Windows2003-3790/enduser/netmeeting/av/codecs/dec/dech263/sv_intrn.h
2020-09-30 16:53:55 +02:00

225 lines
6.9 KiB
C

/*
* @DEC_COPYRIGHT@
*/
/*
* HISTORY
* $Log: sv_internals.h,v $
* Revision 1.1.8.2 1996/05/07 19:56:06 Hans_Graves
* Added HUFF_SUPPORT.
* [1996/05/07 17:25:29 Hans_Graves]
*
* Revision 1.1.6.2 1996/03/29 22:21:16 Hans_Graves
* Added JPEG_SUPPORT ifdefs. Moved JPEG specific data to JpegInfo structures
* [1996/03/29 22:14:34 Hans_Graves]
*
* Revision 1.1.4.2 1995/12/07 19:31:30 Hans_Graves
* Added SvMpegCompressInfo_t pointer
* [1995/12/07 18:27:16 Hans_Graves]
*
* Revision 1.1.2.7 1995/09/22 12:58:41 Bjorn_Engberg
* Added MPEG_SUPPORT, H261_SUPPORT and BITSTREAM_SUPPORT.
* [1995/09/22 12:49:37 Bjorn_Engberg]
*
* Revision 1.1.2.6 1995/09/11 18:49:43 Farokh_Morshed
* Support BI_BITFIELDS format
* [1995/09/11 18:49:23 Farokh_Morshed]
*
* Revision 1.1.2.5 1995/07/21 17:41:06 Hans_Graves
* Renamed Callback related stuff.
* [1995/07/21 17:28:26 Hans_Graves]
*
* Revision 1.1.2.4 1995/07/17 16:12:14 Hans_Graves
* Moved BSIn, BufQ and ImageQ to SvCodecInfo_t structure.
* [1995/07/17 15:54:04 Hans_Graves]
*
* Revision 1.1.2.3 1995/06/19 20:31:17 Karen_Dintino
* Added support for H.261
* [1995/06/19 20:14:01 Karen_Dintino]
*
* Revision 1.1.2.2 1995/05/31 18:10:06 Hans_Graves
* Inclusion in new SLIB location.
* [1995/05/31 15:43:08 Hans_Graves]
*
* Revision 1.1.2.3 1994/11/18 18:48:17 Paul_Gauthier
* Cleanup & bug fixes
* [1994/11/18 18:45:08 Paul_Gauthier]
*
* Revision 1.1.2.2 1994/10/07 14:54:06 Paul_Gauthier
* SLIB v3.0 incl. MPEG Decode
* [1994/10/07 13:56:29 Paul_Gauthier]
*
* $EndLog$
*/
/*
**++
** FACILITY: Workstation Multimedia (WMM) v1.0
**
** FILE NAME:
** MODULE NAME:
**
** MODULE DESCRIPTION:
**
** DESIGN OVERVIEW:
**
**--
*/
/* "%Z% %M% revision %I%; last modified %G%"; */
/*****************************************************************************
** Copyright (c) Digital Equipment Corporation, 1994 **
** **
** All Rights Reserved. Unpublished rights reserved under the copyright **
** laws of the United States. **
** **
** The software contained on this media is proprietary to and embodies **
** the confidential technology of Digital Equipment Corporation. **
** Possession, use, duplication or dissemination of the software and **
** media is authorized only pursuant to a valid written license from **
** Digital Equipment Corporation. **
** **
** RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the U.S. **
** Government is subject to restrictions as set forth in Subparagraph **
** (c)(1)(ii) of DFARS 252.227-7013, or in FAR 52.227-19, as applicable. **
******************************************************************************/
/*--------------------------------------------------------------------------
* Baseline data structure definitions.
*
* Modification History: sv_internals.h
*
* 08-Sep-94 PSG Created
*---------------------------------------------------------------------------*/
#ifndef _SV_INTERNALS_H_
#define _SV_INTERNALS_H_
#include "SV.h"
#ifdef JPEG_SUPPORT
#include "sv_jpeg.h"
#endif /* JPEG_SUPPORT */
#ifdef MPEG_SUPPORT
#include "sv_mpeg.h"
#endif /* MPEG_SUPPORT */
#ifdef H261_SUPPORT
#include "sv_h261.h"
#endif /* H261_SUPPORT */
#ifdef H263_SUPPORT
#include "sv_h263.h"
#endif /* H263_SUPPORT */
#ifdef HUFF_SUPPORT
#include "sv_huff.h"
#endif /* HUFF_SUPPORT */
#if defined(MPEG_SUPPORT) || defined(H261_SUPPORT) || defined(H263_SUPPORT) || defined(HUFF_SUPPORT)
#define BITSTREAM_SUPPORT
#endif /* MPEG_SUPPORT || H261_SUPPORT */
#define TOC_ENTRIES_INCREMENT 100
#define TEMP_BUF_SIZE 8192
#define JBUFSIZE 16384
#define BYTE_BUF_SIZE 8192
/*
** The following structure contains *all* state information pertaining
** to each individual codec instance. Anything SLIB would ever want
** about the codec configuration is contained in this structure.
** For example:
** - what is the codec configured for: compression or decompression
** - source image characteristics
** - destination image characteristics
** - characteristics particular to JPEG compression
** - characteristics particular to JPEG decompression
** - component specific information
**
*/
typedef struct SvCodecInfo_s {
/*
** what is the CODEC opened for:
*/
SvCodecType_e mode; /* code type, encode or decode */
ScBoolean_t started; /* begin was called? */
/*
** specific CODEC info
*/
union {
void *info;
#ifdef JPEG_SUPPORT
/*
** JPEG information is stored here:
** modes = SV_JPEG_DECODE, SV_JPEG_ENCODE
*/
SvJpegDecompressInfo_t *jdcmp;
SvJpegCompressInfo_t *jcomp;
#endif /* !JPEG_SUPPORT */
#ifdef MPEG_SUPPORT
/*
** MPEG specific information is stored here:
** modes = SV_MPEG_DECODE, SV_MPEG_ENCODE, SV_MPEG_DECODE, SV_MPEG_ENCODE
*/
SvMpegDecompressInfo_t *mdcmp;
SvMpegCompressInfo_t *mcomp;
#endif /* !MPEG_SUPPORT */
#ifdef H261_SUPPORT
/* Encoding specific information for H.261 is kept in this structure
** which is defined in sv_h261.h
*/
SvH261Info_t *h261;
#endif /* !H261_SUPPORT */
#ifdef H263_SUPPORT
/*
** H263 specific information is stored here:
*/
SvH263DecompressInfo_t *h263dcmp;
SvH263CompressInfo_t *h263comp;
#endif /* !MPEG_SUPPORT */
#ifdef HUFF_SUPPORT
/* Encoding specific information for huffman video encoder & decoder
*/
SvHuffInfo_t *huff;
#endif /* !HUFF_SUPPORT */
}; /* union */
/*
** Source image characteristics:
*/
int Width; /* pixels/lines */
int Height; /* number of lines */
unsigned int NumOperations; /* # codec operations this session */
/*
** Microsoft specific:
*/
BITMAPINFOHEADER InputFormat;
DWORD InRedMask; /* For BI_BITFIELDS */
DWORD InGreenMask; /* For BI_BITFIELDS */
DWORD InBlueMask; /* For BI_BITFIELDS */
BITMAPINFOHEADER OutputFormat;
DWORD OutRedMask; /* For BI_BITFIELDS */
DWORD OutGreenMask; /* For BI_BITFIELDS */
DWORD OutBlueMask; /* For BI_BITFIELDS */
/*
** Bitstream stuff - Only used by H261, H263 and MPEG
*/
ScQueue_t *BufQ; /* The queue of bitstream data buffers */
ScQueue_t *ImageQ; /* The queue of images (streaming mode only) */
ScBitstream_t *BSIn;
ScBitstream_t *BSOut;
/*
** Callback function to abort processing & bitstream operations
*/
int (* CallbackFunction)(SvHandle_t, SvCallbackInfo_t *, SvPictureInfo_t *);
} SvCodecInfo_t;
#endif _SV_INTERNALS_H_