指针。指针。有谁能帮帮我??解释一下指针的用法。本人初学者。谢了(在线等)
还有一个问题就是为什么捕捉视频时会丢掉帧数???我在录制中设了个线程。来捕捉视频的。我在按录制时,变成“停止”时,它就会丢掉帧数。还有就是在不按录制按钮,点其它地方。录制结束。不知道为什么??下面是代码:
DWORD WINAPI videoThreadProc(LPVOID lParam)
{
// make the record button say "Stop Recording"
CHkDlg3 * dlg=(CHkDlg3 *)lParam;
BOOL suc=FALSE;
SetWindowText(dlg->m_recordbtn.GetSafeHwnd(), "停止");
// capture the video
suc=capCaptureSequence(dlg->hWndCap);
dlg->isRecording = true;
// don't exit the thread until the record button is pressed again
::ResetEvent(dlg->threadEndEvent);
while(WaitForSingleObject(dlg->threadEndEvent,1000)!=WAIT_OBJECT_0)
{
;
}
MessageBox(NULL, "Leaving Thread", "thread", NULL);
return 0;
}