def select_input_device(self, index):
device = self.input_devices[index]
# save current stream in case we need to restore it
previous_stream = self.stream
previous_device = self.device
Logger().push("Trying to open input device #%d" % (index))
try:
self.stream = self.open_stream(device)
self.device = device
self.stream.start()
success = True
except Exception as exception:
Logger().push("Fail: " + str(exception))
success = False
if self.stream is not None:
self.stream.stop()
# restore previous stream
self.stream = previous_stream
self.device = previous_device
if success:
Logger().push("Success")
previous_stream.stop()
self.first_channel = 0
nchannels = self.device['max_input_channels']
if nchannels == 1:
self.second_channel = 0
else:
self.second_channel = 1
return success, self.input_devices.index(self.device)
def setdataTwoChannels(self, x, y, y2):
if self.canvas_width != self.canvasWidget.width():
Logger().push("timeplot : changed canvas width")
self.canvas_width = self.canvasWidget.width()
self.update_xscale()
if not self.dual_channel:
self.dual_channel = True
self.canvasWidget.attach(self.curve2)
# enable the legend to discrimate between the two channels
self.legendWidget.show()
# the canvas reisze event will trigger a full replot
if self.xmax != x[-1]:
Logger().push("timeplot : changing x max")
self.xmax = x[-1]
self.settimerange(self.xmin, self.xmax)
self.update_xscale()
self.needfullreplot = True
if self.xmin != x[0]:
Logger().push("timeplot : changing x min")
self.xmin = x[0]
self.settimerange(self.xmin, self.xmax)
self.update_xscale()
self.needfullreplot = True
if not self.paused:
# y_interp = np.interp(self.xscaled, x, y)
# y_interp2 = np.interp(self.xscaled, x, y2)
# ClassPlot.setdata(self, self.xscaled, y_interp)
# self.curve2.setData(self.xscaled, y_interp2)
self.curve.setData(x, y)
self.curve2.setData(x, y2)
self.draw()
def setdata(self, x, y):
if self.canvas_width != self.canvasWidget.width():
Logger().push("timeplot : changed canvas width")
self.canvas_width = self.canvasWidget.width()
self.update_xscale()
if self.dual_channel:
self.dual_channel = False
self.canvasWidget.detach(self.curve2)
# disable the legend, useless when one channel is active
self.legendWidget.hide()
# the canvas reisze event will trigger a full replot
if self.xmax != x[-1]:
Logger().push("timeplot : changing x max")
self.xmax = x[-1]
self.settimerange(self.xmin, self.xmax)
self.update_xscale()
self.needfullreplot = True
if self.xmin != x[0]:
Logger().push("timeplot : changing x min")
self.xmin = x[0]
self.settimerange(self.xmin, self.xmax)
self.update_xscale()
self.needfullreplot = True
if not self.paused:
y_interp = np.interp(self.xscaled, x, y)
self.curve.setData(self.xscaled, y_interp)
self.draw()
def timer_toggle(self):
if self.display_timer.isActive():
Logger().push("Timer stop")
self.display_timer.stop()
self.ui.actionStart.setText("Start")
AudioBackend().pause()
self.dockmanager.pause()
else:
Logger().push("Timer start")
self.display_timer.start()
self.ui.actionStart.setText("Stop")
AudioBackend().restart()
self.dockmanager.restart()
def grow_if_needed(self, length):
if length > self.buffer_length:
# let the buffer grow according to our needs
old_length = self.buffer_length
new_length = int(1.5 * length)
Logger().push("Ringbuffer: growing buffer for length %d" % (new_length))
# create new buffer
newbuffer = zeros((self.buffer.shape[0], 2 * new_length))
# copy existing data so that self.offset does not have to be changed
old_offset_mod = self.offset % old_length
new_offset_mod = self.offset % new_length
shift = new_offset_mod - old_offset_mod
#shift can be negative, computing modulo again
shift %= new_length
# first copy, always complete
newbuffer[:, shift:shift + old_length] = self.buffer[:, :old_length]
# second copy, can be folded
direct = min(old_length, new_length - shift)
folded = old_length - direct
newbuffer[:, new_length + shift:new_length + shift + direct] = self.buffer[:, :direct]
newbuffer[:, :folded] = self.buffer[:, direct:direct + folded]
# assign self.butter to the new larger buffer
self.buffer = newbuffer
self.buffer_length = new_length
def get_readable_devices_list(self):
input_devices = self.get_input_devices()
raw_devices = sounddevice.query_devices()
try:
default_input_device = sounddevice.query_devices(kind='input')
default_input_device['index'] = raw_devices.index(
default_input_device)
except sounddevice.PortAudioError as exception:
Logger().push("Failed to query the default input device: %s" %
(exception))
default_input_device = None
devices_list = []
for device in input_devices:
api = sounddevice.query_hostapis(device['hostapi'])['name']
if default_input_device is not None and device[
'index'] == default_input_device['index']:
extra_info = ' (default)'
else:
extra_info = ''
nchannels = device['max_input_channels']
desc = "%s (%d channels) (%s) %s" % (device['name'], nchannels,
api, extra_info)
devices_list += [desc]
return devices_list
def get_input_devices(self):
devices = sounddevice.query_devices()
# early exit if there is no input device. Otherwise query_devices(kind='input') fails
input_devices = [
device for device in devices if device['max_input_channels'] > 0
]
if len(input_devices) == 0:
return []
try:
default_input_device = sounddevice.query_devices(kind='input')
except sounddevice.PortAudioError as exception:
Logger().push("Failed to query the default input device: %s" %
(exception))
default_input_device = None
input_devices = []
if default_input_device is not None:
# start by the default input device
default_input_device['index'] = devices.index(default_input_device)
input_devices += [default_input_device]
for device in devices:
# select only the input devices by looking at the number of input channels
if device['max_input_channels'] > 0:
device['index'] = devices.index(device)
# default input device has already been inserted
if default_input_device is not None and device[
'index'] != default_input_device['index']:
input_devices += [device]
return input_devices
def setcanvas_width(self, canvas_width):
if self.canvas_width != canvas_width:
self.canvas_width = canvas_width
self.resize(self.canvas_width, self.canvas_height)
self.canvasWidthChanged.emit(canvas_width)
Logger().push("Spectrogram image: canvas_width changed, now: %d" %
(canvas_width))
def open_stream(self, device):
Logger().push("Opening the stream for device: " + device['name'])
# by default we open the device stream with all the channels
# (interleaved in the data buffer)
stream = sounddevice.InputStream(samplerate=SAMPLING_RATE,
blocksize=FRAMES_PER_BUFFER,
device=device['index'],
channels=device['max_input_channels'],
dtype=int16,
callback=self.callback)
lat_ms = 1000 * stream.latency
Logger().push("Device claims %d ms latency" % (lat_ms))
return stream
def device_changed(self, index):
device = AudioBackend().output_devices[index]
# save current stream in case we need to restore it
previous_stream = self.stream
previous_device = self.device
error_message = ""
Logger().push("Trying to write to output device " + device['name'])
# first see if the format is supported by PortAudio
try:
success = AudioBackend().is_output_format_supported(device, np.int16)
except Exception as exception:
Logger().push("Format is not supported: " + str(exception))
success = False
if success:
try:
self.stream = AudioBackend().open_output_stream(device, self.audio_callback)
self.device = device
self.stream.start()
if self.state not in [STARTING, PLAYING]:
self.stream.stop()
success = True
except OSError as error:
Logger().push("Fail: " + str(error))
success = False
if success:
Logger().push("Success")
previous_stream.stop()
else:
if self.stream is not None:
self.stream.stop()
# restore previous stream
self.stream = previous_stream
self.device = previous_device
# Note: the error message is a child of the settings dialog, so that
# that dialog remains on top when the error message is closed
error_message = QtWidgets.QErrorMessage(self.settings_dialog)
error_message.setWindowTitle("Output device error")
error_message.showMessage("Impossible to use the selected output device, reverting to the previous one. Reason is: " + error_message)
self.settings_dialog.combobox_output_device.setCurrentIndex(AudioBackend().output_devices.index(self.device))
def __init__(self):
QtCore.QObject.__init__(self)
self.duo_input = False
Logger().push("Initializing audio backend")
# look for devices
self.input_devices = self.get_input_devices()
self.output_devices = self.get_output_devices()
self.device = None
self.first_channel = None
self.second_channel = None
self.stream = None
# we will try to open all the input devices until one
# works, starting by the default input device
for device in self.input_devices:
try:
self.stream = self.open_stream(device)
self.stream.start()
self.device = device
Logger().push("Success")
break
except Exception as exception:
Logger().push("Failed to open stream: " + str(exception))
if self.device is not None:
self.first_channel = 0
nchannels = self.get_current_device_nchannels()
if nchannels == 1:
self.second_channel = 0
else:
self.second_channel = 1
# counter for the number of input buffer overflows
self.xruns = 0
self.chunk_number = 0
self.new_data_available_from_callback.connect(self.handle_new_data)
self.devices_with_timing_errors = []
def responsetimechanged(self, index):
if index == 0:
response_time = 0.025
elif index == 1:
response_time = 0.125
elif index == 2:
response_time = 0.3
elif index == 3:
response_time = 1.
Logger().push("responsetimechanged slot %d %d" % (index, response_time))
self.parent().setresponsetime(response_time)
def set_maxfreq(self, maxfreq):
if maxfreq != self.maxfreq:
self.maxfreq = maxfreq
decimation = SAMPLING_RATE / (2 * maxfreq)
self.decimation = 2**(floor(log2(decimation)))
if self.decimation < 1:
self.decimation = 1
self.update_freq_cache()
self.update_window()
self.update_size()
Logger().push("audioproc: will decimate %d times" % self.decimation)
def update_freq_cache(self):
if len(self.freq) != self.fft_size / (2 * self.decimation) + 1:
Logger().push("audioproc: updating self.freq cache")
self.freq = linspace(0, SAMPLING_RATE / (2 * self.decimation), self.fft_size / (2 * self.decimation) + 1)
# compute psychoacoustic weighting. See http://en.wikipedia.org/wiki/A-weighting
f = self.freq
Rc = 12200. ** 2 * f ** 2 / ((f ** 2 + 20.6 ** 2) * (f ** 2 + 12200. ** 2))
Rb = 12200. ** 2 * f ** 3 / ((f ** 2 + 20.6 ** 2) * (f ** 2 + 12200. ** 2) * ((f ** 2 + 158.5 ** 2) ** 0.5))
Ra = 12200. ** 2 * f ** 4 / ((f ** 2 + 20.6 ** 2) * (f ** 2 + 12200. ** 2) * ((f ** 2 + 107.7 ** 2) ** 0.5) * ((f ** 2 + 737.9 ** 2) ** 0.5))
eps = 1e-50
self.C = 0.06 + 20. * log10(Rc + eps)
self.B = 0.17 + 20. * log10(Rb + eps)
self.A = 2.0 + 20. * log10(Ra + eps)
def is_output_format_supported(self, device, output_format):
try:
sounddevice.check_output_settings(
device=device['index'],
channels=device['max_output_channels'],
dtype=output_format,
samplerate=SAMPLING_RATE)
success = True
except Exception as exception:
Logger().push("Format is not supported: " + str(exception))
success = False
return success
def __init__(self, parent):
super().__init__(parent)
self.setObjectName("tab_log")
self.log_scrollarea = QtWidgets.QScrollArea(self)
self.log_scrollarea.setWidgetResizable(True)
self.log_scrollarea.setAlignment(QtCore.Qt.AlignLeading
| QtCore.Qt.AlignLeft
| QtCore.Qt.AlignTop)
self.log_scrollarea.setObjectName("log_scrollArea")
self.log_scrollAreaWidgetContents = QtWidgets.QWidget(
self.log_scrollarea)
self.log_scrollAreaWidgetContents.setGeometry(
QtCore.QRect(0, 0, 87, 220))
self.log_scrollAreaWidgetContents.setStyleSheet(
"""QWidget { background: white }""")
self.log_scrollAreaWidgetContents.setObjectName(
"log_scrollAreaWidgetContents")
self.log_scrollarea.setWidget(self.log_scrollAreaWidgetContents)
self.LabelLog = QtWidgets.QLabel(self.log_scrollAreaWidgetContents)
self.LabelLog.setAlignment(QtCore.Qt.AlignLeading | QtCore.Qt.AlignLeft
| QtCore.Qt.AlignTop)
self.LabelLog.setTextInteractionFlags(
QtCore.Qt.LinksAccessibleByKeyboard
| QtCore.Qt.LinksAccessibleByMouse
| QtCore.Qt.TextBrowserInteraction
| QtCore.Qt.TextSelectableByKeyboard
| QtCore.Qt.TextSelectableByMouse)
self.LabelLog.setObjectName("LabelLog")
self.log_layout = QtWidgets.QVBoxLayout(
self.log_scrollAreaWidgetContents)
self.log_layout.setObjectName("log_layout")
self.log_layout.addWidget(self.LabelLog)
self.tab_log_layout = QtWidgets.QGridLayout(self)
self.tab_log_layout.addWidget(self.log_scrollarea)
Logger().logChanged.connect(self.log_changed)
self.log_scrollarea.verticalScrollBar().rangeChanged.connect(
self.log_scroll_range_changed)
def restoreState(self, settings):
if settings.contains("dockNames"):
docknames = settings.value("dockNames", [])
# list of docks
self.docks = [Dock(self.parent(), name) for name in docknames]
for dock in self.docks:
self.parent().centralLayout.addWidget(dock)
settings.beginGroup(dock.objectName())
dock.restoreState(settings)
settings.endGroup()
else:
Logger().push("First launch, display a default set of docks")
self.docks = [
Dock(self.parent(), "Dock %d" % (i), widgetId=widget_type)
for i, widget_type in enumerate(DEFAULT_DOCKS)
]
for dock in self.docks:
#self.parent().addDockWidget(QtCore.Qt.TopDockWidgetArea, dock)
self.parent().centralLayout.addWidget(dock)
def setcanvas_height(self, canvas_height):
if self.canvas_height != canvas_height:
self.canvas_height = canvas_height
self.resize(self.canvas_width, self.canvas_height)
Logger().push("Spectrogram image: canvas_height changed, now: %d" %
(canvas_height))
def __init__(self, parent):
super().__init__(parent)
self.audiobuffer = None
self.setObjectName("Generator_Widget")
self.grid_layout = QtWidgets.QGridLayout(self)
self.grid_layout.setObjectName("grid_layout")
self.generators = []
self.generators.append(SineGenerator(self))
self.generators.append(WhiteGenerator(self))
self.generators.append(PinkGenerator(self))
self.generators.append(SweepGenerator(self))
self.generators.append(BurstGenerator(self))
self.combobox_generator_kind = QtWidgets.QComboBox(self)
self.combobox_generator_kind.setObjectName("combobox_generator_kind")
self.stacked_settings_layout = QtWidgets.QStackedLayout()
for generator in self.generators:
self.combobox_generator_kind.addItem(generator.name)
self.stacked_settings_layout.addWidget(generator.settingsWidget())
self.combobox_generator_kind.setCurrentIndex(DEFAULT_GENERATOR_KIND_INDEX)
self.t = 0.
self.t_start = 0.
self.t_stop = RAMP_LENGTH
self.state = STOPPED
self.stream_stop_ramp_finished.connect(self.stop_stream_after_ramp)
self.device = None
self.stream = None
# we will try to open all the output devices until one
# works, starting by the default input device
for device in AudioBackend().output_devices:
Logger().push("Opening the stream for device: "+ device['name'])
try:
self.stream = AudioBackend().open_output_stream(device, self.audio_callback)
self.stream.start()
self.stream.stop()
self.device = device
Logger().push("Stream opened successfully")
break
except Exception as exception:
Logger().push("Failed to open stream: " + str(exception))
self.start_stop_button = QtWidgets.QPushButton(self)
startStopIcon = QtGui.QIcon()
startStopIcon.addPixmap(QtGui.QPixmap(":/images-src/start.svg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
startStopIcon.addPixmap(QtGui.QPixmap(":/images-src/stop.svg"), QtGui.QIcon.Normal, QtGui.QIcon.On)
startStopIcon.addPixmap(QtGui.QPixmap(":/images-src/stop.svg"), QtGui.QIcon.Active, QtGui.QIcon.On)
startStopIcon.addPixmap(QtGui.QPixmap(":/images-src/stop.svg"), QtGui.QIcon.Selected, QtGui.QIcon.On)
startStopIcon.addPixmap(QtGui.QPixmap(":/images-src/stop.svg"), QtGui.QIcon.Disabled, QtGui.QIcon.On)
self.start_stop_button.setIcon(startStopIcon)
self.start_stop_button.setObjectName("generatorStartStop")
self.start_stop_button.setText("Start")
self.start_stop_button.setToolTip("Start/Stop generator")
self.start_stop_button.setCheckable(True)
self.start_stop_button.setChecked(False)
self.grid_layout.addWidget(self.start_stop_button, 0, 0, 1, 1)
self.grid_layout.addWidget(self.combobox_generator_kind, 1, 0, 1, 1)
self.grid_layout.addLayout(self.stacked_settings_layout, 2, 0, 1, 1)
self.combobox_generator_kind.activated.connect(self.stacked_settings_layout.setCurrentIndex)
self.start_stop_button.toggled.connect(self.start_stop_button_toggle)
# initialize the settings dialog
devices = AudioBackend().get_readable_output_devices_list()
if self.device is not None:
device_index = AudioBackend().output_devices.index(self.device)
else:
device_index = None
self.settings_dialog = Generator_Settings_Dialog(self, devices, device_index)
self.settings_dialog.combobox_output_device.currentIndexChanged.connect(self.device_changed)
def log_changed(self):
self.LabelLog.setText(Logger().text())
def __init__(self):
QMainWindow.__init__(self)
# exception hook that logs to console, file, and display a message box
self.errorDialogOpened = False
sys.excepthook = self.excepthook
# Setup the user interface
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# Initialize the audio data ring buffer
self.audiobuffer = AudioBuffer()
# Initialize the audio backend
# signal containing new data from the audio callback thread, processed as numpy array
AudioBackend().new_data_available.connect(
self.audiobuffer.handle_new_data)
# this timer is used to update widgets that just need to display as fast as they can
self.display_timer = QtCore.QTimer()
self.display_timer.setInterval(
SMOOTH_DISPLAY_TIMER_PERIOD_MS) # constant timing
# slow timer
self.slow_timer = QtCore.QTimer()
self.slow_timer.setInterval(SLOW_TIMER_PERIOD_MS) # constant timing
self.about_dialog = About_Dialog(self, self.slow_timer)
self.settings_dialog = Settings_Dialog(self)
self.level_widget = Levels_Widget(self)
self.level_widget.set_buffer(self.audiobuffer)
self.audiobuffer.new_data_available.connect(
self.level_widget.handle_new_data)
self.hboxLayout = QHBoxLayout(self.ui.centralwidget)
self.hboxLayout.setContentsMargins(0, 0, 0, 0)
self.hboxLayout.addWidget(self.level_widget)
self.centralLayout = TileLayout()
self.centralLayout.setContentsMargins(0, 0, 0, 0)
self.hboxLayout.addLayout(self.centralLayout)
self.dockmanager = DockManager(self)
# timer ticks
self.display_timer.timeout.connect(self.dockmanager.canvasUpdate)
self.display_timer.timeout.connect(self.level_widget.canvasUpdate)
# toolbar clicks
self.ui.actionStart.triggered.connect(self.timer_toggle)
self.ui.actionSettings.triggered.connect(self.settings_called)
self.ui.actionAbout.triggered.connect(self.about_called)
self.ui.actionNew_dock.triggered.connect(self.dockmanager.new_dock)
# restore the settings and widgets geometries
self.restoreAppState()
# start timers
self.timer_toggle()
self.slow_timer.start()
Logger().push("Init finished, entering the main loop")
def update_window(self):
N = self.fft_size / self.decimation
n = arange(0, N)
# Hann window : better frequency resolution than the rectangular window
self.window = 0.5 * (1. - cos(2 * pi * n / (N - 1)))
Logger().push("audioproc: updating window")
def single_input_type_selected(self, checked):
if checked:
self.groupBox_second.setEnabled(False)
AudioBackend().set_single_input()
Logger().push("Switching to single input")
def fftsizechanged(self, index):
Logger().push("fft_size_changed slot %d %d %f" % (index, 2 ** index * 32, 150000 / 2 ** index * 32))
fft_size = 2 ** index * 32
self.parent().setfftsize(fft_size)
def main():
print("Platform is %s (%s)" % (platform.system(), sys.platform))
if platform.system() == "Windows":
print("Applying Windows-specific setup")
# On Windows, redirect stderr to a file
import imp
import ctypes
if (hasattr(sys, "frozen") or # new py2exe
hasattr(sys, "importers") or # old py2exe
imp.is_frozen("__main__")): # tools/freeze
sys.stderr = open(os.path.expanduser("~/friture.exe.log"), "w")
# set the App ID for Windows 7 to properly display the icon in the
# taskbar.
myappid = 'Friture.Friture.Friture.current' # arbitrary string
try:
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
myappid)
except:
print(
"Could not set the app model ID. If the plaftorm is older than Windows 7, this is normal."
)
app = QApplication(sys.argv)
if platform.system() == "Darwin":
if hasattr(sys, "frozen"): #py2app
sys.stdout = open(os.path.expanduser("~/friture.out.txt"), "w")
sys.stderr = open(os.path.expanduser("~/friture.err.txt"), "w")
print("Applying Mac OS-specific setup")
# help the py2app-packaged application find the Qt plugins (imageformats and platforms)
pluginsPath = os.path.normpath(
os.path.join(QApplication.applicationDirPath(), os.path.pardir,
'PlugIns'))
print("Adding the following to the Library paths: " + pluginsPath)
QApplication.addLibraryPath(pluginsPath)
# Splash screen
pixmap = QPixmap(":/images/splash.png")
splash = QSplashScreen(pixmap)
splash.show()
splash.showMessage("Initializing the audio subsystem")
app.processEvents()
# Logger class
logger = Logger()
window = Friture(logger)
window.show()
splash.finish(window)
profile = "no" # "python" or "kcachegrind" or anything else to disable
if len(sys.argv) > 1:
if sys.argv[1] == "--python":
profile = "python"
elif sys.argv[1] == "--kcachegrind":
profile = "kcachegrind"
elif sys.argv[1] == "--no":
profile = "no"
else:
print("command-line arguments (%s) not recognized" % sys.argv[1:])
if profile == "python":
import cProfile
import pstats
cProfile.runctx('app.exec_()',
globals(),
locals(),
filename="friture.cprof")
stats = pstats.Stats("friture.cprof")
stats.strip_dirs().sort_stats('time').print_stats(20)
stats.strip_dirs().sort_stats('cumulative').print_stats(20)
sys.exit(0)
elif profile == "kcachegrind":
import cProfile
import lsprofcalltree
p = cProfile.Profile()
p.run('app.exec_()')
k = lsprofcalltree.KCacheGrind(p)
with open('cachegrind.out.00000', 'wb') as data:
k.output(data)
sys.exit(0)
else:
sys.exit(app.exec_())
def freqscalechanged(self, index):
Logger().push("freq_scale slot %d" % index)
if index == 1:
self.parent().PlotZoneImage.setlog10freqscale()
else:
self.parent().PlotZoneImage.setlinfreqscale()
def bandsperoctavechanged(self, index):
bandsperoctave = 3 * 2**(index - 1) if index >= 1 else 1
Logger().push("bandsperoctavechanged slot %d %d" %
(index, bandsperoctave))
self.parent().setbandsperoctave(bandsperoctave)
def main():
if platform.system() == "Windows":
print "Running on Windows"
# On Windows, redirect stderr to a file
import imp, ctypes
if (hasattr(sys, "frozen") or # new py2exe
hasattr(sys, "importers") or # old py2exe
imp.is_frozen("__main__")): # tools/freeze
sys.stderr = open(os.path.expanduser("~/friture.exe.log"), "w")
# set the App ID for Windows 7 to properly display the icon in the
# taskbar.
myappid = 'Friture.Friture.Friture.current' # arbitrary string
try:
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
myappid)
except:
print "Could not set the app model ID. If the plaftorm is older than Windows 7, this is normal."
app = QApplication(sys.argv)
# Splash screen
pixmap = QPixmap(":/images/splash.png")
splash = QSplashScreen(pixmap)
splash.show()
splash.showMessage("Initializing the audio subsystem")
app.processEvents()
# Set the separator stylesheet here
# As of Qt 4.6, separator width is not handled correctly
# when the stylesheet is applied directly to the QMainWindow instance.
# QtCreator workarounds it with a "minisplitter" special class
app.setStyleSheet(STYLESHEET)
# Logger class
logger = Logger()
window = Friture(logger)
window.show()
splash.finish(window)
profile = "no" # "python" or "kcachegrind" or anything else to disable
if len(sys.argv) > 1:
if sys.argv[1] == "--python":
profile = "python"
#elif sys.argv[1] == "--kcachegrind":
#profile = "kcachegrind"
elif sys.argv[1] == "--no":
profile = "no"
else:
print "command-line arguments (%s) not recognized" % sys.argv[1:]
if profile == "python":
import cProfile
import pstats
cProfile.runctx('app.exec_()',
globals(),
locals(),
filename="friture.cprof")
stats = pstats.Stats("friture.cprof")
stats.strip_dirs().sort_stats('time').print_stats(20)
stats.strip_dirs().sort_stats('cumulative').print_stats(20)
sys.exit(0)
#elif profile == "kcachegrind":
#import cProfile
#import lsprofcalltree
#p = cProfile.Profile()
#p.run('app.exec_()')
#k = lsprofcalltree.KCacheGrind(p)
#data = open('cachegrind.out.00000', 'wb')
#k.output(data)
#data.close()
## alternative code with pyprof2calltree instead of lsprofcalltree
##import pyprof2calltree
##pyprof2calltree.convert(p.getstats(), "cachegrind.out.00000") # save
#sys.exit(0)
else:
sys.exit(app.exec_())
def duo_input_type_selected(self, checked):
if checked:
self.groupBox_second.setEnabled(True)
AudioBackend().set_duo_input()
Logger().push("Switching to difference between two inputs")
def fftsizechanged(self, index):
Logger().push("fft_size_changed slot %d %d %f" % (index, 2 ** index * 32, 150000 / 2 ** index * 32))
# FIXME the size should not be found from the index, but attached as item data
fft_size = 2 ** index * 32
self.parent().setfftsize(fft_size)