/// <summary>
/// Attaches this graph to a source graph
/// </summary>
/// <param name="source">source sub graph to get data from</param>
public void SetSource(ISourceSubGraph source)
{
Debug.WriteLine("DefaultRenderer.SetSource: " + source.GetType().ToString());
List <DetailPinInfo> pins = null;
try
{
input = (IBaseFilter)source.Controller.InsertSourceFilter(source.Output, this.graph);
pins = input.EnumPinsDetails();
foreach (DetailPinInfo i in pins)
{
int hr = this.captureGraph.RenderStream(null, null, i.Pin, null, null);
Debug.WriteLine("DefaultRenderer rendered stream; HRESULT = " + hr.ToString("x"));
}
}
finally
{
if (pins != null)
{
pins.Release();
}
}
}
/// <summary>
/// Determines what streams are available on the Net Demux.
/// Creates channels in the GMF Bridge controller accordingly.
/// Then, creates the GMF Bridge Sink, and connects the streams to their respective pins.
/// </summary>
private void RenderNetDemux()
{
List <DetailPinInfo> pins = null;
try
{
//fetch all pins on this filter
pins = netDemux.EnumPinsDetails();
//create list of pins we care about
List <IPin> demuxPins = new List <IPin>();
//get output pins of type video or audio
foreach (DetailPinInfo i in pins)
{
if (i.Info.dir == PinDirection.Output)
{
if (i.Type.majorType == MediaType.Video)
{
controller.AddStream(1, eFormatType.eAny, 1);
demuxPins.Add(i.Pin);
}
else if (i.Type.majorType == MediaType.Audio)
{
controller.AddStream(0, eFormatType.eAny, 1);
demuxPins.Add(i.Pin);
}
}
}
//create GMF Sink
output = (IBaseFilter)controller.InsertSinkFilter(graph);
//connect Demux to GMF Sink
for (int i = 0; i < demuxPins.Count; i++)
{
IPin sinkPin;
int hr = output.FindPin("Input " + (i + 1).ToString(), out sinkPin);
if (hr == 0)
{
FilterGraphTools.ConnectFilters(graph, demuxPins[i], sinkPin, false);
Marshal.ReleaseComObject(sinkPin);
}
}
}
catch (Exception ex)
{
Release(output);
output = null;
throw ex;
}
finally
{
if (pins != null)
{
pins.Release();
}
}
}
/// <summary>
/// Attach this graph to a source
/// </summary>
/// <param name="source">the source sub graph</param>
public void SetSource(ISourceSubGraph source)
{
Debug.WriteLine("LTNetworkSink.SetSource: " + source.GetType().ToString());
List <DetailPinInfo> pins = null;
try
{
netMux = (IBaseFilter) new LMNetMuxClass();
graph.AddFilter(netMux, @"LEAD Network Multiplexer (2.0)");
lmNetMux = (LMNetMux)netMux;
lmNetMux.LiveSource = this.LiveSource;
Debug.WriteLine(String.Format("LiveSource={0}", lmNetMux.LiveSource));
lmNetMux.MaxQueueDuration = this.MaxQueueDuration;
netSnk = (IBaseFilter) new LMNetSnkClass();
graph.AddFilter(netSnk, "LEAD Network Sink (2.0)");
InitializeNetworkSink();
input = (IBaseFilter)source.Controller.InsertSourceFilter(source.Output, this.graph);
pins = input.EnumPinsDetails();
int muxInputNumber = 1;
foreach (DetailPinInfo i in pins)
{
IPin muxPin = null;
try
{
muxPin = DsFindPin.ByName(netMux, "Input " + muxInputNumber.ToString("D2"));
FilterGraphTools.ConnectFilters(this.graph, i.Pin, muxPin, false);
}
finally
{
if (muxPin != null)
{
muxPin.Release();
}
}
muxInputNumber++;
}
FilterGraphTools.ConnectFilters(this.graph, netMux, "Output 01", netSnk, "Input", false);
}
finally
{
if (pins != null)
{
pins.Release();
}
}
}
/// <summary>
/// Finds a pin on the selected filter
/// </summary>
/// <param name="filter">filter to search</param>
/// <param name="direction">direction the pin is in</param>
/// <param name="major">major media type</param>
/// <param name="sub">sub media type</param>
/// <returns>matching IPin. Caller must release</returns>
private IPin FindPinWithMediaType(IBaseFilter filter, PinDirection direction, Guid major, Guid sub)
{
List <DetailPinInfo> details = null;
IPin preConnectedTo = null;
try
{
details = filter.EnumPinsDetails();
foreach (DetailPinInfo pin in details)
{
if ((pin.Info.dir == direction) && (pin.Type != null))
{
if ((pin.Type.majorType == major) && (pin.Type.subType == sub))
{
//check if the pin we found matching is already connected
if (pin.Pin.ConnectedTo(out preConnectedTo) == 0)
{
if (preConnectedTo != null)
{
preConnectedTo.Release();
preConnectedTo = null;
continue;
}
}
//make sure that releasing the details doesn't release the IPin
IPin toReturn = pin.Pin;
pin.Pin = null;
return(toReturn);
}
}
}
throw new Exception("No pin found with major=" + major.ToString() + " and sub=" + sub.ToString() + ", or pin already connected!");
}
finally
{
details.Release();
}
}
/// <summary>
/// Sets the source for this graph
/// </summary>
/// <param name="source">source sub graph</param>
public void SetSource(ISourceSubGraph source)
{
Debug.WriteLine("OggWriter.SetSource: " + source.GetType().ToString());
List <DetailPinInfo> pins = null;
try
{
input = (IBaseFilter)source.Controller.InsertSourceFilter(source.Output, this.graph);
pins = input.EnumPinsDetails();
int oggStreamCounter = 0;
foreach (DetailPinInfo i in pins)
{
if (i.Info.dir == PinDirection.Output)
{
IPin destPin = DsFindPin.ByName(oggMux, "Stream " + oggStreamCounter.ToString());
if (destPin != null)
{
FilterGraphTools.ConnectFilters(this.graph, i.Pin, destPin, false);
Release(destPin);
oggStreamCounter++;
}
}
}
FilterGraphTools.ConnectFilters(this.graph, oggMux, "Ogg Stream", fileWriter, "in", false);
}
finally
{
if (pins != null)
{
pins.Release();
}
}
}