public int SetMediaTime(DsLong pTimeStart, DsLong pTimeEnd)
{
m_MediaTimeStart = pTimeStart.ToInt64();
m_MediaTimeEnd = pTimeEnd.ToInt64();
m_HasMediaTime = true;
return(0);
}
// Set the position of the graph to a specified TimeSpan
protected void SeekGraphToTime(TimeSpan seekTime)
{
SendDebugMessage("Seeking graph to time...");
int hr;
IMediaControl mc = (IMediaControl)currentFilterGraph;
// Stop graph if not stopped
FilterState fs;
mc.GetState(50, out fs);
if (fs != FilterState.Stopped)
{
if (fs != FilterState.Stopped)
{
mc.Stop();
}
}
long timeInSeconds = (long)seekTime.TotalSeconds;
DsLong dsTimeIn100NanoSeconds = DsLong.FromInt64(timeInSeconds * 10000000);
SendDebugMessage("Setting position to " + dsTimeIn100NanoSeconds.ToInt64().ToString());
long pos;
if (UsingSBEFilter)
{
// IStreamBufferMediaSeeking is used directly on the source filter http://msdn.microsoft.com/en-us/library/dd694950(v=vs.85).aspx
IStreamBufferMediaSeeking mSeek = (IStreamBufferMediaSeeking)currentSBEfilter;
hr = mSeek.SetPositions(dsTimeIn100NanoSeconds, AMSeekingSeekingFlags.AbsolutePositioning, 0, AMSeekingSeekingFlags.NoPositioning);
DsError.ThrowExceptionForHR(hr);
mSeek.GetCurrentPosition(out pos);
}
else
{
// IMediaSeeking is used on the filter graph which distributes the calls
IMediaSeeking mSeek = (IMediaSeeking)currentFilterGraph;
hr = mSeek.SetPositions(dsTimeIn100NanoSeconds, AMSeekingSeekingFlags.AbsolutePositioning, 0, AMSeekingSeekingFlags.NoPositioning);
DsError.ThrowExceptionForHR(hr);
mSeek.GetCurrentPosition(out pos);
}
SendDebugMessage("New pos is " + pos.ToString());
}
public int SetTime(DsLong pTimeStart, DsLong pTimeEnd)
{
m_TimeStart = pTimeStart.ToInt64();
m_TimeEnd = pTimeEnd.ToInt64();
return(0);
}