MoInitMediaType
The MoInitMediaType function initializes a media type structure.
Syntax
HRESULT MoInitMediaType(
DMO_MEDIA_TYPE *pmt,
DWORD cbFormat
);
Parameters
pmt
Pointer to an uninitialized DMO_MEDIA_TYPE structure allocated by the caller.
cbFormat
Number of bytes to allocate for the format block. Can be zero.
Return Value
Returns an HRESULT value. Possible values include the following.
| Result Code | Description |
| E_OUTOFMEMORY | Insufficient memory |
| E_POINTER | NULL pointer argument |
| S_OK | Success |
Remarks
This function allocates the format block and sets the cbFormat and pbFormat members of the DMO_MEDIA_TYPE structure.
The caller must free the media type by calling the MoFreeMediaType function.
Requirements
Header: Declared in Dmort.h; include Dmo.h
Library: Msdmo.lib.
See Also