| 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.task 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 | |
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| 13 | def parse_args(): |
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| 14 | from optparse import OptionParser |
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| 15 | parser = OptionParser(usage=usage) |
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| 16 | parser.add_option("-i","--input", |
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| 17 | action="store", dest="filename", |
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| 18 | help="input sound file") |
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| 19 | parser.add_option("-m","--mode", |
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| 20 | action="store", dest="mode", default='mcomb', |
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| 21 | help="pitch detection mode [default=mcomb] \ |
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| 22 | mcomb|yin|fcomb|schmitt") |
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| 23 | parser.add_option("-u","--units", action="callback", |
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| 24 | callback=check_pitchm_mode, dest="omode", |
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| 25 | default=aubio_pitchm_freq, |
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| 26 | help="output pitch in units [default=Hz] \ |
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| 27 | freq|midi|cent|bin") |
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| 28 | parser.add_option("-B","--bufsize", |
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| 29 | action="store", dest="bufsize", default=None, |
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| 30 | help="buffer size [default=1024]") |
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| 31 | parser.add_option("-H","--hopsize", |
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| 32 | action="store", dest="hopsize", default=None, |
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| 33 | help="overlap size [default=512]") |
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| 34 | parser.add_option("-t","--threshold", |
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| 35 | action="store", dest="threshold", default=0.1, |
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| 36 | help="pitch threshold (for yin) [default=0.1]") |
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| 37 | parser.add_option("-s","--silence", |
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| 38 | action="store", dest="silence", default=-70, |
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| 39 | help="silence threshold [default=-70]") |
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| 40 | parser.add_option("-D","--delay", |
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| 41 | action="store", dest="delay", |
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| 42 | help="number of seconds frames to take back [default=0]") |
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| 43 | parser.add_option("-S","--smoothing", |
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| 44 | action="store", dest="smoothing", default=False, |
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| 45 | help="use a median filter of N frames [default=0]") |
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| 46 | parser.add_option("-M","--maximum", |
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| 47 | action="store", dest="pitchmax", default=False, |
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| 48 | help="maximum pitch value to look for (Hz) [default=20000]") |
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| 49 | parser.add_option("-l","--minimum", |
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| 50 | action="store", dest="pitchmin", default=False, |
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| 51 | help="minimum pitch value to look for (Hz) [default=20]") |
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| 52 | # to be implemented |
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| 53 | parser.add_option("-n","--note", |
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| 54 | action="store_true", dest="note", default=False, |
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| 55 | help="NOT IMPLEMENTED output notes") |
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| 56 | # plotting functions |
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| 57 | parser.add_option("-p","--plot", |
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| 58 | action="store_true", dest="plot", default=False, |
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| 59 | help="draw plot of the pitch track") |
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| 60 | parser.add_option("-O","--outplot", |
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| 61 | action="store", dest="outplot", default=None, |
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| 62 | help="save the plot to output.{ps,png,svg} instead of displaying it") |
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| 63 | parser.add_option("-v","--verbose", |
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| 64 | action="store_true", dest="verbose", default=False, |
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| 65 | help="make lots of noise") |
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| 66 | parser.add_option("-q","--quiet", |
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| 67 | action="store_false", dest="verbose", default=False, |
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| 68 | help="be quiet") |
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| 69 | (options, args) = parser.parse_args() |
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| 70 | if not options.bufsize: |
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| 71 | if options.mode == aubio_pitch_yin: options.bufsize = 1024 |
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| 72 | if options.mode == aubio_pitch_schmitt: options.bufsize = 2048 |
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| 73 | if options.mode == aubio_pitch_mcomb: options.bufsize = 4096 |
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| 74 | if options.mode == aubio_pitch_fcomb: options.bufsize = 4096 |
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| 75 | else: options.bufsize = 2048 |
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| 76 | if not options.hopsize: |
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| 77 | options.hopsize = float(options.bufsize) / 2 |
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| 78 | if not options.filename: |
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| 79 | print "no file name given\n", usage |
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| 80 | sys.exit(1) |
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| 81 | return options, args |
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| 82 | |
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| 83 | options, args = parse_args() |
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| 84 | |
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| 85 | #print options.bufsize, options.hopsize |
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| 86 | |
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| 87 | filename = options.filename |
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| 88 | params = taskparams() |
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| 89 | params.samplerate = float(sndfile(filename).samplerate()) |
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| 90 | params.hopsize = int(options.hopsize) |
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| 91 | params.bufsize = int(options.bufsize) |
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| 92 | params.step = params.samplerate/float(params.hopsize) |
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| 93 | params.yinthresh = float(options.threshold) |
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| 94 | params.silence = float(options.silence) |
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| 95 | params.verbose = options.verbose |
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| 96 | if options.smoothing: params.pitchsmooth = int(options.smoothing) |
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| 97 | if options.pitchmax: params.pitchmax = int(options.pitchmax) |
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| 98 | if options.pitchmin: params.pitchmin = int(options.pitchmin) |
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| 99 | #mintol = float(options.mintol)*step |
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| 100 | # default take back system delay |
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| 101 | if options.delay: params.pitchdelay = float(options.delay) |
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| 102 | |
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| 103 | if options.note: |
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| 104 | exit("not implemented yet") |
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| 105 | |
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| 106 | wplot,oplots = [],[] |
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| 107 | modes = options.mode.split(',') |
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| 108 | for i in range(len(modes)): |
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| 109 | pitch = [] |
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| 110 | params.pitchmode = modes[i] |
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| 111 | filetask = taskpitch(filename,params=params) |
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| 112 | pitch = filetask.compute_all() |
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| 113 | #print filetask.eval(pitch[i]) |
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| 114 | if options.plot: filetask.plot(pitch,wplot,oplots) |
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| 115 | |
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| 116 | if options.plot: |
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| 117 | filetask.plotplot(wplot,oplots,outplot=options.outplot) |
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