public virtual bool Open(Filters.Abstract recipe)
{
this.graph = new DirectShowLib.FilterGraph() as DirectShowLib.IFilterGraph2;
DirectShowLib.IMediaEventEx mediaEvent = this.graph as DirectShowLib.IMediaEventEx;
if (mediaEvent.NotNull())
{
if (this.eventPoller.NotNull())
{
this.eventPoller.Dispose();
}
this.eventPoller = Parallel.RepeatThread.Start("DS Event Poller", () =>
{
DirectShowLib.EventCode code;
IntPtr parameter1, parameter2;
if (mediaEvent.GetEvent(out code, out parameter1, out parameter2, 960) == 0)
{
switch (code)
{
default:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: " + code, "DirectShow event " + code + " occured. (paramenter1: " + parameter1 + ", paramenter2: " + parameter2 + ")");
break;
case DirectShowLib.EventCode.GraphChanged:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Graph Changed", "The DirectShow graph has changed.");
break;
case DirectShowLib.EventCode.Paused:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Paused", "The DirectShow graph has completed a pause request.");
break;
case DirectShowLib.EventCode.ClockChanged:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Clock Changed", "The DirectShow graph has changed the reference clock.");
break;
case DirectShowLib.EventCode.StErrStPlaying:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Stream Error, Still Playing", "A stream error occured, trying to recover by issuing stop followed by play. (paramenter: " + parameter1 + ")");
this.Stop();
this.Play();
break;
}
}
});
}
return(recipe.Build(this));
}
public virtual void Close()
{
if (this.graph is DirectShowLib.IMediaControl)
{
this.Stop();
this.onClose.Call();
this.onClose = null;
this.Send = null;
if (this.eventPoller.NotNull())
{
this.eventPoller.Abort();
this.eventPoller = null;
}
Exception.GraphError.Check((this.graph as DirectShowLib.IMediaControl).StopWhenReady());
Exception.GraphError.Check(this.graph.Abort());
//System.Runtime.InteropServices.Marshal.ReleaseComObject(this.graph);
this.graph = null;
}
}
public virtual void Close()
{
if (this.graph is DirectShowLib.IMediaControl)
{
this.Stop();
this.onClose.Call();
this.onClose = null;
this.Send = null;
if (this.eventPoller.NotNull())
{
this.eventPoller.Abort();
this.eventPoller = null;
}
Exception.GraphError.Check((this.graph as DirectShowLib.IMediaControl).StopWhenReady());
Exception.GraphError.Check(this.graph.Abort());
//System.Runtime.InteropServices.Marshal.ReleaseComObject(this.graph);
this.graph = null;
}
}
public virtual bool Open(Filters.Abstract recipe)
{
this.graph = new DirectShowLib.FilterGraph() as DirectShowLib.IFilterGraph2;
DirectShowLib.IMediaEventEx mediaEvent = this.graph as DirectShowLib.IMediaEventEx;
if (mediaEvent.NotNull())
{
if (this.eventPoller.NotNull())
this.eventPoller.Dispose();
this.eventPoller = Parallel.RepeatThread.Start("DS Event Poller", () =>
{
DirectShowLib.EventCode code;
IntPtr parameter1, parameter2;
if (mediaEvent.GetEvent(out code, out parameter1, out parameter2, 960) == 0)
{
switch (code)
{
default:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: " + code, "DirectShow event " + code + " occured. (paramenter1: " + parameter1 + ", paramenter2: " + parameter2 + ")");
break;
case DirectShowLib.EventCode.GraphChanged:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Graph Changed", "The DirectShow graph has changed.");
break;
case DirectShowLib.EventCode.Paused:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Paused", "The DirectShow graph has completed a pause request.");
break;
case DirectShowLib.EventCode.ClockChanged:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Clock Changed", "The DirectShow graph has changed the reference clock.");
break;
case DirectShowLib.EventCode.StErrStPlaying:
Error.Log.Append(Error.Level.Debug, "DirectShow Event: Stream Error, Still Playing", "A stream error occured, trying to recover by issuing stop followed by play. (paramenter: " + parameter1 + ")");
this.Stop();
this.Play();
break;
}
}
});
}
return recipe.Build(this);
}
