feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampleryinfft+
Last change
on this file since 3a004bbc was
4120fbc,
checked in by Paul Brossier <piem@piem.org>, 9 years ago
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python/demos: python3 and double precision compatibility
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-
Property mode set to
100755
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File size:
943 bytes
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1 | #! /usr/bin/env python |
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2 | |
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3 | import sys |
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4 | from aubio import tempo, source |
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5 | |
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6 | win_s = 512 # fft size |
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7 | hop_s = win_s // 2 # hop size |
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8 | |
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9 | if len(sys.argv) < 2: |
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10 | print("Usage: %s <filename> [samplerate]" % sys.argv[0]) |
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11 | sys.exit(1) |
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12 | |
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13 | filename = sys.argv[1] |
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14 | |
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15 | samplerate = 0 |
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16 | if len( sys.argv ) > 2: samplerate = int(sys.argv[2]) |
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17 | |
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18 | s = source(filename, samplerate, hop_s) |
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19 | samplerate = s.samplerate |
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20 | o = tempo("default", win_s, hop_s, samplerate) |
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21 | |
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22 | # tempo detection delay, in samples |
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23 | # default to 4 blocks delay to catch up with |
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24 | delay = 4. * hop_s |
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25 | |
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26 | # list of beats, in samples |
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27 | beats = [] |
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28 | |
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29 | # total number of frames read |
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30 | total_frames = 0 |
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31 | while True: |
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32 | samples, read = s() |
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33 | is_beat = o(samples) |
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34 | if is_beat: |
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35 | this_beat = int(total_frames - delay + is_beat[0] * hop_s) |
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36 | print("%f" % (this_beat / float(samplerate))) |
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37 | beats.append(this_beat) |
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38 | total_frames += read |
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39 | if read < hop_s: break |
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40 | #print len(beats) |
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