diff options
Diffstat (limited to 'Framework/Core/EventPlayer.py')
| -rwxr-xr-x | Framework/Core/EventPlayer.py | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/Framework/Core/EventPlayer.py b/Framework/Core/EventPlayer.py deleted file mode 100755 index 3b5aa92..0000000 --- a/Framework/Core/EventPlayer.py +++ /dev/null @@ -1,168 +0,0 @@ -import pickle -import time - -import pygtk -pygtk.require( '2.0' ) -import gtk -import gobject -import math - - -from Framework.Constants import Constants -from Framework.CSound.CSoundNote import CSoundNote -from Framework.CSound.CSoundClient import CSoundClient -from Framework.CSound.CSoundConstants import CSoundConstants - -#------------------------------------------------------------------------------ -# A base class used to play a collection of Events at their respective onsets -#------------------------------------------------------------------------------ -class EventPlayer: - #----------------------------------- - # initialization - #----------------------------------- - def __init__( self ): - - self.time0 = 0 - self.horizonDelay = Constants.CSOUND_HORIZON - self.horizonTime = 0 - self.horizonOnset = 0 - - self.clockDelay = Constants.CLOCK_DELAY - self.eventDictionary = {} - - self.currentTick = 0 - - self.playbackTimeout = None - self.tempo = Constants.DEFAULT_TEMPO - - self.send_buffer = "" - - def getCurrentTick(self): - # used by keyboard - return self.currentTick - - def getTempo( self ): - return self.tempo - - - #----------------------------------- - # playback functions - #----------------------------------- - def playing( self ): - return self.playbackTimeout != None - - def startPlayback( self ): - self.time0 = time.time() - self.horizonTime = 0.0 - self.horizonOnset = 0 - #schedule the handler... - self.playbackTimeout = gobject.timeout_add( int ( 1000 * self.clockDelay) , self.handleClock ) - #and call it right away too. - self.handleClock() - - def stopPlayback( self ): - if self.playbackTimeout != None: - gobject.source_remove( self.playbackTimeout ) - self.playbackTimeout = None - self.shutOff() - - # this will happen - def handleClock( self ) : - def onsetCommand( onset, tempo, delay ): - rval = "" - if self.eventDictionary.has_key( onset ): - for event in self.eventDictionary[ onset ]: - rval += event.getText( tempo, delay) - return rval - - onsetPerSecond = self.tempo / 60.0 * Constants.TICKS_PER_BEAT - - nowTime = time.time() - self.time0 - - nextTime = self.horizonTime - nextOnset = self.horizonOnset - horizonTime = nowTime + self.horizonDelay - self.horizonOnset = int( horizonTime * onsetPerSecond ) - self.horizonTime = self.horizonOnset * onsetPerSecond - - self.send_buffer = "" - for i in range( nextOnset, self.horizonOnset ) : - self.delay = i / onsetPerSecond - nowTime - if (self.delay > 0.0 ) : - ev = self.eventDictionary - self.hookTick( ) # may modify currentTick, eventDictionary - self.send_buffer += onsetCommand( self.currentTick, self.tempo, self.delay ) - self.currentTick = self.currentTick + 1 - else : - print 'WARNING: excessive latency... dropping note with delay %f' % self.delay - - if self.send_buffer != "" : - CSoundClient.sendText( self.send_buffer ) - - #this may invoke GUI crap, which may take a long time - self.hookClock() - return True - - #this is meant to handle things that happen once per clock... like the GUI - def hookClock( self ) : - pass - # this is meant to be overridden by things that need to happen on every onset - def hookTick( self ) : - pass - - # - # serialization - # - VERSION = '_testing_' - def serialize(self, f): - pickle.dump( self.VERSION, f) - pickle.dump( self.tempo, f ) - - def unserialize(self, f): - if pickle.load( f ) != self.VERSION : - raise WrongVersionError - self.tempo = pickle.load( f ) - - # hack for shutOff tied notes when stop playing ( don't work when tracks are selected, probably not for mute... - def shutOff( self ): - for track in range( Constants.NUMBER_OF_TRACKS ): - for i in range( 3 ): - csoundInstrument = i + 101 - CSoundClient.sendText( CSoundConstants. PLAY_NOTE_OFF_COMMAND % ( csoundInstrument, track ) ) - - #----------------------------------- - # add/remove event functions (event(s) must be Event instances) - #----------------------------------- - def add( self, event ): - self.addToDictionary( self.eventDictionary ) - - def addToDictionary( self, event, eventDictionary ): - if eventDictionary.has_key( event.onset ): - eventDictionary[ event.onset ].add( event ) - else: - eventDictionary[ event.onset ] = set( [ event ] ) - - def addMultiple( self, events ): - self.addMultipleToDictionary( events, self.eventDictionary ) - - def addMultipleToDictionary( self, events, eventDictionary ): - for event in events: - self.addToDictionary( event, eventDictionary ) - - def remove( self, event ): - self.removeFromDictionary( event, self.eventDictionary ) - - def removeFromDictionary( self, event, eventDictionary ): - if eventDictionary.has_key( event.onset ) and event in eventDictionary[ event.onset ]: - eventDictionary[ event.onset ].remove( event ) - - def removeMultiple( self, events ): - self.removeMultipleFromDictionary( events, self.eventDictionary ) - - def removeMultipleFromDictionary( self, events, eventDictionary ): - for event in events: - self.removeFromDictionary( event, eventDictionary ) - - def clear( self ): - self.eventDictionary.clear() - |