IMediaBuffer::SetLength
The SetLength method specifies the length of the data currently in the buffer.
Syntax
HRESULT SetLength(
DWORD cbLength
);
Parameters
cbLength
Size of the data, in bytes. The value must not exceed the buffer's maximum size. Call the IMediaBuffer::GetMaxLength method to obtain the maximum size.
Return Value
Returns S_OK if successful. Otherwise, returns an HRESULT value indicating the cause of the error.
Remarks
This method sets the size of the valid data currently in the buffer, not the buffer's allocated size.
Requirements
Header: Declared in Mediaobj.h; include Dmo.h
Library: Dmoguids.lib.
See Also