ref: 21691a6741b1b2987bf7d63d416f2cb6a1086a4a
dir: /codec/processing/src/imagerotate/imagerotate.cpp/
/*! * \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 "imagerotate.h" WELSVP_NAMESPACE_BEGIN /////////////////////////////////////////////////////////////////////////////////////////////////////////////// CImageRotating::CImageRotating (int32_t iCpuFlag) { m_iCPUFlag = iCpuFlag; m_eMethod = METHOD_IMAGE_ROTATE; WelsMemset (&m_pfRotateImage, 0, sizeof (m_pfRotateImage)); InitImageRotateFuncs (m_pfRotateImage, m_iCPUFlag); } CImageRotating::~CImageRotating() { } void CImageRotating::InitImageRotateFuncs (SImageRotateFuncs& sImageRotateFuncs, int32_t iCpuFlag) { sImageRotateFuncs.pfImageRotate90D = ImageRotate90D_c; sImageRotateFuncs.pfImageRotate180D = ImageRotate180D_c; sImageRotateFuncs.pfImageRotate270D = ImageRotate270D_c; } EResult CImageRotating::ProcessImageRotate (int32_t iType, uint8_t* pSrc, uint32_t uiBytesPerPixel, uint32_t iWidth, uint32_t iHeight, uint8_t* pDst) { if (iType == 90) { m_pfRotateImage.pfImageRotate90D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst); } else if (iType == 180) { m_pfRotateImage.pfImageRotate180D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst); } else if (iType == 270) { m_pfRotateImage.pfImageRotate270D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst); } else { return RET_NOTSUPPORTED; } return RET_SUCCESS; } EResult CImageRotating::Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst) { EResult eReturn = RET_INVALIDPARAM; if ((pSrc->eFormat == VIDEO_FORMAT_RGBA) || (pSrc->eFormat == VIDEO_FORMAT_BGRA) || (pSrc->eFormat == VIDEO_FORMAT_ABGR) || (pSrc->eFormat == VIDEO_FORMAT_ARGB)) { eReturn = ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[0], pSrc->iSizeInBits * 8, pSrc->sRect.iRectWidth, pSrc->sRect.iRectHeight, (uint8_t*)pDst->pPixel[0]); } else if (pSrc->eFormat == VIDEO_FORMAT_I420) { ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[0], pSrc->iSizeInBits * 8, pSrc->sRect.iRectWidth, pSrc->sRect.iRectHeight, (uint8_t*)pDst->pPixel[0]); ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[1], pSrc->iSizeInBits * 8, (pSrc->sRect.iRectWidth >> 1), (pSrc->sRect.iRectHeight >> 1), (uint8_t*)pDst->pPixel[1]); eReturn = ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[2], pSrc->iSizeInBits * 8, (pSrc->sRect.iRectWidth >> 1), (pSrc->sRect.iRectHeight >> 1), (uint8_t*)pDst->pPixel[2]); } else { eReturn = RET_NOTSUPPORTED; } return eReturn; } WELSVP_NAMESPACE_END