Class MFFactory

Inheritance
object
MFFactory
Implements
Inherited Members
Namespace: JeremyAnsel.DirectX.MediaFoundation
Assembly: JeremyAnsel.DirectX.MediaFoundation.dll
Syntax
[SecurityCritical]
public sealed class MFFactory : IDisposable

Constructors

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MFFactory()

Initializes the platform object. Must be called before using Media Foundation. A matching MFShutdown call must be made when the application is done using Media Foundation. The "Version" parameter should be set to MF_API_VERSION. Application should not call MFStartup / MFShutdown from workqueue threads.

Declaration
public MFFactory()

Methods

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CreateAttributes()

Creates a MFAttributes.

Declaration
public MFAttributes CreateAttributes()
Returns
Type Description
MFAttributes
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CreateAttributes(uint)

Creates a MFAttributes.

Declaration
public MFAttributes CreateAttributes(uint cInitialSize)
Parameters
Type Name Description
uint cInitialSize
Returns
Type Description
MFAttributes
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CreateDXGIDeviceManager(out uint)

Declaration
public MFDXGIDeviceManager CreateDXGIDeviceManager(out uint resetToken)
Parameters
Type Name Description
uint resetToken
Returns
Type Description
MFDXGIDeviceManager
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CreateDXGISurfaceBuffer(Guid, nint, uint, bool)

Creates a MFMediaBuffer for a D3D11Texture2D or a D3D12Resource.

Declaration
public MFMediaBuffer CreateDXGISurfaceBuffer(Guid riid, nint punkSurface, uint uSubresourceIndex, bool fBottomUpWhenLinear)
Parameters
Type Name Description
Guid riid
nint punkSurface
uint uSubresourceIndex
bool fBottomUpWhenLinear
Returns
Type Description
MFMediaBuffer
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CreateMediaBufferWrapper(nint, uint, uint)

Creates a MFMediaBuffer wrapper at the given offset and length within an existing MFMediaBuffer

Declaration
public MFMediaBuffer CreateMediaBufferWrapper(nint pBuffer, uint cbOffset, uint dwLength)
Parameters
Type Name Description
nint pBuffer
uint cbOffset
uint dwLength
Returns
Type Description
MFMediaBuffer
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CreateMediaType()

Declaration
public MFMediaType CreateMediaType()
Returns
Type Description
MFMediaType
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CreateMemoryBuffer(uint)

Creates a MFMediaBuffer in memory.

Declaration
public MFMediaBuffer CreateMemoryBuffer(uint cbMaxLength)
Parameters
Type Name Description
uint cbMaxLength
Returns
Type Description
MFMediaBuffer
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CreateSample()

Creates a MFSample.

Declaration
public MFSample CreateSample()
Returns
Type Description
MFSample
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CreateSinkWriterFromURL(string, MFAttributes)

Declaration
public MFSinkWriter CreateSinkWriterFromURL(string pwszOutputURL, MFAttributes pAttributes)
Parameters
Type Name Description
string pwszOutputURL
MFAttributes pAttributes
Returns
Type Description
MFSinkWriter
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CreateSourceReaderFromURL(string, MFAttributes)

This function is used to instantiate an MF Source Reader object for the specified URL.

Declaration
public MFSourceReader CreateSourceReaderFromURL(string pwszURL, MFAttributes pAttributes)
Parameters
Type Name Description
string pwszURL

URL that specifies the location of the media content to open.
MFAttributes pAttributes

Optional parameter specifying additional Source Reader configuration. See: section below on MF Source Reader Attributes
Returns
Type Description
MFSourceReader
Remarks

This function is synchronous and performs I/O that can block the calling thread.

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Dispose()

Shuts down the platform object. Releases all resources including threads. Application should call MFShutdown the same number of times as MFStartup. Application should not call MFStartup / MFShutdown from workqueue threads.

Declaration
public void Dispose()

Implements