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This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.
The GetCaptionServiceNumber method returns the service number within the closed captioning stream for a specified caption service.
Syntax
HRESULT GetCaptionServiceNumber(
[in] BYTE bIndex,
[out] BYTE *pbVal
);
Parameters
bIndex [in]
Zero-based index of the caption service. To get the number of caption services, call ICaptionServiceDescriptor::GetNumberOfServices.pbVal [out]
Receives the caption_service_number field.
Return Value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
S_OK |
The method succeeded. |
MPEG2_E_INCORRECT_DESCRIPTOR_TAG |
The table descriptor tag is incorrect. |
MPEG2_E_MALFORMED_TABLE |
The PSIP table is not well formed. |
MPEG2_E_OUT_OF_BOUNDS |
The bIndex parameter is out of range. |
Requirements
| Header | Declared in Atscpsipparser.h. |
See Also
ICaptionServiceDescriptor Interface
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Build date: 12/4/2008