source: python/demos/demo_sink.py @ 78a706e

feature/autosinkfeature/cnnfeature/crepefix/ffmpeg5
Last change on this file since 78a706e was 4120fbc, checked in by Paul Brossier <piem@piem.org>, 9 years ago

python/demos: python3 and double precision compatibility

  • Property mode set to 100755
File size: 945 bytes
RevLine 
[7175ed4]1#! /usr/bin/env python
[3ff62e9]2
3import sys
4from aubio import source, sink
5
6if __name__ == '__main__':
[eadc00b]7    if len(sys.argv) < 3:
[4120fbc]8        print('usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0])
[eadc00b]9        sys.exit(1)
[e76eaf1]10
[eadc00b]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
[e76eaf1]15
[eadc00b]16    f = source(sys.argv[1], samplerate, hop_size)
17    if samplerate == 0: samplerate = f.samplerate
18    g = sink(sys.argv[2], samplerate)
[e76eaf1]19
[eadc00b]20    total_frames, read = 0, hop_size
21    while read:
22        vec, read = f()
23        g(vec, read)
24        total_frames += read
[4120fbc]25    outstr = "wrote %.2fs" % (total_frames / float(samplerate))
26    outstr += " (%d frames in" % total_frames
27    outstr += " %d blocks" % (total_frames // f.hop_size)
28    outstr += " at %dHz)" % f.samplerate
29    outstr += " from " + f.uri
30    outstr += " to " + g.uri
31    print(outstr)
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