class RecorderApp(QDialog):
def __init__(self):
super().__init__()
self.ui = Ui_Dialog()
self.ui.setupUi(self)
# variables
self.emotion_set = (
'Pleasure',
'Joy',
'Pride',
'Amusement',
'Interest',
'Anger',
'Hate',
'Contempt',
'Disgust',
'Fear',
'Disappointment',
'Shame',
'Regret',
'Guilt',
'Sadness',
'Compassion',
'Relief',
'Admiration',
'Love',
'Contentment',
)
self.emotion_buttons = (
self.ui.radioButtonEmotion1,
self.ui.radioButtonEmotion2,
self.ui.radioButtonEmotion3,
self.ui.radioButtonEmotion4,
self.ui.radioButtonEmotion5,
self.ui.radioButtonEmotion6,
self.ui.radioButtonEmotion7,
self.ui.radioButtonEmotion8,
self.ui.radioButtonEmotion9,
self.ui.radioButtonEmotion10,
self.ui.radioButtonEmotion11,
self.ui.radioButtonEmotion12,
self.ui.radioButtonEmotion13,
self.ui.radioButtonEmotion14,
self.ui.radioButtonEmotion15,
self.ui.radioButtonEmotion16,
self.ui.radioButtonEmotion17,
self.ui.radioButtonEmotion18,
self.ui.radioButtonEmotion19,
self.ui.radioButtonEmotion20,
)
self.emotion_button_dict = dict(
zip(self.emotion_set, self.emotion_buttons))
self.dataset_path = ''
self.file_path = ''
self.name_confirmed = False
self.emotion_selected = False
self.is_recording = False
self.ready_to_record = False
# other settings
self.ui.stopButton.setEnabled(False)
self.ui.recordButton.setEnabled(False)
self.ui.editButton.setEnabled(False)
self.timer = QtCore.QTimer()
self._reset_time()
self._set_audio_device_box()
self._set_midi_device_box()
self._open_midi_device()
for emotion in self.emotion_set:
self.emotion_button_dict[emotion].setText(emotion)
# messages
self.ui.recordButton.clicked.connect(self.start_recording)
self.ui.stopButton.clicked.connect(self.stop_recording)
self.ui.browseButton.clicked.connect(self.open_file_dialog)
self.timer.timeout.connect(self.timer_event)
self.ui.confirmButton.clicked.connect(self.confirm_name)
self.ui.editButton.clicked.connect(self.edit_name)
for emotion_button in self.emotion_buttons:
emotion_button.clicked.connect(self.select_emotion)
self.ui.instrumentBox.currentIndexChanged.connect(
self._update_phrase_numbers)
self.ui.midiDeviceBox.currentIndexChanged.connect(
self._open_midi_device)
def keyPressEvent(self, QKeyEvent):
if QKeyEvent.key() == QtCore.Qt.Key_Space and self.ready_to_record:
if self.ui.recordButton.isEnabled():
self.ui.recordButton.clicked.emit()
elif self.ui.stopButton.isEnabled():
self.ui.stopButton.clicked.emit()
def select_emotion(self):
self.emotion_selected = True
self._update_status()
self._update_phrase_numbers()
def confirm_name(self):
self.name_confirmed = True
self._update_status()
self._update_phrase_numbers()
def edit_name(self):
self.name_confirmed = False
self._update_status()
self._update_phrase_numbers()
def open_file_dialog(self):
dname = QFileDialog.getExistingDirectory(self, 'Select Directory')
self.dataset_path = dname
self.ui.dirPath.setText(dname)
self._update_status()
self._update_phrase_numbers()
def start_recording(self):
self.file_path = self._get_save_path()
# initialize stream
audio_device_index = self._get_audio_device_index()
for device in AudioDevice().list_devices():
if device['index'] == audio_device_index:
channels = device['channels']
# TODO: Now I set `channels=1` to make the audio file to be mono.
# It's only for the current audio interface. It's supposed to be
# variable `channels`. Also it can be improved by specifying a certain
# channel of input device, and always making the audio file mono.
self.recording_file = Recorder(channels=1).open(
self.file_path, audio_device_index)
self.recording_file.start_recording()
# update objects
# update the buttons' status
self.is_recording = True
self._update_status()
# clean up any text in promptLabel
self.ui.promptLabel.setText('')
# start counting
self.timer.start(1000)
def stop_recording(self):
self.recording_file.stop_recording()
self.recording_file.close()
# clean up
# update the buttons' status and phrase numbers
self.is_recording = False
self._update_status()
self._update_phrase_numbers()
# reset the timer
self.timer.stop()
self._reset_time()
# show the path
self.ui.promptLabel.setText('Saved file to: ' + self.file_path)
# reset the file path
self.file_path = ''
def timer_event(self):
self.time = self.time.addSecs(1)
self.ui.timeLabel.setText(self.time.toString('mm:ss'))
def _update_status(self):
# Update the buttons of name confirmation
if self.name_confirmed:
self.ui.editButton.setEnabled(True)
self.ui.confirmButton.setEnabled(False)
self.ui.nameEdit.setEnabled(False)
else:
self.ui.editButton.setEnabled(False)
self.ui.confirmButton.setEnabled(True)
self.ui.nameEdit.setEnabled(True)
# Users can press record only after confirming the name
# and selecting a emotion.
self.ready_to_record = self.emotion_selected and self.name_confirmed and self.dataset_path != ''
if self.ready_to_record:
if self.is_recording:
self.ui.recordButton.setEnabled(False)
self.ui.stopButton.setEnabled(True)
for emotionButton in self.emotion_buttons:
emotionButton.setEnabled(False)
else:
self.ui.recordButton.setEnabled(True)
self.ui.stopButton.setEnabled(False)
for emotionButton in self.emotion_buttons:
emotionButton.setEnabled(True)
else:
self.ui.recordButton.setEnabled(False)
self.ui.stopButton.setEnabled(False)
def _set_audio_device_box(self):
# format: "idx - device name"
devices = AudioDevice().list_devices()
items = []
for device in devices:
index = device['index']
name = device['name']
item = str(index) + ' - ' + name
items.append(item)
self.ui.audioDeviceBox.addItems(items)
def _get_audio_device_index(self):
# return the number at the beginning as the index
return int(
re.match('\d+', self.ui.audioDeviceBox.currentText()).group())
def _set_midi_device_box(self):
devices = MidiDevice().list_devices()
self.ui.midiDeviceBox.addItems(devices)
def _open_midi_device(self):
def callback_start():
if self.ready_to_record:
if self.ui.recordButton.isEnabled():
self.ui.recordButton.clicked.emit()
def callback_end():
if self.ready_to_record:
if self.ui.stopButton.isEnabled():
self.ui.stopButton.clicked.emit()
device_name = self.ui.midiDeviceBox.currentText()
if device_name != '':
midi_pedal = MidiPedal(start_note=48, end_note=60)
midi_pedal.open_device(device_name, callback_start, callback_end)
def _reset_time(self):
self.time = QtCore.QTime(0, 0, 0)
self.ui.timeLabel.setText('00:00')
def _get_emotion(self):
for emotion in self.emotion_set:
if self.emotion_button_dict[emotion].isChecked():
return emotion
def _get_name(self):
return self.ui.nameEdit.text()
def _get_instruemt(self):
return self.ui.instrumentBox.currentText()
def _get_save_path(self):
emotion = self._get_emotion()
instrument = self._get_instruemt()
name = self._get_name()
dir_path = os.path.join(self.dataset_path, emotion, instrument)
if not os.path.exists(dir_path):
os.makedirs(dir_path)
filename = name + '-' + datetime.datetime.now().strftime(
'%Y-%m-%d-%H-%M-%S') + '.wav'
file_path = os.path.join(dir_path, filename)
return file_path
def _update_phrase_numbers(self):
phrase_numbers = {emotion: 0 for emotion in self.emotion_set}
instrument = self._get_instruemt()
# count the phrase numbers of each emotion
for emotion in self.emotion_set:
dir_path = os.path.join(self.dataset_path, emotion, instrument)
# no directory means no phrase of this emotion has been recorded
if not os.path.exists(dir_path):
continue
# count the number of files
for filename in os.listdir(dir_path):
if re.match('^' + self._get_name(), filename):
phrase_numbers[emotion] += 1
# update the number display
for emotion in self.emotion_set:
# display the number when it's bigger than 0
if phrase_numbers[emotion] > 0:
self.emotion_button_dict[emotion].setText(
emotion + '(' + str(phrase_numbers[emotion]) + ')')
else:
self.emotion_button_dict[emotion].setText(emotion)
logging.debug("The {} iteration!".format(cnt))
lidar_data, extra_data = vlp.update()
if not args.no_camera:
frame = shot(cam)
data_dict = {
"lidar_data": lidar_data,
"extra_data": extra_data,
"frame": frame
}
else:
data_dict = {
"lidar_data": lidar_data,
"extra_data": extra_data
}
recorder.add(data_dict)
cnt += 1
if args.timestep > 0 and cnt == args.timestep:
break
except KeyboardInterrupt:
logging.critical("KEYBOARD INTERRUPTED!")
finally:
et = time.time()
logging.info(
"Recording Finish! It take {} seconds and collect {} data! Average FPS {}."
.format(et - st, cnt, cnt / (et - st)))
close_vlp(vlp)
if not args.no_camera:
close_camera(cam)
recorder.close()
