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import pygtk
pygtk.require( '2.0' )
import gtk
import Config
from Generation.GenerationConstants import GenerationConstants
from Util.NoteDB import Note
from Util.CSoundNote import CSoundNote
from Util.CSoundClient import new_csound_client
KEY_MAP_PIANO = Config.KEY_MAP_PIANO
class KeyboardStandAlone:
def __init__( self, recordingFunction, adjustDurationFunction, getCurrentTick, getPlayState, loop ):
self.csnd = new_csound_client()
self.recording = recordingFunction
self.adjustDuration = adjustDurationFunction
self.getPlayState = getPlayState
self.key_dict = dict()
self.onset_dict = dict()
self.trackCount = 0
self.instrument = 'flute'
self.reverb = 0
self.loop = loop
self.loopSustain = False
self.sustainedLoop = []
def setInstrument( self , instrument ):
self.instrument = instrument
def setReverb(self , reverb):
self.reverb = reverb
def onKeyPress(self,widget,event, volume):
key = event.hardware_keycode
if key == 50: #Left Shift
self.loopSustain = True
# If the key is already in the dictionnary, exit function (to avoir key repeats)
if self.key_dict.has_key(key):
return
if key in Config.LOOP_KEYS:
if key in self.sustainedLoop:
self.loop.stop(key)
self.sustainedLoop.remove(key)
elif self.loopSustain:
self.loop.start(key, self.instrument, self.reverb)
self.sustainedLoop.append(key)
else:
self.loop.start(key, self.instrument, self.reverb)
return
# Assign on which track the note will be created according to the number of keys pressed
if self.trackCount >= 9:
self.trackCount = 1
track = self.trackCount
self.trackCount += 1
# If the pressed key is in the keymap
if KEY_MAP_PIANO.has_key(key):
# CsoundNote parameters
pitch = KEY_MAP_PIANO[key]
duration = -1
instrument = self.instrument
if event.state == gtk.gdk.MOD1_MASK:
pitch = pitch+5
if instrument[ 0: 4 ] == 'drum':
if GenerationConstants.DRUMPITCH.has_key( pitch ):
pitch = GenerationConstants.DRUMPITCH[ pitch ]
if Config.INSTRUMENTS[instrument].kit != None:
instrument = Config.INSTRUMENTS[instrument].kit[pitch].name
pitch = 36
duration = 100
if Config.INSTRUMENTS[instrument].csoundInstrumentId == Config.INST_PERC: #Percussions resonance
duration = 60
# Create and play the note
self.key_dict[key] = CSoundNote(onset = 0,
pitch = pitch,
amplitude = volume,
pan = 0.5,
duration = duration,
trackId = track,
instrumentId = Config.INSTRUMENTS[instrument].instrumentId,
reverbSend = self.reverb,
tied = True,
mode = 'mini')
self.csnd.play(self.key_dict[key], 0.3)
if self.getPlayState():
recOnset = self.csnd.loopGetTick()
self.onset_dict[key] = recOnset
self.recording( CSoundNote(
onset = recOnset,
pitch = pitch,
amplitude = volume,
pan = 0.5,
duration = 100,
trackId = 0,
decay = .1,
instrumentId = Config.INSTRUMENTS[instrument].instrumentId,
reverbSend = self.reverb,
tied = False,
mode = 'mini'))
def onKeyRelease(self,widget,event):
key = event.hardware_keycode
if key == 50:
self.loopSustain = False
if key in Config.LOOP_KEYS:
if key in self.sustainedLoop:
return
else:
self.loop.stop(key)
return
if KEY_MAP_PIANO.has_key(key):
csnote = self.key_dict[key]
if Config.INSTRUMENTSID[ csnote.instrumentId ].csoundInstrumentId == Config.INST_TIED:
csnote.duration = .5
csnote.decay = 0.7
#csnote.amplitude = 1
csnote.tied = False
csnote.mode = 'mini'
self.csnd.play(csnote, 0.3)
if self.getPlayState():
self.adjustDuration(csnote.pitch, self.onset_dict[key])
del self.key_dict[key]
if self.getPlayState():
if self.onset_dict.has_key(key):
del self.onset_dict[key]
def onButtonPress( self, widget, event ):
pass
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