/*! * \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 "denoise.h"#include "cpu.h" WELSVP_NAMESPACE_BEGIN #define CALC_BI_STRIDE(iWidth, iBitcount)  ((((iWidth) * (iBitcount) + 31) & ~31) >> 3) /////////////////////////////////////////////////////////////////////////////////////////////////////////////// CDenoiser::CDenoiser (int32_t iCpuFlag) {  m_CPUFlag = iCpuFlag;  m_eMethod   = METHOD_DENOISE;  WelsMemset (&m_pfDenoise, 0, sizeof (m_pfDenoise));   m_uiSpaceRadius = DENOISE_GRAY_RADIUS;  m_fSigmaGrey  = DENOISE_GRAY_SIGMA;  m_uiType      = DENOISE_ALL_COMPONENT;  InitDenoiseFunc (m_pfDenoise, m_CPUFlag);} CDenoiser::~CDenoiser() {} void CDenoiser::InitDenoiseFunc (SDenoiseFuncs& denoiser,  int32_t iCpuFlag) {  denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_c;  denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_c;#if defined(X86_ASM)  if (iCpuFlag & WELS_CPU_SSE2) {    denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_sse2;    denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_sse2;  }#endif} EResult CDenoiser::Process (int32_t iType, SPixMap* pSrc, SPixMap* dst) {  uint8_t* pSrcY = (uint8_t*)pSrc->pPixel[0];  uint8_t* pSrcU = (uint8_t*)pSrc->pPixel[1];  uint8_t* pSrcV = (uint8_t*)pSrc->pPixel[2];  if (pSrcY == NULL || pSrcU == NULL || pSrcV == NULL) {    return RET_INVALIDPARAM;  }   int32_t iWidthY = pSrc->sRect.iRectWidth;  int32_t iHeightY = pSrc->sRect.iRectHeight;  int32_t iWidthUV = iWidthY >> 1;  int32_t iHeightUV = iHeightY >> 1;   if (m_uiType & DENOISE_Y_COMPONENT)    BilateralDenoiseLuma (pSrcY, iWidthY, iHeightY, pSrc->iStride[0]);   if (m_uiType & DENOISE_U_COMPONENT)    WaverageDenoiseChroma (pSrcU, iWidthUV, iHeightUV, pSrc->iStride[1]);   if (m_uiType & DENOISE_V_COMPONENT)    WaverageDenoiseChroma (pSrcV, iWidthUV, iHeightUV, pSrc->iStride[2]);   return RET_SUCCESS;} void CDenoiser::BilateralDenoiseLuma (uint8_t* pSrcY, int32_t iWidth, int32_t iHeight, int32_t iStride) {  int32_t w;   pSrcY = pSrcY + m_uiSpaceRadius * iStride;  for (int32_t h = m_uiSpaceRadius; h < iHeight - m_uiSpaceRadius; h++) {    for (w = m_uiSpaceRadius; w < iWidth - m_uiSpaceRadius - TAIL_OF_LINE8; w += 8) {      m_pfDenoise.pfBilateralLumaFilter8 (pSrcY + w, iStride);    }    for (w = w + TAIL_OF_LINE8; w < iWidth - m_uiSpaceRadius; w++) {      Gauss3x3Filter (pSrcY + w, iStride);    }    pSrcY += iStride;  }} void CDenoiser::WaverageDenoiseChroma (uint8_t* pSrcUV, int32_t iWidth, int32_t iHeight, int32_t iStride) {  int32_t w;   pSrcUV = pSrcUV + UV_WINDOWS_RADIUS * iStride;  for (int32_t h = UV_WINDOWS_RADIUS; h < iHeight - UV_WINDOWS_RADIUS; h++) {    for (w = UV_WINDOWS_RADIUS; w < iWidth - UV_WINDOWS_RADIUS - TAIL_OF_LINE8; w += 8) {      m_pfDenoise.pfWaverageChromaFilter8 (pSrcUV + w, iStride);    }     for (w = w + TAIL_OF_LINE8; w < iWidth - UV_WINDOWS_RADIUS; w++) {      Gauss3x3Filter (pSrcUV + w, iStride);    }    pSrcUV += iStride;  }}  WELSVP_NAMESPACE_END