ref: c1ddeb8be6f8c5541e26339aef3998dd44966c0b
dir: /python/tests/test_source.py/
#! /usr/bin/env python
from numpy.testing import TestCase, assert_equal, assert_almost_equal
from aubio import fvec, source
from numpy import array
from utils import list_all_sounds
list_of_sounds = list_all_sounds('sounds')
path = None
class aubio_source_test_case(TestCase):
def setUp(self):
if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'')
def read_from_sink(self, f):
total_frames = 0
while True:
vec, read = f()
total_frames += read
if read < f.hop_size: break
print "read", "%.2fs" % (total_frames / float(f.samplerate) ),
print "(", total_frames, "frames", "in",
print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
print "from", f.uri
def test_samplerate_hopsize(self):
for p in list_of_sounds:
for samplerate, hop_size in zip([0, 44100, 8000, 32000], [ 512, 512, 64, 256]):
f = source(p, samplerate, hop_size)
assert f.samplerate != 0
self.read_from_sink(f)
def test_samplerate_none(self):
for p in list_of_sounds:
f = source(p)
assert f.samplerate != 0
self.read_from_sink(f)
def test_samplerate_0(self):
for p in list_of_sounds:
f = source(p, 0)
assert f.samplerate != 0
self.read_from_sink(f)
def test_wrong_samplerate(self):
for p in list_of_sounds:
try:
f = source(p, -1)
except Exception, e:
print e
else:
self.fail('does not fail with wrong samplerate')
def test_wrong_hop_size(self):
for p in list_of_sounds:
try:
f = source(p, 0, -1)
except Exception, e:
print e
else:
self.fail('does not fail with wrong hop_size %d' % f.hop_size)
def test_zero_hop_size(self):
for p in list_of_sounds:
f = source(p, 0, 0)
assert f.samplerate != 0
assert f.hop_size != 0
self.read_from_sink(f)
if __name__ == '__main__':
from unittest import main
main()