IIsdbEmergencyInformationDescriptor::GetSignalLevel method (dvbsiparser.h)

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Gets a flag that indicates the emergency alarm signal type from an emergency information descriptor.

Syntax

HRESULT GetSignalLevel(
  [in]  BYTE bRecordIndex,
  [out] BYTE *pbVal
);

Parameters

[in] bRecordIndex

Zero-based index of the emergency information descriptor that contains the emergency alarm signal. To get the number of emergency information descriptors, call IIsdbEmergencyInformationDescriptor::GetCountOfRecords.

[out] pbVal

Receives a boolean value that indicates whether the emergency alarm signal is the first (0) or second (1) type of start signal. Annex D of the document titled SERVICE INFORMATION FOR DIGITAL BROADCASTING SYSTEM, ARIB STANDARD, ARIB STD-B10, Version 4.4 describes the two start signal types.

Return value

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

Requirements

See also

IIsdbEmergencyInformationDescriptor

IIsdbEmergencyInformationDescriptor::GetCountOfRecords