You also (should) get the track name which is the only thing hooked up
in the composition.
To get the jumping bars
iTunes - turn on a QC composition as the visualizer (choose on of the
ones specified or the new IPC attached)
iTunes - turn on the visualizer (Apple-T), don't hide iTunes as it
turns off the visualizer
QC - new composition, choose music visualizer
once you click OK you will should see the jumping bars.
You can then take apart the bars composition to see how it works.
Also
/Developer/Examples/Quartz\ Composer/Compositions/Music\ Visualizers/
Club\ Lisa.qtz
has a really funny composition that has some animated characters
dancing to the tunes. And if you were at WWDC go grab the session
where Alessandro builds that composition (Quartz Composer something or
other).
HTH,
-bd-
http://bill.dudney.net/roller/objc
On Nov 8, 2007, at 12:07 PM, Roger Jones wrote:
Tried this, all I get is a giant QC icon.
rj
On Nov 7, 2007, at 5:34 PM, Alessandro Sabatelli wrote:
With Leopard, iTunes is now an official QC client. iTunes will
load all compositions which conform to the Music Visualizer
protocol and are located in the Composition Repository. To develop
a Music Visualizer you should start with the Music Visualizer
template, open iTunes and display one of the Quartz Composer Music
Visualizers included with the system (Lathe, Jelly or Stix). If
you'd like to play with any of these compositions directly they are
located in /System/Library/Compositions. By displaying a
composition within iTunes, the Quartz Composer Editor will have
access to iTunes data. I generally use a very simply composition
when developing Music Visualizers. Here's an example...
<IPC.qtz>
1. Drop this file in ~/Library/Compositions and restart iTunes.
2. Open the Quartz Composer Editor and select the Music Visualizer
template.
3. Show the viewer.
You should see some moving bars representing frequencies.
.xX
On Nov 6, 2007, at 6:48 AM, Johnson, Mark P. - Duluth wrote:
Download iVisualize.
http://web.mac.com/vogelbusch/Site/iVisualize.html
The Christoph Vogelbusch created a plugin for iTunes that allows
quartz
compositions to run as "Visualizer's" (they don't call them
screensavers,
which probably made it difficult to search for them). Just
download some of
the examples and work from there.
If you think what you create is interesting, return the favor and
post it
back to the author's web site.
Mainly the plugin allows for communication to a Quartz
Composition, so you
will be using the variables within their compositions -- don't
change them.
After that, you can do whatever you like with the album cover or
animate the
sound.
Enjoy,
Mark J
Hello everyone,
I would like to create a screen saver just like the iTunes one
provided with OS X, but I would like to fill it in with my own
folder
of images. Any help on where to start? I have looked inside the
package of the iTunes screensaver and tried opening it up in
composer,
but it doesn't have anything inside and won't open because it isn't
a .qtz file. Any ideas? Thanks for the help in advanced!!
Kevin
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