3 * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
4 * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
6 * This file is part of FFmpeg.
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.
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.
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
26 * @author Oded Shimon ( ods15 ods15 dyndns org )
27 * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
30 #ifndef AVCODEC_AACDECTAB_H
31 #define AVCODEC_AACDECTAB_H
33 #include "libavutil/channel_layout.h"
38 static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 4, 5, 16, 5, 0 };
40 static 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 }, },
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 }, },
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
72 /* TODO: Add 7+1 TOP configuration */
75 static const uint64_t aac_channel_layout[16] = {
78 AV_CH_LAYOUT_SURROUND,
80 AV_CH_LAYOUT_5POINT0_BACK,
81 AV_CH_LAYOUT_5POINT1_BACK,
82 AV_CH_LAYOUT_7POINT1_WIDE_BACK,
88 AV_CH_LAYOUT_22POINT2,
90 /* AV_CH_LAYOUT_7POINT1_TOP, */
93 #endif /* AVCODEC_AACDECTAB_H */