125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
/*!
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* \copy
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* Copyright (c) 2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "denoise.h"
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#include "cpu.h"
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WELSVP_NAMESPACE_BEGIN
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#define CALC_BI_STRIDE(iWidth, iBitcount) ((((iWidth) * (iBitcount) + 31) & ~31) >> 3)
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////
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CDenoiser::CDenoiser (int32_t iCpuFlag) {
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m_CPUFlag = iCpuFlag;
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m_eMethod = METHOD_DENOISE;
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WelsMemset (&m_pfDenoise, 0, sizeof (m_pfDenoise));
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m_uiSpaceRadius = DENOISE_GRAY_RADIUS;
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m_fSigmaGrey = DENOISE_GRAY_SIGMA;
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m_uiType = DENOISE_ALL_COMPONENT;
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InitDenoiseFunc (m_pfDenoise, m_CPUFlag);
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}
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CDenoiser::~CDenoiser() {
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}
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void CDenoiser::InitDenoiseFunc (SDenoiseFuncs& denoiser, int32_t iCpuFlag) {
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denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_c;
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denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_c;
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#if defined(X86_ASM)
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if (iCpuFlag & WELS_CPU_SSE2) {
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denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_sse2;
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denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_sse2;
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}
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#endif
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}
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EResult CDenoiser::Process (int32_t iType, SPixMap* pSrc, SPixMap* dst) {
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uint8_t* pSrcY = (uint8_t*)pSrc->pPixel[0];
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uint8_t* pSrcU = (uint8_t*)pSrc->pPixel[1];
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uint8_t* pSrcV = (uint8_t*)pSrc->pPixel[2];
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if (pSrcY == NULL || pSrcU == NULL || pSrcV == NULL) {
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return RET_INVALIDPARAM;
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}
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int32_t iWidthY = pSrc->sRect.iRectWidth;
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int32_t iHeightY = pSrc->sRect.iRectHeight;
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int32_t iWidthUV = iWidthY >> 1;
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int32_t iHeightUV = iHeightY >> 1;
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if (m_uiType & DENOISE_Y_COMPONENT)
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BilateralDenoiseLuma (pSrcY, iWidthY, iHeightY, pSrc->iStride[0]);
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if (m_uiType & DENOISE_U_COMPONENT)
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WaverageDenoiseChroma (pSrcU, iWidthUV, iHeightUV, pSrc->iStride[1]);
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if (m_uiType & DENOISE_V_COMPONENT)
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WaverageDenoiseChroma (pSrcV, iWidthUV, iHeightUV, pSrc->iStride[2]);
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return RET_SUCCESS;
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}
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void CDenoiser::BilateralDenoiseLuma (uint8_t* pSrcY, int32_t iWidth, int32_t iHeight, int32_t iStride) {
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int32_t w;
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pSrcY = pSrcY + m_uiSpaceRadius * iStride;
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for (int32_t h = m_uiSpaceRadius; h < iHeight - m_uiSpaceRadius; h++) {
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for (w = m_uiSpaceRadius; w < iWidth - m_uiSpaceRadius - TAIL_OF_LINE8; w += 8) {
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m_pfDenoise.pfBilateralLumaFilter8 (pSrcY + w, iStride);
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}
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for (w = w + TAIL_OF_LINE8; w < iWidth - m_uiSpaceRadius; w++) {
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Gauss3x3Filter (pSrcY + w, iStride);
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}
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pSrcY += iStride;
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}
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}
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void CDenoiser::WaverageDenoiseChroma (uint8_t* pSrcUV, int32_t iWidth, int32_t iHeight, int32_t iStride) {
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int32_t w;
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pSrcUV = pSrcUV + UV_WINDOWS_RADIUS * iStride;
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for (int32_t h = UV_WINDOWS_RADIUS; h < iHeight - UV_WINDOWS_RADIUS; h++) {
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for (w = UV_WINDOWS_RADIUS; w < iWidth - UV_WINDOWS_RADIUS - TAIL_OF_LINE8; w += 8) {
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m_pfDenoise.pfWaverageChromaFilter8 (pSrcUV + w, iStride);
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}
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for (w = w + TAIL_OF_LINE8; w < iWidth - UV_WINDOWS_RADIUS; w++) {
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Gauss3x3Filter (pSrcUV + w, iStride);
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}
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pSrcUV += iStride;
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}
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}
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WELSVP_NAMESPACE_END
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