Inside Macintosh: QuickTime /

Chapter 2 - Movie Toolbox / Movie Toolbox Reference

Time Base Functions / Time Base Callback Functions

GetCallBackTimeBase

You can retrieve the time base of a callback event by calling the GetCallBackTimeBase function. Your application specifies the callback event's time base by calling the NewCallBack function, which is described on page 2-317.

pascal TimeBase GetCallBackTimeBase (QTCallBack cb);

cb

Specifies the callback event for the operation. You obtain this value from the NewCallBack function.

DESCRIPTION

The GetCallBackTimeBase function returns a reference to the callback event's time base.

ERROR CODES

None