void CMainFrame::OnClose()
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
capCaptureAbort(m_hWndCap);
capDriverDisconnect(m_hWndCap);
Sleep(100);
capSetCallbackOnError(m_hWndCap,NULL);
capSetCallbackOnStatus(m_hWndCap,NULL);
capSetCallbackOnVideoStream(m_hWndCap,NULL);
delete lpbiIn;
delete lpbiTmp;
delete lpbiOut;
if (m_vfwState==ENCDEC){
ICDecompressEnd(hic2);
ICClose(hic2);
ICSeqCompressFrameEnd(&pc);
ICCompressEnd(hic1);
ICClose(hic1);
AVIStreamClose(ps);
if(m_pFile != NULL)
AVIFileRelease(m_pFile);
}
enc_stop();
dec_stop();
Sleep(100);
CFrameWnd::OnClose();
}
void MMCapture::captureInit(UINT framesPerSecond, UINT audioBufferSize) {
DWORD style = WS_CHILD;
m_captureWindow = capCreateCaptureWindow(_T("my capture window"), style,0,0,640,480,m_receiver.getWindow(),1);
if(m_captureWindow == NULL) {
throwException(_T("%s:Cannot create CaptureWindow:%s"),__TFUNCTION__,getLastErrorText().cstr());
}
try {
CHECKRESULT(capSetUserData( m_captureWindow, this));
if(captureVideo()) {
CHECKRESULT(capDriverConnect(m_captureWindow, 0 ));
m_webCamConnected = true;
}
CAPTUREPARMS param;
CHECKRESULT(capCaptureGetSetup(m_captureWindow,¶m,sizeof(param)));
param.dwRequestMicroSecPerFrame = 1000000 / framesPerSecond;
param.fYield = TRUE;
param.AVStreamMaster = AVSTREAMMASTER_AUDIO; // AVSTREAMMASTER_NONE;
param.dwAudioBufferSize = audioBufferSize;
CHECKRESULT(capCaptureSetSetup(m_captureWindow,¶m,sizeof(param)));
if(captureAudio()) {
int audioFormatSize = capGetAudioFormat(m_captureWindow,&m_audioFormat, sizeof(m_audioFormat));
CHECKRESULT(capSetCallbackOnWaveStream( m_captureWindow, captureWaveStreamCallback));
}
if(captureVideo()) {
int videoFormatSize = capGetVideoFormat(m_captureWindow,&m_videoFormat, sizeof(m_videoFormat));
CHECKRESULT(capSetCallbackOnVideoStream(m_captureWindow, captureVideoStreamCallback));
CHECKRESULT(capSetCallbackOnFrame( m_captureWindow, captureFrameCallback));
}
CHECKRESULT(capSetCallbackOnStatus( m_captureWindow, captureStatusCallback));
CHECKRESULT(capSetCallbackOnCapControl( m_captureWindow, captureControlCallback));
CHECKRESULT(capSetCallbackOnError( m_captureWindow, captureErrorCallback));
if(captureAudio() && m_playAudio) {
m_audioThread = new AudioPlayerThread(*this); TRACE_NEW(m_audioThread);
m_audioThread->start();
}
} catch(...) {
captureCleanup();
throw;
}
}
/*初始化VFW设备*/
void CMainFrame::OnVfwInitvfw()
{
// TODO: 在此添加命令处理程序代码
DWORD fsize;
// 创建视频窗口
if(!m_wndSource.CreateEx(WS_EX_TOPMOST,NULL,
_T("Source"),WS_OVERLAPPED|WS_CAPTION,
CRect(0,0,352,288),NULL,0))
return;
m_hWndCap = capCreateCaptureWindow(_T("Capture Window"),WS_CHILD|WS_VISIBLE,
0,0,352,288,
m_wndSource.m_hWnd,0);
//m_wndSource.ShowWindow(SW_SHOW);
// 注册回调函数
capSetCallbackOnError(m_hWndCap,(FARPROC)ErrorCallbackProc);
capSetCallbackOnStatus(m_hWndCap,(FARPROC)StatusCallbackProc);
capSetCallbackOnVideoStream(m_hWndCap,(FARPROC)VideoCallbackProc);
// 连接视频设备
capDriverConnect(m_hWndCap,0); //(HWND m_hWndCap, int index);//index : 0--9
// 获取驱动器的性能参数
capDriverGetCaps(m_hWndCap,&m_caps,sizeof(CAPDRIVERCAPS));
if (m_caps.fHasOverlay)
capOverlay(m_hWndCap,TRUE);
// 设置预览速率开始预览
capPreviewRate(m_hWndCap,1000/25);
capPreview(m_hWndCap,bPreview);
fsize = capGetVideoFormatSize(m_hWndCap);
capGetVideoFormat(m_hWndCap, lpbiIn, fsize);
AfxMessageBox(_T("初始化成功！"));
}
