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IWMCodecStrings::GetDescription Method

  • [アーティクル]

Retrieves the description of an output format.

Syntax

HRESULT GetDescription(
  [in]   DMO_MEDIA_TYPE *pmt,
  [in]   ULONG cchLength,
  [out]  WCHAR *szDescription,
  [out]  ULONG *pcchLength
);

Parameters

  • pmt [in]
    Pointer to the output media type. If NULL, the codec will use the media type that is currently set.

  • cchLength [in]
    Size of szDescription buffer, in wide characters.

  • szDescription [out]
    Address of the wide-character buffer that receives the description. If NULL, pcchLength receives the required length.

  • pcchLength [out]
    Pointer to the required buffer length in wide characters, including the NULL terminating character.

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.

 

Requirements

Minimum supported client

 Windows XP

Minimum supported server

 Windows Server 2003

Header

 Wmcodecdsp.h

See Also

IWMCodecStrings Interface

 

 

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Build date: 4/7/2010