ref: fa93c88fa21177dce3a33adb8c6513fc85df6476
dir: /codec/encoder/core/inc/rc.h/
/*! * \copy * Copyright (c) 2004-2013, Cisco Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * * ratectl.c * * Abstract * Include file for ratectl.c * * History * 9/8/2004 Created * 12/26/2011 Modified * * *************************************************************************/ #ifndef RC_H #define RC_H #include "codec_app_def.h" #include "svc_enc_macroblock.h" #include "slice.h" namespace WelsSVCEnc { //trace #define GOM_TRACE_FLAG 1 #define WELS_RC_DISABLE 0 #define WELS_RC_GOM 1 typedef enum { RC_MODE0, //Quality mode RC_MODE1, //Bitrate mode } RC_MODES; enum { //virtual gop size VGOP_SIZE = 8, //qp information GOM_MIN_QP_MODE = 12, GOM_MAX_QP_MODE = 36, MIN_IDR_QP = 26, MAX_IDR_QP = 32, DELTA_QP = 2, DELTA_QP_BGD_THD = 3, //frame skip constants SKIP_QP_90P = 24, SKIP_QP_180P = 24, SKIP_QP_360P = 31, SKIP_QP_720P = 31, LAST_FRAME_QP_RANGE_UPPER_MODE0 = 3, LAST_FRAME_QP_RANGE_LOWER_MODE0 = 2, LAST_FRAME_QP_RANGE_UPPER_MODE1 = 5, LAST_FRAME_QP_RANGE_LOWER_MODE1 = 3, MB_WIDTH_THRESHOLD_90P = 15, MB_WIDTH_THRESHOLD_180P = 30, MB_WIDTH_THRESHOLD_360P = 60, //Mode 0 parameter GOM_ROW_MODE0_90P = 2, GOM_ROW_MODE0_180P = 2, GOM_ROW_MODE0_360P = 4, GOM_ROW_MODE0_720P = 4, QP_RANGE_MODE0 = 3, //Mode 1 parameter GOM_ROW_MODE1_90P = 1, GOM_ROW_MODE1_180P = 1, GOM_ROW_MODE1_360P = 2, GOM_ROW_MODE1_720P = 2, QP_RANGE_UPPER_MODE1 = 9, QP_RANGE_LOWER_MODE1 = 4, QP_RANGE_INTRA_MODE1 = 3, }; //bits allocation #define MAX_BITS_VARY_PERCENTAGE 100 //bits vary range in percentage #define VGOP_BITS_PERCENTAGE_DIFF 5 #define IDR_BITRATE_RATIO 4.0 #define FRAME_iTargetBits_VARY_RANGE 0.5 //R-Q Model #define LINEAR_MODEL_DECAY_FACTOR 0.8 #define FRAME_CMPLX_RATIO_RANGE 0.1 #define SMOOTH_FACTOR_MIN_VALUE 0.02 //#define VGOP_BITS_MIN_RATIO 0.8 //skip and padding #define SKIP_RATIO 0.5 #define PADDING_BUFFER_RATIO 0.5 #define PADDING_THRESHOLD 0.05 typedef struct TagRCSlicing { int32_t iComplexityIndexSlice; int32_t iCalculatedQpSlice; int32_t iStartMbSlice; int32_t iEndMbSlice; int32_t iTotalQpSlice; int32_t iTotalMbSlice; int32_t iTargetBitsSlice; int32_t iBsPosSlice; int32_t iFrameBitsSlice; int32_t iGomBitsSlice; int32_t iGomTargetBits; //int32_t gom_coded_mb; } SRCSlicing; typedef struct TagRCTemporal { int32_t iMinBitsTl; int32_t iMaxBitsTl; double dTlayerWeight; int32_t iGopBitsDq; //P frame level R-Q Model double dLinearCmplx; int32_t iPFrameNum; int32_t iFrameCmplxMean; } SRCTemporal; typedef struct TagWelsRc { int32_t iRcVaryPercentage; double dRcVaryRatio; int32_t iInitialQp; //initial qp int32_t iBitRate; int32_t iPreviousBitrate; int32_t iPreviousGopSize; double fFrameRate; double dBitsPerFrame; double dPreviousFps; // bits allocation and status int32_t iRemainingBits; int32_t iTargetBits; int32_t iIdrNum; int32_t iIntraComplexity; int32_t iIntraMbCount; int8_t iTlOfFrames[VGOP_SIZE]; double dRemainingWeights; int32_t iFrameDqBits; double* pGomComplexity; int32_t* pGomForegroundBlockNum; int32_t* pCurrentFrameGomSad; int32_t* pGomCost; int32_t iAverageFrameQp; int32_t iNumberMbFrame; int32_t iNumberMbGom; int32_t iSliceNum; int32_t iGomSize; int32_t iSkipFrameNum; int32_t iFrameCodedInVGop; int32_t iSkipFrameInVGop; int32_t iGopNumberInVGop; int32_t iGopIndexInVGop; int32_t iSkipQpValue; int32_t iQpRangeUpperInFrame; int32_t iQpRangeLowerInFrame; int32_t iMinQp; int32_t iMaxQp; //int32_t delta_adaptive_qp; double dSkipBufferRatio; double dQStep; int32_t iFrameDeltaQpUpper; int32_t iFrameDeltaQpLower; int32_t iLastCalculatedQScale; //for skip frame and padding int32_t iBufferSizeSkip; int32_t iBufferFullnessSkip; int32_t iBufferSizePadding; int32_t iBufferFullnessPadding; int32_t iPaddingSize; int32_t iPaddingBitrateStat; SRCSlicing* pSlicingOverRc; SRCTemporal* pTemporalOverRc; } SWelsSvcRc; typedef void (*PWelsRCPictureInitFunc) (void* pCtx); typedef void (*PWelsRCPictureInfoUpdateFunc) (void* pCtx, int32_t iLayerSize); typedef void (*PWelsRCMBInfoUpdateFunc) (void* pCtx, SMB* pCurMb, int32_t iCostLuma, SSlice* pSlice); typedef void (*PWelsRCMBInitFunc) (void* pCtx, SMB* pCurMb, SSlice* pSlice); typedef struct WelsRcFunc_s { PWelsRCPictureInitFunc pfWelsRcPictureInit; PWelsRCPictureInfoUpdateFunc pfWelsRcPictureInfoUpdate; PWelsRCMBInitFunc pfWelsRcMbInit; PWelsRCMBInfoUpdateFunc pfWelsRcMbInfoUpdate; } SWelsRcFunc; void WelsRcInitModule (void* pCtx, int32_t iModule); void WelsRcFreeMemory (void* pCtx); } #endif //RC_H