120 lines
4.3 KiB
C
120 lines
4.3 KiB
C
/*
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* @DEC_COPYRIGHT@
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*/
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/*
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* HISTORY
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* $Log: mpeg.h,v $
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* Revision 1.1.4.2 1996/11/08 21:50:41 Hans_Graves
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* Added MPEG1_AUDIO_FRAME_SIZE
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* [1996/11/08 21:17:44 Hans_Graves]
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*
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* Revision 1.1.2.4 1996/01/11 16:17:24 Hans_Graves
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* Added more MPEG II System codes
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* [1996/01/11 16:14:20 Hans_Graves]
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*
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* Revision 1.1.2.3 1996/01/08 16:41:24 Hans_Graves
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* Added MPEG II codes
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* [1996/01/08 15:44:39 Hans_Graves]
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*
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* Revision 1.1.2.2 1995/11/06 18:47:43 Hans_Graves
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* First time under SLIB
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* [1995/11/06 18:34:29 Hans_Graves]
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*
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* $EndLog$
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*/
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/*****************************************************************************
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** Copyright (c) Digital Equipment Corporation, 1995 **
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** **
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** All Rights Reserved. Unpublished rights reserved under the copyright **
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** laws of the United States. **
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** **
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** The software contained on this media is proprietary to and embodies **
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** the confidential technology of Digital Equipment Corporation. **
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** Possession, use, duplication or dissemination of the software and **
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** media is authorized only pursuant to a valid written license from **
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** Digital Equipment Corporation. **
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** **
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** RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the U.S. **
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** Government is subject to restrictions as set forth in Subparagraph **
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** (c)(1)(ii) of DFARS 252.227-7013, or in FAR 52.227-19, as applicable. **
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******************************************************************************/
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#ifndef _MPEG_H_
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#define _MPEG_H_
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#define MPEG1_AUDIO_FRAME_SIZE 1152
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/************** MPEG I parsing definitions **************/
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#define MPEG_SYNC_WORD 0xfff
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#define MPEG_SYNC_WORD_LEN 12
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#define MPEG_PACK_START 0x000001ba
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#define MPEG_PACK_START_LEN 32
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#define MPEG_SYSTEM_HEADER_START 0x000001bb
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#define MPEG_SYSTEM_HEADER_START_LEN 32
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#define MPEG_SEQ_HEAD 0x000001b3
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#define MPEG_SEQ_HEAD_LEN 32
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#define MPEG_EXT_START 0x000001b5
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#define MPEG_EXT_START_LEN 32
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#define MPEG_PICTURE_START 0x00000100
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#define MPEG_GROUP_START 0x000001b8
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#define MPEG_VIDEO_PACKET 0x000001e0
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#define MPEG_AUDIO_PACKET 0x000001c0
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#define MPEG_START_CODE 0x000001
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#define MPEG_START_CODE_LEN 24
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#define MPEG_PICTURE_START_BASE 0x00
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#define MPEG_PACK_START_BASE 0xba
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#define MPEG_SYSTEM_HEADER_BASE 0xbb
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#define MPEG_PRIVATE_STREAM1_BASE 0xbd
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#define MPEG_PADDING_STREAM_BASE 0xbe
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#define MPEG_PRIVATE_STREAM2_BASE 0xbf
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#define MPEG_AUDIO_STREAM_BASE 0xc0
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#define MPEG_VIDEO_STREAM_BASE 0xe0
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#define MPEG_USER_DATA_BASE 0xb2
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#define MPEG_SEQ_HEAD_BASE 0xb3
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#define MPEG_EXT_START_BASE 0xb5
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#define MPEG_SEQ_END_BASE 0xb7
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#define MPEG_GROUP_START_BASE 0xb8
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#define MPEG_END_BASE 0xb9
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#define MPEG_AUDIO_STREAM_START 0xC0
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#define MPEG_AUDIO_STREAM_END 0xDF
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#define MPEG_VIDEO_STREAM_START 0xE0
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#define MPEG_VIDEO_STREAM_END 0xEF
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/************** MPEG II parsing definitions **************/
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/* stream id's - all reserved in MPEG I */
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#define MPEG_PROGRAM_STREAM 0xBC
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#define MPEG_ECM_STREAM 0xF0
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#define MPEG_EMM_STREAM 0xF1
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#define MPEG_DSM_CC_STREAM 0xF1
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#define MPEG_13522_STREAM 0xF2
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#define MPEG_PROGRAM_DIRECTORY_STREAM 0xFF
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/* program id's */
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#define MPEG_PID_NULL 0x1FFF
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/* transport codes */
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#define MPEG_TSYNC_CODE 0x47
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#define MPEG_TSYNC_CODE_LEN 8
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/* extension start code IDs */
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#define MPEG_SEQ_ID 1
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#define MPEG_DISP_ID 2
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#define MPEG_QUANT_ID 3
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#define MPEG_SEQSCAL_ID 5
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#define MPEG_PANSCAN_ID 7
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#define MPEG_CODING_ID 8
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#define MPEG_SPATSCAL_ID 9
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#define MPEG_TEMPSCAL_ID 10
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/* picture coding type */
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#define MPEG_I_TYPE 1
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#define MPEG_P_TYPE 2
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#define MPEG_B_TYPE 3
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#define MPEG_D_TYPE 4
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#endif /* _MPEG_H_ */
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