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annotate bin/inputquneo @ 1431:f85cc11b3e8c

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checkpoint show data Ignore-this: 7dc477a7921f92dc9cc8115c6cc2b9cf
author drewp@bigasterisk.com
date Sat, 11 Jun 2016 17:15:30 +0000
parents 73e171c9d478
children 6fa4288da8a6
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1 #!bin/python
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2 """
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3 read Quneo midi events, write to curvecalc and maybe to effects
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4 """
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5 from __future__ import division
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6 from run_local import log
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7 import logging, urllib
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8 import cyclone.web, cyclone.httpclient
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9 from rdflib import URIRef
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10 from twisted.internet import reactor, task
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11 from light9.curvecalc.client import sendLiveInputPoint
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12 from light9.namespaces import L9, RDF, RDFS
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13 from light9.rdfdb.syncedgraph import SyncedGraph
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14 from light9 import networking
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15
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16 import sys
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17 sys.path.append('/usr/lib/python2.7/dist-packages') # For pygame
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18 import pygame.midi
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19
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20 curves = {
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21 23: URIRef('http://light9.bigasterisk.com/show/dance2014/song1/curve/c-2'),
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22 24: URIRef('http://light9.bigasterisk.com/show/dance2014/song1/curve/c-3'),
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23 25: URIRef('http://light9.bigasterisk.com/show/dance2014/song1/curve/c-4'),
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24 6:URIRef('http://light9.bigasterisk.com/show/dance2014/song1/curve/c-5'),
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25 18: URIRef('http://light9.bigasterisk.com/show/dance2014/song1/curve/c-6'),
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26 }
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27
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28 class WatchMidi(object):
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29 def __init__(self, graph):
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30 self.graph = graph
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31 pygame.midi.init()
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32
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33 dev = self.findQuneo()
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34 self.inp = pygame.midi.Input(dev)
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35 task.LoopingCall(self.step).start(.05)
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36
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37 self.noteIsOn = {}
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38
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39 self.effectMap = {} # note: effect class uri
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40 self.graph.addHandler(self.setupNotes)
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41
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42 def setupNotes(self):
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43 for e in self.graph.subjects(RDF.type, L9['EffectClass']):
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44 qn = self.graph.value(e, L9['quneoNote'])
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45 if qn:
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46 self.effectMap[int(qn)] = e
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47 log.info("setup with %s effects", len(self.effectMap))
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48
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49 def findQuneo(self):
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50 for dev in range(pygame.midi.get_count()):
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51 interf, name, isInput, isOutput, opened = pygame.midi.get_device_info(dev)
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52 if 'QUNEO' in name and isInput:
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53 return dev
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54 raise ValueError("didn't find quneo input device")
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55
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56 def step(self):
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57 if not self.inp.poll():
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58 return
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59 NOTEON, NOTEOFF = 144, 128
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60 for ev in self.inp.read(999):
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61 (status, d1, d2, _), _ = ev
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62 if status in [NOTEON, NOTEOFF]:
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63 print status, d1, d2
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64
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65
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66 if status == NOTEON:
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67 if not self.noteIsOn.get(d1):
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68 self.noteIsOn[d1] = True
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69 try:
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70 e = self.effectMap[d1]
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71 cyclone.httpclient.fetch(
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72 url=networking.effectEval.path('songEffects'),
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73 method='POST',
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74 headers={'Content-Type': ['application/x-www-form-urlencoded']},
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75 postdata=urllib.urlencode([('drop', e)]),
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76 )
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77 except KeyError:
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78 pass
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79
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80 if status == NOTEOFF:
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81 self.noteIsOn[d1] = False
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82
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83
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84 if 0:
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85 # curve editing mode, not done yet
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86 for group in [(23,24,25), (6, 18)]:
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87 if d1 in group:
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88 if not self.noteIsOn.get(group):
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89 print "start zero"
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90
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91 for d in group:
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92 sendLiveInputPoint(curves[d], 0)
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93 self.noteIsOn[group] = True
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94 else: # miss first update
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95 sendLiveInputPoint(curves[d1], d2 / 127)
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96
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97 if status == 128: #noteoff
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98 for d in group:
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99 sendLiveInputPoint(curves[d], 0)
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100 self.noteIsOn[group] = False
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101
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102 def main():
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103 log.setLevel(logging.DEBUG)
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104 graph = SyncedGraph(networking.rdfdb.url, "inputQuneo")
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105 wm = WatchMidi(graph)
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106 reactor.run()
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107
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108 main()