Leaked source code of windows server 2003
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
/*
* @DEC_COPYRIGHT@ *//*
* HISTORY * $Log: sv_h261.h,v $ * Revision 1.1.2.11 1995/08/15 19:13:52 Karen_Dintino * fix reentrant problem * [1995/08/15 18:30:26 Karen_Dintino] * * Revision 1.1.2.10 1995/08/07 22:09:51 Hans_Graves * Added MotionEstimationType and MotionThreshold parameters. * [1995/08/07 22:04:10 Hans_Graves] * * Revision 1.1.2.9 1995/08/04 16:32:27 Karen_Dintino * Remove some fields from global struct and add some Me* fields * [1995/08/04 16:23:47 Karen_Dintino] * * Revision 1.1.2.8 1995/07/21 17:41:05 Hans_Graves * Added CallbackFunction. * [1995/07/21 17:27:57 Hans_Graves] * * Revision 1.1.2.7 1995/07/17 16:12:07 Hans_Graves * Moved BSIn, BufQ and ImageQ to SvCodecInfo_t structure. * [1995/07/17 15:55:30 Hans_Graves] * * Revision 1.1.2.6 1995/07/13 09:46:42 Jim_Ludwig * Trying to fix this broken link * [1995/07/13 09:46:26 Jim_Ludwig] * * Revision 1.1.2.5 1995/07/12 22:17:40 Karen_Dintino * Using common ScCopy routines * [1995/07/12 22:15:14 Karen_Dintino] * * Revision 1.1.2.4 1995/07/11 22:11:30 Karen_Dintino * Change size of some structures * [1995/07/11 21:55:20 Karen_Dintino] * * Revision 1.1.2.3 1995/07/01 18:43:19 Karen_Dintino * adding support for Decompress * [1995/07/01 18:14:36 Karen_Dintino] * * Revision 1.1.2.2 1995/06/19 20:30:50 Karen_Dintino * H.261 Codec Data Structures * [1995/06/19 19:26:47 Karen_Dintino] * * $EndLog$ */
/*
** FACILITY: Workstation Multimedia (WMM) v1.0**** FILE NAME: SV_H261.H** MODULE NAME:**** MODULE DESCRIPTION:** Data structures for H.261 Software Video Codec**** DESIGN OVERVIEW:****--*//*****************************************************************************
** Copyright (c) Digital Equipment Corporation, 1995 **** **** 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 Unpublished rights reserved under the copyright **** laws of the United States.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 H.261 data structure definitions. * * Modification History: sv_H261.h * * 04-Jan-95 KED Created*---------------------------------------------------------------------------*/#ifndef _SV_H261_H_
#define _SV_H261_H_
#include "SC.h"
#define ACTIVE_THRESH 96
#define MEBUFSIZE 1024
#define H261_BLOCKSIZE 64
#define H261_BLOCKWIDTH 8
#define H261_BLOCKHEIGHT 8
#define BEGIN(name) static char RoutineName[]= name
/*
** Faster Macro versions of huffman Decode()*/#define HUFFMAN_ESCAPE 0x1b01
#define DHUFF struct H261_Modified_Decoder_Huffman
#define EHUFF struct H261_Modified_Encoder_Huffman
DHUFF{ int NumberStates; int state[512];};
EHUFF{ int n; int *Hlen; int *Hcode;};
#define RTP_H261_INTRA_CODED 0x00000001
#define H261_RTP_MAX_PACKETS 64*2
typedef struct SvH261BSInfo_s { unsigned dword dwFlag; unsigned dword dwBitOffset; unsigned char MBAP; unsigned char Quant; unsigned char GOBN; char HMV; char VMV; char padding0; short padding1;} SvH261BSInfo_t;
typedef struct SvH261BSTrailer_s { unsigned dword dwVersion; unsigned dword dwFlags; unsigned dword dwUniqueCode; unsigned dword dwCompressedSize; unsigned dword dwNumberOfPackets; unsigned char SourceFormat; unsigned char TR; unsigned char TRB; unsigned char DBQ;} SvH261BSTrailer_t;
typedef struct SvH261RTPInfo_s { SvH261BSTrailer_t trailer; SvH261BSInfo_t bsinfo[H261_RTP_MAX_PACKETS]; ScBSPosition_t last_packet_position; ScBSPosition_t pre_MB_position; unsigned dword pre_MB_GOB; unsigned dword pre_MBAP;} SvH261RTPInfo_t;
/*
** The following structure contains *all* state information pertaining** to each individual H261 codec instance. Anything SLIB would ever want** about the H261 codec configuration is contained in this structure.***/typedef struct SvH261Info_s{ ScBoolean_t inited; /* was this info initialized yet */ void *dbg; /* debug handle */ /* options */ int quality; int extbitstream; /* extended bitstream (rtp) */ int packetsize; /* packet size (rtp) */ int makekey; int ME_method; int ME_search; int ME_threshold; int bit_rate; float frame_rate; int FrameRate_Fix; int FrameSkip; /* dimensions */ int YWidth; int YHeight; int ForceCIF; int CWidth; int CHeight; int YW4; int CW4; int PICSIZE; int PICSIZEBY4; /* misc */ int (* CallbackFunction)(SvHandle_t, SvCallbackInfo_t *, SvPictureInfo_t *); int MeVAR[MEBUFSIZE]; int MeVAROR[MEBUFSIZE]; int MeMWOR[MEBUFSIZE]; int MeX[MEBUFSIZE]; int MeY[MEBUFSIZE]; int MeVal[MEBUFSIZE]; int MeOVal[MEBUFSIZE]; int PreviousMeOVal[MEBUFSIZE]; unsigned int CodedFrames; unsigned int C_U_Frames; float BitsAvailableMB; float ACE; int ActThr, ActThr2, ActThr3, ActThr4, ActThr5, ActThr6; int ChChange; int LowerQuant; int LowerQuant_FIX; int FineQuant; int PBUFF; int PBUFF_Factor; double ZBDecide; double VARF; double VARORF; double VARSQ; double VARORSQ; int MSmooth; int NumberGOB; int CurrentGOB; ScBSPosition_t Current_MBBits; ScBSPosition_t MotionVectorBits; ScBSPosition_t MacroAttributeBits; ScBSPosition_t CurrentBlockBits; ScBSPosition_t CodedBlockBits; ScBSPosition_t EOBBits; int MType; int GQuant; int MQuant; int QP; /* for VBR */ int QPI; int MVDH; int MVDV; int CBP; int PSpare; int GSpare; int GRead; int MBA; int LastMBA; int LastMType; double alpha1; double alpha2; double snr_PastFrame; double time_total; double timegen; double Avg_AC; double Global_Avg;int VYWH;int VYWBYWH;int VYWH2;int VYWHMV;int VYWBYWHMV;int VYWHMV2;ScBSPosition_t NBitsPerFrame;int MAX_MQUANT;int MIN_MQUANT;int OverFlow;int OverFlow2;int Buffer_B;int Big_Buffer;int AQuant;ScBSPosition_t Buffer_All;ScBSPosition_t Buffer_NowPic;ScBSPosition_t BitsLeft;ScBSPosition_t NBitsCurrentFrame;int Pictures_in_Buff;int All_MType[512];int TotalCodedMB;int TT_MB;int NoSkippedFrame;int TotalCodedMB_Inter;int TotalCodedMB_Intra;int Current_CodedMB[2];int CodeLength;int MBpos;int MQFlag;int CurrentCBNo;/* System Definitions */int ImageType;int NumberMDU;int CurrentMDU;int CurrentFrame;int StartFrame;int LastFrame;int PreviousFrame;int NumberFrames;int TransmittedFrames;/* Stuff for RateControl */ScBSPosition_t FileSizeBits;ScBSPosition_t BufferOffset; /*Number of bits assumed for initial buffer. */int QDFact;int QOffs;int QUpdateFrequency;int QUse;int QSum;int InitialQuant;int CBPThreshold; /* abs threshold before we use CBP */ScBSPosition_t MBBits[2];int CBPFreq[6];int TotalMB[2];int SkipMB;int TemporalReference;int TemporalOffset;int PType;int Type2;int VAR;int VAROR;int MWOR;int LastMVDV;int LastMVDH;int ParityEnable;int PSpareEnable;int GSpareEnable;int Parity; /* Statistics */ int NumberNZ; ScBSPosition_t FirstFrameBits; ScBSPosition_t NumberOvfl; ScBSPosition_t YCoefBits; ScBSPosition_t UCoefBits; ScBSPosition_t VCoefBits; ScBSPosition_t TotalBits; ScBSPosition_t LastBits; int MacroTypeFrequency[10]; int YTypeFrequency[10]; int UVTypeFrequency[10]; /* for Decode */ int UseQuant; unsigned int ByteOffset; unsigned int TotalByteOffset; unsigned int *workloc; DHUFF *MBADHuff; DHUFF *MVDDHuff; DHUFF *CBPDHuff; DHUFF *T1DHuff; DHUFF *T2DHuff; DHUFF *T3DHuff;
EHUFF *MBAEHuff; EHUFF *MVDEHuff; EHUFF *CBPEHuff; EHUFF *T1EHuff; EHUFF *T2EHuff; EHUFF *T3EHuff; int NumberBitsCoded; unsigned char CodedMB[512]; unsigned char **LastIntra; /* Used for intra forcing (once per 132 frames ) */ unsigned char *CompData; unsigned char *DecompData; unsigned char *YREF; unsigned char *UREF; unsigned char *VREF; unsigned char *Y; unsigned char *U; unsigned char *V; unsigned char *YRECON; unsigned char *URECON; unsigned char *VRECON; unsigned char *YDEC; unsigned char *UDEC; unsigned char *VDEC; unsigned char mbRecY[256]; unsigned char mbRecU[64]; unsigned char mbRecV[64];
SvH261RTPInfo_t *RTPInfo;} SvH261Info_t;
#endif /* _SV_H261_H_ */
|
