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 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 }; 39 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 }, }, 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 static const uint64_t aac_channel_layout[16] = { 76 AV_CH_LAYOUT_MONO, 77 AV_CH_LAYOUT_STEREO, 78 AV_CH_LAYOUT_SURROUND, 79 AV_CH_LAYOUT_4POINT0, 80 AV_CH_LAYOUT_5POINT0_BACK, 81 AV_CH_LAYOUT_5POINT1_BACK, 82 AV_CH_LAYOUT_7POINT1_WIDE_BACK, 83 0, 84 0, 85 0, 86 AV_CH_LAYOUT_6POINT1, 87 AV_CH_LAYOUT_7POINT1, 88 AV_CH_LAYOUT_22POINT2, 89 0, 90 /* AV_CH_LAYOUT_7POINT1_TOP, */ 91 }; 92 93 #endif /* AVCODEC_AACDECTAB_H */ 94