init

1 files changed, 100 insertions, 0 deletions

diff --git a/Util/Sound.py b/Util/Sound.py
new file mode 100644
index 0000000..333adb5
--- /dev/null
+++ b/Util/Sound.py
@@ -0,0 +1,100 @@
+import csnd
+import os
+import socket
+import select
+import sys
+import threading
+import time
+from sugar import env
+
+import Config
+
+class CSoundClientBase:
+    def __init__(self, orc):
+        self.orc = orc
+        self.on = False
+        self.csound = csnd.Csound()
+
+    def micRecording( self, table ):
+        mess = Config.MIC_RECORDING_COMMAND % table
+        self.sendText( mess )
+
+    def load_mic_instrument( self, inst ):
+        home_path = env.get_profile_path() + Config.PREF_DIR
+        fileName = home_path + '/' + inst
+        instrumentId = Config.INSTRUMENT_TABLE_OFFSET + int(fileName[-1]) + 6
+        mess = Config.LOAD_INSTRUMENT_COMMAND % ( instrumentId, fileName )
+        self.sendText( mess )
+
+    def load_instruments( self ):
+        home_path = env.get_profile_path() + Config.PREF_DIR
+        for instrumentSoundFile in Config.INSTRUMENTS.keys():
+            if instrumentSoundFile[0:3] == 'mic' or instrumentSoundFile[0:3] == 'lab':
+                fileName = home_path + '/' + instrumentSoundFile
+            else:
+                fileName = Config.SOUNDS_DIR + "/" + instrumentSoundFile
+            instrumentId = Config.INSTRUMENT_TABLE_OFFSET + Config.INSTRUMENTS[ instrumentSoundFile ].instrumentId
+            mess = Config.LOAD_INSTRUMENT_COMMAND % ( instrumentId, fileName )
+            self.sendText( mess )
+
+    def startTime(self):
+        self.sendText("perf.InputMessage('i 5999 0.0  60000000')")
+        # if any other message arrives to csound at the same time as this one, 
+        # then the global variables will not be set up right in the orcestra
+        #
+        # NB: match this to the constant in the instrument 5777 of the csound orcestra
+        time.sleep(0.1)
+
+    def initialize( self, init = True ):
+        if init:
+            if self.on : return
+            self.on = True
+            self.perf   = csnd.CsoundPerformanceThread(self.csound)
+            self.csound.Compile( self.orc )
+            self.perf.Play()
+            self.load_instruments()
+            print 'CSoundClient = True'
+        else:
+            if not self.on : return
+            self.on = False
+            #self.csound.SetChannel('udprecv.0.on', 0)
+            #print Config.UNLOAD_TABLES_COMMAND
+            self.sendText( Config.UNLOAD_TABLES_COMMAND  )
+            #print 'PERF STOP'
+            self.perf.Stop()
+            #print 'SLEEP'
+            #time.sleep(1)
+            #print 'JOIN'
+            #time.sleep(1)
+            rval = self.perf.Join()
+            #print 'Join returned ', rval
+            #del self.perf
+            #time.sleep(1)
+            #print 'STOP'
+            #self.csound.Stop()
+            #print 'RESET'
+            self.csound.Reset()
+            print 'CSoundClient = False'
+            #careful how much cleaning up we do... don't cause a segault!
+            # better to leave a segfault for the automatic cleanning at the end of the prog
+            
+            #self.csound.Cleanup()
+            #print 'STOPPED'
+            #time.sleep(1)
+            #del self.csound
+            #print 'DELETED'
+            #time.sleep(1)
+
+    def setMasterVolume(self, volume):
+        self.csound.SetChannel('masterVolume',volume )
+
+    def sendText(self, txt):
+        #print txt
+        perf = self.perf
+        csound = self.csound
+        if 'csound' in txt:
+            print txt
+            import sys
+            sys.exit(0)
+        exec txt
+