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IMFTimedText::AddDataSource method (mfmediaengine.h)

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Adds a timed-text data source.

Syntax

HRESULT AddDataSource(
  [in]           IMFByteStream            *byteStream,
  [in, optional] LPCWSTR                  label,
  [in, optional] LPCWSTR                  language,
  [in]           MF_TIMED_TEXT_TRACK_KIND kind,
  [in]           BOOL                     isDefault,
  [out]          DWORD                    *trackId
);

Parameters

[in] byteStream

Type: IMFByteStream*

A pointer to the IMFByteStream interface for the data source to add.

[in, optional] label

Type: LPCWSTR

Null-terminated wide-character string that contains the label of the data source.

[in, optional] language

Type: LPCWSTR

Null-terminated wide-character string that contains the language of the data source.

[in] kind

Type: MF_TIMED_TEXT_TRACK_KIND

A MF_TIMED_TEXT_TRACK_KIND-typed value that specifies the kind of timed-text track.

[in] isDefault

Type: BOOL

Specifies whether to add the default data source. Specify TRUE to add the default data source or FALSE otherwise.

[out] trackId

Type: DWORD*

Receives a pointer to the unique identifier for the added track.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement Value
Minimum supported client Windows 10 [desktop apps only]
Minimum supported server Windows Server 2016 [desktop apps only]
Target Platform Windows
Header mfmediaengine.h

See also

IMFTimedText