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IMediaObject::GetOutputCurrentType (Windows Embedded CE 6.0)

  • Article

1/6/2010

This method retrieves the media type that was set for an output stream, if any.

Syntax

HRESULT GetOutputCurrentType(
  DWORD dwOutputStreamIndex,
  DMO_MEDIA_TYPE* pmt
);

Parameters

  • dwOutputStreamIndex
    Zero-based index of an output stream on the DMO.
  • pmt
    [out] Pointer to a DMO_MEDIA_TYPE structure allocated by the caller. The method fills the structure with the media type.

Return Value

Returns an HRESULT value. Possible values include the following.

Value Description

S_OK

Success

DMO_E_INVALIDSTREAMINDEX

Invalid stream index

DMO_E_TYPE_NOT_SET

Media type was not set

E_OUTOFMEMORY

Insufficient memory

Remarks

The caller must set the media type for the stream before calling this method. To set the media type, call the IMediaObject::SetOutputType method.

If the method succeeds, call MoFreeMediaType to free the format block.

Requirements

Header dmo.h
Library Dmoguid.lib
Windows Embedded CE Windows CE .NET 4.1 and later

See Also

Reference

IMediaObject
IMediaObject::SetOutputType
MoFreeMediaType
DMO Error Codes
DMO Error Codes
DMO_MEDIA_TYPE