IDvbFrequencyListDescriptor interface (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.]
This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.
The IDvbFrequencyListDescriptor interface enables the client to get a frequency list descriptor from a DVB stream. The frequency list descriptor may be present in the network information table (NIT). For more information, refer to ETSI EN 300 468.
Inheritance
The IDvbFrequencyListDescriptor interface inherits from the IUnknown interface. IDvbFrequencyListDescriptor also has these types of members:
Methods
The IDvbFrequencyListDescriptor interface has these methods.
| IDvbFrequencyListDescriptor::GetCodingType This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later. |
| IDvbFrequencyListDescriptor::GetCountOfRecords This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later. |
| IDvbFrequencyListDescriptor::GetLength This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later. |
| IDvbFrequencyListDescriptor::GetRecordCentreFrequency This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later. |
| IDvbFrequencyListDescriptor::GetTag This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later. |
Remarks
To obtain a pointer to this interface, do the following:
- Call IDvbSiParser::GetNIT to get the IDVB_NIT interface.
- Call IDVB_NIT::GetRecordDescriptorByTag and pass in the frequency list descriptor tag (0x62). If the descriptor is present, the method returns an IGenericDescriptor pointer.
- Query the returned IGenericDescriptor pointer for the IDvbFrequencyListDescriptor interface.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | dvbsiparser.h |