Пример #1
0
void __stdcall tTVPMFPlayer::GetNumberOfFrame( int *f ) {
	UINT64 avgTime;
	HRESULT hr = MFFrameRateToAverageTimePerFrame( FPSNumerator, FPSDenominator, &avgTime );
	if( SUCCEEDED(hr) ) {
		*f = (int)( HnsDuration / avgTime );
	}
}
Пример #2
0
void Scheduler::SetFrameRate(const MFRatio& fps)
{
    UINT64 AvgTimePerFrame = 0;

    // Convert to a duration.
    MFFrameRateToAverageTimePerFrame(fps.Numerator, fps.Denominator, &AvgTimePerFrame);

    m_PerFrameInterval = (MFTIME)AvgTimePerFrame;

    // Calculate 1/4th of this value, because we use it frequently.
    m_PerFrame_1_4th = m_PerFrameInterval / 4;
}
Пример #3
0
void __stdcall tTVPMFPlayer::GetFrame( int *f ) {
	UINT64 avgTime;
	*f = 0;
	HRESULT hr = MFFrameRateToAverageTimePerFrame( FPSNumerator, FPSDenominator, &avgTime );
	if( SUCCEEDED(hr) ) {
		if( PresentationClock.p ) {
			MFTIME mftime;
			if( SUCCEEDED(hr = PresentationClock->GetTime(&mftime)) ) {
				*f = (int)( mftime / avgTime );
			}
		}
	}
}
Пример #4
0
void __stdcall tTVPMFPlayer::SetFrame( int f ) {
	UINT64 avgTime;
	HRESULT hr = MFFrameRateToAverageTimePerFrame( FPSNumerator, FPSDenominator, &avgTime );
	if( SUCCEEDED(hr) ) {
		LONGLONG requestTime = avgTime * (LONGLONG)f;
		if( MediaSession.p && GetClockState() == MFCLOCK_STATE_RUNNING ) {
			PROPVARIANT var;
			PropVariantInit(&var);
			var.vt = VT_I8;
			var.hVal.QuadPart = requestTime;
			MediaSession->Start( &GUID_NULL, &var );
			PropVariantClear(&var);
		}
	}
}
Пример #5
0
void Scheduler::SetFrameRate(const MFRatio& fps)
{
  AutoLock lock(m_schedCritSec);

  if (m_bUseMfTimeCalc || fps.Numerator == 0 || fps.Denominator == 0)
  {
    UINT64 AvgTimePerFrame = 0;

    // Convert to a duration.
    MFFrameRateToAverageTimePerFrame(fps.Numerator, fps.Denominator, &AvgTimePerFrame);

    m_PerFrameInterval = (MFTIME)AvgTimePerFrame;
  }
  else
    m_PerFrameInterval = (MFTIME)10000000.0 / ((double)fps.Numerator / fps.Denominator);

  // Calculate 1/4th of this value, because we use it frequently.
  m_PerFrame_1_4th = m_PerFrameInterval / 4;
}