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qml.py
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qml.py
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from PyQt5.QtCore import QUrl
from PyQt5.QtWidgets import *
from PyQt5.QtQuick import *
from PyQt5.QtQuickWidgets import *
from PyQt5.QtQml import *
import sys
import signal as _signal
from acquisition import UDPThread
from flow import *
_signal.signal(_signal.SIGINT, _signal.SIG_DFL)
myApp = QApplication(sys.argv)
qmlEngine = QQmlEngine()
VideoPlayer = QQmlComponent(qmlEngine, QUrl('file:NeuroWidgets/video.qml'))
quickWindow = QQuickWindow()
videoPlayer = VideoPlayer.create()
videoPlayer.setParentItem(quickWindow.contentItem())
counter = 0
def setup_flow(context):
global OSC1
ch1_raw = context.get_channel('Channel 1')
ch1 = DCBlock(ch1_raw).ac
ch1 = BandPass(0.01, 32.0, input=ch1)
ch1 = BandPass(0.01, 32.0, input=ch1)
#ch1 = BandPass(1.0, 32.0, input=ch1)
OSC1 = Oscilloscope('Raw', channels=[ch1])
Spec = BarSpectrogram('Raw Spec', input=ch1)
reward = BandPass(9, 12, input=ch1)
reward = Averager(RMS(reward))
inhibit1 = BandPass(18, 32, input=ch1)
inhibit1 = Averager(RMS(inhibit1))
inhibit2 = BandPass(1, 7, input=ch1)
inhibit2 = Averager(RMS(inhibit2))
total = DCBlock(RMS(ch1)).dc
#total_rms = Averager(RMS(ch1))
#reward = Expression(lambda x, y: x / y, reward, total_rms)
reward.output.color = 'green'
inhibit1.output.color = 'cyan'
inhibit2.output.color = 'violet'
reward_ = Expression(lambda x, total: x / total, reward, total)
inhibit1_ = Expression(lambda x, total: x / total, inhibit1, total)
inhibit2_ = Expression(lambda x, total: x / total, inhibit2, total)
# TODO: Fix color propagation, once and for all
reward_.output.color = 'green'
inhibit1_.output.color = 'cyan'
inhibit2_.output.color = 'violet'
OSC2 = Oscilloscope('Intensity', channels=[reward_, inhibit1_, inhibit2_])
waterfall = Waterfall('Waterfall', input=ch1, window_size=512, update_rate=20, history_size=50)
layout = QGridLayout()
layout.addWidget(OSC1.widget())
layout.addWidget(Spec.widget())
layout.addWidget(OSC2.widget())
layout.addWidget(waterfall.widget(), 0, 1, 3, 1)
reward = Threshold('reward', input=reward).passfail
inhibit1 = Threshold('inhibit1', input=inhibit1, mode='decrease').passfail
inhibit2 = Threshold('inhibit2', input=inhibit2, mode='decrease').passfail
reward = Averager(reward)
inhibit1 = Averager(inhibit1)
inhibit2 = Averager(inhibit2)
def update_qml(reward, inhibit1, inhibit2, total):
brightness = (reward * 0.4 + inhibit1 * 0.3 + inhibit2 * 0.3)
#volume = float(reward / inhibit1) / 0.045 - 1.0
videoPlayer.setProperty('brightness', brightness)
#videoPlayer.setProperty('volume', volume)
foo = Expression(update_qml, reward, inhibit1, inhibit2, total)
return layout
context = Context()
context.register_channel('Channel 1')
context.register_channel('Channel 2')
layout = setup_flow(context)
analysisWindow = QWidget()
analysisWindow.setLayout(layout)
analysisWindow.show()
sourceThread = UDPThread()
quickWindow.show()
#quickWindow.showFullScreen()
def handlePacket(packet):
context.append_channel_data('Channel 1', [packet[0]])
context.append_channel_data('Channel 2', [packet[1]])
context.process()
sourceThread.newPacket.connect(handlePacket)
sourceThread.start()
def updateGUI():
for child in analysisWindow.children():
try:
if hasattr(child, 'block'):
child.block.updateGUI()
# pass
except NameError:
pass
guiTimer = QtCore.QTimer()
guiTimer.timeout.connect(updateGUI)
guiTimer.start(0)
myApp.exec_()
sys.exit()