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| 1 | +/*! | |
| 2 | + * \copy | |
| 3 | + * Copyright (c) 2013, Cisco Systems | |
| 4 | + * All rights reserved. | |
| 5 | + * | |
| 6 | + * Redistribution and use in source and binary forms, with or without | |
| 7 | + * modification, are permitted provided that the following conditions | |
| 8 | + * are met: | |
| 9 | + * | |
| 10 | + * * Redistributions of source code must retain the above copyright | |
| 11 | + * notice, this list of conditions and the following disclaimer. | |
| 12 | + * | |
| 13 | + * * Redistributions in binary form must reproduce the above copyright | |
| 14 | + * notice, this list of conditions and the following disclaimer in | |
| 15 | + * the documentation and/or other materials provided with the | |
| 16 | + * distribution. | |
| 17 | + * | |
| 18 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 21 | + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 22 | + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 23 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 24 | + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 25 | + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 26 | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 27 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 28 | + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | + * POSSIBILITY OF SUCH DAMAGE. | |
| 30 | + * | |
| 31 | + */ | |
| 32 | + | |
| 33 | +#include "ComplexityAnalysis.h" | |
| 34 | +#include "../common/cpu.h" | |
| 35 | + | |
| 36 | +WELSVP_NAMESPACE_BEGIN | |
| 37 | + | |
| 38 | + | |
| 39 | +/////////////////////////////////////////////////////////////////////////////////////////////////////////////// | |
| 40 | + | |
| 41 | +CComplexityAnalysis::CComplexityAnalysis (int32_t iCpuFlag) { | |
| 42 | + m_eMethod = METHOD_COMPLEXITY_ANALYSIS; | |
| 43 | + m_pfGomSad = NULL; | |
| 44 | + WelsMemset (&m_sComplexityAnalysisParam, 0, sizeof (m_sComplexityAnalysisParam)); | |
| 45 | +} | |
| 46 | + | |
| 47 | +CComplexityAnalysis::~CComplexityAnalysis() { | |
| 48 | +} | |
| 49 | + | |
| 50 | +EResult CComplexityAnalysis::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { | |
| 51 | + EResult eReturn = RET_SUCCESS; | |
| 52 | + | |
| 53 | + switch (m_sComplexityAnalysisParam.iComplexityAnalysisMode) { | |
| 54 | + case FRAME_SAD: | |
| 55 | + AnalyzeFrameComplexityViaSad (pSrcPixMap, pRefPixMap); | |
| 56 | + break; | |
| 57 | + case GOM_SAD: | |
| 58 | + AnalyzeGomComplexityViaSad (pSrcPixMap, pRefPixMap); | |
| 59 | + break; | |
| 60 | + case GOM_VAR: | |
| 61 | + AnalyzeGomComplexityViaVar (pSrcPixMap, pRefPixMap); | |
| 62 | + break; | |
| 63 | + default: | |
| 64 | + eReturn = RET_INVALIDPARAM; | |
| 65 | + break; | |
| 66 | + } | |
| 67 | + | |
| 68 | + return eReturn; | |
| 69 | +} | |
| 70 | + | |
| 71 | + | |
| 72 | +EResult CComplexityAnalysis::Set (int32_t iType, void* pParam) { | |
| 73 | + if (pParam == NULL) { | |
| 74 | + return RET_INVALIDPARAM; | |
| 75 | + } | |
| 76 | + | |
| 77 | + m_sComplexityAnalysisParam = * (SComplexityAnalysisParam*)pParam; | |
| 78 | + | |
| 79 | + return RET_SUCCESS; | |
| 80 | +} | |
| 81 | + | |
| 82 | +EResult CComplexityAnalysis::Get (int32_t iType, void* pParam) { | |
| 83 | + if (pParam == NULL) { | |
| 84 | + return RET_INVALIDPARAM; | |
| 85 | + } | |
| 86 | + | |
| 87 | + SComplexityAnalysisParam* sComplexityAnalysisParam = (SComplexityAnalysisParam*)pParam; | |
| 88 | + | |
| 89 | + sComplexityAnalysisParam->iFrameComplexity = m_sComplexityAnalysisParam.iFrameComplexity; | |
| 90 | + | |
| 91 | + return RET_SUCCESS; | |
| 92 | +} | |
| 93 | + | |
| 94 | + | |
| 95 | +/////////////////////////////////////////////////////////////////////////////////////////////// | |
| 96 | +void CComplexityAnalysis::AnalyzeFrameComplexityViaSad (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { | |
| 97 | + SVAACalcResult* pVaaCalcResults = NULL; | |
| 98 | + pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult; | |
| 99 | + | |
| 100 | + m_sComplexityAnalysisParam.iFrameComplexity = pVaaCalcResults->iFrameSad; | |
| 101 | + | |
| 102 | + if (m_sComplexityAnalysisParam.iCalcBgd) { //BGD control | |
| 103 | + m_sComplexityAnalysisParam.iFrameComplexity = (int32_t)GetFrameSadExcludeBackground (pSrcPixMap, pRefPixMap); | |
| 104 | + } | |
| 105 | +} | |
| 106 | + | |
| 107 | +int32_t CComplexityAnalysis::GetFrameSadExcludeBackground (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { | |
| 108 | + int32_t iWidth = pSrcPixMap->sRect.iRectWidth; | |
| 109 | + int32_t iHeight = pSrcPixMap->sRect.iRectHeight; | |
| 110 | + int32_t iMbWidth = iWidth >> 4; | |
| 111 | + int32_t iMbHeight = iHeight >> 4; | |
| 112 | + int32_t iMbNum = iMbWidth * iMbHeight; | |
| 113 | + | |
| 114 | + int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom; | |
| 115 | + int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom; | |
| 116 | + int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0; | |
| 117 | + | |
| 118 | + uint8_t* pBackgroundMbFlag = (uint8_t*)m_sComplexityAnalysisParam.pBackgroundMbFlag; | |
| 119 | + uint32_t* uiRefMbType = (uint32_t*)m_sComplexityAnalysisParam.uiRefMbType; | |
| 120 | + SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult; | |
| 121 | + int32_t* pGomForegroundBlockNum = m_sComplexityAnalysisParam.pGomForegroundBlockNum; | |
| 122 | + | |
| 123 | + uint32_t uiFrameSad = 0; | |
| 124 | + for (int32_t j = 0; j < iGomMbNum; j ++) { | |
| 125 | + iGomMbStartIndex = j * iMbNumInGom; | |
| 126 | + iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum); | |
| 127 | + | |
| 128 | + for (int32_t i = iGomMbStartIndex; i < iGomMbEndIndex; i ++) { | |
| 129 | + if (pBackgroundMbFlag[i] == 0 || IS_INTRA (uiRefMbType[i])) { | |
| 130 | + pGomForegroundBlockNum[j]++; | |
| 131 | + uiFrameSad += pVaaCalcResults->pSad8x8[i][0]; | |
| 132 | + uiFrameSad += pVaaCalcResults->pSad8x8[i][1]; | |
| 133 | + uiFrameSad += pVaaCalcResults->pSad8x8[i][2]; | |
| 134 | + uiFrameSad += pVaaCalcResults->pSad8x8[i][3]; | |
| 135 | + } | |
| 136 | + } | |
| 137 | + } | |
| 138 | + | |
| 139 | + return (uiFrameSad); | |
| 140 | +} | |
| 141 | + | |
| 142 | + | |
| 143 | +void InitGomSadFunc (PGOMSadFunc& pfGomSad, uint8_t iCalcBgd) { | |
| 144 | + pfGomSad = GomSampleSad; | |
| 145 | + | |
| 146 | + if (iCalcBgd) { | |
| 147 | + pfGomSad = GomSampleSadExceptBackground; | |
| 148 | + } | |
| 149 | +} | |
| 150 | + | |
| 151 | +void GomSampleSad (uint32_t* pGomSad, int32_t* pGomForegroundBlockNum, int32_t* pSad8x8, uint8_t pBackgroundMbFlag) { | |
| 152 | + (*pGomForegroundBlockNum) ++; | |
| 153 | + *pGomSad += pSad8x8[0]; | |
| 154 | + *pGomSad += pSad8x8[1]; | |
| 155 | + *pGomSad += pSad8x8[2]; | |
| 156 | + *pGomSad += pSad8x8[3]; | |
| 157 | +} | |
| 158 | + | |
| 159 | +void GomSampleSadExceptBackground (uint32_t* pGomSad, int32_t* pGomForegroundBlockNum, int32_t* pSad8x8, | |
| 160 | + uint8_t pBackgroundMbFlag) { | |
| 161 | + if (pBackgroundMbFlag == 0) { | |
| 162 | + (*pGomForegroundBlockNum) ++; | |
| 163 | + *pGomSad += pSad8x8[0]; | |
| 164 | + *pGomSad += pSad8x8[1]; | |
| 165 | + *pGomSad += pSad8x8[2]; | |
| 166 | + *pGomSad += pSad8x8[3]; | |
| 167 | + } | |
| 168 | +} | |
| 169 | + | |
| 170 | +void CComplexityAnalysis::AnalyzeGomComplexityViaSad (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { | |
| 171 | + int32_t iWidth = pSrcPixMap->sRect.iRectWidth; | |
| 172 | + int32_t iHeight = pSrcPixMap->sRect.iRectHeight; | |
| 173 | + int32_t iMbWidth = iWidth >> 4; | |
| 174 | + int32_t iMbHeight = iHeight >> 4; | |
| 175 | + int32_t iMbNum = iMbWidth * iMbHeight; | |
| 176 | + | |
| 177 | + int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom; | |
| 178 | + int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom; | |
| 179 | + | |
| 180 | + int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0, iGomMbRowNum = 0; | |
| 181 | + int32_t iMbStartIndex = 0, iMbEndIndex = 0; | |
| 182 | + int32_t iStartSampleIndex = 0; | |
| 183 | + | |
| 184 | + uint8_t* pBackgroundMbFlag = (uint8_t*)m_sComplexityAnalysisParam.pBackgroundMbFlag; | |
| 185 | + uint32_t* uiRefMbType = (uint32_t*)m_sComplexityAnalysisParam.uiRefMbType; | |
| 186 | + SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult; | |
| 187 | + int32_t* pGomForegroundBlockNum = (int32_t*)m_sComplexityAnalysisParam.pGomForegroundBlockNum; | |
| 188 | + int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity; | |
| 189 | + | |
| 190 | + uint8_t* pRefY = NULL, *pSrcY = NULL; | |
| 191 | + int32_t iRefStride = 0, iCurStride = 0; | |
| 192 | + | |
| 193 | + uint8_t* pRefTmp = NULL, *pCurTmp = NULL; | |
| 194 | + uint32_t uiGomSad = 0, uiFrameSad = 0; | |
| 195 | + | |
| 196 | + pRefY = (uint8_t*)pRefPixMap->pPixel[0]; | |
| 197 | + pSrcY = (uint8_t*)pSrcPixMap->pPixel[0]; | |
| 198 | + | |
| 199 | + iRefStride = pRefPixMap->iStride[0]; | |
| 200 | + iCurStride = pSrcPixMap->iStride[0]; | |
| 201 | + | |
| 202 | + InitGomSadFunc (m_pfGomSad, m_sComplexityAnalysisParam.iCalcBgd); | |
| 203 | + | |
| 204 | + for (int32_t j = 0; j < iGomMbNum; j ++) { | |
| 205 | + uiGomSad = 0; | |
| 206 | + | |
| 207 | + iGomMbStartIndex = j * iMbNumInGom; | |
| 208 | + iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum); | |
| 209 | + iGomMbRowNum = (iGomMbEndIndex + iMbWidth - 1) / iMbWidth - iGomMbStartIndex / iMbWidth; | |
| 210 | + | |
| 211 | + iMbStartIndex = iGomMbStartIndex; | |
| 212 | + iMbEndIndex = WELS_MIN ((iMbStartIndex / iMbWidth + 1) * iMbWidth, iGomMbEndIndex); | |
| 213 | + | |
| 214 | + iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iRefStride + (iMbStartIndex % iMbWidth) * | |
| 215 | + MB_WIDTH_LUMA; | |
| 216 | + | |
| 217 | + do { | |
| 218 | + pRefTmp = pRefY + iStartSampleIndex; | |
| 219 | + pCurTmp = pSrcY + iStartSampleIndex; | |
| 220 | + | |
| 221 | + for (int32_t i = iMbStartIndex; i < iMbEndIndex; i ++) { | |
| 222 | + m_pfGomSad (&uiGomSad, pGomForegroundBlockNum + j, pVaaCalcResults->pSad8x8[i], pBackgroundMbFlag[i] | |
| 223 | + && !IS_INTRA (uiRefMbType[i])); | |
| 224 | + } | |
| 225 | + | |
| 226 | + iMbStartIndex = iMbEndIndex; | |
| 227 | + iMbEndIndex = WELS_MIN (iMbEndIndex + iMbWidth , iGomMbEndIndex); | |
| 228 | + | |
| 229 | + iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iRefStride + (iMbStartIndex % iMbWidth) * | |
| 230 | + MB_WIDTH_LUMA; | |
| 231 | + | |
| 232 | + } while (--iGomMbRowNum); | |
| 233 | + | |
| 234 | + pGomComplexity[j] = uiGomSad; | |
| 235 | + uiFrameSad += pGomComplexity[j]; | |
| 236 | + } | |
| 237 | + | |
| 238 | + m_sComplexityAnalysisParam.iFrameComplexity = uiFrameSad; | |
| 239 | +} | |
| 240 | + | |
| 241 | + | |
| 242 | +void CComplexityAnalysis::AnalyzeGomComplexityViaVar (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { | |
| 243 | + int32_t iWidth = pSrcPixMap->sRect.iRectWidth; | |
| 244 | + int32_t iHeight = pSrcPixMap->sRect.iRectHeight; | |
| 245 | + int32_t iMbWidth = iWidth >> 4; | |
| 246 | + int32_t iMbHeight = iHeight >> 4; | |
| 247 | + int32_t iMbNum = iMbWidth * iMbHeight; | |
| 248 | + | |
| 249 | + int32_t iMbNumInGom = m_sComplexityAnalysisParam.iMbNumInGom; | |
| 250 | + int32_t iGomMbNum = (iMbNum + iMbNumInGom - 1) / iMbNumInGom; | |
| 251 | + int32_t iGomSampleNum = 0; | |
| 252 | + | |
| 253 | + int32_t iGomMbStartIndex = 0, iGomMbEndIndex = 0, iGomMbRowNum = 0; | |
| 254 | + int32_t iMbStartIndex = 0, iMbEndIndex = 0; | |
| 255 | + int32_t iStartSampleIndex = 0; | |
| 256 | + | |
| 257 | + SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult; | |
| 258 | + int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity; | |
| 259 | + | |
| 260 | + uint8_t* pSrcY = NULL; | |
| 261 | + int32_t iCurStride = 0; | |
| 262 | + | |
| 263 | + uint8_t* pCurTmp = NULL; | |
| 264 | + uint32_t uiSampleSum = 0, uiSquareSum = 0; | |
| 265 | + | |
| 266 | + pSrcY = (uint8_t*)pSrcPixMap->pPixel[0]; | |
| 267 | + iCurStride = pSrcPixMap->iStride[0]; | |
| 268 | + | |
| 269 | + for (int32_t j = 0; j < iGomMbNum; j ++) { | |
| 270 | + uiSampleSum = 0; | |
| 271 | + uiSquareSum = 0; | |
| 272 | + | |
| 273 | + iGomMbStartIndex = j * iMbNumInGom; | |
| 274 | + iGomMbEndIndex = WELS_MIN ((j + 1) * iMbNumInGom, iMbNum); | |
| 275 | + iGomMbRowNum = (iGomMbEndIndex + iMbWidth - 1) / iMbWidth - iGomMbStartIndex / iMbWidth; | |
| 276 | + | |
| 277 | + iMbStartIndex = iGomMbStartIndex; | |
| 278 | + iMbEndIndex = WELS_MIN ((iMbStartIndex / iMbWidth + 1) * iMbWidth, iGomMbEndIndex); | |
| 279 | + | |
| 280 | + iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iCurStride + (iMbStartIndex % iMbWidth) * | |
| 281 | + MB_WIDTH_LUMA; | |
| 282 | + iGomSampleNum = (iMbEndIndex - iMbStartIndex) * MB_WIDTH_LUMA * MB_WIDTH_LUMA; | |
| 283 | + | |
| 284 | + do { | |
| 285 | + pCurTmp = pSrcY + iStartSampleIndex; | |
| 286 | + | |
| 287 | + for (int32_t i = iMbStartIndex; i < iMbEndIndex; i ++) { | |
| 288 | + uiSampleSum += pVaaCalcResults->pSum16x16[i]; | |
| 289 | + uiSquareSum += pVaaCalcResults->pSumOfSquare16x16[i]; | |
| 290 | + } | |
| 291 | + | |
| 292 | + iMbStartIndex = iMbEndIndex; | |
| 293 | + iMbEndIndex = WELS_MIN (iMbEndIndex + iMbWidth, iGomMbEndIndex); | |
| 294 | + | |
| 295 | + iStartSampleIndex = (iMbStartIndex / iMbWidth) * MB_WIDTH_LUMA * iCurStride + (iMbStartIndex % iMbWidth) * | |
| 296 | + MB_WIDTH_LUMA; | |
| 297 | + } while (--iGomMbRowNum); | |
| 298 | + | |
| 299 | + pGomComplexity[j] = uiSquareSum - (uiSampleSum * uiSampleSum / iGomSampleNum); | |
| 300 | + } | |
| 301 | +} | |
| 302 | + | |
| 303 | + | |
| 304 | +WELSVP_NAMESPACE_END | |