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tm5rc.hpp
资源名称：NETVIDEO.rar [点击查看]
上传用户：sun1608
上传日期：2007-02-02
资源大小：6116k
文件大小：3k
源码类别：
流媒体/Mpeg4/MP4
开发平台：
Visual C++
- /* header file for TM-5 rate control */
- /* MPEG-2 Video TM-5 rate control
- For the purpose of comparing
- MPEG-4 VM with MPEG-2 TM-5
- 27.03.97 By X. Chen in G.I.
- * 16.03.99 David Ruhoff: conversion to microsoft-vfdis-v10-990124
- */
- #ifndef __TM5RC_H_
- #define __TM5RC_H_
- #define RC_MPEG4 1
- #define RC_TM5 3
- #include "basic.hpp"
- Class CVOPU8YUVBA;
- Class CVideoObjectEncoder;
- Class TM5rc
- {
- public:
- TM5rc ()
- {
- Xi = Xp = Xb = r_tm5 = d0i = d0p = d0b = 0;
- avg_act = 0.0;
- mbact = NULL;
- R_tm5 = T_tm5 = d_tm5 = 0;
- actsum = 0.0;
- Ni = Np = Nb = S_tm5 = Q_tm5 = prev_mquant = 0;
- mb_width = mb_height = mquant = bitrate = 0;
- pic_rate = 0.0;
- rc_type = 0;
- Qfile = NULL;
- linectr = 0;
- };
- ~TM5rc () {};
- void tm5rc_init_seq( char *pchQname,
- UInt rc_type,
- AlphaUsage fAUsage,
- UInt uiWidth,
- UInt uiHeight,
- UInt uiBitRate,
- Double dFrameRate
- );
- void tm5rc_init_GOP(Int np, Int nb);
- void tm5rc_init_pict(VOPpredType vopPredType,
- const PixelC* ppxlcOrigY,
- Int row_size,
- Int iNumMBX,
- Int iNumMBY);
- Int tm5rc_start_mb();
- Int tm5rc_calc_mquant(Int iMBindex, UInt uiBitsUsed);
- void tm5rc_update_pict(VOPpredType vopPredType, Int iVOPtotalBits);
- private:
- void tm5_calc_actj(const PixelC* ppxlcOrigY,
- Int row_size,
- Int iNumMBX,
- Int iNumMBY);
- Double tm5_var_sblk(const PixelC *p, Int lx);
- Int Xi; /* I-picture complexity */
- Int Xp; /* P-picture complexity */
- Int Xb; /* B-picture complexity */
- Int r_tm5; /* Reaction parameter */
- Int d0i; /* I-pic virtual buffer occupancy */
- Int d0p; /* P-pic virtual buffer occupancy */
- Int d0b; /* B-pic virtual buffer occupancy */
- Double avg_act; /* Ave activity (of last picture) */
- Double *mbact; /* Activity of each macroblock */
- Int R_tm5;
- Int T_tm5;
- Int d_tm5; /* buffer occupancy accumulator */
- Double actsum; /* Cumulative sum of activities */
- Int Ni; /* Nbr I-pics reamining in GOP */
- Int Np; /* Nbr P-pics remaining in GOP */
- Int Nb; /* Nbr B-pics remaining in GOP */
- Int S_tm5;
- Int Q_tm5; /* Sum of quantizer value (for activity calc) */
- Int prev_mquant;/* Previous quantizer */
- Int mb_width; /* Nbr MBs in horiz direction */
- Int mb_height; /* Nbr MBs in vert direction */
- Int mquant; /* running quantizer value */
- Int bitrate; /* Bit rate (bits/second) */
- Double pic_rate; /* Pictures per second */
- Int rc_type; /* Rate control type code */
- FILE *Qfile; /* Quantizer file */
- Int linectr; /* numbers on current Qfile line */
- };
- #endif
