def open(self, filename):
if not filename:
raise Exception("Invalid filename")
if not os.path.exists(filename):
raise Exception("Invalid path in file system.")
try:
signal = openSignal(filename)
self.__signalFilePath = filename
# update signal
self.signal = signal
self.graph()
except Exception as ex:
raise ex
def on_actionPlay_triggered(self):
"""
Play the currently selected file in the tab widget.
If there are more that one file plays all in order of selection
if no selection nothing is do it.
:return:
"""
files_selected = [x[0] for x in self.files_selected()]
if len(files_selected) == 0:
return
# play the first file
try:
self.player = AudioSignalPlayer(openSignal(files_selected[0]))
self.player.play()
except Exception as ex:
pass
from PyQt4.QtGui import *
import sys
from duetto.audio_signals import openSignal
from duetto.widgets.SpectrogramWidget import SpectrogramWidget
app = QApplication([])
signal = openSignal("example.wav")
spec_widget = SpectrogramWidget()
# is possible to select the histogram position and visibility
spec_widget = SpectrogramWidget(visible_histogram=True)
#
# spec_widget = SpectrogramWidget(visible_histogram=True,horizontal_histogram=False)
# set the signal to the widget
spec_widget.signal = signal
# graph the signal
spec_widget.graph()
# could be visualized just a section of the signal
spec_widget.graph(indexFrom=0,indexTo=signal.length/2)
sys.exit(app.exec_())
def __init__(self,
parent=None,
measurement_template=None,
signal=None,
workspace=None):
"""
:type specgram_data: dict with the options of spectrogram creation on main window
options are NFFT and overlap
"""
QtGui.QDialog.__init__(self, parent)
self.setupUi(self)
# the list of templates names
self.templates_paths = []
self.load_templates()
# if accepted or cancel anyway raise the changes
self.buttonBox.clicked.connect(
lambda bttn: self.parameterChangeFinished.emit(
self.measurement_template))
self.remove_measurement_template_bttn.clicked.connect(
self.delete_template)
self.save_measurement_template_as_bttn.clicked.connect(
self.save_template_as)
self.measurement_template_cbox.currentIndexChanged.connect(
self.select_template)
# configuration of parameters and location trees user interface
self.parameter_tree_widget = DuettoParameterTree()
self.parameter_tree_widget.setAutoScroll(True)
self.parameter_tree_widget.setHeaderHidden(True)
self.location_tree_widget = DuettoParameterTree()
self.location_tree_widget.setAutoScroll(True)
self.location_tree_widget.setHeaderHidden(True)
# create and set the layout for the parameter and location settings widget
self.create_layout_for_settings_widget()
self.param_measurement_tree = None
self.location_measurement_tree = None
# create the parameter trees for parameter settings and location settings
self.param_measurement_tree = Parameter.create(name=unicode(
self.tr(u'Parameter')),
type=u'group')
self.parameter_tree_widget.setParameters(self.param_measurement_tree)
self.location_measurement_tree = Parameter.create(name=unicode(
self.tr(u'Location')),
type=u'group')
self.location_tree_widget.setParameters(self.location_measurement_tree)
# tables are just for selection (of parameter-location) not for edit elements.
self.parameter_locations_table.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.wave_parameter_table.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.time_parameter_table.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.workspace = workspace
self.signal = signal
self._measurement_template = None
self.measurement_template = measurement_template if measurement_template is not None else MeasurementTemplate(
)
# pre visualization signal
try:
signal = openSignal(self.PARAMETER_VISUALIZATION_SIGNAL_PATH)
except Exception as e:
signal = small_signal(signal)
self.configure_advanced_mode_items(signal)
self.segmentManager = SegmentManager()
self.segmentManager.signal = self.widget.signal
self.segmentManager.segmentVisualItemAdded.connect(
self.widget.add_parameter_visual_items)
self.segmentManager.measurementsFinished.connect(
self.widget.draw_elements)
self.try_load_signal_segment()