#include "StdAfx.h"
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#include "FrameBufferController.h"
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CFrameBufferController::CFrameBufferController(void)
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{
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m_nCameraIdx = 0;
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}
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CFrameBufferController::~CFrameBufferController(void)
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{
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}
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void CFrameBufferController::ClearBuffer()
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{
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m_MultiBuffer.ClearBuffer();
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}
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BOOL CFrameBufferController::CreateBuffer(int iCamera, int nFrameWidth, int nFrameHeight, int nFrameCnt, int nBufferCnt)
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{
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m_nCameraIdx = iCamera;
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m_MultiBuffer.CreateMultiBuff(nBufferCnt, nFrameWidth, nFrameHeight, nFrameCnt);
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return TRUE;
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}
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LPBYTE CFrameBufferController::GetFrameBuferHeader(int iScan, int iFrame)
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{
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if (CheckProcFrame(iFrame) == FALSE)
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{
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return NULL;
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}
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if (m_MultiBuffer.GetBuffCount() <= iScan)
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{
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return NULL;
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}
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return m_MultiBuffer.GetMultiBuffData(iScan) + (ULONG_PTR)(m_MultiBuffer.GetFrameSize()*iFrame);
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}
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BOOL CFrameBufferController::SetFrameBuffer(int iScan, int iFrame, LPBYTE lpBuffer)
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{
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LPBYTE lpSource = GetFrameBuferHeader(iScan, iFrame);
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if (lpSource == NULL)
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return FALSE;
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memcpy(lpSource, lpBuffer, m_MultiBuffer.GetFrameWidth() * m_MultiBuffer.GetFrameHeight());
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return TRUE;
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}
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BOOL CFrameBufferController::CheckProcFrame(int iFrame)
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{
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if (iFrame < 0 || iFrame >= m_MultiBuffer.GetFrameCount())
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return FALSE;
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return TRUE;
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}
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LPBYTE CFrameBufferController::GetFrameHeaderLine(int iScan, int nLine /*= 0*/)
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{
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LPBYTE lpBuf = NULL;
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int iStartLineInOrgFrame = nLine / GetFrameHeight();
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int iStartLinePositionInOrgFrame = nLine % GetFrameHeight();
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lpBuf = GetFrameBuferHeader(iScan, iStartLineInOrgFrame);
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if (lpBuf == NULL)
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return NULL;
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return lpBuf + (GetFrameWidth()*iStartLinePositionInOrgFrame);
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}
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LPBYTE CFrameBufferController::GetFrameHeader_Line_FromStartLine(int iScan, int iFrame, int nStartLine /*= 0*/)
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{
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LPBYTE lpBuf = NULL;
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int iStartLineInOrgFrame = nStartLine / GetFrameHeight();
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int iStartLinePositionInOrgFrame = nStartLine % GetFrameHeight();
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//LogDisplayMessage(_T("GetFrameHeader_Line_FromStartLine: Frame %d, start line %d, org Frame %d, position in org frame %d"), iFrame, nStartLine, iStartLineInOrgFrame, iStartLinePositionInOrgFrame);
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//Sleep(10);
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lpBuf = GetFrameBuferHeader(iScan, iStartLineInOrgFrame);
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if (lpBuf == NULL)
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return NULL;
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return lpBuf + (GetFrameWidth()*iStartLinePositionInOrgFrame);
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}
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