public AMMediaType GetPMT(IMediaSampleImpl _sample)
{
AMMediaType pmt;
if (S_OK == _sample.GetMediaType(out pmt))
{
if (FAILED(SetMediaType(pmt)))
{
ASSERT(false);
_sample.SetMediaType(null);
}
pmt.Free();
}
return(pmt);
}
public override int FillBuffer(ref IMediaSampleImpl _sample)
{
{
AMMediaType pmt;
if (S_OK == _sample.GetMediaType(out pmt))
{
if (FAILED(SetMediaType(pmt)))
{
ASSERT(false);
_sample.SetMediaType(null);
}
pmt.Free();
}
}
long _start, _stop;
HRESULT hr = NOERROR;
long rtLatency;
if (FAILED(GetLatency(out rtLatency)))
{
rtLatency = UNITS / 30;
}
bool bShouldDeliver = false;
do
{
if (m_dwAdviseToken == 0)
{
m_pClock.GetTime(out m_rtClockStart);
hr = (HRESULT)m_pClock.AdvisePeriodic(m_rtClockStart + rtLatency, rtLatency, m_hSemaphore.Handle, out m_dwAdviseToken);
hr.Assert();
}
else
{
if (!m_hSemaphore.WaitOne())
{
ASSERT(FALSE);
}
}
bShouldDeliver = TRUE;
_start = m_rtStart;
_stop = m_rtStart + 1;
_sample.SetTime(_start, _stop);
hr = (HRESULT)(m_Filter as VirtualCamFilter).FillBuffer(ref _sample);
if (FAILED(hr) || S_FALSE == hr)
{
return(hr);
}
m_pClock.GetTime(out m_rtClockStop);
_sample.GetTime(out _start, out _stop);
if (rtLatency > 0 && rtLatency * 3 < m_rtClockStop - m_rtClockStart)
{
m_rtClockStop = m_rtClockStart + rtLatency;
}
_stop = _start + (m_rtClockStop - m_rtClockStart);
m_rtStart = _stop;
lock (m_csPinLock)
{
_start -= m_rtStreamOffset;
_stop -= m_rtStreamOffset;
}
_sample.SetTime(_start, _stop);
m_rtClockStart = m_rtClockStop;
bShouldDeliver = ((_start >= 0) && (_stop >= 0));
if (bShouldDeliver)
{
lock (m_csPinLock)
if (m_rtStartAt != -1)
{
if (m_rtStartAt > _start)
{
bShouldDeliver = FALSE;
}
else
{
if (m_dwStartCookie != 0 && !m_bStartNotified)
{
m_bStartNotified = TRUE;
hr = (HRESULT)m_Filter.NotifyEvent(EventCode.StreamControlStarted, Marshal.GetIUnknownForObject(this), (IntPtr)m_dwStartCookie);
if (FAILED(hr))
{
return(hr);
}
}
}
}
if (!bShouldDeliver)
{
continue;
}
if (m_rtStopAt != -1)
{
if (m_rtStopAt < _start)
{
if (!m_bStopNotified)
{
m_bStopNotified = TRUE;
if (m_dwStopCookie != 0)
{
hr = (HRESULT)m_Filter.NotifyEvent(EventCode.StreamControlStopped, Marshal.GetIUnknownForObject(this), (IntPtr)m_dwStopCookie);
if (FAILED(hr))
{
return(hr);
}
}
bShouldDeliver = m_bShouldFlush;
}
else
{
bShouldDeliver = FALSE;
}
// EOS
if (!bShouldDeliver)
{
return(S_FALSE);
}
}
}
}
}while (!bShouldDeliver);
return(NOERROR);
}
public override int FillBuffer(ref IMediaSampleImpl _sample)
{
#if HAMED_LOG_FPS_2
_FPS2Count++;
if (_FPS2Count == 100)
{
DateTime FPS2End = DateTime.Now;
double m2 = FPS2End.Subtract(_FPS2Start).TotalMilliseconds;
int fps = (int)(_FPS2Count * 1000 / m2);
Console.WriteLine("FPS: Avg " + fps + " [100 Frames in " + (int)m2 + "ms]");
_FPS2Start = FPS2End;
_FPS2Count = 0;
}
#endif
#if HAMED_LOG_FPS_1
DateTime FPSEnd = DateTime.Now;
double m = FPSEnd.Subtract(_FPSStart).TotalMilliseconds;
if (m != 0)
{
int fps = (int)(1000 / m);
fps *= _FPSCount;
Console.WriteLine("FPS: " + fps + " [" + _FPSCount + " Frames in " + (int)m + "ms]");
_FPSStart = FPSEnd;
_FPSCount = 1;
}
else
{
_FPSCount++;
}
#endif
#if HAMED_LOG_METHOD_INFO
MethodBase method = new StackTrace().GetFrame(0).GetMethod();
Console.WriteLine(this.GetType().FullName + " - " + method.Name + " - " + method.ToString());
#endif
{
AMMediaType pmt;
if (S_OK == _sample.GetMediaType(out pmt))
{
if (FAILED(SetMediaType(pmt)))
{
ASSERT(false);
_sample.SetMediaType(null);
}
pmt.Free();
}
}
long _start, _stop;
HRESULT hr = NOERROR;
long rtLatency;
if (FAILED(GetLatency(out rtLatency)))
{
rtLatency = UNITS / 30;
}
bool bShouldDeliver = false;
do
{
if (m_dwAdviseToken == 0)
{
m_pClock.GetTime(out m_rtClockStart);
hr = (HRESULT)m_pClock.AdvisePeriodic(m_rtClockStart + rtLatency, rtLatency, m_hSemaphore.Handle, out m_dwAdviseToken);
hr.Assert();
}
else
{
if (!m_hSemaphore.WaitOne())
{
ASSERT(FALSE);
}
}
bShouldDeliver = TRUE;
_start = m_rtStart;
_stop = m_rtStart + 1;
_sample.SetTime(_start, _stop);
hr = (HRESULT)(m_Filter as VirtualCamFilter).FillBuffer(ref _sample);
if (FAILED(hr) || S_FALSE == hr)
{
return(hr);
}
m_pClock.GetTime(out m_rtClockStop);
_sample.GetTime(out _start, out _stop);
if (rtLatency > 0 && rtLatency * 3 < m_rtClockStop - m_rtClockStart)
{
m_rtClockStop = m_rtClockStart + rtLatency;
}
_stop = _start + (m_rtClockStop - m_rtClockStart);
m_rtStart = _stop;
lock (m_csPinLock)
{
_start -= m_rtStreamOffset;
_stop -= m_rtStreamOffset;
}
_sample.SetTime(_start, _stop);
m_rtClockStart = m_rtClockStop;
bShouldDeliver = ((_start >= 0) && (_stop >= 0));
if (bShouldDeliver)
{
lock (m_csPinLock)
if (m_rtStartAt != -1)
{
if (m_rtStartAt > _start)
{
bShouldDeliver = FALSE;
}
else
{
if (m_dwStartCookie != 0 && !m_bStartNotified)
{
m_bStartNotified = TRUE;
hr = (HRESULT)m_Filter.NotifyEvent(EventCode.StreamControlStarted, Marshal.GetIUnknownForObject(this), (IntPtr)m_dwStartCookie);
if (FAILED(hr))
{
return(hr);
}
}
}
}
if (!bShouldDeliver)
{
continue;
}
if (m_rtStopAt != -1)
{
if (m_rtStopAt < _start)
{
if (!m_bStopNotified)
{
m_bStopNotified = TRUE;
if (m_dwStopCookie != 0)
{
hr = (HRESULT)m_Filter.NotifyEvent(EventCode.StreamControlStopped, Marshal.GetIUnknownForObject(this), (IntPtr)m_dwStopCookie);
if (FAILED(hr))
{
return(hr);
}
}
bShouldDeliver = m_bShouldFlush;
}
else
{
bShouldDeliver = FALSE;
}
// EOS
if (!bShouldDeliver)
{
return(S_FALSE);
}
}
}
}
}while (!bShouldDeliver);
return(NOERROR);
}
