Inside Macintosh: QuickTime Components /

Chapter 5 - Sequence Grabber Components / Sequence Grabber Components Reference

Sequence Grabber Component Functions / Working With Sequence Grabber Characteristics

SGGetTimeBase

The SGGetTimeBase function allows you to retrieve a reference to the time base that is being used by a sequence grabber component.

pascal ComponentResult SGGetTimeBase (SeqGrabComponent s, 
                                       TimeBase *tb);

s

Specifies the component instance that identifies your connection to the sequence grabber component. You obtain this value from the Component Manager OpenDefaultComponent or OpenComponent function.

tb

Contains a pointer to a time base record that is to receive information about the sequence grabber's time base.

DESCRIPTION

You can examine the time base to monitor an operation or to schedule events based on time values. However, you should not change this time base in any way.

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