void TestTime()
{
int hr;
long TimeStart1, TimeEnd1;
long TimeStart2, TimeEnd2;
// Read the value
hr = m_ims.GetTime(out TimeStart1, out TimeEnd1);
Marshal.ThrowExceptionForHR(hr);
// Change the value
hr = m_ims.SetTime(new DsLong(TimeStart1 + 1), new DsLong(TimeEnd1 - 1));
Marshal.ThrowExceptionForHR(hr);
// Re-read the value
hr = m_ims.GetTime(out TimeStart2, out TimeEnd2);
Marshal.ThrowExceptionForHR(hr);
// Check to see if the change took
Debug.Assert(TimeStart1 + 1 == TimeStart2, "Get/Set time start");
Debug.Assert(TimeEnd1 - 1 == TimeEnd2, "Get/Set time End");
// Try using nulls
hr = m_ims.SetTime(null, null);
Marshal.ThrowExceptionForHR(hr);
// Read the time, should fail (because of the nulls)
hr = m_ims.GetTime(out TimeStart1, out TimeEnd1);
Debug.Assert(hr == DsResults.E_SampleTimeNotSet, "Get/Set time null");
// Put it back to where it started
hr = m_ims.SetTime(new DsLong(TimeStart1), new DsLong(TimeEnd1));
Marshal.ThrowExceptionForHR(hr);
}
override public int SetTimeStamps(IMediaSample pSample)
{
DsLong rtStart = new DsLong(m_iFrameNumber * _fps);
DsLong rtStop = new DsLong(rtStart + _fps);
int hr = pSample.SetTime(rtStart, rtStop);
return(hr);
}
override public int SetTimeStamps(IMediaSample pSample, int iFrameNumber)
{
reader.ReadTimeStamps(iFrameNumber, out startFrameTime, out endFrameTime);
DsLong rtStart = new DsLong(startFrameTime);
DsLong rtStop = new DsLong(endFrameTime);
int hr = pSample.SetTime(rtStart, rtStop);
return(hr);
}
// Calculate the timestamps based on the frame number and the frames per second
override public int SetTimeStamps(IMediaSample pSample)
{
// Calculate the start/end times based on the current frame number
// and frame rate
DsLong rtStart = new DsLong(m_iFrameNumber * m_FPS);
DsLong rtStop = new DsLong(rtStart + m_FPS);
// Set the times into the sample
int hr = pSample.SetTime(rtStart, rtStop);
return(hr);
}
/// <summary>
/// Calculate the timestamps based on the frame number and the frames per second.
/// </summary>
/// <param name="sample">The <see cref="IMediaSample"/> to be timed.</param>
/// <returns>0 = success, negative values for errors</returns>
public override int SetTimeStamps(IMediaSample sample)
{
// Calculate the start/end times based on the current frame number
// and frame rate
DsLong start = new DsLong(this.FrameNumber * this.framesPerSecond);
DsLong stop = new DsLong(start + this.framesPerSecond);
// Set the times into the sample
int hr = sample.SetTime(start, stop);
return(hr);
}
public static void CopySample(IMediaSample src, IMediaSample dest, bool copySamples)
{
var sourceSize = src.GetActualDataLength();
if (copySamples)
{
IntPtr sourceBuffer;
src.GetPointer(out sourceBuffer);
IntPtr destBuffer;
dest.GetPointer(out destBuffer);
CopyMemory(destBuffer, sourceBuffer, sourceSize);
}
// Copy the sample times
long start, end;
if (src.GetTime(out start, out end) == S_OK)
{
dest.SetTime(start, end);
}
if (src.GetMediaTime(out start, out end) == S_OK)
{
dest.SetMediaTime(start, end);
}
// Copy the media type
AMMediaType mediaType;
var changed = src.GetMediaType(out mediaType) == 0;
if (changed)
{
dest.SetMediaType(mediaType);
DsUtils.FreeAMMediaType(mediaType);
}
dest.SetSyncPoint(src.IsSyncPoint() == S_OK);
dest.SetPreroll(src.IsPreroll() == S_OK);
dest.SetDiscontinuity(src.IsDiscontinuity() == S_OK);
// Copy the actual data length
dest.SetActualDataLength(sourceSize);
}
/// <summary>
/// Calculate and populate the timestamps
/// </summary>
/// <param name="pSample">The IMediaSample to set the timestamps on</param>
/// <returns>HRESULT</returns>
override public int SetTimeStamps(IMediaSample pSample)
{
// Time per frame
int tpf = (UNIT / m_Fps);
DsLong rtStart = new DsLong(m_rtSampleTime);
m_rtSampleTime += tpf;
DsLong rtStop = new DsLong(m_rtSampleTime);
// Set the times into the sample
int hr = pSample.SetTime(rtStart, rtStop);
// Set TRUE on every sample for uncompressed frames
if (hr >= 0)
{
hr = pSample.SetSyncPoint(true);
}
return(hr);
}
// Set the timestamps
override public int SetTimeStamps(IMediaSample pSample)
{
int hr;
int iRead = pSample.GetActualDataLength();
long SampleTime = GetTimeFromBytes(iRead);
long TimeStart = m_FSampleTime;
m_FSampleTime = m_FSampleTime + SampleTime;
long TimeStop = m_FSampleTime;
hr = pSample.SetTime(TimeStart, TimeStop);
if (hr >= 0)
{
TimeStart = m_FMediaTime;
m_FMediaTime = m_FMediaTime + SampleTime;
TimeStop = m_FMediaTime;
hr = pSample.SetMediaTime(TimeStart, TimeStop);
DsError.ThrowExceptionForHR(hr);
}
return(hr);
}
public static void CopySample(IMediaSample src, IMediaSample dest, bool copySamples)
{
var sourceSize = src.GetActualDataLength();
if (copySamples)
{
IntPtr sourceBuffer;
src.GetPointer(out sourceBuffer);
IntPtr destBuffer;
dest.GetPointer(out destBuffer);
CopyMemory(destBuffer, sourceBuffer, sourceSize);
}
// Copy the sample times
long start, end;
if (src.GetTime(out start, out end) == S_OK)
{
dest.SetTime(start, end);
}
if (src.GetMediaTime(out start, out end) == S_OK)
{
dest.SetMediaTime(start, end);
}
// Copy the media type
AMMediaType mediaType;
src.GetMediaType(out mediaType);
dest.SetMediaType(mediaType);
DsUtils.FreeAMMediaType(mediaType);
dest.SetSyncPoint(src.IsSyncPoint() == S_OK);
dest.SetPreroll(src.IsPreroll() == S_OK);
dest.SetDiscontinuity(src.IsDiscontinuity() == S_OK);
// Copy the actual data length
dest.SetActualDataLength(sourceSize);
}
/// <summary>
/// Calculate and populate the timestamps
/// </summary>
/// <param name="pSample">The IMediaSample to set the timestamps on</param>
/// <returns>HRESULT</returns>
public override int SetTimeStamps(IMediaSample pSample)
{
// Time per frame
int tpf = (UNIT / m_Fps);
DsLong rtStart = new DsLong(m_rtSampleTime);
m_rtSampleTime += tpf;
DsLong rtStop = new DsLong(m_rtSampleTime);
// Set the times into the sample
int hr = pSample.SetTime(rtStart, rtStop);
// Set TRUE on every sample for uncompressed frames
if (hr >= 0)
{
hr = pSample.SetSyncPoint(true);
}
return hr;
}
// Calculate the timestamps based on the frame number and the frames per second
public override int SetTimeStamps(IMediaSample pSample)
{
// Calculate the start/end times based on the current frame number
// and frame rate
DsLong rtStart = new DsLong(m_iFrameNumber * m_FPS);
DsLong rtStop = new DsLong(rtStart + m_FPS);
// Set the times into the sample
int hr = pSample.SetTime(rtStart, rtStop);
return hr;
}
// Set the timestamps
public override int SetTimeStamps(IMediaSample pSample)
{
int hr;
int iRead = pSample.GetActualDataLength();
long SampleTime = GetTimeFromBytes(iRead);
long TimeStart = m_FSampleTime;
m_FSampleTime = m_FSampleTime + SampleTime;
long TimeStop = m_FSampleTime;
hr = pSample.SetTime(TimeStart, TimeStop);
if (hr >= 0)
{
TimeStart = m_FMediaTime;
m_FMediaTime = m_FMediaTime + SampleTime;
TimeStop = m_FMediaTime;
hr = pSample.SetMediaTime(TimeStart, TimeStop);
DsError.ThrowExceptionForHR(hr);
}
return hr;
}
/// <summary>
/// Calculate the timestamps based on the frame number and the frames per second.
/// </summary>
/// <param name="sample">The <see cref="IMediaSample"/> to be timed.</param>
/// <returns>0 = success, negative values for errors</returns>
public override int SetTimeStamps(IMediaSample sample)
{
// Calculate the start/end times based on the current frame number
// and frame rate
DsLong start = new DsLong(this.FrameNumber * this.framesPerSecond);
DsLong stop = new DsLong(start + this.framesPerSecond);
// Set the times into the sample
int hr = sample.SetTime(start, stop);
return hr;
}