IMediaObject::GetInputCurrentType (Compact 2013)

  • Article

3/26/2014

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

See Also

Reference

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