IWMSyncReader::SetOutputSetting method

  • Artículo
  • Tiempo de lectura: 2 minutos

The SetOutputSetting method specifies a named setting for a particular output.

Syntax

HRESULT SetOutputSetting(
  DWORD             dwOutputNum,
  LPCWSTR           pszName,
  WMT_ATTR_DATATYPE Type,
  const BYTE        *pValue,
  WORD              cbLength
);

Parameters

dwOutputNum

DWORD containing the output number.

pszName

Pointer to a null-terminated string containing the name of the setting. For a list of global constants representing setting names, see Output Settings.

Type

Member of the WMT_ATTR_DATATYPE enumeration type. This value specifies the type of data in the buffer at pValue.

pValue

Pointer to a byte array containing the value of the setting. The type of data stored in this buffer is specified by Type.

cbLength

Size of pValue in bytes.

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.
E_INVALIDARG
 pszName or pValue is NULL.

OR

dwOutputNum specifies an invalid output number.
E_UNEXPECTED
 No file is open in the synchronous reader.
NS_E_INVALID_REQUEST
 pszName specifies an unsupported setting.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only],Windows Media Format 9 Series SDK, or later versions of the SDK
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header wmsdkidl.h (include Wmsdk.h)
Library Wmvcore.lib; WMStubDRM.lib (if you use DRM)

See also

IWMSyncReader Interface

IWMSyncReader::GetOutputSetting