source: python/demos/demo_sink.py @ a33d406

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since a33d406 was eadc00b, checked in by Paul Brossier <piem@piem.org>, 12 years ago

demos/demo_sink.py: indent

  • Property mode set to 100755
File size: 896 bytes
Line 
1#! /usr/bin/env python
2
3import sys
4from aubio import source, sink
5
6if __name__ == '__main__':
7    if len(sys.argv) < 3:
8        print 'usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0]
9        sys.exit(1)
10
11    if len(sys.argv) > 3: samplerate = int(sys.argv[3])
12    else: samplerate = 0
13    if len(sys.argv) > 4: hop_size = int(sys.argv[4])
14    else: hop_size = 256
15
16    f = source(sys.argv[1], samplerate, hop_size)
17    if samplerate == 0: samplerate = f.samplerate
18    g = sink(sys.argv[2], samplerate)
19
20    total_frames, read = 0, hop_size
21    while read:
22        vec, read = f()
23        g(vec, read)
24        total_frames += read
25    print "wrote", "%.2fs" % (total_frames / float(samplerate) ),
26    print "(", total_frames, "frames", "in",
27    print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
28    print "from", f.uri,
29    print "to", g.uri
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