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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
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