[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [31060] branches/soc-2010-nexyon/intern/ audaspace/Python/doc/examples/aud.Device.lock.py: Audaspace: Added an example.

[Joerg Mueller]

Revision: 31060
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=31060
Author:   nexyon
Date:     2010-08-05 10:21:58 +0200 (Thu, 05 Aug 2010)

Log Message:
-----------
Audaspace: Added an example.

Added Paths:
-----------
    branches/soc-2010-nexyon/intern/audaspace/Python/doc/examples/aud.Device.lock.py

Copied: branches/soc-2010-nexyon/intern/audaspace/Python/doc/examples/aud.Device.lock.py (from rev 31028, branches/soc-2010-nexyon/intern/audaspace/Python/doc/examples/aud.Factory.filter.py)
===================================================================
--- branches/soc-2010-nexyon/intern/audaspace/Python/doc/examples/aud.Device.lock.py	                        (rev 0)
+++ branches/soc-2010-nexyon/intern/audaspace/Python/doc/examples/aud.Device.lock.py	2010-08-05 08:21:58 UTC (rev 31060)
@@ -0,0 +1,20 @@
+import aud
+import time
+
+def crossfade(device, handle, source, target, time, loop = -1):
+	device.lock()
+	position = handle.position
+	handle.stop()
+	device.play(source.limit(position, position+time).fadeout(0, time))
+	handle = device.play(target.loop(loop).fadein(0, time))
+	device.unlock()
+	return handle
+
+source = aud.Factory.sine(440)
+target = aud.Factory.sine(390)
+
+d = aud.device()
+
+h = d.play(source)
+time.sleep(5)
+h = crossfade(d, h, source, target, 5)
\ No newline at end of file