ISCTE_EAS Interface
| Microsoft DirectShow 9.0 |
ISCTE_EAS Interface
This topic applies to Windows Vista.
The ISCTE_EAS interface enables the client to get data from an ATSC emergency alert message (EAS) table. The IAtscPsipParser::GetEAS method returns a pointer to this interface.
For more information about EAS tables, see ANSI-J-STD-042-2002, Emergency Alert Message for Cable.
In addition to the methods inherited from IUnknown, the ISCTE_EAS interface exposes the following methods.
| Method | Description |
| GetAlertPriority | Returns the alert priority. |
| GetAlertText | Returns the alert text. |
| GetAlertTextLen | Returns the size of the alert text. |
| GetCountOfTableDescriptors | Returns the number of descriptors in the EAS table. |
| GetDetailsAudioOOBSourceID | Returns the source identifier of the virtual audio channel for the emergency alert. |
| GetDetailsMajor | Returns the major channel number for the details channel. |
| GetDetailsMinor | Returns the minor channel number for the details channel. |
| GetDetailsOOBSourceID | Returns the source identifier of the virtual details channel for the emergency alert. |
| GetDuration | Returns the expected duration of the alert. |
| GetEASEventCode | Returns the EAS event code. |
| GetEASEventCodeLen | Returns the size of the EAS event code. |
| GetEASEventID | Returns the identifier of this emergency event. |
| GetExceptionCount | Returns the number of exception services. |
| GetExceptionService | Returns information about an exception service. |
| GetLocationCodes | Returns location codes from the EAS table. |
| GetLocationCount | Returns the number of locations in the EAS table. |
| GetNatureOfActivationText | Returns a text description of the alert. |
| GetNatureOfActivationTextLen | Returns the length of the text description of the alert. |
| GetOriginatorCode | Returns the EAS originator code. |
| GetProtocolVersion | Returns the protocol version of the EAS table. |
| GetSequencyNumber | Returns the sequence number. |
| GetStartTime | Returns the starting time of the alert. |
| GetTableDescriptorByIndex | Returns a descriptor for the EAS table. |
| GetTableDescriptorByTag | Searches the EAS table for a descriptor with the specified descriptor tag. |
| GetTimeRemaining | Returns the time that remains in the alert message. |
| GetVersionNumber | Returns the version number for the EAS table. |
| Initialize | Initializes the object. |
Requirements
Header: Include atscpsipparser.h.
See Also