December 2002
Beginner
478 pages
17h 55m
English
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The SWF::Sound Module
The SWF::Sound object allows you to read in an MP3 file that can
be played in the background of a movie. Add the sound to a particular
frame of the movie with the SWF::Movie::setSoundStream( ) method, as in
the following example:
my movie = new SWF::Movie;
my $sound = new SWF::Sound("goldenhair.mp3"); # A 30-second MP3
$movie->setRate(24);
# Make sure we have enough frames to accommodate the sound clip
# 30 seconds * 24 fps = 720 frames
$movie->setFrames(720);
$movie->setSoundStream($sound);If the movie is shorter than the length of the sound clip, the sound is truncated, so we add enough frames to the movie to accommodate the entire 30 seconds.
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