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  • /*
     * AAC decoder data
     * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
     * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
     *
     * This file is part of FFmpeg.
     *
     * FFmpeg is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     *
     * FFmpeg is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     *
     * You should have received a copy of the GNU Lesser General Public
     * License along with FFmpeg; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     */
    
    /**
    
     * AAC decoder data
     * @author Oded Shimon  ( ods15 ods15 dyndns org )
     * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
     */
    
    
    #ifndef AVCODEC_AACDECTAB_H
    #define AVCODEC_AACDECTAB_H
    
    #include "libavutil/channel_layout.h"
    
    static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 4, 5, 0, 5, 0 };
    
    static const uint8_t aac_channel_layout_map[16][5][3] = {
    
        { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, },
        { { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
    
        { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
        { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, },
        { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, },
        { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
        { { 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  }, },
    
        { { 0, } },
        { { 0, } },
        { { 0, } },
        { { 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  }, },
        { { 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  }, },
        { { 0, } },
        /* TODO: Add 7+1 TOP configuration */
    
    static const uint64_t aac_channel_layout[16] = {
    
        AV_CH_LAYOUT_MONO,
        AV_CH_LAYOUT_STEREO,
        AV_CH_LAYOUT_SURROUND,
        AV_CH_LAYOUT_4POINT0,
        AV_CH_LAYOUT_5POINT0_BACK,
        AV_CH_LAYOUT_5POINT1_BACK,
    
        AV_CH_LAYOUT_7POINT1_WIDE_BACK,
    
        0,
        0,
        AV_CH_LAYOUT_6POINT1,
        AV_CH_LAYOUT_7POINT1,
        0,
        /* AV_CH_LAYOUT_7POINT1_TOP, */
    
    #endif /* AVCODEC_AACDECTAB_H */