def __init__(self):
"""
generate other windows, floppy output control and create the gui
"""
super(MainWindow, self).__init__()
#debug
pygame.midi.init() #debug
self.mout = pygame.midi.Output(pygame.midi.get_default_output_id())
self.midi_in = MidiIn(self.cb_midi_event)
self.midi_fin = MidiFileIn(self.cb_midi_event_list)
self.fout = FloppyOut()
self.settingswindow = SettingsWindow(self.midi_in, self.fout)
self.init_ui()
self.midi_in.start_midi_polling()
class MainWindow(QtGui.QMainWindow):
"""
The mainwindow containing options to fine tune things
and start everything up.
"""
def cb_midi_event_list(self, event_list):
# parsing the events
# ==================
# only note on, note off and pitch wheel range are
# important for us, so the other midi events are just ignored.
# status, data1, data2, tick
event_str = None
channel = None
for event in event_list:
status = event.statusmsg
tick = event.tick
if event.name == "Note Off":
status += event.channel # due to buggy python-midi lib
channel = status - 0x80 + 1
midi_note = event.data[0]
velocity = event.data[1]
event_str = "Chan %s Note off" % channel
self.fout.stop_note(channel)
self.mout.note_off(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
elif event.name == "Note On":
status += event.channel # due to buggy python-midi lib
channel = status - 0x90 + 1
midi_note = event.data[0]
velocity = event.data[1]
event_str = "Chan %s Note on" % channel
if velocity > 0:
self.mout.note_on(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
self.fout.play_note(channel, midi_note)
else:
self.mout.note_on(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
self.fout.stop_note(channel) # a volume of 0 is the same as note off
elif event.name == "Set Tempo":
self.midi_fin.set_bpm(event.bpm)
elif event.name == "Program Change": # Chan Program change (change instrument)
if self.mout is not None:
self.mout.set_instrument(event.data[0], event.channel)
# elif status >= 0xE0 and status <= 0xEF: # pitch bend (TODO: don't ignore!)
# channel = status - 0xE0 + 1
# velocity = event.data[1]
# pitch_value = 128 * velocity
# event_str = "Chan %s pitch bend with value %s and" % (channel, pitch_value)
else:
event_str = "unknown event (0x%0X)" % (status)
if event_str != None:
pass
#print "%s with note %s and velocity %s @ %s" % (event_str, midi_note, velocity, tick)
# used for live midi
def cb_midi_event(self, status, data1, data2, tick):
# parsing the events
# ==================
# only note on, note off and pitch wheel range are
# important for us, so the other midi events are just ignored.
event_str = None
channel = None
if status >= 0x80 and status <= 0x8F: # Note Off
channel = status - 0x80 + 1
midi_note = data1
velocity = data2
event_str = "Chan %s Note off" % channel
self.fout.stop_note(channel)
#self.mout.note_off(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
elif status >= 0x90 and status <= 0x9F: # Note On
channel = status - 0x90 + 1
midi_note = data1
velocity = data2
event_str = "Chan %s Note on" % channel
if velocity > 0:
#self.mout.note_on(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
self.fout.play_note(channel, midi_note)
else:
#self.mout.note_on(midi_note, velocity, channel - 1) # only for debugging. remove later!!!
self.fout.stop_note(channel) # a volume of 0 is the same as note off
elif status >= 0xA0 and status <= 0xAF: # Polyphonic Aftertouch (ignore)
return
elif status >= 0xB0 and status <= 0xBF: # Chan Control mode change (ignore)
return
elif status >= 0xC0 and status <= 0xCF: # Chan Program change (ignore)
return #self.mout.set_instrument(event.data, event.channel)
elif status >= 0xD0 and status <= 0xDF: # Channel Aftertouch (ignore)
return
elif status >= 0xE0 and status <= 0xEF: # pitch bend (TODO: don't ignore!)
channel = status - 0xE0 + 1
velocity = data2
pitch_value = 128 * velocity
event_str = "Chan %s pitch bend with value %s and" % (channel, pitch_value)
else:
event_str = "unknown event (0x%0X)" % (status)
print "%s with note %s and velocity %s @ %s" % (event_str, data1, data2, tick)
return
if event_str != None:
pass
#print "%s with note %s and velocity %s @ %s" % (event_str, midi_note, velocity, tick)
def __init__(self):
"""
generate other windows, floppy output control and create the gui
"""
super(MainWindow, self).__init__()
#debug
pygame.midi.init() #debug
self.mout = pygame.midi.Output(pygame.midi.get_default_output_id())
self.midi_in = MidiIn(self.cb_midi_event)
self.midi_fin = MidiFileIn(self.cb_midi_event_list)
self.fout = FloppyOut()
self.settingswindow = SettingsWindow(self.midi_in, self.fout)
self.init_ui()
self.midi_in.start_midi_polling()
def setFloatNum(self, float_num):
self.lab_freq.setText( "%.2f" % (float_num / 100.0) )
def init_ui(self):
"""
create the gui and connect actions
"""
self.resize(480, 320)
self.setWindowTitle('FlyFi - Floppy-Fidelity')
self.setWindowIcon(QtGui.QIcon('images/flyfi-logo.png'))
self.center()
self.statusBar().showMessage('Ready')
act_exit = QtGui.QAction(QtGui.QIcon('images/exit.png'), '&Exit', self)
act_exit.setShortcut('Ctrl+Q')
act_exit.setStatusTip('Exit application')
act_exit.triggered.connect(QtCore.QCoreApplication.instance().quit)
act_settings = QtGui.QAction(QtGui.QIcon('images/settings.png'),
'&Settings', self)
act_settings.setShortcut('Ctrl+S')
act_settings.setStatusTip('Configure FlyFi')
act_settings.triggered.connect(self.cb_open_settings_window)
menubar = self.menuBar()
file_menu = menubar.addMenu('&File')
file_menu.addAction(act_settings)
file_menu.addAction(act_exit)
toolbar = self.addToolBar('Toolbar')
toolbar.addAction(act_settings)
toolbar.addAction(act_exit)
# midi player
openMidiButton = QtGui.QPushButton("Open Midi")
openMidiButton.clicked.connect(self.showFileDialog)
playButton = QtGui.QPushButton("Play")
playButton.clicked.connect(self.playMidiFile)
hbox = QtGui.QHBoxLayout()
hbox.addWidget(openMidiButton)
hbox.addWidget(playButton)
hbox.addStretch(1)
vbox = QtGui.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addStretch(1)
centralwidget = QtGui.QWidget()
centralwidget.setLayout(vbox)
self.setCentralWidget(centralwidget)
def showFileDialog(self):
fname, _ = QtGui.QFileDialog.getOpenFileName(self, 'Open file')
self.midi_fin.open_midi_file(fname)
def playMidiFile(self):
self.midi_fin.play()
def center(self):
"""
center the window on the screen
"""
frame_geo = self.frameGeometry()
desktop_center = QtGui.QDesktopWidget().availableGeometry().center()
frame_geo.moveCenter(desktop_center)
self.move(frame_geo.topLeft())
def cb_open_settings_window(self):
self.settingswindow.show()
self.settingswindow.cb_update_serial_ports()
