169 lines
6.2 KiB
C++
169 lines
6.2 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 <string.h>
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#include "expand_pic.h"
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#include "cpu_core.h"
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#include "wels_func_ptr_def.h"
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namespace WelsSVCEnc {
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// rewrite it (split into luma & chroma) that is helpful for mmx/sse2 optimization perform, 9/27/2009
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static inline void ExpandPictureLuma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
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const int32_t kiPicH) {
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uint8_t* pTmp = pDst;
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uint8_t* pDstLastLine = pTmp + (kiPicH - 1) * kiStride;
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const int32_t kiPaddingLen = PADDING_LENGTH;
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const uint8_t kuiTL = pTmp[0];
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const uint8_t kuiTR = pTmp[kiPicW - 1];
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const uint8_t kuiBL = pDstLastLine[0];
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const uint8_t kuiBR = pDstLastLine[kiPicW - 1];
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int32_t i = 0;
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do {
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const int32_t kiStrides = (1 + i) * kiStride;
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uint8_t* pTop = pTmp - kiStrides;
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uint8_t* pBottom = pDstLastLine + kiStrides;
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// pad pTop and pBottom
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memcpy (pTop, pTmp, kiPicW); // confirmed_safe_unsafe_usage
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memcpy (pBottom, pDstLastLine, kiPicW); // confirmed_safe_unsafe_usage
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// pad corners
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memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
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memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
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memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
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memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
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++ i;
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} while (i < kiPaddingLen);
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// pad left and right
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i = 0;
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do {
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memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
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memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
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pTmp += kiStride;
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++ i;
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} while (i < kiPicH);
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}
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static inline void ExpandPictureChroma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
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const int32_t kiPicH) {
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uint8_t* pTmp = pDst;
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uint8_t* pDstLastLine = pTmp + (kiPicH - 1) * kiStride;
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const int32_t kiPaddingLen = (PADDING_LENGTH >> 1);
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const uint8_t kuiTL = pTmp[0];
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const uint8_t kuiTR = pTmp[kiPicW - 1];
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const uint8_t kuiBL = pDstLastLine[0];
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const uint8_t kuiBR = pDstLastLine[kiPicW - 1];
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int32_t i = 0;
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do {
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const int32_t kiStrides = (1 + i) * kiStride;
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uint8_t* pTop = pTmp - kiStrides;
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uint8_t* pBottom = pDstLastLine + kiStrides;
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// pad pTop and pBottom
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memcpy (pTop, pTmp, kiPicW); // confirmed_safe_unsafe_usage
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memcpy (pBottom, pDstLastLine, kiPicW); // confirmed_safe_unsafe_usage
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// pad corners
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memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
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memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
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memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
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memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
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++ i;
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} while (i < kiPaddingLen);
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// pad left and right
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i = 0;
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do {
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memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
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memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
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pTmp += kiStride;
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++ i;
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} while (i < kiPicH);
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}
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void InitExpandPictureFunc (void* pL, const uint32_t kuiCPUFlag) {
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SWelsFuncPtrList* pFuncList = (SWelsFuncPtrList*)pL;
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pFuncList->pfExpandLumaPicture = ExpandPictureLuma_c;
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pFuncList->pfExpandChromaPicture[0] = ExpandPictureChroma_c;
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pFuncList->pfExpandChromaPicture[1] = ExpandPictureChroma_c;
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#if defined(X86_ASM)
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if ((kuiCPUFlag & WELS_CPU_SSE2) == WELS_CPU_SSE2) {
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pFuncList->pfExpandLumaPicture = ExpandPictureLuma_sse2;
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pFuncList->pfExpandChromaPicture[0] = ExpandPictureChromaUnalign_sse2;
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pFuncList->pfExpandChromaPicture[1] = ExpandPictureChromaAlign_sse2;
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}
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#endif//X86_ASM
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#if defined(HAVE_NEON)
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if (kuiCPUFlag & WELS_CPU_NEON) {
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pFuncList->pfExpandLumaPicture = ExpandPictureLuma_neon;
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pFuncList->pfExpandChromaPicture[0] = ExpandPictureChroma_c;
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pFuncList->pfExpandChromaPicture[1] = ExpandPictureChroma_neon;
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}
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#endif//HAVE_NEON
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}
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void ExpandReferencingPicture (SPicture* pPic, PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]) {
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/*local variable*/
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uint8_t* pPicY = pPic->pData[0];
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uint8_t* pPicCb = pPic->pData[1];
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uint8_t* pPicCr = pPic->pData[2];
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const int32_t kiWidthY = pPic->iWidthInPixel;
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const int32_t kiHeightY = pPic->iHeightInPixel;
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const int32_t kiWidthUV = kiWidthY >> 1;
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const int32_t kiHeightUV = kiHeightY >> 1;
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pExpLuma (pPicY, pPic->iLineSize[0], kiWidthY, kiHeightY);
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if (kiWidthUV >= 16) {
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// fix coding picture size as 16x16
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const bool kbChrAligned = /*(iWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0); // chroma planes: (16+iWidthUV) & 15
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pExpChrom[kbChrAligned] (pPicCb, pPic->iLineSize[1], kiWidthUV, kiHeightUV);
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pExpChrom[kbChrAligned] (pPicCr, pPic->iLineSize[2], kiWidthUV, kiHeightUV);
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} else {
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// fix coding picture size as 16x16
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ExpandPictureChroma_c (pPicCb, pPic->iLineSize[1], kiWidthUV, kiHeightUV);
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ExpandPictureChroma_c (pPicCr, pPic->iLineSize[2], kiWidthUV, kiHeightUV);
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}
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}
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}
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