249 lines
8.9 KiB
Python
249 lines
8.9 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# This file is part of psychose/ekgplotter package
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#
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# psychose/ekgplotter is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# psychose/ekgplotter is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with psychose/ekgplotter. If not, see <http://www.gnu.org/licenses/>.
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#
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# Copyright (C) 2014 Stefan Kögl
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from __future__ import absolute_import
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import os.path
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import re
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from PyQt4 import QtCore, QtGui
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from PyQt4.QtGui import QPixmap, QMainWindow
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from PyQt4.QtCore import QIODevice, QBuffer, QByteArray
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from PyQt4.QtNetwork import QUdpSocket, QHostAddress
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import numpy as np
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import pyqtgraph as pg
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from pyqtgraph.widgets.PlotWidget import PlotWidget
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from pyqtgraph.graphicsItems.PlotCurveItem import PlotCurveItem
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from pyqtgraph.graphicsItems.ScatterPlotItem import ScatterPlotItem
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from chaosc.argparser_groups import ArgParser
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from chaosc.lib import logger, resolve_host
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try:
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from chaosc.c_osc_lib import OSCMessage, decode_osc
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except ImportError as e:
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from chaosc.osc_lib import OSCMessage, decode_osc
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qtapp = QtGui.QApplication([])
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def get_steps(pulse, delta_ms):
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beat_length = 60000. / pulse
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steps_pre = int(beat_length / delta_ms) + 1
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used_sleep_time = beat_length / steps_pre
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steps = int(beat_length / used_sleep_time)
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return steps, used_sleep_time
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class Actor(object):
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def __init__(self, name, num_data, color, ix, max_actors, actor_height):
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self.name = name
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self.num_data = num_data
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self.color = color
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self.ix = ix
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self.max_actors = max_actors
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self.actor_height = actor_height
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self.offset = ix * actor_height
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self.data = np.array([self.offset + 30] * num_data)
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self.head = 0
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self.pre_head = 0
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self.plotItem = PlotCurveItem(pen=pg.mkPen(color, width=3), width=4, name=name)
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self.plotPoint = ScatterPlotItem(pen=pg.mkPen("w", width=5), brush=pg.mkBrush(color), size=5)
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self.render()
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def __str__(self):
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return "<Actor name:%r, position=%r>" % (self.name, self.head)
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def __repr__(self):
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return "Actor(%r, %r, %r, %r, %r, %r)" % (self.name, self.num_data,
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self.color, self.ix, self.max_actors, self.actor_height)
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def add_value(self, value):
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self.pre_head = self.head
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self.data[self.pre_head] = value / self.max_actors + self.offset
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self.head = (self.pre_head + 1) % self.num_data
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def fill_missing(self, count):
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dp = self.head
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for i in range(count):
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self.data[dp] = self.offset
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dp = (dp + 1) % self.num_data
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self.pre_head = (dp - 1) % self.num_data
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self.head = dp
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def render(self):
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self.plotItem.setData(y=self.data, clear=True)
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self.plotPoint.setData(x=[self.pre_head], y=[self.data[self.pre_head]])
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class EkgPlotWidget(QMainWindow):
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def __init__(self, args, parent=None):
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self.args = args
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QMainWindow.__init__(self, parent)
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self.mcount = 0
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self.osc_sock = QUdpSocket(self)
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logger.info("osc bind localhost %d", self.args.client_port)
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self.osc_sock.bind(QHostAddress(self.args.client_host), self.args.client_port)
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self.osc_sock.readyRead.connect(self.got_message)
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self.osc_sock.error.connect(self.handle_osc_error)
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self.subscribe()
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self.plot_widget = PlotWidget()
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self.setCentralWidget(self.plot_widget)
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self.resize(args.client_width, args.client_height)
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colors = ["r", "g", "b"]
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self.active_actors = list()
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self.actors = dict()
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self.max_value = 255
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actor_names = ["merle", "uwe", "bjoern"]
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self.max_actors = len(actor_names)
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self.actor_height = self.max_value / self.max_actors
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self.fps = 12.5
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self.num_data = 100
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self.plot_widget.showGrid(False, False)
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self.plot_widget.setYRange(0, 255)
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self.plot_widget.setXRange(0, self.num_data)
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self.plot_widget.resize(args.client_width, args.client_height)
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bottom_axis = self.plot_widget.getAxis("bottom")
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left_axis = self.plot_widget.getAxis("left")
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bottom_axis.setTicks([])
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left_axis.setTicks([])
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bottom_axis.hide()
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left_axis.hide()
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for ix, (actor_name, color) in enumerate(zip(actor_names, colors)):
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self.add_actor(actor_name, self.num_data, color, ix, self.max_actors, self.actor_height)
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self.set_positions()
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self.ekg_regex = re.compile("^/(.*?)/ekg$")
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self.heartbeat_regex = re.compile("^/(.*?)/heartbeat$")
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self.timer = QtCore.QTimer()
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self.timer.timeout.connect(self.render_image)
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self.timer.start(50)
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def subscribe(self):
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logger.info("subscribe")
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msg = OSCMessage("/subscribe")
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msg.appendTypedArg(self.args.client_host, "s")
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msg.appendTypedArg(self.args.client_port, "i")
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msg.appendTypedArg(self.args.authenticate, "s")
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if self.args.subscriber_label is not None:
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msg.appendTypedArg(self.args.subscriber_label, "s")
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self.osc_sock.writeDatagram(QByteArray(msg.encode_osc()), QHostAddress(self.args.chaosc_host),
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self.args.chaosc_port)
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def unsubscribe(self):
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logger.info("unsubscribe")
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msg = OSCMessage("/unsubscribe")
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msg.appendTypedArg(self.args.client_host, "s")
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msg.appendTypedArg(self.args.client_port, "i")
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msg.appendTypedArg(self.args.authenticate, "s")
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self.osc_sock.writeDatagram(QByteArray(msg.encode_osc()), QHostAddress(self.args.chaosc_host),
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self.args.chaosc_port)
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def handle_osc_error(self, error):
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logger.info("osc socket error %d", error)
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def closeEvent(self, event):
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logger.info("closeEvent %r", event)
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self.unsubscribe()
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event.accept()
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def pubdir(self):
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return os.path.dirname(os.path.abspath(__file__))
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def add_actor(self, actor_name, num_data, color, ix, max_actors, actor_height):
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actor_obj = Actor(actor_name, num_data, color, ix, max_actors, actor_height)
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self.actors[actor_name] = actor_obj
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self.plot_widget.addItem(actor_obj.plotItem)
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self.plot_widget.addItem(actor_obj.plotPoint)
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self.active_actors.append(actor_obj)
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def set_positions(self):
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for ix, actor_obj in enumerate(self.active_actors):
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actor_obj.plotItem.setPos(0, ix * 2)
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actor_obj.plotPoint.setPos(0, ix * 2)
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def active_actor_count(self):
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return self.max_actors
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def update(self, osc_address, args):
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res = self.ekg_regex.match(osc_address)
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if res:
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self.mcount += 1
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actor_name = res.group(1)
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actor_obj = self.actors[actor_name]
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actor_obj.add_value(args[0])
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logger.info("actor: %r, %r", actor_name, args)
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def render_image(self):
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for actor_obj in self.active_actors:
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actor_obj.add_value(actor_obj.osci.next())
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actor_obj.render()
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@QtCore.pyqtSlot()
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def render_image(self):
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for actor_obj in self.active_actors:
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actor_obj.render()
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print self.mcount
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def got_message(self):
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while self.osc_sock.hasPendingDatagrams():
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data, address, port = self.osc_sock.readDatagram(self.osc_sock.pendingDatagramSize())
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print data,address,port
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try:
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osc_address, typetags, args = decode_osc(data, 0, len(data))
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self.update(osc_address, args)
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except ValueError, error:
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logger.exception(error)
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def main():
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arg_parser = ArgParser("ekgplotter")
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arg_parser.add_global_group()
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arg_parser.add_chaosc_group()
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arg_parser.add_subscriber_group()
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client_group = arg_parser.add_client_group()
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arg_parser.add_argument(client_group, '-W', "--client_width", type=int, default=640,
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help='my host, defaults to "::"')
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arg_parser.add_argument(client_group, '-B', "--client_height", type=int, default=480,
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help='my port, defaults to 8000')
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args = arg_parser.finalize()
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args.chaosc_host, args.chaosc_port = resolve_host(args.chaosc_host, args.chaosc_port, args.address_family)
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window = EkgPlotWidget(args)
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window.setWindowFlags(QtCore.Qt.FramelessWindowHint)
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logger.info("foooooooo")
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window.setWindowTitle("EKGPlotterMain")
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window.show()
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# sys.excepthook = window.sigint_handler
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# signal.signal(signal.SIGTERM, window.sigterm_handler)
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qtapp.exec_()
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if __name__ == '__main__':
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main()
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