"""
import sys
+from aubio.cmd import AubioArgumentParser, _cut_slice
-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("-O","--onset-method",
+def aubio_cut_parser():
+ parser = AubioArgumentParser()
+ parser.add_input()
+ parser.add_argument("-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",
+ parser.add_argument("-b", "--beat",
action="store_true", dest="beat", default=False,
- help="use beat locations")
+ help="slice at beat locations")
"""
- parser.add_option("-S","--silencecut",
+ parser.add_argument("-S", "--silencecut",
action="store_true", dest="silencecut", default=False,
help="use silence locations")
- parser.add_option("-s","--silence",
+ parser.add_argument("-s", "--silence",
metavar = "<value>",
action="store", dest="silence", default=-70,
help="silence threshold [default=-70]")
"""
# algorithm parameters
- 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>", type='int',
- help="buffer size [default=512]")
- parser.add_option("-H","--hopsize",
- metavar = "<size>", type='int',
- action="store", dest="hopsize", default=256,
- help="overlap size [default=256]")
- parser.add_option("-t","--onset-threshold",
- metavar = "<value>", type="float",
+ parser.add_buf_hop_size()
+ parser.add_argument("-t", "--threshold", "--onset-threshold",
+ metavar = "<threshold>", type=float,
action="store", dest="threshold", default=0.3,
help="onset peak picking threshold [default=0.3]")
- parser.add_option("-c","--cut",
+ parser.add_argument("-c", "--cut",
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]")
+ help="cut input sound file at detected labels")
+ parser.add_minioi()
"""
- parser.add_option("-D","--delay",
- action = "store", dest = "delay", type = "float",
+ parser.add_argument("-D", "--delay",
+ action = "store", dest = "delay", type = float,
metavar = "<seconds>", default=0,
help="number of seconds to take back [default=system]\
default system delay is 3*hopsize/samplerate")
- parser.add_option("-C","--dcthreshold",
+ parser.add_argument("-C", "--dcthreshold",
metavar = "<value>",
action="store", dest="dcthreshold", default=1.,
help="onset peak picking DC component [default=1.]")
- parser.add_option("-L","--localmin",
+ parser.add_argument("-L", "--localmin",
action="store_true", dest="localmin", default=False,
help="use local minima after peak detection")
- parser.add_option("-d","--derivate",
+ parser.add_argument("-d", "--derivate",
action="store_true", dest="derivate", default=False,
help="derivate onset detection function")
- parser.add_option("-z","--zerocross",
+ parser.add_argument("-z", "--zerocross",
metavar = "<value>",
action="store", dest="zerothres", default=0.008,
help="zero-crossing threshold for slicing [default=0.00008]")
- """
# plotting functions
- """
- parser.add_option("-p","--plot",
+ parser.add_argument("-p", "--plot",
action="store_true", dest="plot", default=False,
help="draw plot")
- parser.add_option("-x","--xsize",
+ parser.add_argument("-x", "--xsize",
metavar = "<size>",
action="store", dest="xsize", default=1.,
- type='float', help="define xsize for plot")
- parser.add_option("-y","--ysize",
+ type=float, help="define xsize for plot")
+ parser.add_argument("-y", "--ysize",
metavar = "<size>",
action="store", dest="ysize", default=1.,
- type='float', help="define ysize for plot")
- parser.add_option("-f","--function",
+ type=float, help="define ysize for plot")
+ parser.add_argument("-f", "--function",
action="store_true", dest="func", default=False,
help="print detection function")
- parser.add_option("-n","--no-onsets",
+ parser.add_argument("-n", "--no-onsets",
action="store_true", dest="nplot", default=False,
help="do not plot detected onsets")
- parser.add_option("-O","--outplot",
+ parser.add_argument("-O", "--outplot",
metavar = "<output_image>",
action="store", dest="outplot", default=None,
help="save plot to output.{ps,png}")
- parser.add_option("-F","--spectrogram",
+ parser.add_argument("-F", "--spectrogram",
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_slicer_options()
+ parser.add_verbose_help()
+ return parser
- parser.add_option("-v","--verbose",
- action="store_true", dest="verbose", default=True,
- help="make lots of noise [default]")
- parser.add_option("-q","--quiet",
- action="store_false", dest="verbose", default=True,
- help="be quiet")
- (options, args) = parser.parse_args()
- if not options.source_file:
- if len(args) == 1:
- options.source_file = args[0]
- else:
- print ("no file name given\n" + usage)
- sys.exit(1)
- return options, args
-def main():
- options, args = parse_args()
-
- hopsize = options.hopsize
- bufsize = options.bufsize
+def _cut_analyze(options):
+ hopsize = options.hop_size
+ bufsize = options.buf_size
samplerate = options.samplerate
- source_file = options.source_file
+ source_uri = options.source_uri
+ # analyze pass
from aubio import onset, tempo, source
- s = source(source_file, samplerate, hopsize)
- if samplerate == 0: samplerate = s.get_samplerate()
+ s = source(source_uri, samplerate, hopsize)
+ if samplerate == 0:
+ samplerate = s.samplerate
+ options.samplerate = samplerate
if options.beat:
- o = tempo(options.onset_method, bufsize, hopsize)
+ o = tempo(options.onset_method, bufsize, hopsize,
+ samplerate=samplerate)
else:
- o = onset(options.onset_method, bufsize, hopsize)
+ o = onset(options.onset_method, bufsize, hopsize,
+ samplerate=samplerate)
if options.minioi:
if options.minioi.endswith('ms'):
o.set_minioi_ms(int(options.minioi[:-2]))
timestamps = []
total_frames = 0
- # analyze pass
while True:
samples, read = s()
if o(samples):
- timestamps.append (o.get_last())
- if options.verbose: print ("%.4f" % o.get_last_s())
+ timestamps.append(o.get_last())
+ if options.verbose:
+ print("%.4f" % o.get_last_s())
total_frames += read
- if read < hopsize: break
+ if read < hopsize:
+ break
del s
+ return timestamps, total_frames
+
+def main():
+ parser = aubio_cut_parser()
+ options = parser.parse_args()
+ if not options.source_uri and not options.source_uri2:
+ sys.stderr.write("Error: no file name given\n")
+ parser.print_help()
+ sys.exit(1)
+ elif options.source_uri2 is not None:
+ options.source_uri = options.source_uri2
+
+ # analysis
+ timestamps, total_frames = _cut_analyze(options)
+
# print some info
- nstamps = len(timestamps)
- duration = float (total_frames) / float(samplerate)
- info = 'found %(nstamps)d timestamps in %(source_file)s' % locals()
- info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % locals()
- sys.stderr.write(info)
+ duration = float(total_frames) / float(options.samplerate)
+ base_info = '%(source_uri)s' % {'source_uri': options.source_uri}
+ base_info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % \
+ {'duration': duration, 'samplerate': options.samplerate}
- # 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)
+ info = "found %d timestamps in " % len(timestamps)
+ info += base_info
+ sys.stderr.write(info)
- # 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()
+ if options.cut:
+ _cut_slice(options, timestamps)
+ info = "created %d slices from " % len(timestamps)
+ info += base_info
sys.stderr.write(info)
projects / aubio.git / blobdiff