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annotate bin/curvecalc @ 267:9de7bbf50267

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curvecalc fixes, especially a slowdown of the updates that's working better
author drewp@bigasterisk.com
date Fri, 17 Jun 2005 03:49:07 +0000
parents 0f112a7dd6b3
children 9bf9685f5aae
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1 #!/usr/bin/python
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2
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3 """
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4 todo: curveview should preserve more objects, for speed maybe
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5
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6 """
0
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7 from __future__ import division
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8 import xmlrpclib,time,socket,sys,textwrap,math,glob,random,os,optparse
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9 from bisect import bisect_left,bisect,bisect_right
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10 import Tkinter as tk
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11 from dispatch import dispatcher
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12 from twisted.internet import reactor,tksupport
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13 import twisted
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14 from twisted.web.xmlrpc import Proxy
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16 import run_local
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17 from light9 import Submaster, dmxclient, networking, showconfig
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18 from light9.TLUtility import make_attributes_from_args
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19 from light9.zoomcontrol import Zoomcontrol
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20 from light9.curve import Curve, Curveview, Curveset, Curvesetview
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21 from light9.wavelength import wavelength
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22 from light9.uihelpers import toplevelat
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23
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24 class Music:
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25 def __init__(self):
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26 self.player=None # xmlrpc Proxy to player
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27 self.recenttime=0
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28
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29 def current_time(self):
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30 """return deferred which gets called with the current time"""
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31 if self.player is None:
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32 self.player = Proxy(networking.musicUrl())
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33 # d = self.player.callRemote("songlength")
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34 # d.addCallback(lambda l: dispatcher.send("max time",maxtime=l))
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35 # d = self.player.callRemote("songname")
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36 # d.addCallback(lambda n: dispatcher.send("songname",name=n))
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37 d = self.player.callRemote('gettime')
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38 def sendtime(t):
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39 dispatcher.send("input time",val=t)
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40 return t # pass along to the real receiver
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41 def error(e):
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42 pass#self.player=None
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43 d.addCallback(sendtime)
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44 return d
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45
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46 class Subexpr:
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47 curveset = None
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48 def __init__(self,curveset,expr=""):
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49 self.curveset = curveset
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50 self.lasteval = None
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51 self.expr=expr
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52 self._smooth_random_items = [random.random() for x in range(100)]
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53 def eval(self,t):
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54 if self.expr=="":
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55 dispatcher.send("expr_error",sender=self,exc="no expr, using 0")
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56 return 0
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57 glo = self.curveset.globalsdict()
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58 glo['t'] = t
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59
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60 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
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61 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
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62 glo['within'] = lambda a, b: a < t < b
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63 glo['bef'] = lambda x: t < x
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64 glo['aft'] = lambda x: x < t
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65 glo['smoove'] = lambda x: -2 * (x ** 3) + 3 * (x ** 2)
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66
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67 def smooth_random(speed=1):
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68 """1 = new stuff each second, <1 is slower, fade-ier"""
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69 x = (t * speed) % len(self._smooth_random_items)
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70 x1 = int(x)
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71 x2 = (int(x) + 1) % len(self._smooth_random_items)
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72 y1 = self._smooth_random_items[x1]
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73 y2 = self._smooth_random_items[x2]
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74 return y1 + (y2 - y1) * ((x - x1))
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75
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76 def notch_random(speed=1):
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77 """1 = new stuff each second, <1 is slower, notch-ier"""
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78 x = (t * speed) % len(self._smooth_random_items)
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79 x1 = int(x)
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80 y1 = self._smooth_random_items[x1]
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81 return y1
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82
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83 glo['noise'] = smooth_random
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84 glo['notch'] = notch_random
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85
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86 try:
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87 self.lasteval = eval(self.expr,glo)
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88 except Exception,e:
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89 dispatcher.send("expr_error",sender=self,exc=e)
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90 else:
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91 dispatcher.send("expr_error",sender=self,exc="ok")
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92 return self.lasteval
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93
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94 def expr():
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95 doc = "python expression for level as a function of t, using curves"
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96 def fget(self):
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97 return self._expr
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98 def fset(self, value):
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99 self._expr = value
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100 dispatcher("expr_changed",sender=self)
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101 return locals()
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102 expr = property(**expr())
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103
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104 class Subexprview(tk.Frame):
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105 def __init__(self,master,se,**kw):
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106 self.subexpr=se
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107 tk.Frame.__init__(self,master,**kw)
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108 self.evar = tk.StringVar()
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109 e = self.ent = tk.Entry(self,textvariable=self.evar)
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110 e.pack(side='left',fill='x',exp=1)
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111 self.expr_changed()
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112 self.evar.trace_variable('w',self.evar_changed)
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113 dispatcher.connect(self.expr_changed,"expr_changed",
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114 sender=self.subexpr)
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115 self.error = tk.Label(self)
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116 self.error.pack(side='left')
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117 dispatcher.connect(lambda exc: self.error.config(text=str(exc)),
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118 "expr_error",sender=self.subexpr,weak=0)
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119 def expr_changed(self):
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120 if self.subexpr.expr!=self.evar.get():
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121 self.evar.set(self.subexpr.expr)
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122 def evar_changed(self,*args):
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123 self.subexpr.expr = self.evar.get()
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124
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125 class Subterm:
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126 """one Submaster and its Subexpr"""
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127 def __init__(self,submaster,subexpr):
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128 make_attributes_from_args('submaster','subexpr')
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129 def scaled(self,t):
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130 return self.submaster * self.subexpr.eval(t)
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131
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132 class Subtermview(tk.Frame):
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133 def __init__(self,master,st,**kw):
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134 self.subterm = st
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135 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw)
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136 l = tk.Label(self,text="sub %r" % self.subterm.submaster.name)
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137 l.pack(side='left')
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138 sev=Subexprview(self,self.subterm.subexpr)
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139 sev.pack(side='left',fill='both',exp=1)
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140
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141 class Output:
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142 lastsendtime=0
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143 lastsendlevs=None
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144 def __init__(self,subterms):
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145 make_attributes_from_args('subterms')
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146 def send_dmx(self,t):
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147
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148 scaledsubs=[]
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149 for st in self.subterms:
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150 scl = st.scaled(t)
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151 scaledsubs.append(scl)
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152 out = Submaster.sub_maxes(*scaledsubs)
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153 levs = out.get_levels()
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154 now=time.time()
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155 if now-self.lastsendtime>5 or levs!=self.lastsendlevs:
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156 dispatcher.send("output levels",val=levs)
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157 dmxclient.outputlevels(out.get_dmx_list(),
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158 twisted=1,clientid='curvecalc')
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159 self.lastsendtime = now
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160 self.lastsendlevs = levs
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161
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162 def create_status_lines(master):
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163 for signame,textfilter in [
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164 ('input time',lambda t: "%.2fs"%t),
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165 ('output levels',
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166 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v)
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167 for n,v in
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168 levels.items()[:5]
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169 if v>0]),70)),
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170 ('update period',lambda t: "%.1fms"%(t*1000)),
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171 ('update status',lambda t: str(t)),
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172 ]:
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173 l = tk.Label(master,anchor='w',justify='left')
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174 l.pack(side='top',fill='x')
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175 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter:
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176 l.config(text=sn+": "+tf(val)),
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177 signame,weak=0)
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178
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179 def savesubterms(filename,subterms):
205
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180 s=""
202
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181 for st in subterms:
229
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182 s=s+"%s %s\n" % (st.submaster.name, st.subexpr.expr)
205
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183
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184 file(filename,'w').write(s)
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185
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186 class SubtermSetView(tk.Frame):
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187 def __init__(self, master, *args, **kw):
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188 tk.Frame.__init__(self, master, *args, **kw)
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189 self.cur_row = 0
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190 self.cur_col = 0
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191 self.ncols = 2
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192 def add_subtermview(self, stv):
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193 stv.grid(row=self.cur_row, column=self.cur_col, sticky='news')
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194 self.columnconfigure(self.cur_col, weight=1)
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195
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196 self.cur_col += 1
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197 self.cur_col %= self.ncols
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198 if self.cur_col == 0:
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199 self.cur_row += 1
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200
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201 def add_one_subterm(subname, curveset, subterms, root, ssv, expr=''):
205
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202 term = Subterm(Submaster.Submaster(subname), Subexpr(curveset,expr))
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203 subterms.append(term)
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204
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205 stv=Subtermview(ssv,term)
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206 # stv.pack(side='top',fill='x')
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207
205
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208 ssv.add_subtermview(stv)
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209
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210 return term
0
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211
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212 def subterm_adder(master, curveset, subterms, root, ssv):
205
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213 f=tk.Frame(master,relief='raised',bd=1)
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214 newname = tk.StringVar()
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215
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216 def add_cmd():
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217 add_one_subterm(newname.get(), curveset, subterms, root, ssv, '')
205
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218
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219 tk.Button(f,text="new subterm named:", command=add_cmd).pack(side='left')
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220 tk.Entry(f,textvariable=newname).pack(side='left',fill='x',exp=1)
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221 return f
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222
0
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223 #######################################################################
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224 root=tk.Tk()
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225 root.tk_setPalette("gray50")
264
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226 toplevelat("curvecalc",root)
205
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227 root.tk_focusFollowsMouse()
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228
236
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229 parser = optparse.OptionParser()
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230 options,args = parser.parse_args()
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231
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232 try:
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233 song = args[0]
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234 except IndexError:
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235 raise SystemExit("song name is required, e.g. '05-mix'")
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236
202
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237 music=Music()
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238
197
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239 zc = Zoomcontrol(root)
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240 zc.pack(side='top',fill='x')
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241
202
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242 curveset = Curveset()
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243 csv = Curvesetview(root,curveset)
197
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244 csv.pack(side='top',fill='both',exp=1)
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245
205
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246 ssv = SubtermSetView(root)
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247 ssv.pack(side='top', fill='x')
202
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248
205
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249 root.title("Curemaster 2000MX - %s" % song)
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250
215
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251 musicfilename = showconfig.songFilename(song)
205
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252 maxtime = wavelength(musicfilename)
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253 dispatcher.send("max time",maxtime=maxtime)
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254 dispatcher.connect(lambda: maxtime, "get max time",weak=0)
215
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diff changeset
255 curveset.load(basename=os.path.join(showconfig.curvesDir(),song))
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256
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257 subterms = []
210
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258 subterm_adder(root, curveset, subterms, root, ssv).pack(side='top',fill='x')
216
233ee9b1e561 checked the showconfig patch and fixed bugs
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259 for line in file(showconfig.subtermsForSong(song)):
230
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260 try:
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261 subname,expr = line.strip().split(" ",1)
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262 except ValueError:
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263 subname = line.strip()
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264 expr = ""
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265
210
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diff changeset
266 term = add_one_subterm(subname, curveset, subterms, root, ssv, expr)
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267
205
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268 # stv=Subtermview(root,term)
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269 # stv.pack(side='top',fill='x')
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270
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271 out = Output(subterms)
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272
205
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273 def savekey(*args):
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274 print "saving",song
215
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275 savesubterms(showconfig.subtermsForSong(song),subterms)
230
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diff changeset
276 curveset.save(basename=os.path.join(showconfig.curvesDir(),song))
205
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277 print "saved"
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278
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279
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280 root.bind("<Control-Key-s>",savekey)
202
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281
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282 create_status_lines(root)
228
9827df597f86 added help texts to subcomposer, curvecalc
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diff changeset
283 for helpline in ["Bindings: C-s save subterms; B1 drag point; C-B1 curve add point; 1..5 add point at time; Esc see current time; Mousewheel zoom",
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284 "Available in functions: nsin/ncos period=amp=1; within(a,b) bef(x) aft(x) compare to time; smoove(x) cubic smoothstep; curvename(t) eval curve"]:
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diff changeset
285 tk.Label(root,text=helpline, font="Helvetica -12 italic",
9827df597f86 added help texts to subcomposer, curvecalc
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diff changeset
286 anchor='w').pack(side='top',fill='x')
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diff changeset
287
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288 recent_t=[]
202
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289 later = None
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290 def update():
202
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291 global later
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292 d = music.current_time()
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293 d.addCallback(update2)
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294 d.addErrback(updateerr)
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295 def updateerr(e):
202
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diff changeset
296 global later
236
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297 dispatcher.send("update status",val=e.getErrorMessage())
202
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diff changeset
298 if later and not later.cancelled and not later.called: later.cancel()
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diff changeset
299 later = reactor.callLater(1,update)
0
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300 def update2(t):
202
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301 global recent_t,later
236
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diff changeset
302 dispatcher.send("update status",
267
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diff changeset
303 val="ok: receiving time from music player")
202
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diff changeset
304 if later and not later.cancelled and not later.called: later.cancel()
267
9de7bbf50267 curvecalc fixes, especially a slowdown of the updates that's working better
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parents: 264
diff changeset
305
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diff changeset
306 later = reactor.callLater(.05,update)
0
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307
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diff changeset
308 recent_t = recent_t[-50:]+[t]
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diff changeset
309 period = (recent_t[-1]-recent_t[0])/len(recent_t)
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310 dispatcher.send("update period",val=period)
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311 out.send_dmx(t)
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312 update()
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313
205
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diff changeset
314 #def logprint(msg):
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315 # print "log",msg
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316 #twisted.python.log.addObserver(logprint)
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diff changeset
317
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diff changeset
318 root.bind("<Control-Key-q>",lambda ev: reactor.stop)
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diff changeset
319 root.bind("<Destroy>",lambda ev: reactor.stop)
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diff changeset
320 root.protocol('WM_DELETE_WINDOW', reactor.stop)
267
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parents: 264
diff changeset
321 tksupport.install(root,ms=20)
0
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diff changeset
322 if 0:
267
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parents: 264
diff changeset
323 sys.path.append("/home/drewp/projects/cuisine/pour")
0
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324 from utils import runstats
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325 runstats("reactor.run()")
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326 else:
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327 reactor.run()