/*! * \copy * Copyright (c) 2009-2013, 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 "ScrollDetection.h"#include "ScrollDetectionFuncs.h"#include "cpu.h" WELSVP_NAMESPACE_BEGIN EResult CScrollDetection::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { if (pRefPixMap->pPixel[0] == NULL || pSrcPixMap->pPixel[0] == NULL || pRefPixMap->sRect.iRectWidth != pSrcPixMap->sRect.iRectWidth || pRefPixMap->sRect.iRectHeight != pSrcPixMap->sRect.iRectHeight) { return RET_INVALIDPARAM; } if (!m_sScrollDetectionParam.bMaskInfoAvailable) ScrollDetectionWithoutMask (pSrcPixMap, pRefPixMap); else ScrollDetectionWithMask (pSrcPixMap, pRefPixMap); return RET_SUCCESS;} EResult CScrollDetection::Set (int32_t iType, void* pParam) { if (pParam == NULL) { return RET_INVALIDPARAM; } m_sScrollDetectionParam = * ((SScrollDetectionParam*)pParam); return RET_SUCCESS;} EResult CScrollDetection::Get (int32_t iType, void* pParam) { if (pParam == NULL) { return RET_INVALIDPARAM; } * ((SScrollDetectionParam*)pParam) = m_sScrollDetectionParam; return RET_SUCCESS;} void CScrollDetection::ScrollDetectionWithMask (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { int32_t iStartX, iStartY, iWidth, iHeight; iStartX = m_sScrollDetectionParam.sMaskRect.iRectLeft; iStartY = m_sScrollDetectionParam.sMaskRect.iRectTop; iWidth = m_sScrollDetectionParam.sMaskRect.iRectWidth; iHeight = m_sScrollDetectionParam.sMaskRect.iRectHeight; iWidth /= 2; iStartX += iWidth / 2; m_sScrollDetectionParam.iScrollMvX = 0; m_sScrollDetectionParam.iScrollMvY = 0; m_sScrollDetectionParam.bScrollDetectFlag = false; if (iStartX >= 0 && iWidth > MINIMUM_DETECT_WIDTH && iHeight > 2 * CHECK_OFFSET) { ScrollDetectionCore (pSrcPixMap, pRefPixMap, iWidth, iHeight, iStartX, iStartY, m_sScrollDetectionParam); }} void CScrollDetection::ScrollDetectionWithoutMask (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) { int32_t iStartX, iStartY, iWidth, iHeight; const int32_t kiPicBorderWidth = pSrcPixMap->sRect.iRectHeight >> 4; const int32_t kiRegionWidth = (int) (pSrcPixMap->sRect.iRectWidth - (kiPicBorderWidth << 1)) / 3; const int32_t kiRegionHeight = (pSrcPixMap->sRect.iRectHeight * 7) >> 3; const int32_t kiHieghtStride = (int) pSrcPixMap->sRect.iRectHeight * 5 / 24; for (int32_t i = 0; i < REGION_NUMBER; i++) { iStartX = kiPicBorderWidth + (i % 3) * kiRegionWidth; iStartY = -pSrcPixMap->sRect.iRectHeight * 7 / 48 + (int) (i / 3) * (kiHieghtStride); iWidth = kiRegionWidth; iHeight = kiRegionHeight; iWidth /= 2; iStartX += iWidth / 2; ScrollDetectionCore (pSrcPixMap, pRefPixMap, iWidth, iHeight, iStartX, iStartY, m_sScrollDetectionParam); if (m_sScrollDetectionParam.bScrollDetectFlag && m_sScrollDetectionParam.iScrollMvY) break; }} WELSVP_NAMESPACE_END
/*!
* \copy
* Copyright (c) 2009-2013, 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 "ScrollDetection.h"
#include "ScrollDetectionFuncs.h"
#include "cpu.h"
WELSVP_NAMESPACE_BEGIN
EResult CScrollDetection::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
if (pRefPixMap->pPixel[0] == NULL || pSrcPixMap->pPixel[0] == NULL ||
pRefPixMap->sRect.iRectWidth != pSrcPixMap->sRect.iRectWidth
|| pRefPixMap->sRect.iRectHeight != pSrcPixMap->sRect.iRectHeight) {
return RET_INVALIDPARAM;
}
if (!m_sScrollDetectionParam.bMaskInfoAvailable)
ScrollDetectionWithoutMask (pSrcPixMap, pRefPixMap);
else
ScrollDetectionWithMask (pSrcPixMap, pRefPixMap);
return RET_SUCCESS;
}
EResult CScrollDetection::Set (int32_t iType, void* pParam) {
if (pParam == NULL) {
return RET_INVALIDPARAM;
}
m_sScrollDetectionParam = * ((SScrollDetectionParam*)pParam);
return RET_SUCCESS;
}
EResult CScrollDetection::Get (int32_t iType, void* pParam) {
if (pParam == NULL) {
return RET_INVALIDPARAM;
}
* ((SScrollDetectionParam*)pParam) = m_sScrollDetectionParam;
return RET_SUCCESS;
}
void CScrollDetection::ScrollDetectionWithMask (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
int32_t iStartX, iStartY, iWidth, iHeight;
iStartX = m_sScrollDetectionParam.sMaskRect.iRectLeft;
iStartY = m_sScrollDetectionParam.sMaskRect.iRectTop;
iWidth = m_sScrollDetectionParam.sMaskRect.iRectWidth;
iHeight = m_sScrollDetectionParam.sMaskRect.iRectHeight;
iWidth /= 2;
iStartX += iWidth / 2;
m_sScrollDetectionParam.iScrollMvX = 0;
m_sScrollDetectionParam.iScrollMvY = 0;
m_sScrollDetectionParam.bScrollDetectFlag = false;
if (iStartX >= 0 && iWidth > MINIMUM_DETECT_WIDTH && iHeight > 2 * CHECK_OFFSET) {
ScrollDetectionCore (pSrcPixMap, pRefPixMap, iWidth, iHeight, iStartX, iStartY, m_sScrollDetectionParam);
}
}
void CScrollDetection::ScrollDetectionWithoutMask (SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
int32_t iStartX, iStartY, iWidth, iHeight;
const int32_t kiPicBorderWidth = pSrcPixMap->sRect.iRectHeight >> 4;
const int32_t kiRegionWidth = (int) (pSrcPixMap->sRect.iRectWidth - (kiPicBorderWidth << 1)) / 3;
const int32_t kiRegionHeight = (pSrcPixMap->sRect.iRectHeight * 7) >> 3;
const int32_t kiHieghtStride = (int) pSrcPixMap->sRect.iRectHeight * 5 / 24;
for (int32_t i = 0; i < REGION_NUMBER; i++) {
iStartX = kiPicBorderWidth + (i % 3) * kiRegionWidth;
iStartY = -pSrcPixMap->sRect.iRectHeight * 7 / 48 + (int) (i / 3) * (kiHieghtStride);
iWidth = kiRegionWidth;
iHeight = kiRegionHeight;
iWidth /= 2;
iStartX += iWidth / 2;
ScrollDetectionCore (pSrcPixMap, pRefPixMap, iWidth, iHeight, iStartX, iStartY, m_sScrollDetectionParam);
if (m_sScrollDetectionParam.bScrollDetectFlag && m_sScrollDetectionParam.iScrollMvY)
break;
}
}
WELSVP_NAMESPACE_END