Memory Allocator
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The Memory Allocator object allocates buffers for media samples. Filters can use this object to allocate shared memory buffers; however, a filter with special requirements can also implement its own memory allocator object. Create this object by calling CoCreateInstance.
| Label | Value |
|---|---|
| Class Identifier | CLSID_MemoryAllocator |
| Interfaces | IMemAllocator |
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