从AVI中读取每帧数据显示到界面

int OpenIrVideo::SendImageData(THPARAM *param, int sourceDes,CFile& fs) //发送镜像数据

{

g_imageBuffSize=_IR_320_BUFF_SIZE_;

AVIFileInit(); //初始化AVI文件

PAVIFILE avi;

int res=AVIFileOpen(&avi, m_AVIName, OF_READ, NULL); //打开avi文件，m_AVIName是avi路径名

if (res!=AVIERR_OK)

{

//an error occures

if (avi!=NULL)

AVIFileRelease(avi);

}

AVIFILEINFO avi_info;

AVIFileInfo(avi, &avi_info, sizeof(AVIFILEINFO));

PAVISTREAM pStream;

res=AVIFileGetStream(avi, &pStream, streamtypeVIDEO /*video stream*/,

0 /*first stream*/);

if (res!=AVIERR_OK)

{

if (pStream!=NULL)

AVIStreamRelease(pStream);

AVIFileExit();

}

int iNumFrames;

int iFirstFrame;

iFirstFrame=AVIStreamStart(pStream); //获取起始帧

if (iFirstFrame==-1)

{

//Error getteing the frame inside the stream

if (pStream!=NULL)

AVIStreamRelease(pStream);

AVIFileExit();

}

iNumFrames=AVIStreamLength(pStream); //获取帧长度

if (iNumFrames==-1)

{

//Error getteing the number of frames inside the stream

if (pStream!=NULL)

AVIStreamRelease(pStream);

AVIFileExit();

}

PGETFRAME pFrame;

pFrame=AVIStreamGetFrameOpen(pStream,

NULL/*(BITMAPINFOHEADER*) AVIGETFRAMEF_BESTDISPLAYFMT*/ /*&bih*/);

int index=0;

BYTE* pDIB;

for (int i=iFirstFrame; i<iNumFrames; i++)

{

index= i-iFirstFrame;

pDIB = (BYTE*)AVIStreamGetFrame(pFrame, index); //获取每帧的数据流

SynSendData(param,4,pDIB,g_imageBuffSize);

m_Bitmap = BufferToBitmap(pDIB); //将内存中的BMP文件内容转换到HBITMAP

HBITMAP OldBitmap;

CWnd* pWnd = CWnd::FromHandle(m_winPicHandle);;

CDC* pDC = pWnd->GetDC();

CDC MemDC;

MemDC.CreateCompatibleDC(pDC);

OldBitmap = (HBITMAP)MemDC.SelectObject(m_Bitmap);

CRect rect;

pWnd->GetClientRect(&rect);

pDC->BitBlt(0,0,rect.Width(),rect.Height(),&MemDC,0,0,SRCCOPY);

MemDC.SelectObject(OldBitmap);

MemDC.DeleteDC();

pWnd->ReleaseDC(pDC);

Sleep(100);

if(i == iNumFrames-1)

{

i = 0;

}

}

return 1;

}