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FFmpeg/libavformat/mpeg.h
Carl Eugen Hoyos fe8e01361f Use 0x88 as stream id when muxing DTS in program streams.
This is what other open source software uses and what
some hardware players expect.
Tested by trac user iuqbgq9h-1 at yahoo
2013-09-10 01:48:59 +02:00

74 lines
2.4 KiB
C

/*
* MPEG1/2 muxer and demuxer common defines
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* 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
*/
#ifndef AVFORMAT_MPEG_H
#define AVFORMAT_MPEG_H
#include <stdint.h>
#include "libavutil/intreadwrite.h"
#define PACK_START_CODE ((unsigned int)0x000001ba)
#define SYSTEM_HEADER_START_CODE ((unsigned int)0x000001bb)
#define SEQUENCE_END_CODE ((unsigned int)0x000001b7)
#define PACKET_START_CODE_MASK ((unsigned int)0xffffff00)
#define PACKET_START_CODE_PREFIX ((unsigned int)0x00000100)
#define ISO_11172_END_CODE ((unsigned int)0x000001b9)
/* mpeg2 */
#define PROGRAM_STREAM_MAP 0x1bc
#define PRIVATE_STREAM_1 0x1bd
#define PADDING_STREAM 0x1be
#define PRIVATE_STREAM_2 0x1bf
#define AUDIO_ID 0xc0
#define VIDEO_ID 0xe0
#define AC3_ID 0x80
#define DTS_ID 0x88
#define LPCM_ID 0xa0
#define SUB_ID 0x20
#define STREAM_TYPE_VIDEO_MPEG1 0x01
#define STREAM_TYPE_VIDEO_MPEG2 0x02
#define STREAM_TYPE_AUDIO_MPEG1 0x03
#define STREAM_TYPE_AUDIO_MPEG2 0x04
#define STREAM_TYPE_PRIVATE_SECTION 0x05
#define STREAM_TYPE_PRIVATE_DATA 0x06
#define STREAM_TYPE_AUDIO_AAC 0x0f
#define STREAM_TYPE_VIDEO_MPEG4 0x10
#define STREAM_TYPE_VIDEO_H264 0x1b
#define STREAM_TYPE_VIDEO_CAVS 0x42
#define STREAM_TYPE_AUDIO_AC3 0x81
#define STREAM_TYPE_AUDIO_DTS 0x8a
static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };
/**
* Parse MPEG-PES five-byte timestamp
*/
static inline int64_t ff_parse_pes_pts(const uint8_t *buf) {
return (int64_t)(*buf & 0x0e) << 29 |
(AV_RB16(buf+1) >> 1) << 15 |
AV_RB16(buf+3) >> 1;
}
#endif /* AVFORMAT_MPEG_H */