?? mpeg.h.svn-base
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/* * 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 FFMPEG_MPEG_H#define FFMPEG_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 0x8a#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_AUDIO_AC3 0x81#define STREAM_TYPE_AUDIO_DTS 0x8astatic const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };/** * Parse MPEG-PES five-byte timestamp */static inline int64_t ff_parse_pes_pts(uint8_t *buf) { return (int64_t)(*buf & 0x0e) << 29 | (AV_RB16(buf+1) >> 1) << 15 | AV_RB16(buf+3) >> 1;}#endif /* FFMPEG_MPEG_H */
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