CMemAllocator Class
| Microsoft DirectShow 9.0 |
CMemAllocator Class
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Implements an allocator that supports the IMemAllocator interface.
This class derives from CBaseAllocator. For more information about allocators, refer to the documentation for CBaseAllocator.
Requirements
** Header:** Declared in Amfilter.h; include Streams.h.
** Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).
| Protected Member Variables | |
| m_pBuffer | Pointer to the memory block that contains the buffers. |
| Protected Methods | |
| Free | Placeholder method; called during a decommit operation. |
| ReallyFree | Releases the memory for the buffers. |
| Alloc | Allocates memory for the buffers. |
| Public Methods | |
| CMemAllocator | Constructor method. |
| ~CMemAllocator | Destructor method. |
| CreateInstance | Creates a new instance of the CMemAllocator class. |
| IMemAllocator Methods | |
| SetProperties | Specifies the number of buffers to allocate and the size of each buffer. |