/*****************************************************************************
 * mpeg4audio.h: MPEG 4 audio definitions
 *****************************************************************************
 * Copyright (C) 2001-2017 VLC authors and VideoLAN
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/
enum
{
    AOT_AAC_MAIN =   1,
    AOT_AAC_LC,
    AOT_AAC_SSR,
    AOT_AAC_LTP,
    AOT_AAC_SBR,
    AOT_AAC_SC,
    AOT_ER_AAC_LC  = 17,
    AOT_ER_AAC_LTP = 19,
    AOT_ER_AAC_SC  = 20,
    AOT_ER_AAC_LD  = 23,
    AOT_AAC_PS     = 29,
    AOT_ER_AAC_ELD = 39,
};

enum
{
    AAC_PROFILE_MAIN = AOT_AAC_MAIN - 1,
    AAC_PROFILE_LC,
    AAC_PROFILE_SSR,
    AAC_PROFILE_LTP,
    AAC_PROFILE_HE,
    AAC_PROFILE_LD   = AOT_ER_AAC_LD - 1,
    AAC_PROFILE_HEv2 = AOT_AAC_PS - 1,
    AAC_PROFILE_ELD  = AOT_ER_AAC_ELD - 1,
    /* Similar shift signaling as avcodec, as signaling should have been
       done in ADTS header. Values defaults to MPEG4 */
    AAC_PROFILE_MPEG2_LC = AAC_PROFILE_LC + 128,
    AAC_PROFILE_MPEG2_HE = AAC_PROFILE_HE + 128,
};

#define MPEG4_ASC_MAX_INDEXEDPOS 9

static const uint32_t mpeg4_asc_channelsbyindex[MPEG4_ASC_MAX_INDEXEDPOS] =
{
    0, /* Set later */

    AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_LFE,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
    AOUT_CHAN_CENTER,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
    AOUT_CHAN_CENTER | AOUT_CHAN_LFE,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT |
    AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
    AOUT_CHAN_CENTER,

    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT |
    AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
    AOUT_CHAN_CENTER | AOUT_CHAN_LFE
};