IATSC_MGT::GetRecordDescriptorByIndex

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Microsoft DirectShow 9.0

IATSC_MGT::GetRecordDescriptorByIndex

This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.

The GetRecordDescriptorByIndex method returns a descriptor for a specified record in the MGT.

Syntax

  HRESULT GetRecordDescriptorByIndex(
  DWORD  dwRecordIndex,
  DWORD  dwIndex,
  IGenericDescriptor**  ppDescriptor
);

Parameters

dwRecordIndex

[in]  Specifies the record number, indexed from zero. Call the IATSC_MGT::GetCountOfRecords method to get the number of records in the MGT.

dwIndex

[in]  Specifies which descriptor to retrieve, indexed from zero. Call the IATSC_MGT::GetRecordCountOfDescriptors method to get the number of descriptors for a particular record.

ppDescriptor

[out]  Receives a pointer to the IGenericDescriptor interface. Use this interface to retrieve the information in the descriptor. The caller must release the interface.

Return Values

The method returns an HRESULT. Possible values include those in the following table.

Return code Description
MPEG2_E_OUT_OF_BOUNDS Index out of bounds.
S_OK The method succeeded.

Requirements

Header: Include atscpsipparser.h.

See Also