def __init__(self):
super(AudioTest, self).__init__()
self.m_device = QAudioDeviceInfo.defaultOutputDevice()
self.m_output = None
self.initializeWindow()
self.initializeAudio()
def __init__(self):
super(AudioTest, self).__init__()
self.m_device = QAudioDeviceInfo.defaultOutputDevice()
self.m_output = None
self.initializeWindow()
self.initializeAudio()
def __init__(self, parent=None):
print("Tone Widget inst")
QWidget.__init__(self, parent)
self.activeGen = ActiveGen(sampleRate=SAMPLE_RATE,
samplePerRead=Meep.SAMPLES_PER_READ)
self.createUI(self)
# Meep playback format initialization
format = QAudioFormat()
format.setChannelCount(AUDIO_CHANS)
format.setSampleRate(SAMPLE_RATE)
format.setSampleSize(SAMPLE_SIZE)
format.setCodec("audio/pcm")
format.setByteOrder(QAudioFormat.LittleEndian)
format.setSampleType(QAudioFormat.SignedInt)
# check compatibility of format with device
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if info.isFormatSupported(format) is False:
print(
"Raw audio format not supported by backend, cannot play audio."
)
return None
# Audio Output init
self.output = QAudioOutput(format, self)
output_buffer_size = \
int(2*SAMPLE_RATE \
*CTRL_INTERVAL/1000)
self.output.setBufferSize(output_buffer_size)
# initialize and start the audio playback
self.generator = Meep(format, self.activeGen, self)
self.generator.start()
self.output.start(self.generator)
# Create the port reader object
self.midiListener = MidiPortReader()
# Create a thread which will read it
self.listenerThread = QThread()
# move QObjet to a new thread
self.midiListener.moveToThread(self.listenerThread)
# Connect the signals to slot functions
self.midiListener.newNoteFrequency.connect(self.activeGen.setFreq)
self.midiListener.newNotePress.connect(self.activeGen.setNote)
# Tell Qt the function to call
# when it starts the thread
self.listenerThread.started.connect(self.midiListener.listener)
# start the thread
self.listenerThread.start()
def __init__(self, parent=None):
QWidget.__init__(self, parent)
format = QAudioFormat()
format.setChannelCount(1)
format.setSampleRate(22050)
format.setSampleSize(16)
format.setCodec("audio/pcm")
format.setByteOrder(QAudioFormat.LittleEndian)
format.setSampleType(QAudioFormat.SignedInt)
self.output = QAudioOutput(format, self)
self.frequency = 440
self.volume = 0
self.buffer = QBuffer()
self.data = QByteArray()
self.deviceLineEdit = QLineEdit()
self.deviceLineEdit.setReadOnly(True)
self.deviceLineEdit.setText(
QAudioDeviceInfo.defaultOutputDevice().deviceName())
self.pitchSlider = QSlider(Qt.Horizontal)
self.pitchSlider.setMaximum(100)
self.volumeSlider = QSlider(Qt.Horizontal)
self.volumeSlider.setMaximum(32767)
self.volumeSlider.setPageStep(1024)
self.playButton = QPushButton(self.tr("&Play"))
self.pitchSlider.valueChanged.connect(self.changeFrequency)
self.volumeSlider.valueChanged.connect(self.changeVolume)
self.playButton.clicked.connect(self.play)
formLayout = QFormLayout()
formLayout.addRow(self.tr("Device:"), self.deviceLineEdit)
formLayout.addRow(self.tr("P&itch:"), self.pitchSlider)
formLayout.addRow(self.tr("&Volume:"), self.volumeSlider)
buttonLayout = QVBoxLayout()
buttonLayout.addWidget(self.playButton)
buttonLayout.addStretch()
horizontalLayout = QHBoxLayout(self)
horizontalLayout.addLayout(formLayout)
horizontalLayout.addLayout(buttonLayout)
self.play()
self.createData()
def initializeAudio(self):
self.m_pullTimer = QTimer(self, timeout=self.pullTimerExpired)
self.m_pullMode = True
self.m_format = QAudioFormat()
self.m_format.setSampleRate(self.DataSampleRateHz)
self.m_format.setChannelCount(1)
self.m_format.setSampleSize(16)
self.m_format.setCodec('audio/pcm')
self.m_format.setByteOrder(QAudioFormat.LittleEndian)
self.m_format.setSampleType(QAudioFormat.SignedInt)
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if not info.isFormatSupported(self.m_format):
qWarning("Default format not supported - trying to use nearest")
self.m_format = info.nearestFormat(self.m_format)
self.m_generator = Generator(self.m_format,
self.DurationSeconds * 1000000, self.ToneSampleRateHz, self)
self.createAudioOutput()
def initializeAudio(self):
self.m_pullTimer = QTimer(self, timeout=self.pullTimerExpired)
self.m_pullMode = True
self.m_format = QAudioFormat()
self.m_format.setSampleRate(self.DataSampleRateHz)
self.m_format.setChannelCount(1)
self.m_format.setSampleSize(16)
self.m_format.setCodec('audio/pcm')
self.m_format.setByteOrder(QAudioFormat.LittleEndian)
self.m_format.setSampleType(QAudioFormat.SignedInt)
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if not info.isFormatSupported(self.m_format):
qWarning("Default format not supported - trying to use nearest")
self.m_format = info.nearestFormat(self.m_format)
self.m_generator = Generator(self.m_format,
self.DurationSeconds * 1000000, self.ToneSampleRateHz, self)
self.createAudioOutput()
def _uic(self):
"""
set up our layout which consists of:
Big Honkin' Label
[input combobox] [output combobox]
[volume slider] [x] Mute
hooking put the signals to useful slots is the job
of __init__. Here just make the layout.
"""
self.setMinimumWidth(400)
# Create the big honkin' label and logo
icon_pixmap = QPixmap(":/icon.png").scaledToWidth(64)
icon_label = QLabel()
icon_label.setPixmap(icon_pixmap)
text_label = QLabel("Sidetone!")
hb_label = QHBoxLayout()
hb_label.addStretch(1)
hb_label.addWidget(icon_label, 0)
hb_label.addWidget(text_label, 0)
hb_label.addStretch(1)
# Create a list of QAudioInfo objects for inputs
self.input_info_list = QAudioDeviceInfo.availableDevices(QAudio.AudioInput)
if 0 == len(self.input_info_list):
self.input_info_list = [QAudioDeviceInfo.defaultInputDevice()]
# Create a combo box and populate it with names of inputs
self.cb_inputs = QComboBox()
self.cb_inputs.addItems([audio_info.deviceName() for audio_info in self.input_info_list])
# Create a list of QAudioInfo objects for outputs
self.otput_info_list = QAudioDeviceInfo.availableDevices(QAudio.AudioOutput)
if 0 == len(self.otput_info_list):
self.otput_info_list = [QAudioDeviceInfo.defaultOutputDevice()]
self.status_bar.showMessage(
"{} inputs {} otputs".format(len(self.input_info_list), len(self.otput_info_list)), 2000
)
# Create a combo box and populate it with names of outputs
self.cb_otputs = QComboBox()
self.cb_otputs.addItems([audio_info.deviceName() for audio_info in self.otput_info_list])
# Lay those two out aligned to the outside
hb_combos = QHBoxLayout()
hb_combos.addWidget(self.cb_inputs, 1)
hb_combos.addStretch(0)
hb_combos.addWidget(self.cb_otputs, 1)
# Create a volume slider from 0 to 100.
self.volume = QSlider(Qt.Horizontal, self)
self.volume.setMinimum(0)
self.volume.setMaximum(100)
self.volume.setTickInterval(10)
self.volume.setTickPosition(QSlider.TicksBothSides)
# Create a checkbox "Mute"
self.mute = QCheckBox("Mute")
# Put those together in a row squeezed in the center
hb_volume = QHBoxLayout()
hb_volume.addStretch(1)
hb_volume.addWidget(self.volume, 1)
hb_volume.addWidget(self.mute, 0)
hb_volume.addStretch(1)
# Stack all those up as this widget's layout
vlayout = QVBoxLayout()
vlayout.addLayout(hb_label)
vlayout.addLayout(hb_combos)
vlayout.addLayout(hb_volume)
self.setLayout(vlayout)
def _uic(self):
'''
set up our layout which consists of:
Big Honkin' Label
[input combobox] [output combobox]
[volume slider] [x] Mute
hooking put the signals to useful slots is the job
of __init__. Here just make the layout.
'''
self.setMinimumWidth(400)
# Create the big honkin' label and logo
icon_pixmap = QPixmap(':/icon.png').scaledToWidth(64)
icon_label = QLabel()
icon_label.setPixmap(icon_pixmap)
text_label = QLabel("Sidetone!")
hb_label = QHBoxLayout()
hb_label.addStretch(1)
hb_label.addWidget(icon_label, 0)
hb_label.addWidget(text_label, 0)
hb_label.addStretch(1)
# Create a list of QAudioInfo objects for inputs
self.input_info_list = QAudioDeviceInfo.availableDevices(
QAudio.AudioInput)
if 0 == len(self.input_info_list):
self.input_info_list = [QAudioDeviceInfo.defaultInputDevice()]
# Create a combo box and populate it with names of inputs
self.cb_inputs = QComboBox()
self.cb_inputs.addItems(
[audio_info.deviceName() for audio_info in self.input_info_list])
# Create a list of QAudioInfo objects for outputs
self.otput_info_list = QAudioDeviceInfo.availableDevices(
QAudio.AudioOutput)
if 0 == len(self.otput_info_list):
self.otput_info_list = [QAudioDeviceInfo.defaultOutputDevice()]
self.status_bar.showMessage(
'{} inputs {} otputs'.format(len(self.input_info_list),
len(self.otput_info_list)), 2000)
# Create a combo box and populate it with names of outputs
self.cb_otputs = QComboBox()
self.cb_otputs.addItems(
[audio_info.deviceName() for audio_info in self.otput_info_list])
# Lay those two out aligned to the outside
hb_combos = QHBoxLayout()
hb_combos.addWidget(self.cb_inputs, 1)
hb_combos.addStretch(0)
hb_combos.addWidget(self.cb_otputs, 1)
# Create a volume slider from 0 to 100.
self.volume = QSlider(Qt.Horizontal, self)
self.volume.setMinimum(0)
self.volume.setMaximum(100)
self.volume.setTickInterval(10)
self.volume.setTickPosition(QSlider.TicksBothSides)
# Create a checkbox "Mute"
self.mute = QCheckBox('Mute')
# Put those together in a row squeezed in the center
hb_volume = QHBoxLayout()
hb_volume.addStretch(1)
hb_volume.addWidget(self.volume, 1)
hb_volume.addWidget(self.mute, 0)
hb_volume.addStretch(1)
# Stack all those up as this widget's layout
vlayout = QVBoxLayout()
vlayout.addLayout(hb_label)
vlayout.addLayout(hb_combos)
vlayout.addLayout(hb_volume)
self.setLayout(vlayout)
def _uic(self):
'''
set up our layout which consists of:
Big Honkin' Label
[input combobox] [output combobox]
[volume slider] [x] Mute
Hooking the signals to useful slots is the job
of __init__. Here just make the layout.
'''
self.setMinimumWidth(400)
# Create the big honkin' label and logo
icon_pixmap = QPixmap(':/icon.png').scaledToWidth(64)
icon_label = QLabel()
icon_label.setPixmap(icon_pixmap)
text_label = QLabel("Sidetone!")
hb_label = QHBoxLayout()
hb_label.addStretch(1)
hb_label.addWidget(icon_label, 0)
hb_label.addWidget(text_label, 0)
hb_label.addStretch(1)
# Create a list of QAudioInfo objects for inputs
self.input_info_list = QAudioDeviceInfo.availableDevices(
QAudio.AudioInput)
if 0 == len(self.input_info_list):
self.input_info_list = [QAudioDeviceInfo.defaultInputDevice()]
# Make a list of the name-strings for those items.
in_dev_names = [
audio_info.deviceName() for audio_info in self.input_info_list
]
# Create a combo box and populate it with those names
self.cb_inputs = QComboBox()
self.cb_inputs.addItems(in_dev_names)
# If the in_dev_name from the previous run is in the current list,
# make it current, otherwise pick the first item.
in_dev_name = self.settings.value('in_dev_name', 'unknown')
if in_dev_name in in_dev_names:
self.cb_inputs.setCurrentIndex(in_dev_names.index(in_dev_name))
else:
self.cb_inputs.setCurrentIndex(0)
# Create a list of QAudioInfo objects for outputs
self.otput_info_list = QAudioDeviceInfo.availableDevices(
QAudio.AudioOutput)
if 0 == len(self.otput_info_list):
self.otput_info_list = [QAudioDeviceInfo.defaultOutputDevice()]
# Make a list of the name-strings of those things
ot_dev_names = [
audio_info.deviceName() for audio_info in self.otput_info_list
]
# Create a combo box and populate it with those names
self.cb_otputs = QComboBox()
self.cb_otputs.addItems(ot_dev_names)
# If the ot_dev_name from the previous run is in the current list,
# make it the current choice in the box.
ot_dev_name = self.settings.value('ot_dev_name', 'unknown')
if ot_dev_name in ot_dev_names:
self.cb_otputs.setCurrentIndex(ot_dev_names.index(ot_dev_name))
else:
self.cb_otputs.setCurrentIndex(0)
#self.show_status(
#'{} inputs {} otputs'.format(len(self.input_info_list),len(self.otput_info_list))
#)
# Create a combo box and populate it with names of outputs
# Lay those two out aligned to the outside
hb_combos = QHBoxLayout()
hb_combos.addWidget(self.cb_inputs, 1)
hb_combos.addStretch(0)
hb_combos.addWidget(self.cb_otputs, 1)
# Create a volume slider from 0 to 100.
self.volume = QSlider(Qt.Horizontal, self)
self.volume.setMinimum(0)
self.volume.setMaximum(100)
self.volume.setTickInterval(10)
self.volume.setTickPosition(QSlider.TicksBothSides)
# set the volume slider to the value from the previous run, or zero.
self.volume.setValue(self.settings.value('volume', 0))
# Create a checkbox "Mute"
self.mute = QCheckBox('Mute')
# Set it to the value at the end of the last run, or to True
self.mute.setChecked(bool(self.settings.value('mute_status', 1)))
# Put those together in a row squeezed in the center
hb_volume = QHBoxLayout()
hb_volume.addStretch(1)
hb_volume.addWidget(self.volume, 1)
hb_volume.addWidget(self.mute, 0)
hb_volume.addStretch(1)
# Stack all those up as this widget's layout
vlayout = QVBoxLayout()
vlayout.addLayout(hb_label)
vlayout.addLayout(hb_combos)
vlayout.addLayout(hb_volume)
self.setLayout(vlayout)
class Options(object):
default_app_options_file = "./options.json"
default_app_volume = 25
default_app_timer_interval = 200
default_app_play_button_behaviour = 1
default_app_last_folder_opened = "/"
default_app_playlist_autoplay = 1
default_app_output_device = QAudioDeviceInfo.defaultOutputDevice().deviceName()
json_volume_name = "default_volume"
json_timer_name = "default_timer_interval"
json_play_button_name = "default_play_button_behaviour"
json_music_folders_name = "music_folders"
json_last_folder_opened_name = "default_last_folder_opened"
json_playlist_autoplay = "default_playlist_autoplay"
json_output_device = "default_output_device"
def __init__(self):
self.default_user_volume = None
self.default_user_timer_interval = None
self.default_user_play_button_behaviour = None
self.user_music_folders = None
self.default_user_last_folder_opened = None
self.default_user_playlist_autoplay = None
self.default_user_output_device = None
self.json_user_defaults = None
self.get_user_defaults()
@staticmethod
def get_default_option(user_option, app_option):
if user_option is None:
return app_option
else:
return user_option
def get_default_volume(self):
return self.get_default_option(self.default_user_volume, self.default_app_volume)
def get_default_timer_interval(self):
return self.get_default_option(self.default_user_timer_interval, self.default_app_timer_interval)
def get_default_play_button(self):
return self.get_default_option(self.default_user_play_button_behaviour, self.default_app_play_button_behaviour)
def get_default_last_folder_opened(self):
return self.get_default_option(self.default_user_last_folder_opened, self.default_app_last_folder_opened)
def get_default_playlist_autoplay(self):
return self.get_default_option(self.default_user_playlist_autoplay, self.default_app_playlist_autoplay)
def get_default_output_device(self):
return self.get_default_option(self.default_user_output_device, self.default_app_output_device)
def get_user_defaults(self):
if not os.path.exists(self.default_app_options_file):
return
with open(self.default_app_options_file, 'r') as file:
if os.stat(self.default_app_options_file).st_size == 0: # If the file is empty
return
self.json_user_defaults = json.load(file)
self.default_user_volume = self.set_user_default(self.json_volume_name)
self.default_user_timer_interval = self.set_user_default(self.json_timer_name)
self.default_user_play_button_behaviour = self.set_user_default(self.json_play_button_name)
self.user_music_folders = self.set_user_default(self.json_music_folders_name)
self.default_user_last_folder_opened = self.set_user_default(self.json_last_folder_opened_name)
self.default_user_playlist_autoplay = self.set_user_default(self.json_playlist_autoplay)
self.default_user_output_device = self.set_user_default(self.json_output_device)
def save_user_defaults(self, volume=None, timer_interval=None, play_button_behaviour=None, music_folder=None,
last_folder_opened=None, playlist_autoplay=None, output_device=None):
if volume is None:
volume = self.get_default_volume()
else:
self.default_user_volume = volume
if timer_interval is None:
timer_interval = self.get_default_timer_interval()
else:
self.default_user_timer_interval = timer_interval
if play_button_behaviour is None:
play_button_behaviour = self.get_default_play_button()
else:
self.default_user_play_button_behaviour = play_button_behaviour
if music_folder is not None:
if self.user_music_folders is None:
# list(self.user_music_folders).append(music_folder)
self.user_music_folders = [music_folder]
else:
self.user_music_folders.append(music_folder)
if last_folder_opened is None:
last_folder_opened = self.get_default_last_folder_opened()
else:
self.default_user_last_folder_opened = last_folder_opened
if playlist_autoplay is None:
playlist_autoplay = self.get_default_playlist_autoplay()
else:
self.default_user_playlist_autoplay = playlist_autoplay
if output_device is None:
output_device = self.get_default_output_device()
else:
self.default_user_output_device = output_device
info_dicts = {'{}'.format(self.json_volume_name): volume,
'{}'.format(self.json_timer_name): timer_interval,
'{}'.format(self.json_play_button_name): play_button_behaviour,
self.json_music_folders_name: self.user_music_folders,
'{}'.format(self.json_last_folder_opened_name): last_folder_opened,
'{}'.format(self.json_playlist_autoplay): playlist_autoplay,
'{}'.format(self.json_output_device): output_device}
json_string = json.dumps(info_dicts, indent=4, separators=(',', ' : '))
with open(self.default_app_options_file, 'w') as file:
file.write(json_string)
def delete_music_folder(self, folder):
try:
self.user_music_folders.remove(folder)
except ValueError:
return
info_dicts = {'{}'.format(self.json_volume_name): self.default_user_volume,
'{}'.format(self.json_timer_name): self.default_user_timer_interval,
'{}'.format(self.json_play_button_name): self.default_user_play_button_behaviour,
self.json_music_folders_name: self.user_music_folders,
'{}'.format(self.json_last_folder_opened_name): self.default_user_last_folder_opened,
'{}'.format(self.json_playlist_autoplay): self.default_user_playlist_autoplay,
'{}'.format(self.json_output_device): self.default_user_output_device}
json_string = json.dumps(info_dicts, indent=4, separators=(',', ' : '))
with open(self.default_app_options_file, 'w') as file:
file.write(json_string)
def set_user_default(self, option_name):
try:
return self.json_user_defaults[option_name]
except KeyError:
return None