source: python/scripts/aubiocut @ 4c0a1db

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 4c0a1db was 4c0a1db, checked in by Paul Brossier <piem@piem.org>, 6 years ago

python/scripts/aubiocut: add minioi option

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1#! /usr/bin/env python
2
3""" this file was written by Paul Brossier
4  it is released under the GNU/GPL license.
5"""
6
7import sys
8#from aubio.task import *
9
10usage = "usage: %s [options] -i soundfile" % sys.argv[0]
11usage += "\n help: %s -h" % sys.argv[0]
12
13def parse_args():
14    from optparse import OptionParser
15    parser = OptionParser(usage=usage)
16    parser.add_option("-i", "--input", action = "store", dest = "source_file",
17            help="input sound file to analyse", metavar = "<source_file>")
18    parser.add_option("-O","--onset-method",
19            action="store", dest="onset_method", default='default',
20            metavar = "<onset_method>",
21            help="onset detection method [default=default] \
22                    complexdomain|hfc|phase|specdiff|energy|kl|mkl")
23    # cutting methods
24    parser.add_option("-b","--beat",
25            action="store_true", dest="beat", default=False,
26            help="use beat locations")
27    """
28    parser.add_option("-S","--silencecut",
29            action="store_true", dest="silencecut", default=False,
30            help="use silence locations")
31    parser.add_option("-s","--silence",
32            metavar = "<value>",
33            action="store", dest="silence", default=-70,
34            help="silence threshold [default=-70]")
35            """
36    # algorithm parameters
37    parser.add_option("-r", "--samplerate",
38            metavar = "<freq>", type='int',
39            action="store", dest="samplerate", default=0,
40            help="samplerate at which the file should be represented")
41    parser.add_option("-B","--bufsize",
42            action="store", dest="bufsize", default=512,
43            metavar = "<size>", type='int',
44            help="buffer size [default=512]")
45    parser.add_option("-H","--hopsize",
46            metavar = "<size>", type='int',
47            action="store", dest="hopsize", default=256,
48            help="overlap size [default=256]")
49    parser.add_option("-t","--onset-threshold",
50            metavar = "<value>", type="float",
51            action="store", dest="threshold", default=0.3,
52            help="onset peak picking threshold [default=0.3]")
53    parser.add_option("-c","--cut",
54            action="store_true", dest="cut", default=False,
55            help="cut input sound file at detected labels \
56                    best used with option -L")
57
58    # minioi
59    parser.add_option("-M","--minioi",
60            metavar = "<value>", type='string',
61            action="store", dest="minioi", default="12ms",
62            help="minimum inter onset interval [default=12ms]")
63
64    """
65    parser.add_option("-D","--delay",
66            action = "store", dest = "delay", type = "float",
67            metavar = "<seconds>", default=0,
68            help="number of seconds to take back [default=system]\
69                    default system delay is 3*hopsize/samplerate")
70    parser.add_option("-C","--dcthreshold",
71            metavar = "<value>",
72            action="store", dest="dcthreshold", default=1.,
73            help="onset peak picking DC component [default=1.]")
74    parser.add_option("-L","--localmin",
75            action="store_true", dest="localmin", default=False,
76            help="use local minima after peak detection")
77    parser.add_option("-d","--derivate",
78            action="store_true", dest="derivate", default=False,
79            help="derivate onset detection function")
80    parser.add_option("-z","--zerocross",
81            metavar = "<value>",
82            action="store", dest="zerothres", default=0.008,
83            help="zero-crossing threshold for slicing [default=0.00008]")
84            """
85    # plotting functions
86    """
87    parser.add_option("-p","--plot",
88            action="store_true", dest="plot", default=False,
89            help="draw plot")
90    parser.add_option("-x","--xsize",
91            metavar = "<size>",
92            action="store", dest="xsize", default=1.,
93            type='float', help="define xsize for plot")
94    parser.add_option("-y","--ysize",
95            metavar = "<size>",
96            action="store", dest="ysize", default=1.,
97            type='float', help="define ysize for plot")
98    parser.add_option("-f","--function",
99            action="store_true", dest="func", default=False,
100            help="print detection function")
101    parser.add_option("-n","--no-onsets",
102            action="store_true", dest="nplot", default=False,
103            help="do not plot detected onsets")
104    parser.add_option("-O","--outplot",
105            metavar = "<output_image>",
106            action="store", dest="outplot", default=None,
107            help="save plot to output.{ps,png}")
108    parser.add_option("-F","--spectrogram",
109            action="store_true", dest="spectro", default=False,
110            help="add spectrogram to the plot")
111    """
112    parser.add_option("-o","--output", type = str,
113            metavar = "<outputdir>",
114            action="store", dest="output_directory", default=None,
115            help="specify path where slices of the original file should be created")
116    parser.add_option("--cut-until-nsamples", type = int,
117            metavar = "<samples>",
118            action = "store", dest = "cut_until_nsamples", default = None,
119            help="how many extra samples should be added at the end of each slice")
120    parser.add_option("--cut-until-nslices", type = int,
121            metavar = "<slices>",
122            action = "store", dest = "cut_until_nslices", default = None,
123            help="how many extra slices should be added at the end of each slice")
124
125    parser.add_option("-v","--verbose",
126            action="store_true", dest="verbose", default=True,
127            help="make lots of noise [default]")
128    parser.add_option("-q","--quiet",
129            action="store_false", dest="verbose", default=True,
130            help="be quiet")
131    (options, args) = parser.parse_args()
132    if not options.source_file:
133        import os.path
134        if len(args) == 1:
135            options.source_file = args[0]
136        else:
137            print "no file name given\n", usage
138            sys.exit(1)
139    return options, args
140
141if __name__ == '__main__':
142    options, args = parse_args()
143
144    hopsize = options.hopsize
145    bufsize = options.bufsize
146    samplerate = options.samplerate
147    source_file = options.source_file
148
149    from aubio import onset, tempo, source, sink
150
151    s = source(source_file, samplerate, hopsize)
152    if samplerate == 0: samplerate = s.get_samplerate()
153
154    if options.beat:
155        o = tempo(options.onset_method, bufsize, hopsize)
156    else:
157        o = onset(options.onset_method, bufsize, hopsize)
158        if options.minioi:
159            if options.minioi.endswith('ms'):
160                o.set_minioi_ms(int(options.minioi[:-2]))
161            elif options.minioi.endswith('s'):
162                o.set_minioi_s(int(options.minioi[:-1]))
163            else:
164                o.set_minioi(int(options.minioi))
165    o.set_threshold(options.threshold)
166
167    timestamps = []
168    total_frames = 0
169    # analyze pass
170    while True:
171        samples, read = s()
172        if o(samples):
173            timestamps.append (o.get_last())
174            if options.verbose: print "%.4f" % o.get_last_s()
175        total_frames += read
176        if read < hopsize: break
177    del s
178    # print some info
179    nstamps = len(timestamps)
180    duration = float (total_frames) / float(samplerate)
181    info = 'found %(nstamps)d timestamps in %(source_file)s' % locals()
182    info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % locals()
183    sys.stderr.write(info)
184
185    # cutting pass
186    if options.cut and nstamps > 0:
187        # generate output files
188        from aubio.slicing import slice_source_at_stamps
189        timestamps_end = None
190        if options.cut_until_nslices and options.cut_until_nsamples:
191            print "warning: using cut_until_nslices, but cut_until_nsamples is set"
192        if options.cut_until_nsamples:
193            timestamps_end = [t + options.cut_until_nsamples for t in timestamps[1:]]
194            timestamps_end += [ 1e120 ]
195        if options.cut_until_nslices:
196            timestamps_end = [t for t in timestamps[1 + options.cut_until_nslices:]]
197            timestamps_end += [ 1e120 ] * (options.cut_until_nslices + 1)
198        slice_source_at_stamps(source_file, timestamps, timestamps_end = timestamps_end,
199                output_dir = options.output_directory,
200                samplerate = samplerate)
201
202        # print some info
203        duration = float (total_frames) / float(samplerate)
204        info = 'created %(nstamps)d slices from %(source_file)s' % locals()
205        info += ' (total %(duration).2fs at %(samplerate)dHz)\n' % locals()
206        sys.stderr.write(info)
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