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106 lines
3.6 KiB
106 lines
3.6 KiB
/*****************************************************************************
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* mpeg4audio.h: MPEG 4 audio definitions
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*****************************************************************************
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* Copyright (C) 2001-2017 VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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enum mpeg4_audioObjectType /* ISO/IEC 14496-3:2009 1.5.1 */
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{
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AOT_AAC_MAIN = 1,
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AOT_AAC_LC = 2,
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AOT_AAC_SSR = 3,
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AOT_AAC_LTP = 4,
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AOT_AAC_SBR = 5,
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AOT_AAC_SC = 6,
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AOT_TWINVQ = 7,
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AOT_CELP = 8,
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AOT_HVXC = 9,
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AOT_RESERVED10 = 10,
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AOT_RESERVED11 = 11,
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AOT_TTSI = 12,
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AOT_MAIN_SYNTHETIC = 13,
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AOT_WAVETABLES = 14,
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AOT_GENERAL_MIDI = 15,
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AOT_ALGORITHMIC = 16,
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AOT_ER_AAC_LC = 17,
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AOT_RESERVED18 = 18,
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AOT_ER_AAC_LTP = 19,
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AOT_ER_AAC_SC = 20,
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AOT_ER_TWINVQ = 21,
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AOT_ER_BSAC = 22,
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AOT_ER_AAC_LD = 23,
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AOT_ER_CELP = 24,
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AOT_ER_HXVC = 25,
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AOT_ER_HILN = 26,
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AOT_ER_Parametric = 27,
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AOT_SSC = 28,
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AOT_AAC_PS = 29,
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AOT_MPEG_SURROUND = 30,
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AOT_ESCAPE = 31,
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AOT_LAYER1 = 32,
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AOT_LAYER2 = 33,
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AOT_LAYER3 = 34,
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AOT_DST = 35,
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AOT_ALS = 36,
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AOT_SLS = 37,
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AOT_SLS_NON_CORE = 38,
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AOT_ER_AAC_ELD = 39,
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AOT_SMR_SIMPLE = 40,
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AOT_SMR_MAIN = 41,
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};
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enum
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{
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AAC_PROFILE_MAIN = AOT_AAC_MAIN - 1,
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AAC_PROFILE_LC,
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AAC_PROFILE_SSR,
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AAC_PROFILE_LTP,
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AAC_PROFILE_HE,
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AAC_PROFILE_LD = AOT_ER_AAC_LD - 1,
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AAC_PROFILE_HEv2 = AOT_AAC_PS - 1,
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AAC_PROFILE_ELD = AOT_ER_AAC_ELD - 1,
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/* Similar shift signaling as avcodec, as signaling should have been
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done in ADTS header. Values defaults to MPEG4 */
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AAC_PROFILE_MPEG2_LC = AAC_PROFILE_LC + 128,
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AAC_PROFILE_MPEG2_HE = AAC_PROFILE_HE + 128,
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};
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#define MPEG4_ASC_MAX_INDEXEDPOS 9
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static const uint32_t mpeg4_asc_channelsbyindex[MPEG4_ASC_MAX_INDEXEDPOS] =
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{
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0, /* Set later */
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AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_LFE,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
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AOUT_CHAN_CENTER,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
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AOUT_CHAN_CENTER | AOUT_CHAN_LFE,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT |
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AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
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AOUT_CHAN_CENTER,
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AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT |
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AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
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AOUT_CHAN_CENTER | AOUT_CHAN_LFE
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};
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