diff options
Diffstat (limited to 'gr-vocoder/python/qa_cvsd_vocoder.py')
-rwxr-xr-x | gr-vocoder/python/qa_cvsd_vocoder.py | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/gr-vocoder/python/qa_cvsd_vocoder.py b/gr-vocoder/python/qa_cvsd_vocoder.py new file mode 100755 index 000000000..53045e4a9 --- /dev/null +++ b/gr-vocoder/python/qa_cvsd_vocoder.py @@ -0,0 +1,123 @@ +#!/usr/bin/env python +# +# Copyright 2007,2010,2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr, gr_unittest +from vocoder_swig import * +from cvsd import * + +class test_cvsd_vocoder (gr_unittest.TestCase): + + def setUp (self): + self.tb = gr.top_block() + + def tearDown (self): + self.tb = None + + def test001_module_load (self): + raw_enc = cvsd_encode_sb(); + raw_dec = cvsd_decode_bs(); + hb_enc = cvsd_encode_fb(); + hb_dec = cvsd_decode_bf(); + + + """ Disable for now + def test01(self): + sample_rate = 8000 + scale_factor = 32000 + + expected_data = (6.9670547250243192e-21, -2.4088578356895596e-05, + -5.1261918997624889e-05, 7.2410854045301676e-05, + 8.444241393590346e-05, -1.2537107068055775e-05, + 0.00024186755763366818, -0.00060463894624263048, + 0.00064864184241741896, 0.010409165173768997, + 0.0087582804262638092, 0.017965050414204597, + 0.010722399689257145, 0.006602009292691946, + 0.02213001623749733, 0.0079685859382152557, + 0.033707316964864731, 0.027021972462534904, + 0.0086071854457259178, 0.0081678871065378189, + 0.039343506097793579, 0.030671956017613411, + 0.029626710340380669, 0.020126519724726677, + 0.023636780679225922, 0.0064640454947948456, + -0.0038861562497913837, 0.0021134600974619389, + -0.0088051930069923401, -0.00023228264763019979, + -0.033737499266862869, -0.033141419291496277, + -0.037145044654607773, -0.0080892946571111679, + -0.077117636799812317, -0.078382067382335663, + -0.055503919720649719, -0.019355267286300659, + -0.022441385313868523, -0.073706060647964478, + -0.054677654057741165, -0.047119375318288803, + -0.044418536126613617, -0.036084383726119995, + -0.0206278245896101, -0.031200021505355835, + -0.0004070434661116451, 0.0006594572332687676, + -0.016584658995270729, 0.07387717068195343, + -0.0063191778026521206, 0.051200628280639648, + -0.029480356723070145, 0.05176771804690361, + 0.038578659296035767, 0.026550088077783585, + 0.067103870213031769, 0.001888439292088151, + 0.28141644597053528, 0.49543789029121399, + 0.6626054048538208, 0.79180729389190674, + 0.89210402965545654, 0.96999943256378174, + 1.0261462926864624, 1.0267977714538574, + 1.0251555442810059, 1.0265737771987915, + 1.0278496742248535, 1.0208886861801147, + 1.0325057506561279, 0.91415292024612427, + 0.83941859006881714, 0.67373806238174438, + 0.51683622598648071, 0.38949671387672424, + 0.16016888618469238, 0.049505095928907394, + -0.16699212789535522, -0.26886492967605591, + -0.49256673455238342, -0.59178370237350464, + -0.73317724466323853, -0.78922677040100098, + -0.88782668113708496, -0.96708977222442627, + -0.96490746736526489, -0.94962418079376221, + -0.94716215133666992, -0.93755108118057251, + -0.84852480888366699, -0.80485564470291138, + -0.69762390851974487, -0.58398681879043579, + -0.45891636610031128, -0.29681697487831116, + -0.16035343706607819, 0.014823081903159618, + 0.16282452642917633, 0.33802291750907898) + + src = gr.sig_source_f(sample_rate, gr.GR_SIN_WAVE, 200, 1, 0) + head = gr.head(gr.sizeof_float, 100) + src_scale = gr.multiply_const_ff(scale_factor) + + interp = blks2.rational_resampler_fff(8, 1) + f2s = gr.float_to_short () + + enc = cvsd_vocoder.encode_sb() + dec = cvsd_vocoder.decode_bs() + + s2f = gr.short_to_float () + decim = blks2.rational_resampler_fff(1, 8) + + sink_scale = gr.multiply_const_ff(1.0/scale_factor) + sink = gr.vector_sink_f() + + self.tb.connect(src, src_scale, interp, f2s, enc) + self.tb.connect(enc, dec, s2f, decim, sink_scale, head, sink) + self.tb.run() + print sink.data() + + self.assertFloatTuplesAlmostEqual (expected_data, sink.data(), 5) + """ + +if __name__ == '__main__': + gr_unittest.run(test_cvsd_vocoder, "test_cvsd_vocoder.xml") |