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IMFMediaTypeHandler::GetMediaTypeByIndex method (mfidl.h)

  • Article

Retrieves a media type from the object's list of supported media types.

Syntax

HRESULT GetMediaTypeByIndex(
  [in]  DWORD        dwIndex,
  [out] IMFMediaType **ppType
);

Parameters

[in] dwIndex

Zero-based index of the media type to retrieve. To get the number of media types in the list, call IMFMediaTypeHandler::GetMediaTypeCount.

[out] ppType

Receives a pointer to the IMFMediaType interface. The caller must release the interface.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
 The method succeeded.
MF_E_NO_MORE_TYPES
 The dwIndex parameter is out of range.

Remarks

Media types are returned in the approximate order of preference. The list of supported types is not guaranteed to be complete. To test whether a particular media type is supported, call IMFMediaTypeHandler::IsMediaTypeSupported.

This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfidl.h
Library Mfuuid.lib

See also

IMFMediaTypeHandler