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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 | ||
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| 1 | /*! | ||
| 2 | * \copy | ||
| 3 | * Copyright (c) 2011-2013, 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 | * \file : denoise.h | ||
| 32 | * | ||
| 33 | * \brief : denoise class of wels video processor class | ||
| 34 | * | ||
| 35 | * \date : 2011/03/15 | ||
| 36 | * | ||
| 37 | * \description : 1. rewrite the package code of denoise class | ||
| 38 | * | ||
| 39 | ************************************************************************************* | ||
| 40 | */ | ||
| 41 | |||
| 42 | #ifndef WELSVP_DENOISE_H | ||
| 43 | #define WELSVP_DENOISE_H | ||
| 44 | |||
| 45 | #include "../common/util.h" | ||
| 46 | #include "../common/memory.h" | ||
| 47 | #include "../common/WelsFrameWork.h" | ||
| 48 | #include "../../interface/IWelsVP.h" | ||
| 49 | |||
| 50 | |||
| 51 | #define DENOISE_GRAY_RADIUS (1) | ||
| 52 | #define DENOISE_GRAY_SIGMA (2) | ||
| 53 | |||
| 54 | #define UV_WINDOWS_RADIUS (2) | ||
| 55 | #define TAIL_OF_LINE8 (7) | ||
| 56 | |||
| 57 | #define DENOISE_Y_COMPONENT (1) | ||
| 58 | #define DENOISE_U_COMPONENT (2) | ||
| 59 | #define DENOISE_V_COMPONENT (4) | ||
| 60 | #define DENOISE_ALL_COMPONENT (7) | ||
| 61 | |||
| 62 | |||
| 63 | WELSVP_NAMESPACE_BEGIN | ||
| 64 | |||
| 65 | void Gauss3x3Filter (uint8_t* pixels, int32_t stride); | ||
| 66 | |||
| 67 | typedef void (DenoiseFilterFunc) (uint8_t* pixels, int32_t stride); | ||
| 68 | |||
| 69 | typedef DenoiseFilterFunc* DenoiseFilterFuncPtr; | ||
| 70 | |||
| 71 | DenoiseFilterFunc BilateralLumaFilter8_c; | ||
| 72 | DenoiseFilterFunc WaverageChromaFilter8_c; | ||
| 73 | |||
| 74 | #ifdef X86_ASM | ||
| 75 | WELSVP_EXTERN_C_BEGIN | ||
| 76 | DenoiseFilterFunc BilateralLumaFilter8_sse2 ; | ||
| 77 | DenoiseFilterFunc WaverageChromaFilter8_sse2 ; | ||
| 78 | WELSVP_EXTERN_C_END | ||
| 79 | #endif | ||
| 80 | |||
| 81 | typedef struct TagDenoiseFuncs { | ||
| 82 | DenoiseFilterFuncPtr pfBilateralLumaFilter8;//on 8 samples | ||
| 83 | DenoiseFilterFuncPtr pfWaverageChromaFilter8;//on 8 samples | ||
| 84 | } SDenoiseFuncs; | ||
| 85 | |||
| 86 | class CDenoiser : public IStrategy { | ||
| 87 | public: | ||
| 88 | CDenoiser (int32_t iCpuFlag); | ||
| 89 | ~CDenoiser(); | ||
| 90 | |||
| 91 | EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* dst); | ||
| 92 | |||
| 93 | private: | ||
| 94 | void InitDenoiseFunc (SDenoiseFuncs& pf, int32_t cpu); | ||
| 95 | void BilateralDenoiseLuma (uint8_t* p_y_data, int32_t width, int32_t height, int32_t stride); | ||
| 96 | void WaverageDenoiseChroma (uint8_t* pSrcUV, int32_t width, int32_t height, int32_t stride); | ||
| 97 | |||
| 98 | private: | ||
| 99 | float_t m_fSigmaGrey; //sigma for grey scale similarity, suggestion 2.5-3 | ||
| 100 | uint32_t m_uiFilterWindow; //filter window diameter | ||
| 101 | uint16_t m_uiSpaceRadius; //filter windows radius: 1-3x3, 2-5x5,3-7x7. Larger size, slower speed | ||
| 102 | uint16_t m_uiType; //do denoising on which component 1-Y, 2-U, 4-V; 7-YUV, 3-YU, 5-YV, 6-UV | ||
| 103 | uint32_t* m_pGreyWeightTable; //weight table for grey scale | ||
| 104 | |||
| 105 | SDenoiseFuncs m_pfDenoise; | ||
| 106 | int32_t m_CPUFlag; | ||
| 107 | }; | ||
| 108 | |||
| 109 | WELSVP_NAMESPACE_END | ||
| 110 | |||
| 111 | #endif | ||
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| 1 | /*! | ||
| 2 | * \copy | ||
| 3 | * Copyright (c) 2010-2013, 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 | * \file svc_preprocess.h | ||
| 32 | * | ||
| 33 | * \brief svc denoising | ||
| 34 | * | ||
| 35 | * \date 4/1/2010 Created | ||
| 36 | * | ||
| 37 | */ | ||
| 38 | |||
| 39 | #include "denoise.h" | ||
| 40 | #include "../common/typedef.h" | ||
| 41 | |||
| 42 | WELSVP_NAMESPACE_BEGIN | ||
| 43 | |||
| 44 | void BilateralLumaFilter8_c (uint8_t* pSample, int32_t iStride) { | ||
| 45 | int32_t nSum = 0, nTotWeight = 0; | ||
| 46 | int32_t iCenterSample = *pSample; | ||
| 47 | uint8_t* pCurLine = pSample - iStride - DENOISE_GRAY_RADIUS; | ||
| 48 | int32_t x, y; | ||
| 49 | int32_t iCurSample, iCurWeight, iGreyDiff; | ||
| 50 | uint8_t aSample[8]; | ||
| 51 | |||
| 52 | for (int32_t i = 0; i < 8; i++) { | ||
| 53 | nSum = 0; | ||
| 54 | nTotWeight = 0; | ||
| 55 | iCenterSample = *pSample; | ||
| 56 | pCurLine = pSample - iStride - DENOISE_GRAY_RADIUS; | ||
| 57 | for (y = 0; y < 3; y++) { | ||
| 58 | for (x = 0; x < 3; x++) { | ||
| 59 | if (x == 1 && y == 1) continue; // except center point | ||
| 60 | iCurSample = pCurLine[x]; | ||
| 61 | iCurWeight = WELS_ABS (iCurSample - iCenterSample); | ||
| 62 | iGreyDiff = 32 - iCurWeight; | ||
| 63 | if (iGreyDiff < 0) continue; | ||
| 64 | else iCurWeight = (iGreyDiff * iGreyDiff) >> 5; | ||
| 65 | nSum += iCurSample * iCurWeight; | ||
| 66 | nTotWeight += iCurWeight; | ||
| 67 | } | ||
| 68 | pCurLine += iStride; | ||
| 69 | } | ||
| 70 | nTotWeight = 256 - nTotWeight; | ||
| 71 | nSum += iCenterSample * nTotWeight; | ||
| 72 | aSample[i] = nSum >> 8; | ||
| 73 | pSample++; | ||
| 74 | } | ||
| 75 | WelsMemcpy (pSample - 8, aSample, 8); | ||
| 76 | } | ||
| 77 | |||
| 78 | |||
| 79 | /*************************************************************************** | ||
| 80 | 5x5 filter: | ||
| 81 | 1 1 2 1 1 | ||
| 82 | 1 2 4 2 1 | ||
| 83 | 2 4 20 4 2 | ||
| 84 | 1 2 4 2 1 | ||
| 85 | 1 1 2 1 1 | ||
| 86 | ***************************************************************************/ | ||
| 87 | #define SUM_LINE1(pSample) (pSample[0] +(pSample[1]) +(pSample[2]<<1) + pSample[3] + pSample[4]) | ||
| 88 | #define SUM_LINE2(pSample) (pSample[0] +(pSample[1]<<1) +(pSample[2]<<2) +(pSample[3]<<1) +pSample[4]) | ||
| 89 | #define SUM_LINE3(pSample) ((pSample[0]<<1) +(pSample[1]<<2) +(pSample[2]*20) +(pSample[3]<<2) +(pSample[4]<<1)) | ||
| 90 | void WaverageChromaFilter8_c (uint8_t* pSample, int32_t iStride) { | ||
| 91 | int32_t sum; | ||
| 92 | uint8_t* pStartPixels = pSample - UV_WINDOWS_RADIUS * iStride - UV_WINDOWS_RADIUS; | ||
| 93 | uint8_t* pCurLine1 = pStartPixels; | ||
| 94 | uint8_t* pCurLine2 = pCurLine1 + iStride; | ||
| 95 | uint8_t* pCurLine3 = pCurLine2 + iStride; | ||
| 96 | uint8_t* pCurLine4 = pCurLine3 + iStride; | ||
| 97 | uint8_t* pCurLine5 = pCurLine4 + iStride; | ||
| 98 | uint8_t aSample[8]; | ||
| 99 | |||
| 100 | for (int32_t i = 0; i < 8; i++) { | ||
| 101 | sum = SUM_LINE1 ((pCurLine1 + i)) + SUM_LINE2 ((pCurLine2 + i)) + SUM_LINE3 ((pCurLine3 + i)) | ||
| 102 | + SUM_LINE2 ((pCurLine4 + i)) + SUM_LINE1 ((pCurLine5 + i)); | ||
| 103 | aSample[i] = (sum >> 6); | ||
| 104 | pSample++; | ||
| 105 | } | ||
| 106 | WelsMemcpy (pSample - 8, aSample, 8); | ||
| 107 | } | ||
| 108 | |||
| 109 | /*************************************************************************** | ||
| 110 | edge of y/uv use a 3x3 Gauss filter, radius = 1: | ||
| 111 | 1 2 1 | ||
| 112 | 2 4 2 | ||
| 113 | 1 2 1 | ||
| 114 | ***************************************************************************/ | ||
| 115 | void Gauss3x3Filter (uint8_t* pSrc, int32_t iStride) { | ||
| 116 | int32_t nSum = 0; | ||
| 117 | uint8_t* pCurLine1 = pSrc - iStride - 1; | ||
| 118 | uint8_t* pCurLine2 = pCurLine1 + iStride; | ||
| 119 | uint8_t* pCurLine3 = pCurLine2 + iStride; | ||
| 120 | |||
| 121 | nSum = pCurLine1[0] + (pCurLine1[1] << 1) + pCurLine1[2] + | ||
| 122 | (pCurLine2[0] << 1) + (pCurLine2[1] << 2) + (pCurLine2[2] << 1) + | ||
| 123 | pCurLine3[0] + (pCurLine3[1] << 1) + pCurLine3[2]; | ||
| 124 | *pSrc = nSum >> 4; | ||
| 125 | } | ||
| 126 | |||
| 127 | WELSVP_NAMESPACE_END | ||