ref: aa3637a0b8345daca56c6687322305fed65d1df8
dir: /python/aubioplot-spec/
#! /usr/bin/python
""" this file was written by Paul Brossier
it is released under the GNU/GPL license.
"""
import sys
from aubio.gnuplot import *
usage = "usage: %s [options] -i soundfile" % sys.argv[0]
def parse_args():
from optparse import OptionParser
parser = OptionParser(usage=usage)
parser.add_option("-i","--input",
action="store", dest="filename",
help="input sound file")
parser.add_option("-M","--maxf",
action="store", dest="maxf", default=0.,
type='float',help="higher frequency limit")
parser.add_option("-L","--minf",
action="store", dest="minf", default=0.,
type='float',help="lower frequency limit")
parser.add_option("-x","--xsize",
action="store", dest="xsize", default=1.,
type='float',help="define xsize for plot")
parser.add_option("-y","--ysize",
action="store", dest="ysize", default=1.,
type='float',help="define ysize for plot")
parser.add_option("-l","--log",
action="store_true", dest="log", default=False,
help="plot on a logarithmic scale")
parser.add_option("-O","--outplot",
action="store", dest="outplot", default=None,
help="save plot to output.{ps,png}")
(options, args) = parser.parse_args()
if not options.filename:
print "no file name given\n", usage
sys.exit(1)
return options, args
options, args = parse_args()
filename = options.filename
if options.outplot:
extension = options.outplot.split('.')[-1]
outplot = '.'.join(options.outplot.split('.')[:-1])
else:
extension = ''
outplot = None
plot_spec(filename, outplot=outplot, extension=extension, log=options.log,
maxf = options.maxf, minf = options.minf,
xsize = options.xsize, ysize = options.ysize)