Microsoft DirectX 8.1 (C++)

MoInitMediaType

The MoInitMediaType function initializes a media type structure.

Requirements

Declared in Dmort.h; include Dmo.h. Link to Msdmo.lib.

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.

See Also