mpegts.h

来自「arm平台下的H264编码和解码源代码」· C头文件 代码 · 共 55 行

/*
 * MPEG2 transport stream defines
 * Copyright (c) 2003 Fabrice Bellard.
 *
 * This library 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 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#define TS_FEC_PACKET_SIZE 204
#define TS_PACKET_SIZE 188
#define NB_PID_MAX 8192
#define MAX_SECTION_SIZE 4096

/* pids */
#define PAT_PID                 0x0000
#define SDT_PID                 0x0011

/* table ids */
#define PAT_TID   0x00
#define PMT_TID   0x02 
#define SDT_TID   0x42

#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      0x1a

#define STREAM_TYPE_AUDIO_AC3       0x81

unsigned int mpegts_crc32(const uint8_t *data, int len);
extern AVOutputFormat mpegts_mux;

typedef struct MpegTSContext MpegTSContext;

MpegTSContext *mpegts_parse_open(AVFormatContext *s);
int mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
                        const uint8_t *buf, int len);
void mpegts_parse_close(MpegTSContext *ts);