ref: ce448a21d771fd2ecb8239821ad8f88875115d3b
dir: /codec/processing/src/complexityanalysis/ComplexityAnalysis.cpp/
/*!
* \copy
* Copyright (c) 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.
*
*/
#include "ComplexityAnalysis.h"
WELSVP_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
CComplexityAnalysis::CComplexityAnalysis (int32_t iCpuFlag) {
m_eMethod = METHOD_COMPLEXITY_ANALYSIS;
m_pfGomSad = NULL;
WelsMemset (&m_sComplexityAnalysisParam, 0, sizeof (m_sComplexityAnalysisParam));
}
CComplexityAnalysis::~CComplexityAnalysis() {
}
EResult CComplexityAnalysis::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
EResult eReturn = RET_SUCCESS;
switch (m_sComplexityAnalysisParam.iComplexityAnalysisMode) {
case FRAME_SAD:
AnalyzeFrameComplexityViaSad (pSrcPixMap, pRefPixMap);
break;
case GOM_SAD:
AnalyzeGomComplexityViaSad (pSrcPixMap, pRefPixMap);
break;
case GOM_VAR:
AnalyzeGomComplexityViaVar (pSrcPixMap, pRefPixMap);
break;
default:
eReturn = RET_INVALIDPARAM;
break;
}
return eReturn;
}
EResult CComplexityAnalysis::Set (int32_t iType, void* pParam) {
if (pParam == NULL) {
return RET_INVALIDPARAM;
}
m_sComplexityAnalysisParam = * (SComplexityAnalysisParam*)pParam;
return RET_SUCCESS;
}
EResult CComplexityAnalysis::Get (int32_t iType, void* pParam) {
if (pParam == NULL) {
return RET_INVALIDPARAM;
}
SComplexityAnalysisParam* sComplexityAnalysisParam = (SComplexityAnalysisParam*)pParam;
sComplexityAnalysisParam->iFrameComplexity = m_sComplexityAnalysisParam.iFrameComplexity;
return RET_SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////////////////////
void CComplexityAnalysis::AnalyzeFrameComplexityViaSad (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
SVAACalcResult* pVaaCalcResults = NULL;
pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult;
m_sComplexityAnalysisParam.iFrameComplexity = pVaaCalcResults->iFrameSad;
if (m_sComplexityAnalysisParam.iCalcBgd) { //BGD control
m_sComplexityAnalysisParam.iFrameComplexity = (int32_t)GetFrameSadExcludeBackground (pSrcPixMap, pRefPixMap);
}
}
int32_t CComplexityAnalysis::GetFrameSadExcludeBackground (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
int32_t iWidth = pSrcPixMap->sRect.iRectWidth;
int32_t iHeight = pSrcPixMap->sRect.iRectHeight;
int32_t iMbWidth = iWidth >> 4;
int32_t iMbHeight = iHeight >> 4;
int32_t iMbNum = iMbWidth * iMbHeight;
int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom;
int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom;
int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0;
uint8_t* pBackgroundMbFlag = (uint8_t*)m_sComplexityAnalysisParam.pBackgroundMbFlag;
uint32_t* uiRefMbType = (uint32_t*)m_sComplexityAnalysisParam.uiRefMbType;
SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult;
int32_t* pGomForegroundBlockNum = m_sComplexityAnalysisParam.pGomForegroundBlockNum;
uint32_t uiFrameSad = 0;
for (int32_t j = 0; j < iGomMbNum; j ++) {
iGomMbStartIndex = j * iMbNumInGom;
iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum);
for (int32_t i = iGomMbStartIndex; i < iGomMbEndIndex; i ++) {
if (pBackgroundMbFlag[i] == 0 || IS_INTRA (uiRefMbType[i])) {
pGomForegroundBlockNum[j]++;
uiFrameSad += pVaaCalcResults->pSad8x8[i][0];
uiFrameSad += pVaaCalcResults->pSad8x8[i][1];
uiFrameSad += pVaaCalcResults->pSad8x8[i][2];
uiFrameSad += pVaaCalcResults->pSad8x8[i][3];
}
}
}
return (uiFrameSad);
}
void InitGomSadFunc (PGOMSadFunc& pfGomSad, uint8_t iCalcBgd) {
pfGomSad = GomSampleSad;
if (iCalcBgd) {
pfGomSad = GomSampleSadExceptBackground;
}
}
void GomSampleSad (uint32_t* pGomSad, int32_t* pGomForegroundBlockNum, int32_t* pSad8x8, uint8_t pBackgroundMbFlag) {
(*pGomForegroundBlockNum) ++;
*pGomSad += pSad8x8[0];
*pGomSad += pSad8x8[1];
*pGomSad += pSad8x8[2];
*pGomSad += pSad8x8[3];
}
void GomSampleSadExceptBackground (uint32_t* pGomSad, int32_t* pGomForegroundBlockNum, int32_t* pSad8x8,
uint8_t pBackgroundMbFlag) {
if (pBackgroundMbFlag == 0) {
(*pGomForegroundBlockNum) ++;
*pGomSad += pSad8x8[0];
*pGomSad += pSad8x8[1];
*pGomSad += pSad8x8[2];
*pGomSad += pSad8x8[3];
}
}
void CComplexityAnalysis::AnalyzeGomComplexityViaSad (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
int32_t iWidth = pSrcPixMap->sRect.iRectWidth;
int32_t iHeight = pSrcPixMap->sRect.iRectHeight;
int32_t iMbWidth = iWidth >> 4;
int32_t iMbHeight = iHeight >> 4;
int32_t iMbNum = iMbWidth * iMbHeight;
int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom;
int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom;
int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0, iGomMbRowNum = 0;
int32_t iMbStartIndex = 0, iMbEndIndex = 0;
int32_t iStartSampleIndex = 0;
uint8_t* pBackgroundMbFlag = (uint8_t*)m_sComplexityAnalysisParam.pBackgroundMbFlag;
uint32_t* uiRefMbType = (uint32_t*)m_sComplexityAnalysisParam.uiRefMbType;
SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult;
int32_t* pGomForegroundBlockNum = (int32_t*)m_sComplexityAnalysisParam.pGomForegroundBlockNum;
int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity;
uint8_t* pRefY = NULL, *pSrcY = NULL;
int32_t iRefStride = 0, iCurStride = 0;
uint8_t* pRefTmp = NULL, *pCurTmp = NULL;
uint32_t uiGomSad = 0, uiFrameSad = 0;
pRefY = (uint8_t*)pRefPixMap->pPixel[0];
pSrcY = (uint8_t*)pSrcPixMap->pPixel[0];
iRefStride = pRefPixMap->iStride[0];
iCurStride = pSrcPixMap->iStride[0];
InitGomSadFunc (m_pfGomSad, m_sComplexityAnalysisParam.iCalcBgd);
for (int32_t j = 0; j < iGomMbNum; j ++) {
uiGomSad = 0;
iGomMbStartIndex = j * iMbNumInGom;
iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum);
iGomMbRowNum = (iGomMbEndIndex + iMbWidth - 1) / iMbWidth - iGomMbStartIndex / iMbWidth;
iMbStartIndex = iGomMbStartIndex;
iMbEndIndex = WELS_MIN ((iMbStartIndex / iMbWidth + 1) * iMbWidth, iGomMbEndIndex);
iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iRefStride + (iMbStartIndex % iMbWidth) *
MB_WIDTH_LUMA;
do {
pRefTmp = pRefY + iStartSampleIndex;
pCurTmp = pSrcY + iStartSampleIndex;
for (int32_t i = iMbStartIndex; i < iMbEndIndex; i ++) {
m_pfGomSad (&uiGomSad, pGomForegroundBlockNum + j, pVaaCalcResults->pSad8x8[i], pBackgroundMbFlag[i]
&& !IS_INTRA (uiRefMbType[i]));
}
iMbStartIndex = iMbEndIndex;
iMbEndIndex = WELS_MIN (iMbEndIndex + iMbWidth , iGomMbEndIndex);
iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iRefStride + (iMbStartIndex % iMbWidth) *
MB_WIDTH_LUMA;
} while (--iGomMbRowNum);
pGomComplexity[j] = uiGomSad;
uiFrameSad += pGomComplexity[j];
}
m_sComplexityAnalysisParam.iFrameComplexity = uiFrameSad;
}
void CComplexityAnalysis::AnalyzeGomComplexityViaVar (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
int32_t iWidth = pSrcPixMap->sRect.iRectWidth;
int32_t iHeight = pSrcPixMap->sRect.iRectHeight;
int32_t iMbWidth = iWidth >> 4;
int32_t iMbHeight = iHeight >> 4;
int32_t iMbNum = iMbWidth * iMbHeight;
int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom;
int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom;
int32_t iGomSampleNum = 0;
int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0, iGomMbRowNum = 0;
int32_t iMbStartIndex = 0, iMbEndIndex = 0;
int32_t iStartSampleIndex = 0;
SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult;
int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity;
uint8_t* pSrcY = NULL;
int32_t iCurStride = 0;
uint8_t* pCurTmp = NULL;
uint32_t uiSampleSum = 0, uiSquareSum = 0;
pSrcY = (uint8_t*)pSrcPixMap->pPixel[0];
iCurStride = pSrcPixMap->iStride[0];
for (int32_t j = 0; j < iGomMbNum; j ++) {
uiSampleSum = 0;
uiSquareSum = 0;
iGomMbStartIndex = j * iMbNumInGom;
iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum);
iGomMbRowNum = (iGomMbEndIndex + iMbWidth - 1) / iMbWidth - iGomMbStartIndex / iMbWidth;
iMbStartIndex = iGomMbStartIndex;
iMbEndIndex = WELS_MIN ((iMbStartIndex / iMbWidth + 1) * iMbWidth, iGomMbEndIndex);
iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iCurStride + (iMbStartIndex % iMbWidth) *
MB_WIDTH_LUMA;
iGomSampleNum = (iMbEndIndex - iMbStartIndex) * MB_WIDTH_LUMA * MB_WIDTH_LUMA;
do {
pCurTmp = pSrcY + iStartSampleIndex;
for (int32_t i = iMbStartIndex; i < iMbEndIndex; i ++) {
uiSampleSum += pVaaCalcResults->pSum16x16[i];
uiSquareSum += pVaaCalcResults->pSumOfSquare16x16[i];
}
iMbStartIndex = iMbEndIndex;
iMbEndIndex = WELS_MIN (iMbEndIndex + iMbWidth, iGomMbEndIndex);
iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iCurStride + (iMbStartIndex % iMbWidth) *
MB_WIDTH_LUMA;
} while (--iGomMbRowNum);
pGomComplexity[j] = uiSquareSum - (uiSampleSum * uiSampleSum / iGomSampleNum);
}
}
WELSVP_NAMESPACE_END