4 from numpy.testing import TestCase, assert_equal
5 from aubio import source
6 from utils import list_all_sounds
8 from _tools import parametrize, assert_raises, assert_equal, skipTest
10 list_of_sounds = list_all_sounds('sounds')
11 samplerates = [0, 44100, 8000, 32000]
12 hop_sizes = [512, 1024, 64]
14 default_test_sound = len(list_of_sounds) and list_of_sounds[0] or None
17 for soundfile in list_of_sounds:
18 for hop_size in hop_sizes:
19 for samplerate in samplerates:
20 all_params.append((hop_size, samplerate, soundfile))
22 no_sounds_msg = "no test sounds, add some in 'python/tests/sounds/'!"
26 class Test_aubio_source_test_case(TestCase):
29 if not default_test_sound:
30 skipTest(no_sounds_msg)
32 def test_close_file(self):
33 samplerate = 0 # use native samplerate
35 f = source(default_test_sound, samplerate, hop_size)
38 def test_close_file_twice(self):
39 samplerate = 0 # use native samplerate
41 f = source(default_test_sound, samplerate, hop_size)
45 def test_read_after_close(self):
46 samplerate = 0 # use native samplerate
48 f = source(default_test_sound, samplerate, hop_size)
51 with assert_raises(RuntimeError):
53 with assert_raises(RuntimeError):
54 read, frames = f.do_multi()
57 class Test_aubio_source_read(object):
59 def read_from_source(self, f):
65 assert_equal(samples[read:], 0)
68 result_str = "read {:.2f}s ({:d} frames"
69 result_str += " in {:d} blocks at {:d}Hz) from {:s}"
70 result_params = total_frames / float(f.samplerate), total_frames, \
71 total_frames//f.hop_size, f.samplerate, f.uri
72 print (result_str.format(*result_params))
75 @parametrize('hop_size, samplerate, soundfile', all_params)
76 def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
78 f = source(soundfile, samplerate, hop_size)
79 except RuntimeError as e:
80 err_msg = 'failed opening with hop_s={:d}, samplerate={:d} ({:s})'
81 skipTest(err_msg.format(hop_size, samplerate, str(e)))
82 assert f.samplerate != 0
83 read_frames = self.read_from_source(f)
84 if 'f_' in soundfile and samplerate == 0:
86 f = re.compile(r'.*_\([0:9]*f\)_.*')
87 match_f = re.findall('([0-9]*)f_', soundfile)
89 expected_frames = int(match_f[0])
90 assert_equal(expected_frames, read_frames)
92 @parametrize('p', list_of_sounds)
93 def test_samplerate_none(self, p):
95 assert f.samplerate != 0
96 self.read_from_source(f)
98 @parametrize('p', list_of_sounds)
99 def test_samplerate_0(self, p):
101 assert f.samplerate != 0
102 self.read_from_source(f)
104 @parametrize('p', list_of_sounds)
105 def test_zero_hop_size(self, p):
107 assert f.samplerate != 0
108 assert f.hop_size != 0
109 self.read_from_source(f)
111 @parametrize('p', list_of_sounds)
112 def test_seek_to_half(self, p):
113 from random import randint
115 assert f.samplerate != 0
116 assert f.hop_size != 0
117 a = self.read_from_source(f)
120 b = self.read_from_source(f)
123 @parametrize('p', list_of_sounds)
124 def test_duration(self, p):
127 duration = f.duration
131 if read < f.hop_size: break
132 assert_equal (duration, total_frames)
135 class Test_aubio_source_wrong_params(object):
137 def test_wrong_file(self):
138 with assert_raises(RuntimeError):
139 source('path_to/unexisting file.mp3')
141 @unittest.skipIf(default_test_sound is None, no_sounds_msg)
142 class Test_aubio_source_wrong_params_with_file(TestCase):
144 def test_wrong_samplerate(self):
145 with assert_raises(ValueError):
146 source(default_test_sound, -1)
148 def test_wrong_hop_size(self):
149 with assert_raises(ValueError):
150 source(default_test_sound, 0, -1)
152 def test_wrong_channels(self):
153 with assert_raises(ValueError):
154 source(default_test_sound, 0, 0, -1)
156 def test_wrong_seek(self):
157 f = source(default_test_sound)
158 with assert_raises(ValueError):
161 def test_wrong_seek_too_large(self):
162 f = source(default_test_sound)
164 with assert_raises(ValueError):
165 f.seek(f.duration + f.samplerate * 10)
167 skipTest('seeking after end of stream failed raising ValueError')
169 class Test_aubio_source_readmulti(Test_aubio_source_read):
171 def read_from_source(self, f):
174 samples, read = f.do_multi()
176 if read < f.hop_size:
177 assert_equal(samples[:,read:], 0)
180 result_str = "read {:.2f}s ({:d} frames in {:d} channels"
181 result_str += " and {:d} blocks at {:d}Hz) from {:s}"
182 result_params = total_frames / float(f.samplerate), total_frames, \
183 f.channels, int(total_frames/f.hop_size), \
185 print (result_str.format(*result_params))
188 class Test_aubio_source_with(object):
190 @parametrize('filename', list_of_sounds)
191 def test_read_from_mono(self, filename):
194 with source(filename, 0, hop_size) as input_source:
195 assert_equal(input_source.hop_size, hop_size)
196 #assert_equal(input_source.samplerate, samplerate)
198 for frames in input_source:
199 total_frames += frames.shape[-1]
200 # check we read as many samples as we expected
201 assert_equal(total_frames, input_source.duration)
203 if __name__ == '__main__':
204 from _tools import run_module_suite