qtsndtween

Last Revision:
Version 1.0, 2003-01-14
Modify a QuickTime movie's sound track by increasing (or decreasing) the volume as it plays.
Build Requirements:
Runtime Requirements:
Carbon

QTSndTween.c defines functions that illustrate how to modify an existing QuickTime movie so that the volume of its sound track is gradually increased (or decreased) as the movie plays. We do this by adding a tween track to the movie and linking the tween track to the existing sound track. Requires: QuickTime 5 Keywords: QuickTime, movie,sound, tween, track