IWMSyncReader::GetOutputNumberForStream method (wmsdkidl.h)

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4/26/2023

[The feature associated with this page, Windows Media Format 11 SDK, is a legacy feature. It has been superseded by Source Reader and Sink Writer. Source Reader and Sink Writer have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use Source Reader and Sink Writer instead of Windows Media Format 11 SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The GetOutputNumberForStream method retrieves the output number that corresponds with the specified stream.

Syntax

HRESULT GetOutputNumberForStream(
  [in]  WORD  wStreamNum,
  [out] DWORD *pdwOutputNum
);

Parameters

[in] wStreamNum

WORD containing the stream number for which you want to retrieve the corresponding output number.

[out] pdwOutputNum

Pointer to a DWORD that will receive the output number that corresponds to the stream number specified in wStreamNum.

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.
NS_E_INVALID_REQUEST	wStreamNum specifies an invalid stream number.

Remarks

More than one stream can be encompassed by an output, as in the case of multiple bit rate files.

Requirements

Requirement	Value
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)

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