IMediaObject
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4/8/2010
This interface provides methods for manipulating a Microsoft DirectX Media Object (DMO).
The following table shows the methods for IMediaObject in the order the compiler calls them.
| Method | Description |
|---|---|
Retrieves the number of input and output streams. |
|
Retrieves information about a specified input stream. |
|
Retrieves information about a specified output stream. |
|
Retrieves a preferred media type for a specified input stream. |
|
Retrieves a preferred media type for a specified output stream. |
|
Sets the media type on an input stream or tests whether a particular media type is acceptable. |
|
Sets the media type on an output stream or tests whether a particular media type is acceptable. |
|
Retrieves the media type that was set for an input stream, if any. |
|
Retrieves the media type that was set for an output stream, if any. |
|
Retrieves the buffer requirements for a specified input stream. |
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Retrieves the buffer requirements for a specified output stream. |
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Retrieves the maximum latency on a specified input stream. |
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Sets the maximum latency on a specified input stream. |
|
Flushes all internally buffered data. |
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Signals a discontinuity on the specified input stream. |
|
Allocates resources needed by the DMO. |
|
Frees resources allocated by the DMO. |
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Queries whether a specified input stream can accept more input data. |
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Delivers a buffer to the specified input stream. |
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Generates output from the current input data. |
|
Acquires or releases a lock on the DMO. |
The IMediaObject interface, like all COM interfaces, inherits the IUnknown interface methods.
The IUnknown interface supports the following three methods:
Requirements
| Header | dmo.h |
| Library | Dmoguid.lib |
| Windows Embedded CE | Windows CE .NET 4.1 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |