yading@11: /*
yading@11:  * MPEG1/2 muxer and demuxer common defines
yading@11:  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #ifndef AVFORMAT_MPEG_H
yading@11: #define AVFORMAT_MPEG_H
yading@11: 
yading@11: #include <stdint.h>
yading@11: #include "libavutil/intreadwrite.h"
yading@11: 
yading@11: #define PACK_START_CODE             ((unsigned int)0x000001ba)
yading@11: #define SYSTEM_HEADER_START_CODE    ((unsigned int)0x000001bb)
yading@11: #define SEQUENCE_END_CODE           ((unsigned int)0x000001b7)
yading@11: #define PACKET_START_CODE_MASK      ((unsigned int)0xffffff00)
yading@11: #define PACKET_START_CODE_PREFIX    ((unsigned int)0x00000100)
yading@11: #define ISO_11172_END_CODE          ((unsigned int)0x000001b9)
yading@11: 
yading@11: /* mpeg2 */
yading@11: #define PROGRAM_STREAM_MAP 0x1bc
yading@11: #define PRIVATE_STREAM_1   0x1bd
yading@11: #define PADDING_STREAM     0x1be
yading@11: #define PRIVATE_STREAM_2   0x1bf
yading@11: 
yading@11: #define AUDIO_ID 0xc0
yading@11: #define VIDEO_ID 0xe0
yading@11: #define AC3_ID   0x80
yading@11: #define DTS_ID   0x8a
yading@11: #define LPCM_ID  0xa0
yading@11: #define SUB_ID   0x20
yading@11: 
yading@11: #define STREAM_TYPE_VIDEO_MPEG1     0x01
yading@11: #define STREAM_TYPE_VIDEO_MPEG2     0x02
yading@11: #define STREAM_TYPE_AUDIO_MPEG1     0x03
yading@11: #define STREAM_TYPE_AUDIO_MPEG2     0x04
yading@11: #define STREAM_TYPE_PRIVATE_SECTION 0x05
yading@11: #define STREAM_TYPE_PRIVATE_DATA    0x06
yading@11: #define STREAM_TYPE_AUDIO_AAC       0x0f
yading@11: #define STREAM_TYPE_VIDEO_MPEG4     0x10
yading@11: #define STREAM_TYPE_VIDEO_H264      0x1b
yading@11: #define STREAM_TYPE_VIDEO_CAVS      0x42
yading@11: 
yading@11: #define STREAM_TYPE_AUDIO_AC3       0x81
yading@11: #define STREAM_TYPE_AUDIO_DTS       0x8a
yading@11: 
yading@11: static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };
yading@11: 
yading@11: /**
yading@11:  * Parse MPEG-PES five-byte timestamp
yading@11:  */
yading@11: static inline int64_t ff_parse_pes_pts(const uint8_t *buf) {
yading@11:     return (int64_t)(*buf & 0x0e) << 29 |
yading@11:             (AV_RB16(buf+1) >> 1) << 15 |
yading@11:              AV_RB16(buf+3) >> 1;
yading@11: }
yading@11: 
yading@11: #endif /* AVFORMAT_MPEG_H */