void CVideoPlayBack::OnBnClickedButtonPlayfast()
{
// TODO: 在此添加控件通知处理程序代码
m_nSpeed ++;
if(m_nSpeed < 0)
{
m_nSpeed ++;
OnBnClickedButtonPlayslow();
return;
}
if(m_nSpeed > 4)
{
m_nSpeed = 4;
}
SetPlaySpeed();
m_PlayFastTime = 1000/(pow((DOUBLE)2, m_nSpeed));
if(m_PlayFastTime < 62)
{
return;
}
m_SleepTime = m_PlayFastTime;
CString strText;
strText.Format(_T("%d X"), (int)pow((DOUBLE)2, m_nSpeed));
GetDlgItem(IDC_STATIC_SPEED)->SetWindowText(strText);
}
void CVideoPlayBack::OnBnClickedButtonPlayslow()
{
// TODO: 在此添加控件通知处理程序代码
m_nSpeed --;
if(m_nSpeed >= 0)
{
m_nSpeed --;
OnBnClickedButtonPlayfast();
return;
}
if(m_nSpeed < -4)
{
m_nSpeed = -4;
}
SetPlaySpeed();
m_PlaySlowTime = 1000 * (pow((DOUBLE)2, abs(m_nSpeed)));
if(m_PlaySlowTime > 16000)
{
return;
}
m_SleepTime = m_PlaySlowTime;
CString strText;
strText.Format(_T("1/%d X"), (int)pow((DOUBLE)2, abs(m_nSpeed)));
GetDlgItem(IDC_STATIC_SPEED)->SetWindowText(strText);
}
//---------------------------------------------------------------------
///
/// This function sets the RealPause state
///
/// Only set this value to true if the application being debugged can
/// handle delta t = 0.
///
/// \param bRealPause the current RealPause state
//---------------------------------------------------------------------
void TimeControl::SetRealPause(bool bRealPause)
{
m_RealPause = bRealPause;
SetPlaySpeed(m_SpeedControl);
}
