1 | |
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2 | from aubio.task import task |
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3 | from aubio.aubioclass import * |
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4 | |
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5 | class tasknotes(task): |
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6 | def __init__(self,input,output=None,params=None): |
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7 | task.__init__(self,input,params=params) |
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8 | self.opick = onsetpick(self.params.bufsize, |
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9 | self.params.hopsize, |
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10 | self.channels, |
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11 | self.myvec, |
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12 | self.params.threshold, |
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13 | mode=self.params.onsetmode, |
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14 | dcthreshold=self.params.dcthreshold, |
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15 | derivate=self.params.derivate) |
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16 | self.pitchdet = pitchdetection(mode=self.params.pitchmode, |
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17 | bufsize=self.params.pbufsize, |
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18 | hopsize=self.params.phopsize, |
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19 | channels=self.channels, |
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20 | samplerate=self.srate, |
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21 | omode=self.params.omode) |
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22 | self.olist = [] |
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23 | self.ofunc = [] |
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24 | self.maxofunc = 0 |
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25 | self.last = -1000 |
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26 | self.oldifreq = 0 |
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27 | if self.params.localmin: |
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28 | self.ovalist = [0., 0., 0., 0., 0.] |
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29 | |
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30 | def __call__(self): |
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31 | from aubio.median import short_find |
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32 | task.__call__(self) |
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33 | isonset,val = self.opick.do(self.myvec) |
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34 | if (aubio_silence_detection(self.myvec(),self.params.silence)): |
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35 | isonset=0 |
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36 | freq = -1. |
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37 | else: |
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38 | freq = self.pitchdet(self.myvec) |
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39 | minpitch = self.params.pitchmin |
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40 | maxpitch = self.params.pitchmax |
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41 | if maxpitch and freq > maxpitch : |
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42 | freq = -1. |
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43 | elif minpitch and freq < minpitch : |
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44 | freq = -1. |
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45 | freq = aubio_freqtomidi(freq) |
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46 | if self.params.pitchsmooth: |
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47 | self.shortlist.append(freq) |
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48 | self.shortlist.pop(0) |
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49 | smoothfreq = short_find(self.shortlist, |
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50 | len(self.shortlist)/2) |
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51 | freq = smoothfreq |
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52 | now = self.frameread |
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53 | ifreq = int(round(freq)) |
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54 | if self.oldifreq == ifreq: |
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55 | self.oldifreq = ifreq |
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56 | else: |
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57 | self.oldifreq = ifreq |
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58 | ifreq = 0 |
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59 | # take back delay |
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60 | if self.params.delay != 0.: now -= self.params.delay |
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61 | if now < 0 : |
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62 | now = 0 |
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63 | if (isonset == 1): |
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64 | if self.params.mintol: |
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65 | # prune doubled |
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66 | if (now - self.last) > self.params.mintol: |
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67 | self.last = now |
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68 | return now, 1, freq, ifreq |
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69 | else: |
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70 | return now, 0, freq, ifreq |
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71 | else: |
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72 | return now, 1, freq, ifreq |
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73 | else: |
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74 | return now, 0, freq, ifreq |
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75 | |
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76 | |
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77 | def fprint(self,foo): |
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78 | print self.params.step*foo[0], foo[1], foo[2], foo[3] |
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79 | |
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80 | def compute_all(self): |
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81 | """ Compute data """ |
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82 | now, onset, freq, ifreq = [], [], [], [] |
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83 | while(self.readsize==self.params.hopsize): |
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84 | n, o, f, i = self() |
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85 | now.append(n*self.params.step) |
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86 | onset.append(o) |
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87 | freq.append(f) |
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88 | ifreq.append(i) |
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89 | if self.params.verbose: |
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90 | self.fprint((n,o,f,i)) |
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91 | return now, onset, freq, ifreq |
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92 | |
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93 | def plot(self,now,onset,freq,ifreq,oplots): |
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94 | import Gnuplot |
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95 | |
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96 | oplots.append(Gnuplot.Data(now,freq,with_='lines', |
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97 | title=self.params.pitchmode)) |
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98 | oplots.append(Gnuplot.Data(now,ifreq,with_='lines', |
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99 | title=self.params.pitchmode)) |
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100 | |
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101 | temponsets = [] |
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102 | for i in onset: |
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103 | temponsets.append(i*1000) |
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104 | oplots.append(Gnuplot.Data(now,temponsets,with_='impulses', |
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105 | title=self.params.pitchmode)) |
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106 | |
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107 | def plotplot(self,wplot,oplots,outplot=None,multiplot = 0): |
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108 | from aubio.gnuplot import gnuplot_init, audio_to_array, make_audio_plot |
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109 | import re |
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110 | import Gnuplot |
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111 | # audio data |
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112 | time,data = audio_to_array(self.input) |
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113 | f = make_audio_plot(time,data) |
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114 | |
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115 | # check if ground truth exists |
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116 | #timet,pitcht = self.gettruth() |
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117 | #if timet and pitcht: |
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118 | # oplots = [Gnuplot.Data(timet,pitcht,with_='lines', |
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119 | # title='ground truth')] + oplots |
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120 | |
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121 | t = Gnuplot.Data(0,0,with_='impulses') |
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122 | |
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123 | g = gnuplot_init(outplot) |
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124 | g('set title \'%s\'' % (re.sub('.*/','',self.input))) |
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125 | g('set multiplot') |
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126 | # hack to align left axis |
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127 | g('set lmargin 15') |
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128 | # plot waveform and onsets |
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129 | g('set size 1,0.3') |
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130 | g('set origin 0,0.7') |
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131 | g('set xrange [0:%f]' % max(time)) |
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132 | g('set yrange [-1:1]') |
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133 | g.ylabel('amplitude') |
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134 | g.plot(f) |
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135 | g('unset title') |
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136 | # plot onset detection function |
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137 | |
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138 | |
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139 | g('set size 1,0.7') |
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140 | g('set origin 0,0') |
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141 | g('set xrange [0:%f]' % max(time)) |
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142 | g('set yrange [20:100]') |
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143 | g('set key right top') |
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144 | g('set noclip one') |
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145 | #g('set format x ""') |
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146 | #g('set log y') |
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147 | #g.xlabel('time (s)') |
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148 | g.ylabel('f0 (Hz)') |
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149 | if multiplot: |
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150 | for i in range(len(oplots)): |
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151 | # plot onset detection functions |
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152 | g('set size 1,%f' % (0.7/(len(oplots)))) |
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153 | g('set origin 0,%f' % (float(i)*0.7/(len(oplots)))) |
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154 | g('set xrange [0:%f]' % max(time)) |
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155 | g.plot(oplots[i]) |
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156 | else: |
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157 | g.plot(*oplots) |
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158 | #g('unset multiplot') |
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159 | |
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