The file source (async) filter opens and reads local files of many different data formats and passes the data to a parser filter. For downloading data from the Web, use the file source (URL) filter.
The following table shows the filter properties.
| Filter property | Description |
|---|---|
| Filter Interfaces | IBaseFilter, IFileSourceFilter |
| Input Pin Media Types | Not applicable |
| Input Pin Interfaces | Not applicable |
| Output Pin Media Types | MEDIATYPE_Stream. The subtype depends on the media format. MEDIASUBTYPE_NULL if the filter does not recognize the format. |
| Output Pin Interfaces | IAsyncReader |
| Filter CLSID | CLSID_AsyncReader |
| Executable | Quartz.dll |
| Merit | MERIT_UNLIKELY |
| Filter Category | CLSID_LegacyAmFilterCategory |
See Also
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