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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 "denoise.h" | ||
| 34 | #include "../common/cpu.h" | ||
| 35 | |||
| 36 | WELSVP_NAMESPACE_BEGIN | ||
| 37 | |||
| 38 | #define CALC_BI_STRIDE(iWidth, iBitcount) ((((iWidth) * (iBitcount) + 31) & ~31) >> 3) | ||
| 39 | |||
| 40 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| 41 | |||
| 42 | CDenoiser::CDenoiser (int32_t iCpuFlag) { | ||
| 43 | m_CPUFlag = iCpuFlag; | ||
| 44 | m_eMethod = METHOD_DENOISE; | ||
| 45 | WelsMemset (&m_pfDenoise, 0, sizeof (m_pfDenoise)); | ||
| 46 | |||
| 47 | m_uiSpaceRadius = DENOISE_GRAY_RADIUS; | ||
| 48 | m_fSigmaGrey = DENOISE_GRAY_SIGMA; | ||
| 49 | m_uiType = DENOISE_ALL_COMPONENT; | ||
| 50 | InitDenoiseFunc (m_pfDenoise, m_CPUFlag); | ||
| 51 | } | ||
| 52 | |||
| 53 | CDenoiser::~CDenoiser() { | ||
| 54 | } | ||
| 55 | |||
| 56 | void CDenoiser::InitDenoiseFunc (SDenoiseFuncs& denoiser, int32_t iCpuFlag) { | ||
| 57 | denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_c; | ||
| 58 | denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_c; | ||
| 59 | #if defined(X86_ASM) | ||
| 60 | if (iCpuFlag & WELS_CPU_SSE2) { | ||
| 61 | denoiser.pfBilateralLumaFilter8 = BilateralLumaFilter8_sse2; | ||
| 62 | denoiser.pfWaverageChromaFilter8 = WaverageChromaFilter8_sse2; | ||
| 63 | } | ||
| 64 | #endif | ||
| 65 | } | ||
| 66 | |||
| 67 | EResult CDenoiser::Process (int32_t iType, SPixMap* pSrc, SPixMap* dst) { | ||
| 68 | uint8_t* pSrcY = (uint8_t*)pSrc->pPixel[0]; | ||
| 69 | uint8_t* pSrcU = (uint8_t*)pSrc->pPixel[1]; | ||
| 70 | uint8_t* pSrcV = (uint8_t*)pSrc->pPixel[2]; | ||
| 71 | if (pSrcY == NULL || pSrcU == NULL || pSrcV == NULL) { | ||
| 72 | return RET_INVALIDPARAM; | ||
| 73 | } | ||
| 74 | |||
| 75 | int32_t iWidthY = pSrc->sRect.iRectWidth; | ||
| 76 | int32_t iHeightY = pSrc->sRect.iRectHeight; | ||
| 77 | int32_t iWidthUV = iWidthY >> 1; | ||
| 78 | int32_t iHeightUV = iHeightY >> 1; | ||
| 79 | |||
| 80 | if (m_uiType & DENOISE_Y_COMPONENT) | ||
| 81 | BilateralDenoiseLuma (pSrcY, iWidthY, iHeightY, pSrc->iStride[0]); | ||
| 82 | |||
| 83 | if (m_uiType & DENOISE_U_COMPONENT) | ||
| 84 | WaverageDenoiseChroma (pSrcU, iWidthUV, iHeightUV, pSrc->iStride[1]); | ||
| 85 | |||
| 86 | if (m_uiType & DENOISE_V_COMPONENT) | ||
| 87 | WaverageDenoiseChroma (pSrcV, iWidthUV, iHeightUV, pSrc->iStride[2]); | ||
| 88 | |||
| 89 | return RET_SUCCESS; | ||
| 90 | } | ||
| 91 | |||
| 92 | void CDenoiser::BilateralDenoiseLuma (uint8_t* pSrcY, int32_t iWidth, int32_t iHeight, int32_t iStride) { | ||
| 93 | int32_t w; | ||
| 94 | |||
| 95 | pSrcY = pSrcY + m_uiSpaceRadius * iStride; | ||
| 96 | for (int32_t h = m_uiSpaceRadius; h < iHeight - m_uiSpaceRadius; h++) { | ||
| 97 | for (w = m_uiSpaceRadius; w < iWidth - m_uiSpaceRadius - TAIL_OF_LINE8; w += 8) { | ||
| 98 | m_pfDenoise.pfBilateralLumaFilter8 (pSrcY + w, iStride); | ||
| 99 | } | ||
| 100 | for (w = w + TAIL_OF_LINE8; w < iWidth - m_uiSpaceRadius; w++) { | ||
| 101 | Gauss3x3Filter (pSrcY + w, iStride); | ||
| 102 | } | ||
| 103 | pSrcY += iStride; | ||
| 104 | } | ||
| 105 | } | ||
| 106 | |||
| 107 | void CDenoiser::WaverageDenoiseChroma (uint8_t* pSrcUV, int32_t iWidth, int32_t iHeight, int32_t iStride) { | ||
| 108 | int32_t w; | ||
| 109 | |||
| 110 | pSrcUV = pSrcUV + UV_WINDOWS_RADIUS * iStride; | ||
| 111 | for (int32_t h = UV_WINDOWS_RADIUS; h < iHeight - UV_WINDOWS_RADIUS; h++) { | ||
| 112 | for (w = UV_WINDOWS_RADIUS; w < iWidth - UV_WINDOWS_RADIUS - TAIL_OF_LINE8; w += 8) { | ||
| 113 | m_pfDenoise.pfWaverageChromaFilter8 (pSrcUV + w, iStride); | ||
| 114 | } | ||
| 115 | |||
| 116 | for (w = w + TAIL_OF_LINE8; w < iWidth - UV_WINDOWS_RADIUS; w++) { | ||
| 117 | Gauss3x3Filter (pSrcUV + w, iStride); | ||
| 118 | } | ||
| 119 | pSrcUV += iStride; | ||
| 120 | } | ||
| 121 | } | ||
| 122 | |||
| 123 | |||
| 124 | WELSVP_NAMESPACE_END | ||