| 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.gnuplot 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 parse_args(): |
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| 13 | from optparse import OptionParser |
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| 14 | parser = OptionParser(usage=usage) |
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| 15 | parser.add_option("-i","--input", |
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| 16 | action="store", dest="filename", |
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| 17 | help="input sound file") |
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| 18 | parser.add_option("-M","--maxf", |
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| 19 | action="store", dest="maxf", default=10000., |
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| 20 | type='float',help="higher frequency limit") |
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| 21 | parser.add_option("-L","--minf", |
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| 22 | action="store", dest="minf", default=0., |
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| 23 | type='float',help="lower frequency limit") |
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| 24 | parser.add_option("-x","--xsize", |
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| 25 | action="store", dest="xsize", default=1., |
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| 26 | type='float',help="define xsize for plot") |
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| 27 | parser.add_option("-y","--ysize", |
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| 28 | action="store", dest="ysize", default=1., |
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| 29 | type='float',help="define ysize for plot") |
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| 30 | parser.add_option("-l","--log", |
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| 31 | action="store_true", dest="log", default=False, |
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| 32 | help="plot on a logarithmic scale") |
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| 33 | parser.add_option("-O","--outplot", |
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| 34 | action="store", dest="outplot", default=None, |
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| 35 | help="save plot to output.{ps,png}") |
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| 36 | parser.add_option("-B","--bufsize", type='int', |
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| 37 | action="store", dest="bufsize", default=8192, |
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| 38 | help="buffer size [default=8192]") |
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| 39 | parser.add_option("-H","--hopsize", type='int', |
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| 40 | action="store", dest="hopsize", default=1024, |
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| 41 | help="overlap size [default=1024]") |
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| 42 | (options, args) = parser.parse_args() |
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| 43 | if not options.filename: |
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| 44 | print "no file name given\n", usage |
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| 45 | sys.exit(1) |
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| 46 | return options, args |
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| 47 | |
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| 48 | options, args = parse_args() |
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| 49 | filename = options.filename |
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| 50 | |
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| 51 | if options.outplot: |
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| 52 | extension = options.outplot.split('.')[-1] |
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| 53 | outplot = '.'.join(options.outplot.split('.')[:-1]) |
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| 54 | else: |
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| 55 | extension = '' |
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| 56 | outplot = None |
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| 57 | |
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| 58 | g = gnuplot_create(outplot,extension,xsize=options.xsize, ysize=options.ysize) |
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| 59 | plot_spec(filename, g, log=options.log, |
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| 60 | maxf = options.maxf, minf = options.minf, |
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| 61 | xsize = options.xsize, ysize = options.ysize, |
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| 62 | bufsize = options.bufsize, hopsize = options.hopsize) |
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