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FFmpeg/libavformat/mpeg.h

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  1. /*

  2.  * MPEG1/2 muxer and demuxer common defines

  3.  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. #ifndef AVFORMAT_MPEG_H

  23. #define AVFORMAT_MPEG_H

  24. 

  25. #define PACK_START_CODE             ((unsigned int)0x000001ba)

  26. #define SYSTEM_HEADER_START_CODE    ((unsigned int)0x000001bb)

  27. #define SEQUENCE_END_CODE           ((unsigned int)0x000001b7)

  28. #define PACKET_START_CODE_MASK      ((unsigned int)0xffffff00)

  29. #define PACKET_START_CODE_PREFIX    ((unsigned int)0x00000100)

  30. #define ISO_11172_END_CODE          ((unsigned int)0x000001b9)

  31. 

  32. /* mpeg2 */

  33. #define PROGRAM_STREAM_MAP 0x1bc

  34. #define PRIVATE_STREAM_1   0x1bd

  35. #define PADDING_STREAM     0x1be

  36. #define PRIVATE_STREAM_2   0x1bf

  37. 

  38. #define AUDIO_ID 0xc0

  39. #define VIDEO_ID 0xe0

  40. #define AC3_ID   0x80

  41. #define DTS_ID   0x8a

  42. #define LPCM_ID  0xa0

  43. #define SUB_ID   0x20

  44. 

  45. #define STREAM_TYPE_VIDEO_MPEG1     0x01

  46. #define STREAM_TYPE_VIDEO_MPEG2     0x02

  47. #define STREAM_TYPE_AUDIO_MPEG1     0x03

  48. #define STREAM_TYPE_AUDIO_MPEG2     0x04

  49. #define STREAM_TYPE_PRIVATE_SECTION 0x05

  50. #define STREAM_TYPE_PRIVATE_DATA    0x06

  51. #define STREAM_TYPE_AUDIO_AAC       0x0f

  52. #define STREAM_TYPE_VIDEO_MPEG4     0x10

  53. #define STREAM_TYPE_VIDEO_H264      0x1b

  54. 

  55. #define STREAM_TYPE_AUDIO_AC3       0x81

  56. #define STREAM_TYPE_AUDIO_DTS       0x8a

  57. 

  58. static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };

  59. 

  60. #endif /* AVFORMAT_MPEG_H */