| 1 | #! /usr/bin/python |
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| 2 | |
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| 3 | """ this file was written by Paul Brossier |
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| 4 | it is released under the GNU/GPL license. |
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| 5 | """ |
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| 6 | |
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| 7 | import sys |
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| 8 | from aubio.aubioclass import * |
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| 9 | |
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| 10 | usage = "usage: %s [options] -i soundfile" % sys.argv[0] |
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| 11 | |
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| 12 | def check_mode(option, opt, value, parser): |
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| 13 | nvalue = parser.rargs[0] |
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| 14 | if nvalue == 'complexdomain' : |
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| 15 | setattr(parser.values, option.dest, complexdomain) |
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| 16 | elif nvalue == 'hfc' : |
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| 17 | setattr(parser.values, option.dest, hfc) |
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| 18 | elif nvalue == 'phase' : |
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| 19 | setattr(parser.values, option.dest, phase) |
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| 20 | elif nvalue == 'specdiff' : |
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| 21 | setattr(parser.values, option.dest, specdiff) |
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| 22 | elif nvalue == 'energy' : |
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| 23 | setattr(parser.values, option.dest, energy) |
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| 24 | elif nvalue == 'kl' : |
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| 25 | setattr(parser.values, option.dest, kl) |
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| 26 | elif nvalue == 'mkl' : |
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| 27 | setattr(parser.values, option.dest, mkl) |
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| 28 | elif nvalue == 'dual' : |
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| 29 | setattr(parser.values, option.dest, 'dual') |
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| 30 | else: |
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| 31 | print "unknown detection function selected\n", usage |
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| 32 | sys.exit(1) |
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| 33 | |
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| 34 | def parse_args(): |
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| 35 | from optparse import OptionParser |
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| 36 | parser = OptionParser(usage=usage) |
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| 37 | parser.add_option("-i","--input", |
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| 38 | action="store", dest="filename", |
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| 39 | help="input sound file") |
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| 40 | parser.add_option("-m","--mode", action="callback", |
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| 41 | callback=check_mode, dest="mode", default='dual', |
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| 42 | help="onset detection mode [default=dual] \ |
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| 43 | complexdomain|hfc|phase|specdiff|energy|dual") |
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| 44 | parser.add_option("-B","--bufsize", |
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| 45 | action="store", dest="bufsize", default=1024, |
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| 46 | help="buffer size [default=1024]") |
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| 47 | parser.add_option("-H","--hopsize", |
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| 48 | action="store", dest="hopsize", default=512, |
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| 49 | help="overlap size [default=512]") |
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| 50 | parser.add_option("-t","--threshold", |
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| 51 | action="store", dest="threshold", default=0.3, |
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| 52 | help="onset peak picking threshold [default=0.3]") |
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| 53 | parser.add_option("-s","--silence", |
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| 54 | action="store", dest="silence", default=-70, |
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| 55 | help="silence threshold [default=-70]") |
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| 56 | parser.add_option("-M","--mintol", |
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| 57 | action="store", dest="mintol", default=0.048, |
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| 58 | help="minimum inter onset interval [default=0.048]") |
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| 59 | parser.add_option("-D","--delay", |
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| 60 | action="store", dest="delay", |
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| 61 | help="number of seconds to take back [default=system]\ |
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| 62 | default system delay is 2*hopsize/samplerate") |
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| 63 | parser.add_option("-L","--localmin", |
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| 64 | action="store_true", dest="localmin", default=False, |
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| 65 | help="use local minima after peak detection") |
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| 66 | parser.add_option("-c","--cut", |
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| 67 | action="store_true", dest="cut", default=False, |
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| 68 | help="cut input sound file at detected labels \ |
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| 69 | best used with option -L") |
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| 70 | parser.add_option("-d","--derivate", |
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| 71 | action="store_true", dest="derivate", default=False, |
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| 72 | help="derivate onset detection function") |
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| 73 | parser.add_option("-S","--silencecut", |
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| 74 | action="store_true", dest="silencecut", default=False, |
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| 75 | help="outputs silence locations") |
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| 76 | # to be implemented |
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| 77 | |
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| 78 | parser.add_option("-z","--zerocross", |
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| 79 | action="store_true", dest="zerocross", default=False, |
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| 80 | help="NOT IMPLEMENTED zero crossing matching") |
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| 81 | parser.add_option("-b","--beat", |
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| 82 | action="store_true", dest="beat", default=False, |
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| 83 | help="NOT IMPLEMENTED output beat locations") |
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| 84 | # plotting functions |
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| 85 | parser.add_option("-p","--plot", |
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| 86 | action="store_true", dest="plot", default=False, |
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| 87 | help="draw plot") |
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| 88 | parser.add_option("-O","--outplot", |
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| 89 | action="store", dest="outplot", default=None, |
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| 90 | help="save plot to output.{ps,png}") |
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| 91 | parser.add_option("-v","--verbose", |
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| 92 | action="store_true", dest="verbose", default=False, |
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| 93 | help="make lots of noise [default]") |
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| 94 | parser.add_option("-q","--quiet", |
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| 95 | action="store_false", dest="verbose", default=False, |
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| 96 | help="be quiet") |
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| 97 | (options, args) = parser.parse_args() |
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| 98 | if not options.filename: |
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| 99 | print "no file name given\n", usage |
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| 100 | sys.exit(1) |
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| 101 | return options, args |
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| 102 | |
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| 103 | options, args = parse_args() |
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| 104 | |
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| 105 | filename = options.filename |
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| 106 | samplerate = float(sndfile(filename).samplerate()) |
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| 107 | hopsize = int(options.hopsize) |
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| 108 | bufsize = int(options.bufsize) |
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| 109 | step = float(samplerate)/float(hopsize) |
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| 110 | threshold = float(options.threshold) |
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| 111 | silence = float(options.silence) |
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| 112 | mintol = float(options.mintol)*step |
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| 113 | # default take back system delay |
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| 114 | if options.delay: delay = float(options.delay) |
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| 115 | else: delay = 2./step |
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| 116 | |
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| 117 | if options.beat: |
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| 118 | #onsets = getbeats(filename,threshold,silence,mode=options.mode) |
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| 119 | exit("not implemented yet") |
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| 120 | elif options.silencecut: |
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| 121 | onsets = getsilences(filename,hopsize=hopsize,silence=silence) |
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| 122 | elif options.plot: |
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| 123 | onsets, ofunc = getonsets(filename,threshold,silence, |
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| 124 | mode=options.mode,localmin=options.localmin, |
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| 125 | derivate=options.derivate, |
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| 126 | bufsize=bufsize,hopsize=hopsize,storefunc=True) |
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| 127 | else: |
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| 128 | onsets = getonsets(filename,threshold,silence, |
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| 129 | mode=options.mode,localmin=options.localmin, |
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| 130 | derivate=options.derivate, |
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| 131 | bufsize=bufsize,hopsize=hopsize) |
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| 132 | |
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| 133 | # take back system delay |
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| 134 | if delay != 0: |
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| 135 | for i in range(len(onsets)): |
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| 136 | onsets[i] -= delay*step |
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| 137 | |
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| 138 | # prune doubled |
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| 139 | if mintol > 0: |
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| 140 | last = -2*mintol |
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| 141 | newonsets = [] |
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| 142 | for new in onsets: |
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| 143 | if (new - last > mintol): |
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| 144 | newonsets.append(new) |
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| 145 | last = new |
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| 146 | onsets = newonsets |
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| 147 | |
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| 148 | # print times in second |
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| 149 | if options.verbose: |
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| 150 | for i in onsets: print "%f" % (i/step) |
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| 151 | |
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| 152 | if options.plot: |
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| 153 | from aubio.gnuplot import plot_onsets |
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| 154 | plot_onsets(filename, onsets, ofunc, |
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| 155 | samplerate=samplerate, hopsize=hopsize, outplot=options.outplot) |
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| 156 | |
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| 157 | if options.cut: |
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| 158 | cutfile(filename,onsets,bufsize=bufsize,hopsize=hopsize) |
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