/*****************************************************************************
 * mpeg4.h: MPEG4 ISO-14496-1 definitions
 *****************************************************************************
 * Copyright (C) 2001-2019 VLC authors, VideoLAN and VideoLabs
 *
 * 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.
 *****************************************************************************/
#ifndef MP4_MPEG4_H
#define MP4_MPEG4_H

#include <vlc_codec.h>
#include "../../packetizer/dts_header.h"

static inline bool MPEG4_Codec_By_ObjectType(uint8_t oti,
                                              const uint8_t *p_dsi,
                                              size_t i_dsi,
                                              vlc_fourcc_t *pi_codec,
                                              int *pi_profile)
{
    /* See 14496-1 and http://mp4ra.org/#/object_types */
    switch(oti)
    {
        case 0x20: /* MPEG4 VIDEO */
            *pi_codec = VLC_CODEC_MP4V;
            break;
        case 0x21: /* H.264 */
            *pi_codec = VLC_CODEC_H264;
            break;
        case 0x40:
        case 0x41:
            *pi_codec = VLC_CODEC_MP4A;
            if(i_dsi >= 2 && p_dsi[0] == 0xF8 && (p_dsi[1]&0xE0)== 0x80)
                *pi_codec = VLC_CODEC_ALS;
            break;
        case 0x60:
        case 0x61:
        case 0x62:
        case 0x63:
        case 0x64:
        case 0x65: /* MPEG2 video */
            *pi_codec = VLC_CODEC_MPGV;
            break;
            /* Theses are MPEG2-AAC */
        case 0x66: /* main profile */
        case 0x67: /* Low complexity profile */
        case 0x68: /* Scalable Sampling rate profile */
            *pi_codec = VLC_CODEC_MP4A;
            break;
            /* True MPEG 2 audio */
        case 0x69:
            *pi_codec = VLC_CODEC_MPGA;
            break;
        case 0x6a: /* MPEG1 video */
            *pi_codec = VLC_CODEC_MPGV;
            break;
        case 0x6b: /* MPEG1 audio */
            *pi_codec = VLC_CODEC_MPGA;
            break;
        case 0x6c: /* jpeg */
            *pi_codec = VLC_CODEC_JPEG;
            break;
        case 0x6d: /* png */
            *pi_codec = VLC_CODEC_PNG;
            break;
        case 0x6e: /* jpeg2000 */
            *pi_codec = VLC_FOURCC('M','J','2','C');
            break;
        case 0xa3: /* vc1 */
            *pi_codec = VLC_CODEC_VC1;
            break;
        case 0xa4:
            *pi_codec = VLC_CODEC_DIRAC;
            break;
        case 0xa5:
            *pi_codec = VLC_CODEC_A52;
            break;
        case 0xa6:
            *pi_codec = VLC_CODEC_EAC3;
            break;
        case 0xa9: /* dts */
            *pi_codec = VLC_CODEC_DTS;
            break;
        case 0xaa: /* DTS-HD HRA */
        case 0xab: /* DTS-HD Master Audio */
            *pi_profile = PROFILE_DTS_HD;
            *pi_codec = VLC_CODEC_DTS;
            break;
        case 0xac: /* Extension Substream containing only LBR */
            *pi_profile = PROFILE_DTS_EXPRESS;
            *pi_codec = VLC_CODEC_DTS;
            break;
        case 0xad:
            *pi_codec = VLC_CODEC_OPUS;
            break;
        case 0xDD:
            *pi_codec = VLC_CODEC_VORBIS;
            break;
        default:
            return false;
    }
    return true;
}

#endif
