mf-sink-writer-async-callback.md

description	ms.assetid	title	ms.topic	ms.date
Contains a pointer to the applications callback interface for the sink writer.	22df1fa0-469d-4501-aaf0-a0379b7ed096	MF_SINK_WRITER_ASYNC_CALLBACK attribute (Mfreadwrite.h)	reference	05/31/2018

MF_SINK_WRITER_ASYNC_CALLBACK attribute

Contains a pointer to the application's callback interface for the sink writer.

Data type

IMFSinkWriterCallback* stored as IUnknown*

Get/set

To get this attribute, call IMFAttributes::GetUnknown.

To set this attribute, call IMFAttributes::SetUnknown.

Remarks

The value of this attribute is a pointer to the application's IMFSinkWriterCallback interface.

Use this attribute with the following functions:

• MFCreateSinkWriterFromMediaSink
• MFCreateSinkWriterFromURL

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps | UWP apps]
Minimum supported server	Windows Server 2008 R2 [desktop apps | UWP apps]
Header	Mfreadwrite.h

See also

Alphabetical List of Media Foundation Attributes

Sink Writer Attributes