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import pickle
from EventPlayer import EventPlayer
from Framework.Constants import Constants
from Framework.CSound.CSoundConstants import CSoundConstants
from Framework.CSound.CSoundNote import CSoundNote
from Framework.CSound.CSoundClient import CSoundClient
class TrackPlayerBase( EventPlayer ):
#-----------------------------------
# initialization
#-----------------------------------
def __init__( self, trackIDs ):
EventPlayer.__init__( self )
self.trackIDs = set( trackIDs )
self.selectedTrackIDs = set()
self.mutedTrackIDs = set()
self.trackInstruments = {} #maps trackIDs to instrumentNames
self.trackVolumes = {} #maps trackIDs to floats (volume)
CSoundNote.getVolumeCallback = self.getTrackVolume
for id in self.trackIDs :
if id == 0 :
self.trackInstruments[ id ] = CSoundConstants.FLUTE
elif id == 1 :
self.trackInstruments[ id ] = CSoundConstants.FLUTE
elif id == 2 :
self.trackInstruments[ id ] = CSoundConstants.PIZZ
elif id == 3 :
self.trackInstruments[ id ] = CSoundConstants.PIZZ
elif id == 4 :
self.trackInstruments[ id ] = CSoundConstants.CELLO
elif id == 5 :
self.trackInstruments[ id ] = CSoundConstants.DRUM1KIT
else :
self.trackInstruments[ id ] = CSoundConstants.DRUM1KIT
self.trackVolumes[ id ] = Constants.DEFAULT_VOLUME
def getTrackVolume( self, trackID ):
if self.trackVolumes.has_key( trackID ):
return self.trackVolumes[ trackID ]
else:
return Constants.DEFAULT_VOLUME
#-----------------------------------
# toggle methods
#-----------------------------------
def toggleSelectTrack( self, trackID ):
self.toggle( self.selectedTrackIDs, trackID )
self.update()
def toggleMuteTrack( self, trackID ):
self.toggle( self.mutedTrackIDs, trackID )
self.update()
def toggle( self, set, object ):
if object in set:
set.discard( object )
else:
set.add( object )
for i in range( 3 ):
csoundInstrument = i + 101
CSoundClient.sendText( CSoundConstants. PLAY_NOTE_OFF_COMMAND % ( csoundInstrument, object ) )
#-----------------------------------
# misc methods
#-----------------------------------
def getActiveTrackIDs( self ):
if len( self.selectedTrackIDs ) == 0:
return self.trackIDs
else:
return self.selectedTrackIDs
# data is a tuple ( trackID, instrumentName )
def setInstrument( self, data ):
trackID = data[0]
instrument = data[1]
for event in self.getEvents( trackID ):
event.instrument = instrument
self.trackInstruments[ trackID ] = instrument
def update( self ):
raise NotImplementedError
#
# serialization
#
def serialize(self, f):
EventPlayer.serialize(self, f)
pickle.dump( self.pageBeatsDictionary, f )
pickle.dump( self.trackIDs, f )
pickle.dump( self.selectedTrackIDs, f )
pickle.dump( self.mutedTrackIDs, f )
pickle.dump( self.trackInstruments, f )
pickle.dump( self.trackVolumes, f )
def unserialize(self, f):
EventPlayer.unserialize(self, f )
self.pageBeatsDictionary = pickle.load( f )
self.trackIDs = pickle.load( f )
self.selectedTrackIDs = pickle.load( f )
self.mutedTrackIDs = pickle.load( f )
self.trackInstruments = pickle.load( f )
self.trackVolumes = pickle.load( f )
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