il21dec.h header

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

• DirectShow

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.