ref: fa6f6aa65a49d8660c0ca874c7af375932fa6bae
dir: /python.old/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 gnuplot_create,gnuplot_addargs,plot_spec
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=10000.,
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("-l","--log",
action="store_true", dest="log", default=False,
help="plot on a logarithmic scale")
parser.add_option("-B","--bufsize", type='int',
action="store", dest="bufsize", default=8192,
help="buffer size [default=8192]")
parser.add_option("-H","--hopsize", type='int',
action="store", dest="hopsize", default=1024,
help="overlap size [default=1024]")
gnuplot_addargs(parser)
(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
g = gnuplot_create(outplot,extension,options)
plot_spec(filename, g, options)