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This topic applies to Windows XP Service Pack 1 or later.
The XDS Codec filter supports third-party software that decodes TV ratings information from the extended data services (XDS) channel of line 21.
This filter receives XDS data from the CC Decoder filter or some other source. It passes this data to the XDSToRat object, which is responsible for parsing the data into content ratings. The XDSToRat object returns the decoded ratings to the XDS Codec filter.
| Filter interfaces | IBaseFilter, IBroadcastEvent, IXDSCodec |
| Input pin media types | Major type: MEDIATYPE_AUXLine21Data
Subtype: MEDIASUBTYPE_Line21_BytePair |
| Input pin interfaces | IMemInputPin, IPin, IQualityControl |
| Output pin media types | Not applicable |
| Output pin interfaces | Not applicable |
| Filter CLSID | CLSID_XDSCodec |
| Merit | MERIT_DO_NOT_USE |
| Filter category | CLSID_CPCAFiltersCategory |
See Also
Overview of the TV Ratings System
About the Stream Buffer Engine
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Build date: 12/4/2008