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annotate light9/effect/edit.py @ 1692:6fa4288da8a6

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rdfdb is its own package now Ignore-this: 6b0b51464911b955687fefe6454fb91b
author drewp@bigasterisk.com
date Wed, 21 Mar 2018 08:31:45 +0000
parents 13e3cbe9071a
children 7772cc48e016
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1 import json
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2 import cyclone.httpclient
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3 from twisted.internet.defer import inlineCallbacks, returnValue
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4 from rdflib import URIRef, Literal
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5
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6 from light9 import networking
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7 from light9.namespaces import L9, RDF, RDFS
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8 from rdfdb.patch import Patch
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9 from light9.curvecalc.curve import CurveResource
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10
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11 def clamp(x, lo, hi):
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12 return max(lo, min(hi, x))
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13
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14
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15 @inlineCallbacks
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16 def getMusicStatus():
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17 returnValue(json.loads((yield cyclone.httpclient.fetch(
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18 networking.musicPlayer.path('time'), timeout=.5)).body))
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19
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20 @inlineCallbacks
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21 def songEffectPatch(graph, dropped, song, event, ctx):
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22 """
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23 some uri was 'dropped' in the curvecalc timeline. event is 'default' or 'start' or 'end'.
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24 """
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25 with graph.currentState(
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26 tripleFilter=(dropped, None, None)) as g:
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27 droppedTypes = list(g.objects(dropped, RDF.type))
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28 droppedLabel = g.label(dropped)
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29 droppedCodes = list(g.objects(dropped, L9['code']))
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30
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31 quads = []
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32 fade = 2 if event == 'default' else 0
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33
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34 if _songHasEffect(graph, song, dropped):
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35 # bump the existing curve
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36 pass
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37 else:
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38 effect, q = _newEffect(graph, song, ctx)
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39 quads.extend(q)
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40
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41 curve = graph.sequentialUri(song + "/curve-")
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42 yield _newEnvelopeCurve(graph, ctx, curve, droppedLabel, fade)
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43 quads.extend([
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44 (song, L9['curve'], curve, ctx),
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45 (effect, RDFS.label, droppedLabel, ctx),
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46 (effect, L9['code'], Literal('env = %s' % curve.n3()), ctx),
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47 ])
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48
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49 if L9['EffectClass'] in droppedTypes:
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50 quads.extend([
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51 (effect, RDF.type, dropped, ctx),
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52 ] + [(effect, L9['code'], c, ctx) for c in droppedCodes])
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53 elif L9['Submaster'] in droppedTypes:
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54 quads.extend([
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55 (effect, L9['code'], Literal('out = %s * env' % dropped.n3()),
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56 ctx),
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57 ])
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58 else:
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59 raise NotImplementedError(
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60 "don't know how to add an effect from %r (types=%r)" %
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61 (dropped, droppedTypes))
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62
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63 _maybeAddMusicLine(quads, effect, song, ctx)
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64
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65 print "adding"
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66 for qq in quads:
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67 print qq
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68 returnValue(Patch(addQuads=quads))
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69
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70 @inlineCallbacks
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71 def songNotePatch(graph, dropped, song, event, ctx, note=None):
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72 """
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73 drop into effectsequencer timeline
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74
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75 ported from timeline.coffee makeNewNote
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76 """
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77 with graph.currentState(
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78 tripleFilter=(dropped, None, None)) as g:
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79 droppedTypes = list(g.objects(dropped, RDF.type))
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80
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81 quads = []
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82 fade = 2 if event == 'default' else 0.1
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83
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84 if note:
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85 musicStatus = yield getMusicStatus()
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86 songTime = musicStatus['t']
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87 _finishCurve(graph, note, quads, ctx, songTime)
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88 else:
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89 if L9['Effect'] in droppedTypes:
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90 musicStatus = yield getMusicStatus()
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91 songTime = musicStatus['t']
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92 note = _makeNote(graph, song, note, quads, ctx, dropped, songTime, event, fade)
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93 else:
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94 raise NotImplementedError
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95
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96 returnValue((note, Patch(addQuads=quads)))
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97
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98
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99 def _point(ctx, uri, t, v):
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100 return [
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101 (uri, L9['time'], Literal(round(t, 3)), ctx),
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102 (uri, L9['value'], Literal(round(v, 3)), ctx)
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103 ]
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104
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105 def _finishCurve(graph, note, quads, ctx, songTime):
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106 with graph.currentState() as g:
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107 origin = g.value(note, L9['originTime']).toPython()
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108 curve = g.value(note, L9['curve'])
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109
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110 pt2 = graph.sequentialUri(curve + 'p')
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111 pt3 = graph.sequentialUri(curve + 'p')
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112 quads.extend(
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113 [(curve, L9['point'], pt2, ctx)] + _point(ctx, pt2, songTime - origin, 1) +
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114 [(curve, L9['point'], pt3, ctx)] + _point(ctx, pt3, songTime - origin + .5, 0)
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115 )
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116
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117
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118 def _makeNote(graph, song, note, quads, ctx, dropped, songTime, event, fade):
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119 note = graph.sequentialUri(song + '/n')
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120 curve = graph.sequentialUri(note + 'c')
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121 quads.extend([
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122 (song, L9['note'], note, ctx),
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123 (note, RDF.type, L9['Note'], ctx),
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124 (note, L9['curve'], curve, ctx),
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125 (note, L9['effectClass'], dropped, ctx),
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126 (note, L9['originTime'], Literal(songTime), ctx),
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127 (curve, RDF.type, L9['Curve'], ctx),
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128 (curve, L9['attr'], L9['strength'], ctx),
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129 ])
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130 if event == 'default':
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131 coords = [(0 - fade, 0), (0, 1), (20, 1), (20 + fade, 0)]
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132 elif event == 'start':
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133 coords = [(0 - fade, 0), (0, 1), ]
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134 elif event == 'end': # probably unused- goes to _finishCurve instead
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135 coords = [(20, 1), (20 + fade, 0)]
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136 else:
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137 raise NotImplementedError(event)
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138 for t,v in coords:
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139 pt = graph.sequentialUri(curve + 'p')
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140 quads.extend([(curve, L9['point'], pt, ctx)] + _point(ctx, pt, t, v))
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141 return note
1557
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142
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143 def _songHasEffect(graph, song, uri):
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144 """does this song have an effect of class uri or a sub curve for sub
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145 uri? this should be simpler to look up."""
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146 return False # todo
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147
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148 def musicCurveForSong(uri):
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149 return URIRef(uri + 'music')
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150
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151 def _newEffect(graph, song, ctx):
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152 effect = graph.sequentialUri(song + "/effect-")
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153 quads = [
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154 (song, L9['effect'], effect, ctx),
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155 (effect, RDF.type, L9['Effect'], ctx),
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156 ]
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157 print "_newEffect", effect, quads
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158 return effect, quads
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159
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160 @inlineCallbacks
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161 def _newEnvelopeCurve(graph, ctx, uri, label, fade=2):
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162 """this does its own patch to the graph"""
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163
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164 cr = CurveResource(graph, uri)
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165 cr.newCurve(ctx, label=Literal(label))
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166 yield _insertEnvelopePoints(cr.curve, fade)
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167 cr.saveCurve()
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168
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169 @inlineCallbacks
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170 def _insertEnvelopePoints(curve, fade=2):
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171 # wrong: we might not be adding to the currently-playing song.
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172 musicStatus = yield getMusicStatus()
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173 songTime=musicStatus['t']
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174 songDuration=musicStatus['duration']
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175
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176 t1 = clamp(songTime - fade, .1, songDuration - .1 * 2) + fade
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177 t2 = clamp(songTime + 20, t1 + .1, songDuration)
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178
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179 curve.insert_pt((t1 - fade, 0))
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180 curve.insert_pt((t1, 1))
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181 curve.insert_pt((t2, 1))
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182 curve.insert_pt((t2 + fade, 0))
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183
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184
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185 def _maybeAddMusicLine(quads, effect, song, ctx):
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186 """
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187 add a line getting the current music into 'music' if any code might
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188 be mentioning that var
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189 """
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190
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191 for spoc in quads:
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192 if spoc[1] == L9['code'] and 'music' in spoc[2]:
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193 quads.extend([
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194 (effect, L9['code'],
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195 Literal('music = %s' % musicCurveForSong(song).n3()), ctx)
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196 ])
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197 break