237 lines
6.7 KiB
C++
237 lines
6.7 KiB
C++
/*!
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* \copy
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* Copyright (c) 2004-2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* ratectl.c
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*
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* Abstract
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* Include file for ratectl.c
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*
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* History
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* 9/8/2004 Created
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* 12/26/2011 Modified
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*
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*
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*************************************************************************/
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#ifndef RC_H
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#define RC_H
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#include "codec_app_def.h"
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#include "svc_enc_macroblock.h"
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#include "slice.h"
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namespace WelsSVCEnc {
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//trace
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#define GOM_TRACE_FLAG 1
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#define GOM_H_SCC 8
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#define WELS_RC_DISABLE 0
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#define WELS_RC_GOM 1
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enum {
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BITS_NORMAL,
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BITS_LIMITED,
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BITS_EXCEEDED,
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};
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enum {
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//virtual gop size
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VGOP_SIZE = 8,
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//qp information
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GOM_MIN_QP_MODE = 12,
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GOM_MAX_QP_MODE = 36,
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MAX_LOW_BR_QP = 42,
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MIN_IDR_QP = 26,
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MAX_IDR_QP = 32,
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DELTA_QP = 2,
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DELTA_QP_BGD_THD = 3,
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//frame skip constants
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SKIP_QP_90P = 24,
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SKIP_QP_180P = 24,
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SKIP_QP_360P = 31,
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SKIP_QP_720P = 31,
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LAST_FRAME_QP_RANGE_UPPER_MODE0 = 3,
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LAST_FRAME_QP_RANGE_LOWER_MODE0 = 2,
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LAST_FRAME_QP_RANGE_UPPER_MODE1 = 5,
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LAST_FRAME_QP_RANGE_LOWER_MODE1 = 3,
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MB_WIDTH_THRESHOLD_90P = 15,
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MB_WIDTH_THRESHOLD_180P = 30,
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MB_WIDTH_THRESHOLD_360P = 60,
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//Mode 0 parameter
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GOM_ROW_MODE0_90P = 2,
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GOM_ROW_MODE0_180P = 2,
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GOM_ROW_MODE0_360P = 4,
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GOM_ROW_MODE0_720P = 4,
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QP_RANGE_MODE0 = 3,
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//Mode 1 parameter
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GOM_ROW_MODE1_90P = 1,
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GOM_ROW_MODE1_180P = 1,
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GOM_ROW_MODE1_360P = 2,
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GOM_ROW_MODE1_720P = 2,
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QP_RANGE_UPPER_MODE1 = 9,
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QP_RANGE_LOWER_MODE1 = 4,
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QP_RANGE_INTRA_MODE1 = 3,
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};
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//bits allocation
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#define MAX_BITS_VARY_PERCENTAGE 100 //bits vary range in percentage
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#define INT_MULTIPLY 100 // use to multiply in Double to Int Conversion, should be same as AQ_QSTEP_INT_MULTIPLY in WelsVP
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#define WEIGHT_MULTIPLY 2000
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#define REMAIN_BITS_TH (10) // *INT_MULTIPLY
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#define VGOP_BITS_PERCENTAGE_DIFF 5
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#define IDR_BITRATE_RATIO 4
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#define FRAME_iTargetBits_VARY_RANGE 50 // *INT_MULTIPLY
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//R-Q Model
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#define LINEAR_MODEL_DECAY_FACTOR 80 // *INT_MULTIPLY
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#define FRAME_CMPLX_RATIO_RANGE 10 // *INT_MULTIPLY
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#define SMOOTH_FACTOR_MIN_VALUE 2 // *INT_MULTIPLY
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//#define VGOP_BITS_MIN_RATIO 0.8
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//skip and padding
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#define SKIP_RATIO 50 // *INT_MULTIPLY
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#define PADDING_BUFFER_RATIO 50 // *INT_MULTIPLY
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#define PADDING_THRESHOLD 5 //*INT_MULTIPLY
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typedef struct TagRCSlicing {
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int32_t iComplexityIndexSlice;
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int32_t iCalculatedQpSlice;
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int32_t iStartMbSlice;
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int32_t iEndMbSlice;
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int32_t iTotalQpSlice;
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int32_t iTotalMbSlice;
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int32_t iTargetBitsSlice;
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int32_t iBsPosSlice;
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int32_t iFrameBitsSlice;
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int32_t iGomBitsSlice;
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int32_t iGomTargetBits;
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//int32_t gom_coded_mb;
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} SRCSlicing;
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typedef struct TagRCTemporal {
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int32_t iMinBitsTl;
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int32_t iMaxBitsTl;
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int32_t iTlayerWeight;
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int32_t iGopBitsDq;
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//P frame level R-Q Model
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int64_t iLinearCmplx; // *INT_MULTIPLY
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int32_t iPFrameNum;
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int32_t iFrameCmplxMean;
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} SRCTemporal;
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typedef struct TagWelsRc {
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int32_t iRcVaryPercentage;
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int32_t iRcVaryRatio;
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int32_t iInitialQp; //initial qp
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int32_t iBitRate;
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int32_t iPreviousBitrate;
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int32_t iPreviousGopSize;
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double fFrameRate;
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int32_t iBitsPerFrame; // *INT_MULTIPLY
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double dPreviousFps;
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// bits allocation and status
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int32_t iRemainingBits;
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int32_t iTargetBits;
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int32_t iCurrentBitsLevel;//0:normal; 1:limited; 2:exceeded.
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int32_t iIdrNum;
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int32_t iIntraComplexity;
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int32_t iIntraMbCount;
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int8_t iTlOfFrames[VGOP_SIZE];
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int32_t iRemainingWeights;
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int32_t iFrameDqBits;
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double* pGomComplexity;
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int32_t* pGomForegroundBlockNum;
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int32_t* pCurrentFrameGomSad;
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int32_t* pGomCost;
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int32_t iAverageFrameQp;
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int32_t iNumberMbFrame;
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int32_t iNumberMbGom;
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int32_t iSliceNum;
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int32_t iGomSize;
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int32_t iSkipFrameNum;
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int32_t iFrameCodedInVGop;
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int32_t iSkipFrameInVGop;
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int32_t iGopNumberInVGop;
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int32_t iGopIndexInVGop;
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int32_t iSkipQpValue;
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int32_t iQpRangeUpperInFrame;
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int32_t iQpRangeLowerInFrame;
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int32_t iMinQp;
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int32_t iMaxQp;
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//int32_t delta_adaptive_qp;
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int32_t iSkipBufferRatio;
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int32_t iQStep; // *INT_MULTIPLY
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int32_t iFrameDeltaQpUpper;
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int32_t iFrameDeltaQpLower;
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int32_t iLastCalculatedQScale;
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//for skip frame and padding
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int32_t iBufferSizeSkip;
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int32_t iBufferFullnessSkip;
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int32_t iBufferSizePadding;
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int32_t iBufferFullnessPadding;
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int32_t iPaddingSize;
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int32_t iPaddingBitrateStat;
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SRCSlicing* pSlicingOverRc;
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SRCTemporal* pTemporalOverRc;
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} SWelsSvcRc;
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typedef void (*PWelsRCPictureInitFunc) (void* pCtx);
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typedef void (*PWelsRCPictureInfoUpdateFunc) (void* pCtx, int32_t iLayerSize);
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typedef void (*PWelsRCMBInfoUpdateFunc) (void* pCtx, SMB* pCurMb, int32_t iCostLuma, SSlice* pSlice);
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typedef void (*PWelsRCMBInitFunc) (void* pCtx, SMB* pCurMb, SSlice* pSlice);
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typedef struct WelsRcFunc_s {
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PWelsRCPictureInitFunc pfWelsRcPictureInit;
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PWelsRCPictureInfoUpdateFunc pfWelsRcPictureInfoUpdate;
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PWelsRCMBInitFunc pfWelsRcMbInit;
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PWelsRCMBInfoUpdateFunc pfWelsRcMbInfoUpdate;
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} SWelsRcFunc;
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void WelsRcInitModule (void* pCtx, int32_t iModule);
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void WelsRcFreeMemory (void* pCtx);
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}
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#endif //RC_H
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