annotate swig/python/test.py @ 243:d13189c1005c

Fix broken xtract_stateful.h
author Jamie Bullock <jamie@jamiebullock.com>
date Thu, 05 Jun 2014 20:31:33 +0100
parents 826eb46b2f91
children
rev   line source
jamie@88 1 #!/usr/bin/python
jamie@88 2
jamie@92 3 try:
jamie@127 4 import libxtract.xtract as xtract
jamie@92 5 except ImportError:
jamie@103 6 print 'Failed to load the library "xtract"'
jamie@92 7
jamie@92 8 print '\nRunning libxtract Python bindings test...\n'
jamie@88 9
jamie@103 10 len = 8
jamie@88 11
jamie@154 12 a = xtract.doubleArray(len)
jamie@92 13 temp = []
jamie@88 14
jamie@88 15 for i in range(0, len):
jamie@88 16 a[i] = 2 * i
jamie@92 17 temp.append(str(a[i]))
jamie@88 18
jamie@110 19 mean = xtract.xtract_mean(a,len,None)[1]
jamie@110 20
jamie@110 21 print 'The mean of ' + ', '.join(temp) + ' is: %.2f' % mean
jamie@110 22
jamie@154 23 argv = xtract.doubleArray(1)
jamie@110 24 argv[0] = mean
jamie@110 25
jamie@110 26 variance = xtract.xtract_variance(a, len, argv)[1]
jamie@110 27
jamie@110 28 print 'The variance is %.2f' % variance
jamie@88 29
jamie@103 30 print 'Computing spectrum...'
jamie@103 31
jamie@154 32 argv = xtract.doubleArray(1)
jamie@103 33 argv[0] = 44100.0 / len # Fake sample rate
jamie@103 34
jamie@103 35 xtract.xtract_init_fft(len, xtract.XTRACT_SPECTRUM);
jamie@103 36
jamie@154 37 result = xtract.doubleArray(len)
jamie@103 38
jamie@103 39 xtract.xtract_spectrum(a,len,argv, result)
jamie@103 40
jamie@103 41
jamie@103 42 for i in range(len):
jamie@103 43 print result[i]
jamie@103 44
jamie@109 45
jamie@109 46 print 'Computing windowed subframes...'
jamie@109 47
jamie@109 48 for i in range(0, len):
jamie@109 49 a[i] = 1.0
jamie@109 50
jamie@109 51 window = xtract.xtract_init_window(len / 2, xtract.XTRACT_HANN)
jamie@109 52 xtract.xtract_features_from_subframes(a, len, xtract.XTRACT_WINDOWED, window, result)
jamie@109 53
jamie@109 54 for i in range(len):
jamie@109 55 print result[i]
jamie@109 56
jamie@92 57 print '\nFinished!\n'