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il21dec.h header

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This header is used by DirectShow. For more information, see:

il21dec.h contains the following programming interfaces:

Interfaces

 
IAMLine21Decoder

The IAMLine21Decoder interface sets and retrieves information about closed captions.The Line 21 Decoder filter exposes this interface.

Enumerations

 
AM_LINE21_CCLEVEL

Indicates the closed caption decoder level.
AM_LINE21_CCSERVICE

Indicates the closed captioning service.
AM_LINE21_CCSTATE

Indicates the closed captioning state (on or off).
AM_LINE21_DRAWBGMODE

Indicates the closed captioning text background mode.