ref: fb8bde7a0e13c1e3a8f028ab434f15df436beb4c
dir: /python/aubiopitch/
#!/usr/bin/python
""" this file was written by Paul Brossier
it is released under the GNU/GPL license.
"""
import sys
from aubio.task 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","--mode",
action="store", dest="mode", default='mcomb',
help="pitch detection mode [default=mcomb] \
mcomb|yin|fcomb|schmitt")
parser.add_option("-u","--units", action="callback",
callback=check_pitchm_mode, dest="omode",
default=aubio_pitchm_freq,
help="output pitch in units [default=Hz] \
freq|midi|cent|bin")
parser.add_option("-B","--bufsize",
action="store", dest="bufsize", default=None,
help="buffer size [default=1024]")
parser.add_option("-H","--hopsize",
action="store", dest="hopsize", default=None,
help="overlap size [default=512]")
parser.add_option("-t","--threshold",
action="store", dest="threshold", default=0.1,
help="pitch threshold (for yin) [default=0.1]")
parser.add_option("-s","--silence",
action="store", dest="silence", default=-70,
help="silence threshold [default=-70]")
parser.add_option("-D","--delay",
action="store", dest="delay",
help="number of seconds frames to take back [default=0]")
parser.add_option("-S","--smoothing",
action="store", dest="smoothing", default=False,
help="use a median filter of N frames [default=0]")
parser.add_option("-M","--maximum",
action="store", dest="pitchmax", default=False,
help="maximum pitch value to look for (Hz) [default=20000]")
parser.add_option("-l","--minimum",
action="store", dest="pitchmin", default=False,
help="minimum pitch value to look for (Hz) [default=20]")
# to be implemented
parser.add_option("-n","--note",
action="store_true", dest="note", default=False,
help="NOT IMPLEMENTED output notes")
# plotting functions
parser.add_option("-p","--plot",
action="store_true", dest="plot", default=False,
help="draw plot of the pitch track")
parser.add_option("-O","--outplot",
action="store", dest="outplot", default=None,
help="save the plot to output.{ps,png,svg} instead of displaying it")
parser.add_option("-v","--verbose",
action="store_true", dest="verbose", default=False,
help="make lots of noise")
parser.add_option("-q","--quiet",
action="store_false", dest="verbose", default=False,
help="be quiet")
(options, args) = parser.parse_args()
if not options.bufsize:
if options.mode == aubio_pitch_yin: options.bufsize = 1024
if options.mode == aubio_pitch_schmitt: options.bufsize = 2048
if options.mode == aubio_pitch_mcomb: options.bufsize = 4096
if options.mode == aubio_pitch_fcomb: options.bufsize = 4096
else: options.bufsize = 2048
if not options.hopsize:
options.hopsize = float(options.bufsize) / 2
if not options.filename:
print "no file name given\n", usage
sys.exit(1)
return options, args
options, args = parse_args()
#print options.bufsize, options.hopsize
filename = options.filename
params = taskparams()
params.samplerate = float(sndfile(filename).samplerate())
params.hopsize = int(options.hopsize)
params.bufsize = int(options.bufsize)
params.step = params.samplerate/float(params.hopsize)
params.yinthresh = float(options.threshold)
params.silence = float(options.silence)
params.verbose = options.verbose
if options.smoothing: params.pitchsmooth = int(options.smoothing)
if options.pitchmax: params.pitchmax = int(options.pitchmax)
if options.pitchmin: params.pitchmin = int(options.pitchmin)
#mintol = float(options.mintol)*step
# default take back system delay
if options.delay: params.pitchdelay = float(options.delay)
if options.note:
exit("not implemented yet")
wplot,oplots = [],[]
modes = options.mode.split(',')
for i in range(len(modes)):
pitch = []
params.pitchmode = modes[i]
filetask = taskpitch(filename,params=params)
pitch = filetask.compute_all()
#print filetask.eval(pitch[i])
if options.plot: filetask.plot(pitch,wplot,oplots)
if options.plot:
filetask.plotplot(wplot,oplots,outplot=options.outplot)