IMpeg2PsiParser::GetPatVersionNumber method

[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The implementation of this method is provided as sample code with the DirectShow SDK. It is not a supported DirectShow API.

The GetPatVersionNumber method retrieves the version_number field from the PAT. A transport stream contains at most one PAT. The version number is incremented whenever the information in the table changes.

Syntax

HRESULT GetPatVersionNumber(
  [out] BYTE *pPatVersion
);

Parameters

pPatVersion [out]

Pointer to a variable that receives the version_number field.

Return value

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

Return code Description
S_OK
Success.

 

See also

IMpeg2PsiParser Interface

PSI Parser Filter Sample