IMediaObject::GetInputCurrentType

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

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

Syntax

HRESULT GetInputCurrentType(
  DWORD dwInputStreamIndex,
  DMO_MEDIA_TYPE* pmt
);

Parameters

• dwInputStreamIndex
  Zero-based index of an input 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::SetInputType 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
Windows Mobile	Windows Mobile Version 5.0 and later

See Also

Reference

IMediaObject
IMediaObject::SetInputType
MoFreeMediaType
DMO Error Codes
DMO Error Codes
DMO_MEDIA_TYPE