ref: d2afebd2d7cf7042f6e41f4d94199b6cfdf8d46e
dir: /codec/processing/src/adaptivequantization/AdaptiveQuantization.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 "AdaptiveQuantization.h" #include "macros.h" WELSVP_NAMESPACE_BEGIN #define AVERAGE_TIME_MOTION (3000) //0.3046875 // 1/4 + 1/16 - 1/128 ~ 0.3 *AQ_TIME_INT_MULTIPLY #define AVERAGE_TIME_TEXTURE_QUALITYMODE (10000) //0.5 // 1/2 *AQ_TIME_INT_MULTIPLY #define AVERAGE_TIME_TEXTURE_BITRATEMODE (8750) //0.5 // 1/2 *AQ_TIME_INT_MULTIPLY #define MODEL_ALPHA (9910) //1.5 //1.1102 *AQ_TIME_INT_MULTIPLY #define MODEL_TIME (58185) //9.0 //5.9842 *AQ_TIME_INT_MULTIPLY /////////////////////////////////////////////////////////////////////////////////////////////////////////////// CAdaptiveQuantization::CAdaptiveQuantization (int32_t iCpuFlag) { m_CPUFlag = iCpuFlag; m_eMethod = METHOD_ADAPTIVE_QUANT; m_pfVar = NULL; WelsMemset (&m_sAdaptiveQuantParam, 0, sizeof (m_sAdaptiveQuantParam)); WelsInitVarFunc (m_pfVar, m_CPUFlag); } CAdaptiveQuantization::~CAdaptiveQuantization() { } EResult CAdaptiveQuantization::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { EResult eReturn = RET_INVALIDPARAM; int32_t iWidth = pSrcPixMap->sRect.iRectWidth; int32_t iHeight = pSrcPixMap->sRect.iRectHeight; int32_t iMbWidth = iWidth >> 4; int32_t iMbHeight = iHeight >> 4; int32_t iMbTotalNum = iMbWidth * iMbHeight; SMotionTextureUnit* pMotionTexture = NULL; SVAACalcResult* pVaaCalcResults = NULL; int32_t iMotionTextureIndexToDeltaQp = 0; int32_t iAverMotionTextureIndexToDeltaQp = 0; // double to uint32 int64_t iAverageMotionIndex = 0; // double to float int64_t iAverageTextureIndex = 0; int64_t iQStep = 0; int64_t iLumaMotionDeltaQp = 0; int64_t iLumaTextureDeltaQp = 0; uint8_t* pRefFrameY = NULL, *pCurFrameY = NULL; int32_t iRefStride = 0, iCurStride = 0; uint8_t* pRefFrameTmp = NULL, *pCurFrameTmp = NULL; int32_t i = 0, j = 0; pRefFrameY = (uint8_t*)pRefPixMap->pPixel[0]; pCurFrameY = (uint8_t*)pSrcPixMap->pPixel[0]; iRefStride = pRefPixMap->iStride[0]; iCurStride = pSrcPixMap->iStride[0]; /////////////////////////////////////// motion ////////////////////////////////// // motion MB residual variance iAverageMotionIndex = 0; iAverageTextureIndex = 0; pMotionTexture = m_sAdaptiveQuantParam.pMotionTextureUnit; pVaaCalcResults = m_sAdaptiveQuantParam.pCalcResult; if (pVaaCalcResults->pRefY == pRefFrameY && pVaaCalcResults->pCurY == pCurFrameY) { int32_t iMbIndex = 0; int32_t iSumDiff, iSQDiff, uiSum, iSQSum; for (j = 0; j < iMbHeight; j ++) { pRefFrameTmp = pRefFrameY; pCurFrameTmp = pCurFrameY; for (i = 0; i < iMbWidth; i++) { iSumDiff = pVaaCalcResults->pSad8x8[iMbIndex][0]; iSumDiff += pVaaCalcResults->pSad8x8[iMbIndex][1]; iSumDiff += pVaaCalcResults->pSad8x8[iMbIndex][2]; iSumDiff += pVaaCalcResults->pSad8x8[iMbIndex][3]; iSQDiff = pVaaCalcResults->pSsd16x16[iMbIndex]; uiSum = pVaaCalcResults->pSum16x16[iMbIndex]; iSQSum = pVaaCalcResults->pSumOfSquare16x16[iMbIndex]; iSumDiff = iSumDiff >> 8; pMotionTexture->uiMotionIndex = (iSQDiff >> 8) - (iSumDiff * iSumDiff); uiSum = uiSum >> 8; pMotionTexture->uiTextureIndex = (iSQSum >> 8) - (uiSum * uiSum); iAverageMotionIndex += pMotionTexture->uiMotionIndex; iAverageTextureIndex += pMotionTexture->uiTextureIndex; pMotionTexture++; ++iMbIndex; pRefFrameTmp += MB_WIDTH_LUMA; pCurFrameTmp += MB_WIDTH_LUMA; } pRefFrameY += (iRefStride) << 4; pCurFrameY += (iCurStride) << 4; } } else { for (j = 0; j < iMbHeight; j ++) { pRefFrameTmp = pRefFrameY; pCurFrameTmp = pCurFrameY; for (i = 0; i < iMbWidth; i++) { m_pfVar (pRefFrameTmp, iRefStride, pCurFrameTmp, iCurStride, pMotionTexture); iAverageMotionIndex += pMotionTexture->uiMotionIndex; iAverageTextureIndex += pMotionTexture->uiTextureIndex; pMotionTexture++; pRefFrameTmp += MB_WIDTH_LUMA; pCurFrameTmp += MB_WIDTH_LUMA; } pRefFrameY += (iRefStride) << 4; pCurFrameY += (iCurStride) << 4; } } iAverageMotionIndex = WELS_DIV_ROUND64 (iAverageMotionIndex * AQ_INT_MULTIPLY, iMbTotalNum); iAverageTextureIndex = WELS_DIV_ROUND64 (iAverageTextureIndex * AQ_INT_MULTIPLY, iMbTotalNum); if ((iAverageMotionIndex <= AQ_PESN) && (iAverageMotionIndex >= -AQ_PESN)) { iAverageMotionIndex = AQ_INT_MULTIPLY; } if ((iAverageTextureIndex <= AQ_PESN) && (iAverageTextureIndex >= -AQ_PESN)) { iAverageTextureIndex = AQ_INT_MULTIPLY; } // motion mb residual map to QP // texture mb original map to QP iAverMotionTextureIndexToDeltaQp = 0; iAverageMotionIndex = WELS_DIV_ROUND64 (AVERAGE_TIME_MOTION * iAverageMotionIndex, AQ_TIME_INT_MULTIPLY); if (m_sAdaptiveQuantParam.iAdaptiveQuantMode == AQ_QUALITY_MODE) { iAverageTextureIndex = WELS_DIV_ROUND64 (AVERAGE_TIME_TEXTURE_QUALITYMODE * iAverageTextureIndex, AQ_TIME_INT_MULTIPLY); } else { iAverageTextureIndex = WELS_DIV_ROUND64 (AVERAGE_TIME_TEXTURE_BITRATEMODE * iAverageTextureIndex, AQ_TIME_INT_MULTIPLY); } int64_t iAQ_EPSN = - ((int64_t)AQ_PESN * AQ_TIME_INT_MULTIPLY * AQ_QSTEP_INT_MULTIPLY / AQ_INT_MULTIPLY); pMotionTexture = m_sAdaptiveQuantParam.pMotionTextureUnit; for (j = 0; j < iMbHeight; j ++) { for (i = 0; i < iMbWidth; i++) { int64_t a = WELS_DIV_ROUND64 ((int64_t) (pMotionTexture->uiTextureIndex) * AQ_INT_MULTIPLY * AQ_TIME_INT_MULTIPLY, iAverageTextureIndex); iQStep = WELS_DIV_ROUND64 ((a - AQ_TIME_INT_MULTIPLY) * AQ_QSTEP_INT_MULTIPLY, (a + MODEL_ALPHA)); iLumaTextureDeltaQp = MODEL_TIME * iQStep;// range +- 6 iMotionTextureIndexToDeltaQp = ((int32_t) (iLumaTextureDeltaQp / (AQ_TIME_INT_MULTIPLY))); a = WELS_DIV_ROUND64 (((int64_t)pMotionTexture->uiMotionIndex) * AQ_INT_MULTIPLY * AQ_TIME_INT_MULTIPLY, iAverageMotionIndex); iQStep = WELS_DIV_ROUND64 ((a - AQ_TIME_INT_MULTIPLY) * AQ_QSTEP_INT_MULTIPLY, (a + MODEL_ALPHA)); iLumaMotionDeltaQp = MODEL_TIME * iQStep;// range +- 6 if ((m_sAdaptiveQuantParam.iAdaptiveQuantMode == AQ_QUALITY_MODE && iLumaMotionDeltaQp < iAQ_EPSN) || (m_sAdaptiveQuantParam.iAdaptiveQuantMode == AQ_BITRATE_MODE)) { iMotionTextureIndexToDeltaQp += ((int32_t) (iLumaMotionDeltaQp / (AQ_TIME_INT_MULTIPLY))); } m_sAdaptiveQuantParam.pMotionTextureIndexToDeltaQp[j * iMbWidth + i] = (int8_t) (iMotionTextureIndexToDeltaQp / AQ_QSTEP_INT_MULTIPLY); iAverMotionTextureIndexToDeltaQp += iMotionTextureIndexToDeltaQp; pMotionTexture++; } } m_sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp = iAverMotionTextureIndexToDeltaQp / iMbTotalNum; eReturn = RET_SUCCESS; return eReturn; } EResult CAdaptiveQuantization::Set (int32_t iType, void* pParam) { if (pParam == NULL) { return RET_INVALIDPARAM; } m_sAdaptiveQuantParam = * (SAdaptiveQuantizationParam*)pParam; return RET_SUCCESS; } EResult CAdaptiveQuantization::Get (int32_t iType, void* pParam) { if (pParam == NULL) { return RET_INVALIDPARAM; } SAdaptiveQuantizationParam* sAdaptiveQuantParam = (SAdaptiveQuantizationParam*)pParam; sAdaptiveQuantParam->iAverMotionTextureIndexToDeltaQp = m_sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp; return RET_SUCCESS; } /////////////////////////////////////////////////////////////////////////////////////////////// void CAdaptiveQuantization::WelsInitVarFunc (PVarFunc& pfVar, int32_t iCpuFlag) { pfVar = SampleVariance16x16_c; #ifdef X86_ASM if (iCpuFlag & WELS_CPU_SSE2) { pfVar = SampleVariance16x16_sse2; } #endif #ifdef HAVE_NEON if (iCpuFlag & WELS_CPU_NEON) { pfVar = SampleVariance16x16_neon; } #endif } void SampleVariance16x16_c (uint8_t* pRefY, int32_t iRefStride, uint8_t* pSrcY, int32_t iSrcStride, SMotionTextureUnit* pMotionTexture) { uint32_t uiCurSquare = 0, uiSquare = 0; uint16_t uiCurSum = 0, uiSum = 0; for (int32_t y = 0; y < MB_WIDTH_LUMA; y++) { for (int32_t x = 0; x < MB_WIDTH_LUMA; x++) { uint32_t uiDiff = WELS_ABS (pRefY[x] - pSrcY[x]); uiSum += uiDiff; uiSquare += uiDiff * uiDiff; uiCurSum += pSrcY[x]; uiCurSquare += pSrcY[x] * pSrcY[x]; } pRefY += iRefStride; pSrcY += iSrcStride; } uiSum = uiSum >> 8; pMotionTexture->uiMotionIndex = (uiSquare >> 8) - (uiSum * uiSum); uiCurSum = uiCurSum >> 8; pMotionTexture->uiTextureIndex = (uiCurSquare >> 8) - (uiCurSum * uiCurSum); } WELSVP_NAMESPACE_END