| 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 | |
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| 8 | import sys |
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| 9 | from aubio.aubioclass import * |
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| 10 | |
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| 11 | usage = "usage: %s [options] -i soundfile" % sys.argv[0] |
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| 12 | |
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| 13 | |
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| 14 | def parse_args(): |
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| 15 | from optparse import OptionParser |
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| 16 | parser = OptionParser(usage=usage) |
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| 17 | parser.add_option("-i","--input", |
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| 18 | action="store", dest="filename", |
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| 19 | help="input sound file") |
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| 20 | parser.add_option("-m","--mode", action="callback", |
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| 21 | callback=check_pitch_mode, dest="mode", |
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| 22 | default=aubio_pitch_mcomb, |
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| 23 | help="pitch detection mode [default=mcomb] \ |
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| 24 | mcomb|yin|fcomb|schmitt") |
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| 25 | parser.add_option("-B","--bufsize", |
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| 26 | action="store", dest="bufsize", default=1024, |
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| 27 | help="buffer size [default=1024]") |
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| 28 | parser.add_option("-H","--hopsize", |
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| 29 | action="store", dest="hopsize", default=512, |
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| 30 | help="overlap size [default=512]") |
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| 31 | parser.add_option("-t","--threshold", |
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| 32 | action="store", dest="threshold", default=0.1, |
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| 33 | help="pitch threshold (for yin) [default=0.1]") |
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| 34 | parser.add_option("-s","--silence", |
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| 35 | action="store", dest="silence", default=-70, |
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| 36 | help="silence threshold [default=-70]") |
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| 37 | parser.add_option("-D","--delay", |
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| 38 | action="store", dest="delay", |
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| 39 | help="number of seconds to take back [default=system]\ |
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| 40 | default system delay is 2*hopsize/samplerate") |
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| 41 | parser.add_option("-L","--localmin", |
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| 42 | action="store_true", dest="localmin", default=False, |
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| 43 | help="use local minima after peak detection") |
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| 44 | parser.add_option("-c","--cut", |
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| 45 | action="store_true", dest="cut", default=False, |
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| 46 | help="cut input sound file at detected labels \ |
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| 47 | best used with option -L") |
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| 48 | # to be implemented |
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| 49 | parser.add_option("-n","--note", |
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| 50 | action="store_true", dest="note", default=False, |
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| 51 | help="NOT IMPLEMENTED output notes") |
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| 52 | # plotting functions |
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| 53 | parser.add_option("-p","--plot", |
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| 54 | action="store_true", dest="plot", default=False, |
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| 55 | help="NOT IMPLEMENTED draw plot") |
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| 56 | parser.add_option("-O","--outplot", |
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| 57 | action="store", dest="outplot", default=None, |
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| 58 | help="NOT IMPLEMENTED save plot to output.{ps,png}") |
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| 59 | parser.add_option("-v","--verbose", |
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| 60 | action="store_true", dest="verbose", default=False, |
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| 61 | help="make lots of noise [default]") |
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| 62 | parser.add_option("-q","--quiet", |
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| 63 | action="store_false", dest="verbose", default=False, |
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| 64 | help="be quiet") |
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| 65 | (options, args) = parser.parse_args() |
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| 66 | if not options.filename: |
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| 67 | print "no file name given\n", usage |
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| 68 | sys.exit(1) |
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| 69 | return options, args |
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| 70 | |
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| 71 | options, args = parse_args() |
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| 72 | |
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| 73 | filename = options.filename |
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| 74 | samplerate = float(sndfile(filename).samplerate()) |
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| 75 | hopsize = int(options.hopsize) |
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| 76 | bufsize = int(options.bufsize) |
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| 77 | step = float(samplerate)/float(hopsize) |
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| 78 | threshold = float(options.threshold) |
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| 79 | silence = float(options.silence) |
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| 80 | #mintol = float(options.mintol)*step |
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| 81 | # default take back system delay |
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| 82 | if options.delay: delay = float(options.delay) |
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| 83 | else: delay = 2./step |
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| 84 | |
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| 85 | if options.note: |
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| 86 | exit("not implemented yet") |
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| 87 | else: |
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| 88 | pitch = getpitch(filename, #threshold,silence, |
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| 89 | mode=options.mode, |
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| 90 | bufsize=bufsize,hopsize=hopsize) |
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| 91 | |
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| 92 | ## take back system delay |
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| 93 | #if delay != 0: |
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| 94 | # for i in range(len(onsets)): |
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| 95 | # onsets[i] -= delay*step |
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| 96 | # |
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| 97 | ## prune doubled |
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| 98 | #if mintol > 0: |
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| 99 | # last = -2*mintol |
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| 100 | # newonsets = [] |
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| 101 | # for new in onsets: |
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| 102 | # if (new - last > mintol): |
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| 103 | # newonsets.append(new) |
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| 104 | # last = new |
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| 105 | # onsets = newonsets |
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| 106 | |
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| 107 | # print times in second |
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| 108 | if options.verbose: |
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| 109 | for i in range(len(pitch)): |
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| 110 | print "%f\t%f" % (i/step,pitch[i]) |
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| 111 | |
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| 112 | if options.plot: |
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| 113 | from aubio.gnuplot import plot_pitch |
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| 114 | plot_pitch(filename, pitch, |
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| 115 | samplerate=samplerate, hopsize=hopsize, outplot=options.outplot) |
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| 116 | |
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