Showing the changes to codec/processing/src/complexityanalysis/ComplexityAnalysis.cpp (1 of 124 files). Show all
Unified · Split
| @@ -0,0 +1,304 @@ | |||
| 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 | ||