private void PlatformInitialize()
{
if (Topology != null)
{
return;
}
//MediaManagerState.CheckStartup();
MediaFactory.CreateTopology(out _topology);
SharpDX.MediaFoundation.MediaSource mediaSource;
{
SourceResolver resolver = new SourceResolver();
ObjectType otype;
ComObject source = resolver.CreateObjectFromURL(FileName, SourceResolverFlags.MediaSource, null, out otype);
mediaSource = source.QueryInterface <SharpDX.MediaFoundation.MediaSource>();
resolver.Dispose();
source.Dispose();
}
PresentationDescriptor presDesc;
mediaSource.CreatePresentationDescriptor(out presDesc);
for (var i = 0; i < presDesc.StreamDescriptorCount; i++)
{
RawBool selected = false;
StreamDescriptor desc;
presDesc.GetStreamDescriptorByIndex(i, out selected, out desc);
if (selected)
{
TopologyNode sourceNode;
MediaFactory.CreateTopologyNode(TopologyType.SourceStreamNode, out sourceNode);
sourceNode.Set(TopologyNodeAttributeKeys.Source, mediaSource);
sourceNode.Set(TopologyNodeAttributeKeys.PresentationDescriptor, presDesc);
sourceNode.Set(TopologyNodeAttributeKeys.StreamDescriptor, desc);
TopologyNode outputNode;
MediaFactory.CreateTopologyNode(TopologyType.OutputNode, out outputNode);
var majorType = desc.MediaTypeHandler.MajorType;
if (majorType == MediaTypeGuids.Video)
{
Activate activate;
SampleGrabber = new VideoSampleGrabber();
_mediaType = new MediaType();
_mediaType.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Video);
// Specify that we want the data to come in as RGB32.
_mediaType.Set(MediaTypeAttributeKeys.Subtype, new Guid("00000016-0000-0010-8000-00AA00389B71"));
MediaFactory.CreateSampleGrabberSinkActivate(_mediaType, SampleGrabber, out activate);
outputNode.Object = activate;
long frameSize = desc.MediaTypeHandler.CurrentMediaType.Get <long>(MediaTypeAttributeKeys.FrameSize);
Width = (int)(frameSize >> 32);
Height = (int)(frameSize & 0x0000FFFF);
}
if (majorType == MediaTypeGuids.Audio)
{
Activate activate;
MediaFactory.CreateAudioRendererActivate(out activate);
outputNode.Object = activate;
}
_topology.AddNode(sourceNode);
_topology.AddNode(outputNode);
sourceNode.ConnectOutput(0, outputNode, 0);
Duration = new TimeSpan(presDesc.Get <long>(PresentationDescriptionAttributeKeys.Duration));
sourceNode.Dispose();
outputNode.Dispose();
}
desc.Dispose();
}
presDesc.Dispose();
mediaSource.Dispose();
VideoFrame = new Texture2D(Game.Instance.GraphicsDevice, Width, Height, ColorFormat.Bgra8, false);
}
private void PlatformInitialize()
{
if (Topology != null)
return;
//MediaManagerState.CheckStartup();
MediaFactory.CreateTopology(out _topology);
SharpDX.MediaFoundation.MediaSource mediaSource;
{
SourceResolver resolver = new SourceResolver();
ObjectType otype;
ComObject source = resolver.CreateObjectFromURL(FileName, SourceResolverFlags.MediaSource, null, out otype);
mediaSource = source.QueryInterface<SharpDX.MediaFoundation.MediaSource>();
resolver.Dispose();
source.Dispose();
}
PresentationDescriptor presDesc;
mediaSource.CreatePresentationDescriptor(out presDesc);
for (var i = 0; i < presDesc.StreamDescriptorCount; i++)
{
RawBool selected = false;
StreamDescriptor desc;
presDesc.GetStreamDescriptorByIndex(i, out selected, out desc);
if (selected)
{
TopologyNode sourceNode;
MediaFactory.CreateTopologyNode(TopologyType.SourceStreamNode, out sourceNode);
sourceNode.Set(TopologyNodeAttributeKeys.Source, mediaSource);
sourceNode.Set(TopologyNodeAttributeKeys.PresentationDescriptor, presDesc);
sourceNode.Set(TopologyNodeAttributeKeys.StreamDescriptor, desc);
TopologyNode outputNode;
MediaFactory.CreateTopologyNode(TopologyType.OutputNode, out outputNode);
var majorType = desc.MediaTypeHandler.MajorType;
if (majorType == MediaTypeGuids.Video)
{
Activate activate;
SampleGrabber = new VideoSampleGrabber();
_mediaType = new MediaType();
_mediaType.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Video);
// Specify that we want the data to come in as RGB32.
_mediaType.Set(MediaTypeAttributeKeys.Subtype, new Guid("00000016-0000-0010-8000-00AA00389B71"));
MediaFactory.CreateSampleGrabberSinkActivate(_mediaType, SampleGrabber, out activate);
outputNode.Object = activate;
long frameSize = desc.MediaTypeHandler.CurrentMediaType.Get<long>(MediaTypeAttributeKeys.FrameSize);
Width = (int)(frameSize >> 32);
Height = (int) (frameSize & 0x0000FFFF);
}
if (majorType == MediaTypeGuids.Audio)
{
Activate activate;
MediaFactory.CreateAudioRendererActivate(out activate);
outputNode.Object = activate;
}
_topology.AddNode(sourceNode);
_topology.AddNode(outputNode);
sourceNode.ConnectOutput(0, outputNode, 0);
Duration = new TimeSpan(presDesc.Get<long>(PresentationDescriptionAttributeKeys.Duration));
sourceNode.Dispose();
outputNode.Dispose();
}
desc.Dispose();
}
presDesc.Dispose();
mediaSource.Dispose();
VideoFrame = new Texture2D(Game.Instance.GraphicsDevice, Width, Height, ColorFormat.Bgra8, false);
}
