IIsdbEmergencyInformationDescriptor::GetSignalLevel method (dvbsiparser.h)
[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]
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
| Requirement | Value |
|---|---|
| Minimum supported client | Windows�7 [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | dvbsiparser.h |