protected void CreateOutputNode(
IMFStreamDescriptor pSourceSD,
out IMFTopologyNode ppNode
)
{
IMFTopologyNode pNode = null;
IMFMediaTypeHandler pHandler = null;
IMFActivate pRendererActivate = null;
Guid guidMajorType = Guid.Empty;
MFError throwonhr;
// Get the stream ID.
int streamID = 0;
try
{
HResult hr;
hr = pSourceSD.GetStreamIdentifier(out streamID); // Just for debugging, ignore any failures.
if (MFError.Failed(hr))
{
//TRACE("IMFStreamDescriptor::GetStreamIdentifier" + hr.ToString());
}
// Get the media type handler for the stream.
throwonhr = pSourceSD.GetMediaTypeHandler(out pHandler);
// Get the major media type.
throwonhr = pHandler.GetMajorType(out guidMajorType);
// Create a downstream node.
throwonhr = MFExtern.MFCreateTopologyNode(MFTopologyType.OutputNode, out pNode);
// Create an IMFActivate object for the renderer, based on the media type.
if (MFMediaType.Audio == guidMajorType)
{
// Create the audio renderer.
//TRACE(string.Format("Stream {0}: audio stream", streamID));
throwonhr = MFExtern.MFCreateAudioRendererActivate(out pRendererActivate);
// Set the IActivate object on the output node.
throwonhr = pNode.SetObject(pRendererActivate);
}
else if (MFMediaType.Video == guidMajorType)
{
// Create the video renderer.
//TRACE(string.Format("Stream {0}: video stream", streamID));
//throwonhr = MFExtern.MFCreateVideoRendererActivate(m_hwndVideo, out pRendererActivate);
mIMFTopologyNode.GetObject(out pRendererActivate);
throwonhr = pNode.SetObject(pRendererActivate);
}
else
{
//TRACE(string.Format("Stream {0}: Unknown format", streamID));
//throw new COMException("Unknown format", (int)HResult.E_FAIL);
}
// Return the IMFTopologyNode pointer to the caller.
ppNode = pNode;
}
catch
{
// If we failed, release the pNode
//SafeRelease(pNode);
throw;
}
finally
{
// Clean up.
//SafeRelease(pHandler);
//SafeRelease(pRendererActivate);
}
}
protected void CreateOutputNode(
IMFStreamDescriptor pSourceSD,
out IMFTopologyNode ppNode
)
{
IMFTopologyNode pNode = null;
IMFMediaTypeHandler pHandler = null;
IMFActivate pRendererActivate = null;
Guid guidMajorType = Guid.Empty;
int hr = S_Ok;
// Get the stream ID.
int streamID = 0;
try
{
try
{
pSourceSD.GetStreamIdentifier(out streamID); // Just for debugging, ignore any failures.
}
catch
{
TRACE("IMFStreamDescriptor::GetStreamIdentifier" + hr.ToString());
}
// Get the media type handler for the stream.
pSourceSD.GetMediaTypeHandler(out pHandler);
// Get the major media type.
pHandler.GetMajorType(out guidMajorType);
// Create a downstream node.
MFExtern.MFCreateTopologyNode(MFTopologyType.OutputNode, out pNode);
// Create an IMFActivate object for the renderer, based on the media type.
if (MFMediaType.Audio == guidMajorType)
{
// Create the audio renderer.
TRACE(string.Format("Stream {0}: audio stream", streamID));
MFExtern.MFCreateAudioRendererActivate(out pRendererActivate);
}
else if (MFMediaType.Video == guidMajorType)
{
// Create the video renderer.
TRACE(string.Format("Stream {0}: video stream", streamID));
MFExtern.MFCreateVideoRendererActivate(m_hwndVideo, out pRendererActivate);
object ppv;
pRendererActivate.ActivateObject(typeof(IMFVideoRenderer).GUID, out ppv);
var renderer = ppv as IMFVideoRenderer;
m_customPresenter = EvrPresenter.CreateNew();
m_customPresenter.NewAllocatorFrame += m_customPresenter_NewAllocatorFrame;
m_customPresenter.NewAllocatorSurface += m_customPresenter_NewAllocatorSurface;
var presenter = m_customPresenter.VideoPresenter as IMFVideoDisplayControl;
hr = presenter.SetVideoWindow(m_hwndVideo);
hr = renderer.InitializeRenderer(null, m_customPresenter.VideoPresenter);
var settings = presenter as IEVRPresenterSettings;
settings.SetBufferCount(5);
}
else
{
TRACE(string.Format("Stream {0}: Unknown format", streamID));
throw new COMException("Unknown format", E_Fail);
}
// Set the IActivate object on the output node.
pNode.SetObject(pRendererActivate);
// Return the IMFTopologyNode pointer to the caller.
ppNode = pNode;
}
catch
{
// If we failed, release the pNode
SafeRelease(pNode);
throw;
}
finally
{
// Clean up.
SafeRelease(pHandler);
SafeRelease(pRendererActivate);
}
}
protected void CreateOutputNode(
IMFStreamDescriptor pSourceSD,
out IMFTopologyNode ppNode
)
{
IMFTopologyNode pNode = null;
IMFMediaTypeHandler pHandler = null;
IMFActivate pRendererActivate = null;
Guid guidMajorType = Guid.Empty;
int hr = S_Ok;
// Get the stream ID.
int streamID = 0;
try
{
try
{
pSourceSD.GetStreamIdentifier(out streamID); // Just for debugging, ignore any failures.
}
catch
{
TRACE("IMFStreamDescriptor::GetStreamIdentifier" + hr.ToString());
}
// Get the media type handler for the stream.
pSourceSD.GetMediaTypeHandler(out pHandler);
// Get the major media type.
pHandler.GetMajorType(out guidMajorType);
// Create a downstream node.
MFExtern.MFCreateTopologyNode(MFTopologyType.OutputNode, out pNode);
// Create an IMFActivate object for the renderer, based on the media type.
if (MFMediaType.Audio == guidMajorType)
{
// Create the audio renderer.
TRACE(string.Format("Stream {0}: audio stream", streamID));
MFExtern.MFCreateAudioRendererActivate(out pRendererActivate);
}
else if (MFMediaType.Video == guidMajorType)
{
// Create the video renderer.
TRACE(string.Format("Stream {0}: video stream", streamID));
MFExtern.MFCreateVideoRendererActivate(m_hwndVideo, out pRendererActivate);
object ppv;
pRendererActivate.ActivateObject(typeof(IMFVideoRenderer).GUID, out ppv);
var renderer = ppv as IMFVideoRenderer;
m_customPresenter = EvrPresenter.CreateNew();
m_customPresenter.NewAllocatorFrame += m_customPresenter_NewAllocatorFrame;
m_customPresenter.NewAllocatorSurface += m_customPresenter_NewAllocatorSurface;
var presenter = m_customPresenter.VideoPresenter as IMFVideoDisplayControl;
hr = presenter.SetVideoWindow(m_hwndVideo);
hr = renderer.InitializeRenderer(null, m_customPresenter.VideoPresenter);
var settings = presenter as IEVRPresenterSettings;
settings.SetBufferCount(5);
}
else
{
TRACE(string.Format("Stream {0}: Unknown format", streamID));
throw new COMException("Unknown format", E_Fail);
}
// Set the IActivate object on the output node.
pNode.SetObject(pRendererActivate);
// Return the IMFTopologyNode pointer to the caller.
ppNode = pNode;
}
catch
{
// If we failed, release the pNode
SafeRelease(pNode);
throw;
}
finally
{
// Clean up.
SafeRelease(pHandler);
SafeRelease(pRendererActivate);
}
}
protected IMFTopologyNode CreateOutputNode(IMFStreamDescriptor pSourceSD)
{
IMFTopologyNode pNode = null;
IMFMediaTypeHandler pHandler = null;
IMFActivate pRendererActivate = null;
Guid guidMajorType = Guid.Empty;
int hr = 0;
// Get the stream ID.
int streamID = 0;
try
{
try
{
hr = pSourceSD.GetStreamIdentifier(out streamID); // Just for debugging, ignore any failures.
MFError.ThrowExceptionForHR(hr);
}
catch
{
//TRACE("IMFStreamDescriptor::GetStreamIdentifier" + hr.ToString());
}
// Get the media type handler for the stream.
hr = pSourceSD.GetMediaTypeHandler(out pHandler);
MFError.ThrowExceptionForHR(hr);
// Get the major media type.
hr = pHandler.GetMajorType(out guidMajorType);
MFError.ThrowExceptionForHR(hr);
// Create a downstream node.
hr = MFExtern.MFCreateTopologyNode(MFTopologyType.OutputNode, out pNode);
MFError.ThrowExceptionForHR(hr);
// Create an IMFActivate object for the renderer, based on the media type.
if (MFMediaType.Audio == guidMajorType)
{
// Create the audio renderer.
hr = MFExtern.MFCreateAudioRendererActivate(out pRendererActivate);
MFError.ThrowExceptionForHR(hr);
object sar;
pRendererActivate.ActivateObject(typeof(IMFMediaSink).GUID, out sar);
StreamingAudioRenderer = sar as IMFMediaSink;
}
else if (MFMediaType.Video == guidMajorType)
{
// Create the video renderer.
pRendererActivate = CreateVideoRenderer();
}
else
{
//TRACE(string.Format("Stream {0}: Unknown format", streamID));
throw new COMException("Unknown format");
}
// Set the IActivate object on the output node.
hr = pNode.SetObject(pRendererActivate);
MFError.ThrowExceptionForHR(hr);
}
catch (Exception ex)
{
// If we failed, release the pNode
COMBase.SafeRelease(pNode);
throw;
}
finally
{
// Clean up.
COMBase.SafeRelease(pHandler);
COMBase.SafeRelease(pRendererActivate);
}
return(pNode);
}
/// <summary>
/// Create media ouput node
/// </summary>
/// <param name="pSourceSD"></param>
/// <param name="ppNode"></param>
protected void CreateOutputNode(
IMFStreamDescriptor pSourceSD,
out IMFTopologyNode ppNode)
{
IMFTopologyNode pNode = null;
IMFMediaTypeHandler pHandler = null;
IMFActivate pRendererActivate = null;
Guid guidMajorType = Guid.Empty;
int hr = S_Ok;
// Get the stream ID.
int streamID = 0;
try
{
try
{
pSourceSD.GetStreamIdentifier(out streamID); // Just for debugging, ignore any failures.
}
catch
{
TRACE("IMFStreamDescriptor::GetStreamIdentifier" + hr.ToString());
}
// Get the media type handler for the stream.
pSourceSD.GetMediaTypeHandler(out pHandler);
// Get the major media type.
pHandler.GetMajorType(out guidMajorType);
// Create a downstream node.
MFExtern.MFCreateTopologyNode(MFTopologyType.OutputNode, out pNode);
// Create an IMFActivate object for the renderer, based on the media type.
if (MFMediaType.Audio == guidMajorType)
{
// Create the audio renderer.
TRACE(string.Format("Stream {0}: Audio Stream", streamID));
MFExtern.MFCreateAudioRendererActivate(out pRendererActivate);
}
else if (MFMediaType.Video == guidMajorType)
{
// Create the video renderer.
TRACE(string.Format("Stream {0}: Video Stream", streamID));
MFExtern.MFCreateVideoRendererActivate(m_hwndVideo, out pRendererActivate);
}
else
{
TRACE(string.Format("Stream {0}: Unknown Format", streamID));
throw new COMException("Unknown Format", E_Fail);
}
// Set the IActivate object on the output node.
pNode.SetObject(pRendererActivate);
// Return the IMFTopologyNode pointer to the caller.
ppNode = pNode;
}
catch
{
// If we failed, release the pNode
SafeRelease(pNode);
throw;
}
finally
{
// Clean up.
SafeRelease(pHandler);
SafeRelease(pRendererActivate);
}
}
