IDVB_BAT::GetRecordDescriptorByIndex method (dvbsiparser.h)

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

The GetRecordDescriptorByIndex method retrieves a descriptor for a specified record in the BAT.

Syntax

HRESULT GetRecordDescriptorByIndex(
  [in]  DWORD              dwRecordIndex,
  [in]  DWORD              dwIndex,
  [out] IGenericDescriptor **ppDescriptor
);

Parameters

[in] dwRecordIndex

Specifies the record number, indexed from zero. Call the IDVB_BAT::GetCountOfRecords method to get the number of records in the BAT.

[in] dwIndex

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

[out] ppDescriptor

Address of a variable that receives an IGenericDescriptor interface pointer. Use this interface to retrieve the information in the descriptor. The caller must release the interface.

Return value

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

Return code	Description
E_POINTER	NULL pointer argument.
MPEG2_E_OUT_OF_BOUNDS	Index out of bounds.
S_OK	The method succeeded.

Requirements

Target Platform	Windows
Header	dvbsiparser.h

See also

IDVB_BAT Interface