { 0, } },
72    /* TODO: Add 7+1 TOP configuration */
73};
74
75#if FF_API_OLD_CHANNEL_LAYOUT
76static const uint64_t aac_channel_layout[16] = {
77    AV_CH_LAYOUT_MONO,
78    AV_CH_LAYOUT_STEREO,
79    AV_CH_LAYOUT_SURROUND,
80    AV_CH_LAYOUT_4POINT0,
81    AV_CH_LAYOUT_5POINT0_BACK,
82    AV_CH_LAYOUT_5POINT1_BACK,
83    AV_CH_LAYOUT_7POINT1_WIDE_BACK,
84    0,
85    0,
86    0,
87    AV_CH_LAYOUT_6POINT1_BACK,
88    AV_CH_LAYOUT_7POINT1,
89    AV_CH_LAYOUT_22POINT2,
90    0,
91    /* AV_CH_LAYOUT_7POINT1_TOP, */
92};
93#endif
94
95static const AVChannelLayout aac_ch_layout[16] = {
96    AV_CHANNEL_LAYOUT_MONO,
97    AV_CHANNEL_LAYOUT_STEREO,
98    AV_CHANNEL_LAYOUT_SURROUND,
99    AV_CHANNEL_LAYOUT_4POINT0,
100    AV_CHANNEL_LAYOUT_5POINT0_BACK,
101    AV_CHANNEL_LAYOUT_5POINT1_BACK,
102    AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK,
103    { 0 },
104    { 0 },
105    { 0 },
106    AV_CHANNEL_LAYOUT_6POINT1_BACK,
107    AV_CHANNEL_LAYOUT_7POINT1,
108    AV_CHANNEL_LAYOUT_22POINT2,
109    { 0 },
110    /* AV_CHANNEL_LAYOUT_7POINT1_TOP, */
111};
112
113#endif /* AVCODEC_AACDECTAB_H */
114