static void _vfw_engine_unconfigure(VfwEngine *obj){
if (!capCaptureStop(obj->capvideo)){
ms_error("vfw: fail to stop capture !");
}
obj->thread_running=FALSE;
ms_thread_join(obj->thread,NULL);
obj->configured=FALSE;
}
void cap_stop(cap_cx *cx)
{
if(cx->started)
{
cx->started = 0;
capCaptureStop(cx->hwnd);
cap_que_clear(cx);
cap_decode_finish(cx);
free(cx->pfmt);
}
}
void CWinVideoGrabber::StopRecording()
{
if (!inited)
return;
if (videomode == VIDEOGRABBERMODE_RECORDING)
{
capCaptureStop(videowindow);
videomode = VIDEOGRABBERMODE_NONE;
}
}
// Standard AVIcap window message
// macro: capCaptureSequenceNoFile && capCaptureStop
BOOL CAviCap::StartSeq(BOOL offOn)
{
CHECKWIN();
CHECKCNCT();
if(offOn)
{
if(_fSeqIsOn) return TRUE;
_getSetup();
_captureParms.fYield = TRUE; // Watch out!
_setSetup();
return capCaptureSequenceNoFile(GetSafeHwnd()) ;
}
if(_fSeqIsOn)
capCaptureStop(GetSafeHwnd());
_fSeqIsOn=offOn;
return TRUE;
}
DWORD WINAPI ListeningRoutine(LPVOID lpParam)
{
const int SAMPLING_FRAME_RATE = 1; // per second
BOOL isCapturing = FALSE;
VideoGrabber* videoGrabber = (VideoGrabber*)lpParam;
static PTSTR captureFileName;
while (videoGrabber->IsEnabled())
{
videoGrabber->GrabFrame(isCapturing);
int recode;
if (videoGrabber->mMotionDetectedDuringLastSecond)
{
if (!isCapturing)
{
captureFileName = videoGrabber->GetNewDataFileName();
MakeSureDirectoryPathExists(captureFileName);
recode = capFileSetCaptureFile(videoGrabber->camhwnd, captureFileName);
recode = capCaptureSequence(videoGrabber->camhwnd);
isCapturing = TRUE;
}
}
else if (isCapturing)
{
// ISSUE: Sometimes motion detected when there is no motion in the scene actually.
// This is caused by automatic aperture enabled in webcam: the cam adjusting
// its aperture to avoid under/overexposition. Hence brightness of pixels is
// changed and motion detection mechanism makes false alarm. However this can
// be patched because the effect causes capture of 2-3 sec. video stream. So
// quick and dirty solution would be to filter all streams shorter than 4 sec.
recode = capCaptureStop(videoGrabber->camhwnd);
recode = GetLastError();
videoGrabber->GetDataAccumulator()->LogVideo(captureFileName);
isCapturing = FALSE;
}
Sleep(1000/SAMPLING_FRAME_RATE);
}
return FALSE;
}
BOOL CWebCam::StopRecord()
{
capCaptureStop(m_hCam); //캡처동작 정지. 캡처한 영상을 파일에 저장.
return capPreview(m_hCam, TRUE);
}
