public override bool Build(DirectShowLib.IPin source, IBuild build)
{
this.build = build;
this.build.OnClose += this.Dispose;
bool result;
if (result = base.Build(source, build))
{
DirectShowLib.AMMediaType media = new DirectShowLib.AMMediaType();
Exception.GraphError.Check((this.grabber as DirectShowLib.ISampleGrabber).GetConnectedMediaType(media));
DirectShowLib.VideoInfoHeader header = (DirectShowLib.VideoInfoHeader)System.Runtime.InteropServices.Marshal.PtrToStructure(media.formatPtr, typeof(DirectShowLib.VideoInfoHeader));
this.size = new Geometry2D.Integer.Size(header.BmiHeader.Width, header.BmiHeader.Height);
this.lifetime = header.AvgTimePerFrame;
// NOTE!!!! Here we set a default frame rate if the video does not have such information available.
if (this.lifetime < 1000 || this.lifetime > 10000000)
{
this.lifetime = 400000;
}
if (this.Rate.NotNull())
{
double factor = (double)this.Rate / (1000 / new TimeSpan(this.lifetime).TotalMilliseconds);
int code = (this.build.Graph as DirectShowLib.IMediaSeeking).SetRate(factor);
}
}
return(result);
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType() { majorType = DirectShowLib.MediaType.Video, subType = DirectShowLib.MediaSubType.H264, formatType = DirectShowLib.FormatType.Mpeg2Video };// { majorType = DirectShowLib.MediaType.Stream, subType = new Guid("D607A0E7-BE64-4869-B70D-46F2E05D66D0") };
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.url, sourceMedia));
return result;
}
void SetOutputMedia(DirectShowLib.IBaseFilter filter, DirectShowLib.AMMediaType media)
{
DirectShowLib.IPin outPin = DirectShowLib.DsFindPin.ByDirection(filter, DirectShowLib.PinDirection.Output, 0);
if (outPin is DirectShowLib.IAMStreamConfig)
{
Exception.GraphError.Check((outPin as DirectShowLib.IAMStreamConfig).SetFormat(media));
}
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType() { majorType = DirectShowLib.MediaType.Stream, subType = DirectShowLib.MediaSubType.Mpeg2Transport };
DirectShowLib.IBaseFilter result = base.Create();
if(result.NotNull())
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.file, sourceMedia));
return result;
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType() { majorType = DirectShowLib.MediaType.Stream, subType = new Guid("555DC977-D6F1-4C2E-8D64-F58221A91234") };
DirectShowLib.IBaseFilter result = base.Create();
if(result.NotNull())
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.file, sourceMedia));
return result;
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType()
{
majorType = DirectShowLib.MediaType.Stream, subType = new Guid("555DC977-D6F1-4C2E-8D64-F58221A91234")
};
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
{
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.file, sourceMedia));
}
return(result);
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType()
{
majorType = DirectShowLib.MediaType.Stream, subType = DirectShowLib.MediaSubType.Mpeg2Transport
};
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
{
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.file, sourceMedia));
}
return(result);
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType sourceMedia = new DirectShowLib.AMMediaType()
{
majorType = DirectShowLib.MediaType.Video, subType = DirectShowLib.MediaSubType.H264, formatType = DirectShowLib.FormatType.Mpeg2Video
}; // { majorType = DirectShowLib.MediaType.Stream, subType = new Guid("D607A0E7-BE64-4869-B70D-46F2E05D66D0") };
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
{
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSourceFilter).Load(this.url, sourceMedia));
}
return(result);
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType media = new DirectShowLib.AMMediaType() { majorType = DirectShowLib.MediaType.Stream, subType = DirectShowLib.MediaSubType.Mpeg2Program };
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
{
DirectShowLib.FilterInfo info;
result.QueryFilterInfo(out info);
string info2;
result.QueryVendorInfo(out info2);
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSinkFilter).SetFileName(this.filename, media));
}
return result;
}
DirectShowLib.AMMediaType[] GetOutputMediaTypes(DirectShowLib.IBaseFilter filter)
{
DirectShowLib.AMMediaType[] result = null;
DirectShowLib.IPin outPin = DirectShowLib.DsFindPin.ByDirection(filter, DirectShowLib.PinDirection.Output, 0);
if (outPin is DirectShowLib.IAMStreamConfig)
{
int count = 0;
int size = 0;
Exception.GraphError.Check((outPin as DirectShowLib.IAMStreamConfig).GetNumberOfCapabilities(out count, out size));
Buffer.Vector<byte> buffer = new Buffer.Vector<byte>(size);
result = new DirectShowLib.AMMediaType[count];
for (int i = 0; i < count; i++)
Exception.GraphError.Check((outPin as DirectShowLib.IAMStreamConfig).GetStreamCaps(i, out result[i], buffer));
}
return result;
}
public override DirectShowLib.IBaseFilter Create()
{
DirectShowLib.AMMediaType media = new DirectShowLib.AMMediaType()
{
majorType = DirectShowLib.MediaType.Stream, subType = DirectShowLib.MediaSubType.Mpeg2Program
};
DirectShowLib.IBaseFilter result = base.Create();
if (result.NotNull())
{
DirectShowLib.FilterInfo info;
result.QueryFilterInfo(out info);
string info2;
result.QueryVendorInfo(out info2);
DirectShow.Binding.Exception.GraphError.Check((result as DirectShowLib.IFileSinkFilter).SetFileName(this.filename, media));
}
return(result);
}
DirectShowLib.AMMediaType[] GetOutputMediaTypes(DirectShowLib.IBaseFilter filter)
{
DirectShowLib.AMMediaType[] result = null;
DirectShowLib.IPin outPin = DirectShowLib.DsFindPin.ByDirection(filter, DirectShowLib.PinDirection.Output, 0);
if (outPin is DirectShowLib.IAMStreamConfig)
{
int count = 0;
int size = 0;
Exception.GraphError.Check((outPin as DirectShowLib.IAMStreamConfig).GetNumberOfCapabilities(out count, out size));
Buffer.Vector <byte> buffer = new Buffer.Vector <byte>(size);
result = new DirectShowLib.AMMediaType[count];
for (int i = 0; i < count; i++)
{
Exception.GraphError.Check((outPin as DirectShowLib.IAMStreamConfig).GetStreamCaps(i, out result[i], buffer));
}
}
return(result);
}
public override bool Build(DirectShowLib.IPin source, IBuild build)
{
this.build = build;
this.build.OnClose += this.Dispose;
bool result;
if (result = base.Build(source, build))
{
DirectShowLib.AMMediaType media = new DirectShowLib.AMMediaType();
Exception.GraphError.Check((this.grabber as DirectShowLib.ISampleGrabber).GetConnectedMediaType(media));
DirectShowLib.VideoInfoHeader header = (DirectShowLib.VideoInfoHeader)System.Runtime.InteropServices.Marshal.PtrToStructure(media.formatPtr, typeof(DirectShowLib.VideoInfoHeader));
this.size = new Geometry2D.Integer.Size(header.BmiHeader.Width, header.BmiHeader.Height);
this.lifetime = header.AvgTimePerFrame;
// NOTE!!!! Here we set a default frame rate if the video does not have such information available.
if (this.lifetime < 1000 || this.lifetime > 10000000)
this.lifetime = 400000;
if (this.Rate.NotNull())
{
double factor = (double)this.Rate / (1000 / new TimeSpan(this.lifetime).TotalMilliseconds) ;
int code = (this.build.Graph as DirectShowLib.IMediaSeeking).SetRate(factor);
}
}
return result;
}
public static extern int MoInitMediaType(
[Out] DirectShowLib.AMMediaType pmt,
int i
);
protected static void SetHeader(DirectShowLib.AMMediaType media, DirectShowLib.VideoInfoHeader header)
{
System.Runtime.InteropServices.Marshal.StructureToPtr(header, media.formatPtr, true);
}
protected static DirectShowLib.VideoInfoHeader GetHeader(DirectShowLib.AMMediaType media)
{
return(System.Runtime.InteropServices.Marshal.PtrToStructure(media.formatPtr, typeof(DirectShowLib.VideoInfoHeader)) as DirectShowLib.VideoInfoHeader);
}
