"""
import sys
-#from aubio.task import *
-
-usage = "usage: %s [options] -i soundfile" % sys.argv[0]
def parse_args():
from optparse import OptionParser
+ usage = "usage: %s [options] -i soundfile" % sys.argv[0]
+ usage += "\n help: %s -h" % sys.argv[0]
parser = OptionParser(usage=usage)
parser.add_option("-i", "--input", action = "store", dest = "source_file",
help="input sound file to analyse", metavar = "<source_file>")
- parser.add_option("-m","--method",
+ parser.add_option("-O","--onset-method",
action="store", dest="onset_method", default='default',
metavar = "<onset_method>",
help="onset detection method [default=default] \
complexdomain|hfc|phase|specdiff|energy|kl|mkl")
# cutting methods
- """
parser.add_option("-b","--beat",
action="store_true", dest="beat", default=False,
help="use beat locations")
+ """
parser.add_option("-S","--silencecut",
action="store_true", dest="silencecut", default=False,
help="use silence locations")
help="silence threshold [default=-70]")
"""
# algorithm parameters
- parser.add_option("--samplerate",
+ parser.add_option("-r", "--samplerate",
metavar = "<freq>", type='int',
action="store", dest="samplerate", default=0,
help="samplerate at which the file should be represented")
parser.add_option("-B","--bufsize",
action="store", dest="bufsize", default=512,
- metavar = "<size>",
+ metavar = "<size>", type='int',
help="buffer size [default=512]")
parser.add_option("-H","--hopsize",
- metavar = "<size>",
+ metavar = "<size>", type='int',
action="store", dest="hopsize", default=256,
help="overlap size [default=256]")
- parser.add_option("-t","--threshold",
+ parser.add_option("-t","--onset-threshold",
metavar = "<value>", type="float",
action="store", dest="threshold", default=0.3,
help="onset peak picking threshold [default=0.3]")
action="store_true", dest="cut", default=False,
help="cut input sound file at detected labels \
best used with option -L")
+
+ # minioi
+ parser.add_option("-M","--minioi",
+ metavar = "<value>", type='string',
+ action="store", dest="minioi", default="12ms",
+ help="minimum inter onset interval [default=12ms]")
+
"""
parser.add_option("-D","--delay",
action = "store", dest = "delay", type = "float",
metavar = "<value>",
action="store", dest="dcthreshold", default=1.,
help="onset peak picking DC component [default=1.]")
- parser.add_option("-M","--mintol",
- metavar = "<value>",
- action="store", dest="mintol", default=0.048,
- help="minimum inter onset interval [default=0.048]")
parser.add_option("-L","--localmin",
action="store_true", dest="localmin", default=False,
help="use local minima after peak detection")
action="store_true", dest="spectro", default=False,
help="add spectrogram to the plot")
"""
+ parser.add_option("-o","--output", type = str,
+ metavar = "<outputdir>",
+ action="store", dest="output_directory", default=None,
+ help="specify path where slices of the original file should be created")
+ parser.add_option("--cut-until-nsamples", type = int,
+ metavar = "<samples>",
+ action = "store", dest = "cut_until_nsamples", default = None,
+ help="how many extra samples should be added at the end of each slice")
+ parser.add_option("--cut-every-nslices", type = int,
+ metavar = "<samples>",
+ action = "store", dest = "cut_every_nslices", default = None,
+ help="how many slices should be groupped together at each cut")
+ parser.add_option("--cut-until-nslices", type = int,
+ metavar = "<slices>",
+ action = "store", dest = "cut_until_nslices", default = None,
+ help="how many extra slices should be added at the end of each slice")
+
parser.add_option("-v","--verbose",
action="store_true", dest="verbose", default=True,
help="make lots of noise [default]")
help="be quiet")
(options, args) = parser.parse_args()
if not options.source_file:
- print "no file name given\n", usage
- sys.exit(1)
+ import os.path
+ if len(args) == 1:
+ options.source_file = args[0]
+ else:
+ print ("no file name given\n" + usage)
+ sys.exit(1)
return options, args
if __name__ == '__main__':
samplerate = options.samplerate
source_file = options.source_file
- from aubio import onset, source, sink
+ from aubio import onset, tempo, source, sink
s = source(source_file, samplerate, hopsize)
if samplerate == 0: samplerate = s.get_samplerate()
- o = onset(options.onset_method, bufsize, hopsize)
+ if options.beat:
+ o = tempo(options.onset_method, bufsize, hopsize)
+ else:
+ o = onset(options.onset_method, bufsize, hopsize)
+ if options.minioi:
+ if options.minioi.endswith('ms'):
+ o.set_minioi_ms(int(options.minioi[:-2]))
+ elif options.minioi.endswith('s'):
+ o.set_minioi_s(int(options.minioi[:-1]))
+ else:
+ o.set_minioi(int(options.minioi))
o.set_threshold(options.threshold)
- slice_number = 0
- #if options.cut:
- this_slice = sink('/tmp/t-%02d.wav' % slice_number, samplerate)
-
timestamps = []
- block_read = 0
+ total_frames = 0
+ # analyze pass
while True:
samples, read = s()
- #ring_buffer = hstack([ring_buffer, samples])
- is_onset = o(samples)
- if is_onset:
- this_onset = (block_read - 4. + is_onset[0]) * hopsize
- if options.verbose:
- print "%.4f" % ( this_onset / samplerate )
- timestamps.append (this_onset)
- del this_slice
- slice_number += 1
- this_slice = sink('/tmp/t-%02d.wav' % slice_number, samplerate)
- this_slice(samples, read)
- block_read += 1
+ if o(samples):
+ timestamps.append (o.get_last())
+ if options.verbose: print ("%.4f" % o.get_last_s())
+ total_frames += read
if read < hopsize: break
-
+ del s
# print some info
- duration = float ( block_read * hopsize + read ) / samplerate
nstamps = len(timestamps)
+ duration = float (total_frames) / float(samplerate)
info = 'found %(nstamps)d timestamps in %(source_file)s' % locals()
- info += ' (read %(duration).2fs at %(samplerate)dHz)\n' % locals()
+ info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % locals()
sys.stderr.write(info)
+
+ # cutting pass
+ if options.cut and nstamps > 0:
+ # generate output files
+ from aubio.slicing import slice_source_at_stamps
+ timestamps_end = None
+ if options.cut_every_nslices:
+ timestamps = timestamps[::options.cut_every_nslices]
+ nstamps = len(timestamps)
+ if options.cut_until_nslices and options.cut_until_nsamples:
+ print ("warning: using cut_until_nslices, but cut_until_nsamples is set")
+ if options.cut_until_nsamples:
+ timestamps_end = [t + options.cut_until_nsamples for t in timestamps[1:]]
+ timestamps_end += [ 1e120 ]
+ if options.cut_until_nslices:
+ timestamps_end = [t for t in timestamps[1 + options.cut_until_nslices:]]
+ timestamps_end += [ 1e120 ] * (options.cut_until_nslices + 1)
+ slice_source_at_stamps(source_file, timestamps, timestamps_end = timestamps_end,
+ output_dir = options.output_directory,
+ samplerate = samplerate)
+
+ # print some info
+ duration = float (total_frames) / float(samplerate)
+ info = 'created %(nstamps)d slices from %(source_file)s' % locals()
+ info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % locals()
+ sys.stderr.write(info)
projects / aubio.git / blobdiff