IMediaObjectInPlace
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4/8/2010
This interface provides methods for processing data in place.
The following table shows the methods for IMediaObjectInPlace in the order the compiler calls them.
| Method | Description |
|---|---|
Processes a block of data. |
|
Creates a copy of the DMO in its current state. |
|
Retrieves the latency introduced by this DMO. |
The IMediaObjectInPlace interface, like all COM interfaces, inherits the IUnknown interface methods. The IUnknown interface supports the following three methods:
Remarks
A DirectX DMO can expose this interface if it meets the following conditions:
- It has one input stream and one output stream.
- Both streams use the same media type.
- The output is produced in place on the buffer; that is, without copying data.
This interface provides an optimized way to process data. The application calls a single IMediaObjectInPlace::Process method instead of the IMediaObject::ProcessInput and IMediaObject::ProcessOutput methods.
Any DMO that implements this interface must also implement the IMediaObject interface. Therefore, an application is never obligated to use this interface, and a DMO is never guaranteed to implement it.
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 |