From 6be4708f0f20da7f9065e4b12aa6baaf6595296c Mon Sep 17 00:00:00 2001
From: amartin <olpc@xo-05-28-21.localdomain>
Date: Sat, 11 Aug 2007 12:00:48 +0000
Subject: Jam intsrument picking

---
(limited to 'Jam/Fillin.py')

diff --git a/Jam/Fillin.py b/Jam/Fillin.py
new file mode 100644
index 0000000..f17fe01
--- /dev/null
+++ b/Jam/Fillin.py
@@ -0,0 +1,112 @@
+import pygtk
+pygtk.require( '2.0' )
+import gtk 
+import gobject
+
+from RythmGenerator import *
+from Util.CSoundClient import new_csound_client
+from Util.NoteDB import Note
+import Config
+
+class Fillin:
+    def __init__( self, nbeats, tempo, instrument, reverb, volume ):
+        self.notesList = []
+        self.barCount = 0
+        self.gate = 0
+        self.nbeats = nbeats
+        self.tempo = tempo
+        self.instrument = instrument
+        self.reverb = reverb
+        self.volume = volume
+        self.onsets = []
+        self.pitchs = []
+        self.playBackTimeout = None
+        self.csnd = new_csound_client()
+
+    def reset( self ):
+        self.barCount = 0
+        self.gate = 0
+
+    def setProperties( self, tempo, instrument, volume, beats, reverb ):
+        self.setTempo( tempo )
+        self.setInstrument( instrument )
+        self.setVolume( volume )
+        self.setBeats( beats )
+        self.setReverb( reverb )
+
+    def setInstrument( self, instrument ):
+        self.instrument = instrument
+ 
+    def setBeats( self, nbeats ):
+        if self.playBackTimeout != None:
+            gobject.source_remove( self.playBackTimeout )
+
+        self.nbeats = nbeats
+        self.clear()
+        self.reset()
+
+    def setTempo( self, tempo ):
+        self.tempo = tempo
+        if self.playBackTimeout != None:
+            gobject.source_remove( self.playBackTimeout )
+            self.play()
+
+    def setReverb( self, reverb ):
+        self.reverb = reverb
+        
+    def setVolume( self, volume ):
+        self.volume = volume
+
+    def play( self ):
+        if self.playBackTimeout == None:
+            self.playbackTimeout = gobject.timeout_add( int(60000/self.tempo/8), self.handleClock )
+            self.handleClock()
+
+    def stop( self ):
+        if self.playBackTimeout != None:
+            gobject.source_remove( self.playBackTimeout )
+            self.clear()
+
+    def clear( self ):
+        if self.notesList: 
+            for n in self.notesList:
+                self.csnd.loopDelete(n)
+                self.notesList = []
+
+    def handleClock( self ):
+        tick = self.csnd.loopGetTick()
+        if tick < ( Config.TICKS_PER_BEAT / 2 + 1 ):
+            if self.gate == 0:
+                self.gate = 1
+                self.barCount += 1
+                self.barCount %= 4 
+                if self.barCount == 1:
+                    self.clear()
+
+        if tick > ( ( Config.TICKS_PER_BEAT * self.nbeats ) - ( Config.TICKS_PER_BEAT / 2 ) - 1 ):
+            if self.gate == 1:
+                self.gate = 0
+                if self.barCount == 3:
+                    self.regenerate()
+        return True    
+
+    def unavailable( self, onsets, pitchs ):
+        self.onsets = onsets
+        self.pitchs = pitchs
+
+    def regenerate(self):
+        def flatten(ll):
+            rval = []
+            for l in ll:
+                rval += l
+            return rval
+        i = 500
+        self.notesList= []
+        for x in flatten( generator(self.instrument, self.nbeats, 0.4, 0.1, self.reverb) ):
+            if x.onset not in self.onsets or x.pitch not in self.pitchs:
+                x.amplitude = x.amplitude*self.volume
+                n = Note(0, x.trackId, i, x)
+                self.notesList.append(n)
+                i += 1  
+                self.csnd.loopPlay(n,1)                    #add as active
+ 
--
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