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 "imagerotate.h"
34
35 WELSVP_NAMESPACE_BEGIN
36
37 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////
38
CImageRotating(int32_t iCpuFlag)39 CImageRotating::CImageRotating (int32_t iCpuFlag) {
40 m_iCPUFlag = iCpuFlag;
41 m_eMethod = METHOD_IMAGE_ROTATE;
42 WelsMemset (&m_pfRotateImage, 0, sizeof (m_pfRotateImage));
43 InitImageRotateFuncs (m_pfRotateImage, m_iCPUFlag);
44 }
45
~CImageRotating()46 CImageRotating::~CImageRotating() {
47 }
48
InitImageRotateFuncs(SImageRotateFuncs & sImageRotateFuncs,int32_t iCpuFlag)49 void CImageRotating::InitImageRotateFuncs (SImageRotateFuncs& sImageRotateFuncs, int32_t iCpuFlag) {
50 sImageRotateFuncs.pfImageRotate90D = ImageRotate90D_c;
51 sImageRotateFuncs.pfImageRotate180D = ImageRotate180D_c;
52 sImageRotateFuncs.pfImageRotate270D = ImageRotate270D_c;
53 }
ProcessImageRotate(int32_t iType,uint8_t * pSrc,uint32_t uiBytesPerPixel,uint32_t iWidth,uint32_t iHeight,uint8_t * pDst)54 EResult CImageRotating::ProcessImageRotate (int32_t iType, uint8_t* pSrc, uint32_t uiBytesPerPixel, uint32_t iWidth,
55 uint32_t iHeight, uint8_t* pDst) {
56 if (iType == 90) {
57 m_pfRotateImage.pfImageRotate90D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst);
58 } else if (iType == 180) {
59 m_pfRotateImage.pfImageRotate180D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst);
60 } else if (iType == 270) {
61 m_pfRotateImage.pfImageRotate270D (pSrc, uiBytesPerPixel, iWidth, iHeight, pDst);
62 } else {
63 return RET_NOTSUPPORTED;
64 }
65 return RET_SUCCESS;
66 }
67
Process(int32_t iType,SPixMap * pSrc,SPixMap * pDst)68 EResult CImageRotating::Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst) {
69 EResult eReturn = RET_INVALIDPARAM;
70
71 if ((pSrc->eFormat == VIDEO_FORMAT_RGBA) ||
72 (pSrc->eFormat == VIDEO_FORMAT_BGRA) ||
73 (pSrc->eFormat == VIDEO_FORMAT_ABGR) ||
74 (pSrc->eFormat == VIDEO_FORMAT_ARGB)) {
75 eReturn = ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[0], pSrc->iSizeInBits * 8, pSrc->sRect.iRectWidth,
76 pSrc->sRect.iRectHeight, (uint8_t*)pDst->pPixel[0]);
77 } else if (pSrc->eFormat == VIDEO_FORMAT_I420) {
78 ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[0], pSrc->iSizeInBits * 8, pSrc->sRect.iRectWidth,
79 pSrc->sRect.iRectHeight, (uint8_t*)pDst->pPixel[0]);
80 ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[1], pSrc->iSizeInBits * 8, (pSrc->sRect.iRectWidth >> 1),
81 (pSrc->sRect.iRectHeight >> 1), (uint8_t*)pDst->pPixel[1]);
82 eReturn = ProcessImageRotate (iType, (uint8_t*)pSrc->pPixel[2], pSrc->iSizeInBits * 8, (pSrc->sRect.iRectWidth >> 1),
83 (pSrc->sRect.iRectHeight >> 1), (uint8_t*)pDst->pPixel[2]);
84 } else {
85 eReturn = RET_NOTSUPPORTED;
86 }
87
88 return eReturn;
89 }
90
91
92 WELSVP_NAMESPACE_END
93