shithub: aubio

Download patch

ref: 8e2f36a607e19683241bdd45894905346c9f9dea
parent: 1f00b698e39f0985bc575284d9e614d3e8bcedbc
author: Paul Brossier <piem@piem.org>
date: Thu Mar 23 10:56:50 EDT 2017

setup.py: move cut and cmd inside aubio module, use entry_points to generate scripts

diff: cannot open a/python/scripts//null: file does not exist: 'a/python/scripts//null'
--- /dev/null
+++ b/python/lib/aubio/cmd.py
@@ -1,0 +1,370 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""aubio command line tool
+
+This file was written by Paul Brossier <piem@aubio.org> and is released under
+the GNU/GPL v3.
+
+Note: this script is mostly about parsing command line arguments. For more
+readable code examples, check out the `python/demos` folder."""
+
+import sys
+import argparse
+import aubio
+
+def aubio_parser():
+    epilog = 'use "%(prog)s <command> --help" for more info about each command'
+    parser = argparse.ArgumentParser(epilog=epilog)
+    parser.add_argument('-V', '--version', help="show version",
+            action="store_true", dest="show_version")
+
+    subparsers = parser.add_subparsers(dest='command',
+            description="", metavar="<command>")
+
+    # onset subcommand
+    subparser = subparsers.add_parser('onset',
+            help='get onset times',
+            formatter_class = argparse.ArgumentDefaultsHelpFormatter)
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser)
+    helpstr = "onset novelty function"
+    helpstr += " <default|energy|hfc|complex|phase|specdiff|kl|mkl|specflux>"
+    parser_add_method(subparser, helpstr=helpstr)
+    parser_add_threshold(subparser)
+    parser_add_silence(subparser)
+    parser_add_minioi(subparser)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_onset)
+
+    # pitch subcommand
+    subparser = subparsers.add_parser('pitch',
+            help='extract fundamental frequency')
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser, buf_size=2048)
+    helpstr = "pitch detection method <default|yinfft|yin|mcomb|fcomb|schmitt>"
+    parser_add_method(subparser, helpstr=helpstr)
+    parser_add_threshold(subparser)
+    parser_add_silence(subparser)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_pitch)
+
+    # tempo subcommand
+    subparser = subparsers.add_parser('beat',
+            help='get locations of beats')
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser, buf_size=1024, hop_size=512)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_tempo)
+
+    # notes subcommand
+    subparser = subparsers.add_parser('notes',
+            help='get midi-like notes')
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_notes)
+
+    # mfcc subcommand
+    subparser = subparsers.add_parser('mfcc',
+            help='extract mel-frequency cepstrum coefficients')
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_mfcc)
+
+    # melbands subcommand
+    subparser = subparsers.add_parser('melbands',
+            help='extract mel-frequency energies per band')
+    parser_add_input(subparser)
+    parser_add_buf_hop_size(subparser)
+    parser_add_time_format(subparser)
+    parser_add_verbose_help(subparser)
+    subparser.set_defaults(process=process_melbands)
+
+    return parser
+
+def parser_add_input(parser):
+    parser.add_argument("source_uri", default=None, nargs='?',
+            help="input sound file to analyse", metavar = "<source_uri>")
+    parser.add_argument("-i", "--input", dest = "source_uri2",
+            help="input sound file to analyse", metavar = "<source_uri>")
+    parser.add_argument("-r", "--samplerate",
+            metavar = "<freq>", type=int,
+            action="store", dest="samplerate", default=0,
+            help="samplerate at which the file should be represented")
+
+def parser_add_verbose_help(parser):
+    parser.add_argument("-v","--verbose",
+            action="count", dest="verbose", default=1,
+            help="make lots of noise [default]")
+    parser.add_argument("-q","--quiet",
+            action="store_const", dest="verbose", const=0,
+            help="be quiet")
+
+def parser_add_buf_hop_size(parser, buf_size=512, hop_size=256):
+    parser.add_argument("-B","--bufsize",
+            action="store", dest="buf_size", default=buf_size,
+            metavar = "<size>", type=int,
+            help="buffer size [default=%d]" % buf_size)
+    parser.add_argument("-H","--hopsize",
+            metavar = "<size>", type=int,
+            action="store", dest="hop_size", default=hop_size,
+            help="overlap size [default=%d]" % hop_size)
+
+def parser_add_method(parser, method='default', helpstr='method'):
+    parser.add_argument("-m","--method",
+            metavar = "<method>", type=str,
+            action="store", dest="method", default=method,
+            help="%s [default=%s]" % (helpstr, method))
+
+def parser_add_threshold(parser, default=None):
+    parser.add_argument("-t","--threshold",
+            metavar = "<threshold>", type=float,
+            action="store", dest="threshold", default=default,
+            help="threshold [default=%s]" % default)
+
+def parser_add_silence(parser):
+    parser.add_argument("-s", "--silence",
+            metavar = "<value>", type=float,
+            action="store", dest="silence", default=-70,
+            help="silence threshold")
+
+def parser_add_minioi(parser):
+    parser.add_argument("-M", "--minioi",
+            metavar = "<value>", type=str,
+            action="store", dest="minioi", default="12ms",
+            help="minimum Inter-Onset Interval")
+
+def parser_add_time_format(parser):
+    helpstr = "select time values output format (samples, ms, seconds)"
+    helpstr += " [default=seconds]"
+    parser.add_argument("-T", "--time-format",
+             metavar='format',
+             dest="time_format",
+             default=None,
+             help=helpstr)
+
+# some utilities
+
+def parse_options(args, valid_opts):
+    options = {k :v for k,v in vars(args).items() if k in valid_opts}
+    return options
+
+def remap_pvoc_options(options):
+    # remap buf_size to win_s, hop_size to hop_s
+    # FIXME: adjust python/ext/py-phasevoc.c to understand buf_size/hop_size
+    options['win_s'] = options['buf_size']
+    del options['buf_size']
+    options['hop_s'] = options['hop_size']
+    del options['hop_size']
+    return options
+
+def samples2seconds(n_frames, samplerate):
+    return "%f\t" % (n_frames / float(a_source.samplerate))
+
+def samples2milliseconds(n_frames, samplerate):
+    return "%f\t" % (1000. * n_frames / float(a_source.samplerate))
+
+def samples2samples(n_frames, samplerate):
+    return "%d\t" % n_frames
+
+def timefunc(mode):
+    if mode is None or mode == 'seconds' or mode == 's':
+        return samples2seconds
+    elif mode == 'ms' or mode == 'milliseconds':
+        return samples2milliseconds
+    elif mode == 'samples':
+        return samples2samples
+    else:
+        raise ValueError('invalid time format %s' % mode)
+
+# definition of processing classes
+
+class default_process(object):
+    def __init__(self, args):
+        if 'time_format' in args:
+            self.time2string = timefunc(args.time_format)
+        if args.verbose > 2 and hasattr(self, 'options'):
+            name = type(self).__name__.split('_')[1]
+            optstr = ' '.join(['running', name, 'with options', repr(self.options), '\n'])
+            sys.stderr.write(optstr)
+
+class process_onset(default_process):
+    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
+    def __init__(self, args):
+        self.options = parse_options(args, self.valid_opts)
+        self.onset = aubio.onset(**self.options)
+        if args.threshold is not None:
+            self.onset.set_threshold(args.threshold)
+        if args.minioi:
+            if args.minioi.endswith('ms'):
+                self.onset.set_minioi_ms(float(args.minioi[:-2]))
+            elif args.minioi.endswith('s'):
+                self.onset.set_minioi_s(float(args.minioi[:-1]))
+            else:
+                self.onset.set_minioi(int(args.minioi))
+        if args.silence:
+            self.onset.set_silence(args.silence)
+        super(process_onset, self).__init__(args)
+    def __call__(self, block):
+        return self.onset(block)
+    def repr_res(self, res, frames_read, a_source):
+        if res[0] != 0:
+            outstr = self.time2string(self.onset.get_last(), a_source.samplerate)
+            sys.stdout.write(outstr + '\n')
+
+class process_pitch(default_process):
+    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
+    def __init__(self, args):
+        self.options = parse_options(args, self.valid_opts)
+        self.pitch = aubio.pitch(**self.options)
+        if args.threshold is not None:
+            self.pitch.set_tolerance(args.threshold)
+        if args.silence is not None:
+            self.pitch.set_silence(args.silence)
+        super(process_pitch, self).__init__(args)
+    def __call__(self, block):
+        return self.pitch(block)
+    def repr_res(self, res, frames_read, a_source):
+        fmt_out = self.time2string(frames_read, a_source.samplerate)
+        sys.stdout.write(fmt_out + "%.6f\n" % res[0])
+
+class process_tempo(default_process):
+    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
+    def __init__(self, args):
+        self.options = parse_options(args, self.valid_opts)
+        self.tempo = aubio.tempo(**self.options)
+        super(process_tempo, self).__init__(args)
+    def __call__(self, block):
+        return self.tempo(block)
+    def repr_res(self, res, frames_read, a_source):
+        if res[0] != 0:
+            outstr = self.time2string(self.tempo.get_last(), a_source.samplerate)
+            sys.stdout.write(outstr + '\n')
+
+class process_notes(default_process):
+    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
+    def __init__(self, args):
+        self.options = parse_options(args, self.valid_opts)
+        self.notes = aubio.notes(**self.options)
+        super(process_notes, self).__init__(args)
+    def __call__(self, block):
+        return self.notes(block)
+    def repr_res(self, res, frames_read, a_source):
+        if res[2] != 0: # note off
+            fmt_out = self.time2string(frames_read, a_source.samplerate)
+            sys.stdout.write(fmt_out + '\n')
+        if res[0] != 0: # note on
+            lastmidi = res[0]
+            fmt_out = "%f\t" % lastmidi
+            fmt_out += self.time2string(frames_read, a_source.samplerate)
+            sys.stdout.write(fmt_out) # + '\t')
+
+class process_mfcc(default_process):
+    def __init__(self, args):
+        valid_opts = ['hop_size', 'buf_size']
+        options = parse_options(args, valid_opts)
+        self.options = remap_pvoc_options(options)
+        self.pv = aubio.pvoc(**options)
+
+        valid_opts = ['buf_size', 'n_filters', 'n_coeffs', 'samplerate']
+        options = parse_options(args, valid_opts)
+        self.mfcc = aubio.mfcc(**options)
+        self.options.update(options)
+
+        super(process_mfcc, self).__init__(args)
+
+    def __call__(self, block):
+        fftgrain = self.pv(block)
+        return self.mfcc(fftgrain)
+    def repr_res(self, res, frames_read, a_source):
+        fmt_out = self.time2string(frames_read, a_source.samplerate)
+        fmt_out += ' '.join(["% 9.7f" % f for f in res.tolist()])
+        sys.stdout.write(fmt_out + '\n')
+
+class process_melbands(default_process):
+    def __init__(self, args):
+        self.args = args
+        valid_opts = ['hop_size', 'buf_size']
+        options = parse_options(args, valid_opts)
+        options = remap_pvoc_options(options)
+        self.pv = aubio.pvoc(**options)
+
+        valid_opts = ['buf_size', 'n_filters']
+        options = {k :v for k,v in vars(args).items() if k in valid_opts}
+        # FIXME
+        options['win_s'] = options['buf_size']
+        del options['buf_size']
+        self.filterbank = aubio.filterbank(**options)
+        self.filterbank.set_mel_coeffs_slaney(args.samplerate)
+
+        super(process_melbands, self).__init__(args)
+    def __call__(self, block):
+        fftgrain = self.pv(block)
+        return self.filterbank(fftgrain)
+    def repr_res(self, res, frames_read, a_source):
+        fmt_out = self.time2string(frames_read, a_source.samplerate)
+        fmt_out += ' '.join(["% 9.7f" % f for f in res.tolist()])
+        sys.stdout.write(fmt_out + '\n')
+
+def main():
+    parser = aubio_parser()
+    args = parser.parse_args()
+    if args.show_version or ('verbose' in args and args.verbose > 3):
+        sys.stdout.write('aubio version ' + aubio.version + '\n')
+    if args.show_version and args.command is None:
+        sys.exit(0)
+    if args.command is None:
+        sys.stderr.write("Error: a command is required\n")
+        parser.print_help()
+        sys.exit(1)
+    elif not args.source_uri and not args.source_uri2:
+        sys.stderr.write("Error: a source is required\n")
+        parser.print_help()
+        sys.exit(1)
+    elif args.source_uri2 is not None:
+        args.source_uri = args.source_uri2
+    try:
+        # open source_uri
+        with aubio.source(args.source_uri, hop_size=args.hop_size,
+                samplerate=args.samplerate) as a_source:
+            args.samplerate = a_source.samplerate
+            # create the processor for this subcommand
+            processor = args.process(args)
+            frames_read = 0
+            while True:
+                # read new block from source
+                block, read = a_source()
+                # execute processor on this block
+                res = processor(block)
+                # print results for this block
+                if args.verbose > 0:
+                    processor.repr_res(res, frames_read, a_source)
+                # increment total number of frames read
+                frames_read += read
+                # exit loop at end of file
+                if read < a_source.hop_size: break
+            # special case for notes
+            if args.command == 'notes':
+                eof = processor.time2string(frames_read, a_source.samplerate)
+                sys.stdout.write(eof + '\n')
+                sys.stdout.flush()
+            if args.verbose > 1:
+                fmt_string = "read {:.2f}s"
+                fmt_string += " ({:d} samples in {:d} blocks of {:d})"
+                fmt_string += " from {:s} at {:d}Hz\n"
+                sys.stderr.write(fmt_string.format(
+                        frames_read/float(a_source.samplerate),
+                        frames_read,
+                        frames_read // a_source.hop_size + 1,
+                        a_source.hop_size,
+                        a_source.uri,
+                        a_source.samplerate))
+    except KeyboardInterrupt as e:
+        sys.exit(1)
--- /dev/null
+++ b/python/lib/aubio/cut.py
@@ -1,0 +1,211 @@
+#! /usr/bin/env python
+
+""" this file was written by Paul Brossier
+  it is released under the GNU/GPL license.
+"""
+
+import sys
+
+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",
+            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")
+    parser.add_option("-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",
+            action="store", dest="threshold", default=0.3,
+            help="onset peak picking threshold [default=0.3]")
+    parser.add_option("-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]")
+
+    """
+    parser.add_option("-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",
+            metavar = "<value>",
+            action="store", dest="dcthreshold", default=1.,
+            help="onset peak picking DC component [default=1.]")
+    parser.add_option("-L","--localmin",
+            action="store_true", dest="localmin", default=False,
+            help="use local minima after peak detection")
+    parser.add_option("-d","--derivate",
+            action="store_true", dest="derivate", default=False,
+            help="derivate onset detection function")
+    parser.add_option("-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",
+            action="store_true", dest="plot", default=False,
+            help="draw plot")
+    parser.add_option("-x","--xsize",
+            metavar = "<size>",
+            action="store", dest="xsize", default=1.,
+            type='float', help="define xsize for plot")
+    parser.add_option("-y","--ysize",
+            metavar = "<size>",
+            action="store", dest="ysize", default=1.,
+            type='float', help="define ysize for plot")
+    parser.add_option("-f","--function",
+            action="store_true", dest="func", default=False,
+            help="print detection function")
+    parser.add_option("-n","--no-onsets",
+            action="store_true", dest="nplot", default=False,
+            help="do not plot detected onsets")
+    parser.add_option("-O","--outplot",
+            metavar = "<output_image>",
+            action="store", dest="outplot", default=None,
+            help="save plot to output.{ps,png}")
+    parser.add_option("-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_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:
+        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
+
+def main():
+    options, args = parse_args()
+
+    hopsize = options.hopsize
+    bufsize = options.bufsize
+    samplerate = options.samplerate
+    source_file = options.source_file
+
+    from aubio import onset, tempo, source, sink
+
+    s = source(source_file, samplerate, hopsize)
+    if samplerate == 0: samplerate = s.get_samplerate()
+
+    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)
+
+    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())
+        total_frames += read
+        if read < hopsize: break
+    del s
+    # 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)
+
+    # 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)
--- a/python/scripts/aubio
+++ /dev/null
@@ -1,370 +1,0 @@
-#! /usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""aubio command line tool
-
-This file was written by Paul Brossier <piem@aubio.org> and is released under
-the GNU/GPL v3.
-
-Note: this script is mostly about parsing command line arguments. For more
-readable code examples, check out the `python/demos` folder."""
-
-import sys
-import argparse
-import aubio
-
-def aubio_parser():
-    epilog = 'use "%(prog)s <command> --help" for more info about each command'
-    parser = argparse.ArgumentParser(epilog=epilog)
-    parser.add_argument('-V', '--version', help="show version",
-            action="store_true", dest="show_version")
-
-    subparsers = parser.add_subparsers(dest='command',
-            description="", metavar="<command>")
-
-    # onset subcommand
-    subparser = subparsers.add_parser('onset',
-            help='get onset times',
-            formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser)
-    helpstr = "onset novelty function"
-    helpstr += " <default|energy|hfc|complex|phase|specdiff|kl|mkl|specflux>"
-    parser_add_method(subparser, helpstr=helpstr)
-    parser_add_threshold(subparser)
-    parser_add_silence(subparser)
-    parser_add_minioi(subparser)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_onset)
-
-    # pitch subcommand
-    subparser = subparsers.add_parser('pitch',
-            help='extract fundamental frequency')
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser, buf_size=2048)
-    helpstr = "pitch detection method <default|yinfft|yin|mcomb|fcomb|schmitt>"
-    parser_add_method(subparser, helpstr=helpstr)
-    parser_add_threshold(subparser)
-    parser_add_silence(subparser)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_pitch)
-
-    # tempo subcommand
-    subparser = subparsers.add_parser('beat',
-            help='get locations of beats')
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser, buf_size=1024, hop_size=512)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_tempo)
-
-    # notes subcommand
-    subparser = subparsers.add_parser('notes',
-            help='get midi-like notes')
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_notes)
-
-    # mfcc subcommand
-    subparser = subparsers.add_parser('mfcc',
-            help='extract mel-frequency cepstrum coefficients')
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_mfcc)
-
-    # melbands subcommand
-    subparser = subparsers.add_parser('melbands',
-            help='extract mel-frequency energies per band')
-    parser_add_input(subparser)
-    parser_add_buf_hop_size(subparser)
-    parser_add_time_format(subparser)
-    parser_add_verbose_help(subparser)
-    subparser.set_defaults(process=process_melbands)
-
-    return parser
-
-def parser_add_input(parser):
-    parser.add_argument("source_uri", default=None, nargs='?',
-            help="input sound file to analyse", metavar = "<source_uri>")
-    parser.add_argument("-i", "--input", dest = "source_uri2",
-            help="input sound file to analyse", metavar = "<source_uri>")
-    parser.add_argument("-r", "--samplerate",
-            metavar = "<freq>", type=int,
-            action="store", dest="samplerate", default=0,
-            help="samplerate at which the file should be represented")
-
-def parser_add_verbose_help(parser):
-    parser.add_argument("-v","--verbose",
-            action="count", dest="verbose", default=1,
-            help="make lots of noise [default]")
-    parser.add_argument("-q","--quiet",
-            action="store_const", dest="verbose", const=0,
-            help="be quiet")
-
-def parser_add_buf_hop_size(parser, buf_size=512, hop_size=256):
-    parser.add_argument("-B","--bufsize",
-            action="store", dest="buf_size", default=buf_size,
-            metavar = "<size>", type=int,
-            help="buffer size [default=%d]" % buf_size)
-    parser.add_argument("-H","--hopsize",
-            metavar = "<size>", type=int,
-            action="store", dest="hop_size", default=hop_size,
-            help="overlap size [default=%d]" % hop_size)
-
-def parser_add_method(parser, method='default', helpstr='method'):
-    parser.add_argument("-m","--method",
-            metavar = "<method>", type=str,
-            action="store", dest="method", default=method,
-            help="%s [default=%s]" % (helpstr, method))
-
-def parser_add_threshold(parser, default=None):
-    parser.add_argument("-t","--threshold",
-            metavar = "<threshold>", type=float,
-            action="store", dest="threshold", default=default,
-            help="threshold [default=%s]" % default)
-
-def parser_add_silence(parser):
-    parser.add_argument("-s", "--silence",
-            metavar = "<value>", type=float,
-            action="store", dest="silence", default=-70,
-            help="silence threshold")
-
-def parser_add_minioi(parser):
-    parser.add_argument("-M", "--minioi",
-            metavar = "<value>", type=str,
-            action="store", dest="minioi", default="12ms",
-            help="minimum Inter-Onset Interval")
-
-def parser_add_time_format(parser):
-    helpstr = "select time values output format (samples, ms, seconds)"
-    helpstr += " [default=seconds]"
-    parser.add_argument("-T", "--time-format",
-             metavar='format',
-             dest="time_format",
-             default=None,
-             help=helpstr)
-
-# some utilities
-
-def parse_options(args, valid_opts):
-    options = {k :v for k,v in vars(args).items() if k in valid_opts}
-    return options
-
-def remap_pvoc_options(options):
-    # remap buf_size to win_s, hop_size to hop_s
-    # FIXME: adjust python/ext/py-phasevoc.c to understand buf_size/hop_size
-    options['win_s'] = options['buf_size']
-    del options['buf_size']
-    options['hop_s'] = options['hop_size']
-    del options['hop_size']
-    return options
-
-def samples2seconds(n_frames, samplerate):
-    return "%f\t" % (n_frames / float(a_source.samplerate))
-
-def samples2milliseconds(n_frames, samplerate):
-    return "%f\t" % (1000. * n_frames / float(a_source.samplerate))
-
-def samples2samples(n_frames, samplerate):
-    return "%d\t" % n_frames
-
-def timefunc(mode):
-    if mode is None or mode == 'seconds' or mode == 's':
-        return samples2seconds
-    elif mode == 'ms' or mode == 'milliseconds':
-        return samples2milliseconds
-    elif mode == 'samples':
-        return samples2samples
-    else:
-        raise ValueError('invalid time format %s' % mode)
-
-# definition of processing classes
-
-class default_process(object):
-    def __init__(self, args):
-        if 'time_format' in args:
-            self.time2string = timefunc(args.time_format)
-        if args.verbose > 2 and hasattr(self, 'options'):
-            name = type(self).__name__.split('_')[1]
-            optstr = ' '.join(['running', name, 'with options', repr(self.options), '\n'])
-            sys.stderr.write(optstr)
-
-class process_onset(default_process):
-    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
-    def __init__(self, args):
-        self.options = parse_options(args, self.valid_opts)
-        self.onset = aubio.onset(**self.options)
-        if args.threshold is not None:
-            self.onset.set_threshold(args.threshold)
-        if args.minioi:
-            if args.minioi.endswith('ms'):
-                self.onset.set_minioi_ms(float(args.minioi[:-2]))
-            elif args.minioi.endswith('s'):
-                self.onset.set_minioi_s(float(args.minioi[:-1]))
-            else:
-                self.onset.set_minioi(int(args.minioi))
-        if args.silence:
-            self.onset.set_silence(args.silence)
-        super(process_onset, self).__init__(args)
-    def __call__(self, block):
-        return self.onset(block)
-    def repr_res(self, res, frames_read, a_source):
-        if res[0] != 0:
-            outstr = self.time2string(self.onset.get_last(), a_source.samplerate)
-            sys.stdout.write(outstr + '\n')
-
-class process_pitch(default_process):
-    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
-    def __init__(self, args):
-        self.options = parse_options(args, self.valid_opts)
-        self.pitch = aubio.pitch(**self.options)
-        if args.threshold is not None:
-            self.pitch.set_tolerance(args.threshold)
-        if args.silence is not None:
-            self.pitch.set_silence(args.silence)
-        super(process_pitch, self).__init__(args)
-    def __call__(self, block):
-        return self.pitch(block)
-    def repr_res(self, res, frames_read, a_source):
-        fmt_out = self.time2string(frames_read, a_source.samplerate)
-        sys.stdout.write(fmt_out + "%.6f\n" % res[0])
-
-class process_tempo(default_process):
-    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
-    def __init__(self, args):
-        self.options = parse_options(args, self.valid_opts)
-        self.tempo = aubio.tempo(**self.options)
-        super(process_tempo, self).__init__(args)
-    def __call__(self, block):
-        return self.tempo(block)
-    def repr_res(self, res, frames_read, a_source):
-        if res[0] != 0:
-            outstr = self.time2string(self.tempo.get_last(), a_source.samplerate)
-            sys.stdout.write(outstr + '\n')
-
-class process_notes(default_process):
-    valid_opts = ['method', 'hop_size', 'buf_size', 'samplerate']
-    def __init__(self, args):
-        self.options = parse_options(args, self.valid_opts)
-        self.notes = aubio.notes(**self.options)
-        super(process_notes, self).__init__(args)
-    def __call__(self, block):
-        return self.notes(block)
-    def repr_res(self, res, frames_read, a_source):
-        if res[2] != 0: # note off
-            fmt_out = self.time2string(frames_read, a_source.samplerate)
-            sys.stdout.write(fmt_out + '\n')
-        if res[0] != 0: # note on
-            lastmidi = res[0]
-            fmt_out = "%f\t" % lastmidi
-            fmt_out += self.time2string(frames_read, a_source.samplerate)
-            sys.stdout.write(fmt_out) # + '\t')
-
-class process_mfcc(default_process):
-    def __init__(self, args):
-        valid_opts = ['hop_size', 'buf_size']
-        options = parse_options(args, valid_opts)
-        self.options = remap_pvoc_options(options)
-        self.pv = aubio.pvoc(**options)
-
-        valid_opts = ['buf_size', 'n_filters', 'n_coeffs', 'samplerate']
-        options = parse_options(args, valid_opts)
-        self.mfcc = aubio.mfcc(**options)
-        self.options.update(options)
-
-        super(process_mfcc, self).__init__(args)
-
-    def __call__(self, block):
-        fftgrain = self.pv(block)
-        return self.mfcc(fftgrain)
-    def repr_res(self, res, frames_read, a_source):
-        fmt_out = self.time2string(frames_read, a_source.samplerate)
-        fmt_out += ' '.join(["% 9.7f" % f for f in res.tolist()])
-        sys.stdout.write(fmt_out + '\n')
-
-class process_melbands(default_process):
-    def __init__(self, args):
-        self.args = args
-        valid_opts = ['hop_size', 'buf_size']
-        options = parse_options(args, valid_opts)
-        options = remap_pvoc_options(options)
-        self.pv = aubio.pvoc(**options)
-
-        valid_opts = ['buf_size', 'n_filters']
-        options = {k :v for k,v in vars(args).items() if k in valid_opts}
-        # FIXME
-        options['win_s'] = options['buf_size']
-        del options['buf_size']
-        self.filterbank = aubio.filterbank(**options)
-        self.filterbank.set_mel_coeffs_slaney(args.samplerate)
-
-        super(process_melbands, self).__init__(args)
-    def __call__(self, block):
-        fftgrain = self.pv(block)
-        return self.filterbank(fftgrain)
-    def repr_res(self, res, frames_read, a_source):
-        fmt_out = self.time2string(frames_read, a_source.samplerate)
-        fmt_out += ' '.join(["% 9.7f" % f for f in res.tolist()])
-        sys.stdout.write(fmt_out + '\n')
-
-if __name__ == '__main__':
-    parser = aubio_parser()
-    args = parser.parse_args()
-    if args.show_version or ('verbose' in args and args.verbose > 3):
-        sys.stdout.write('aubio version ' + aubio.version + '\n')
-    if args.show_version and args.command is None:
-        sys.exit(0)
-    if args.command is None:
-        sys.stderr.write("Error: a command is required\n")
-        parser.print_help()
-        sys.exit(1)
-    elif not args.source_uri and not args.source_uri2:
-        sys.stderr.write("Error: a source is required\n")
-        parser.print_help()
-        sys.exit(1)
-    elif args.source_uri2 is not None:
-        args.source_uri = args.source_uri2
-    try:
-        # open source_uri
-        with aubio.source(args.source_uri, hop_size=args.hop_size,
-                samplerate=args.samplerate) as a_source:
-            args.samplerate = a_source.samplerate
-            # create the processor for this subcommand
-            processor = args.process(args)
-            frames_read = 0
-            while True:
-                # read new block from source
-                block, read = a_source()
-                # execute processor on this block
-                res = processor(block)
-                # print results for this block
-                if args.verbose > 0:
-                    processor.repr_res(res, frames_read, a_source)
-                # increment total number of frames read
-                frames_read += read
-                # exit loop at end of file
-                if read < a_source.hop_size: break
-            # special case for notes
-            if args.command == 'notes':
-                eof = processor.time2string(frames_read, a_source.samplerate)
-                sys.stdout.write(eof + '\n')
-                sys.stdout.flush()
-            if args.verbose > 1:
-                fmt_string = "read {:.2f}s"
-                fmt_string += " ({:d} samples in {:d} blocks of {:d})"
-                fmt_string += " from {:s} at {:d}Hz\n"
-                sys.stderr.write(fmt_string.format(
-                        frames_read/float(a_source.samplerate),
-                        frames_read,
-                        frames_read // a_source.hop_size + 1,
-                        a_source.hop_size,
-                        a_source.uri,
-                        a_source.samplerate))
-    except KeyboardInterrupt as e:
-        sys.exit(1)
--- a/python/scripts/aubiocut
+++ /dev/null
@@ -1,211 +1,0 @@
-#! /usr/bin/env python
-
-""" this file was written by Paul Brossier
-  it is released under the GNU/GPL license.
-"""
-
-import sys
-
-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",
-            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")
-    parser.add_option("-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",
-            action="store", dest="threshold", default=0.3,
-            help="onset peak picking threshold [default=0.3]")
-    parser.add_option("-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]")
-
-    """
-    parser.add_option("-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",
-            metavar = "<value>",
-            action="store", dest="dcthreshold", default=1.,
-            help="onset peak picking DC component [default=1.]")
-    parser.add_option("-L","--localmin",
-            action="store_true", dest="localmin", default=False,
-            help="use local minima after peak detection")
-    parser.add_option("-d","--derivate",
-            action="store_true", dest="derivate", default=False,
-            help="derivate onset detection function")
-    parser.add_option("-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",
-            action="store_true", dest="plot", default=False,
-            help="draw plot")
-    parser.add_option("-x","--xsize",
-            metavar = "<size>",
-            action="store", dest="xsize", default=1.,
-            type='float', help="define xsize for plot")
-    parser.add_option("-y","--ysize",
-            metavar = "<size>",
-            action="store", dest="ysize", default=1.,
-            type='float', help="define ysize for plot")
-    parser.add_option("-f","--function",
-            action="store_true", dest="func", default=False,
-            help="print detection function")
-    parser.add_option("-n","--no-onsets",
-            action="store_true", dest="nplot", default=False,
-            help="do not plot detected onsets")
-    parser.add_option("-O","--outplot",
-            metavar = "<output_image>",
-            action="store", dest="outplot", default=None,
-            help="save plot to output.{ps,png}")
-    parser.add_option("-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_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:
-        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__':
-    options, args = parse_args()
-
-    hopsize = options.hopsize
-    bufsize = options.bufsize
-    samplerate = options.samplerate
-    source_file = options.source_file
-
-    from aubio import onset, tempo, source, sink
-
-    s = source(source_file, samplerate, hopsize)
-    if samplerate == 0: samplerate = s.get_samplerate()
-
-    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)
-
-    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())
-        total_frames += read
-        if read < hopsize: break
-    del s
-    # 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)
-
-    # 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)
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,6 @@
     version = __version__,
     packages = ['aubio'],
     package_dir = {'aubio':'python/lib/aubio'},
-    scripts = ['python/scripts/aubiocut', 'python/scripts/aubio'],
     ext_modules = [aubio_extension],
     description = 'a collection of tools for music analysis',
     long_description = 'a collection of tools for music analysis',
@@ -75,6 +74,12 @@
         'clean': CleanGenerated,
         'build_ext': build_ext,
         },
+    entry_points = {
+        'console_scripts': [
+            'aubio = aubio.cmd:main',
+            'aubiocut = aubio.cut:main',
+        ],
+    },
     test_suite = 'nose2.collector.collector',
     extras_require = {
         'tests': ['numpy'],