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#! /usr/bin/env python
import sys
from aubio import source, sink
if __name__ == '__main__':
if len(sys.argv) < 3:
print('usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0])
sys.exit(1)
if len(sys.argv) > 3: samplerate = int(sys.argv[3])
else: samplerate = 0
if len(sys.argv) > 4: hop_size = int(sys.argv[4])
else: hop_size = 256
f = source(sys.argv[1], samplerate, hop_size)
if samplerate == 0: samplerate = f.samplerate
g = sink(sys.argv[2], samplerate, f.channels)
total_frames, read = 0, hop_size
while read:
vec, read = f.do_multi()
g.do_multi(vec, read)
total_frames += read
outstr = "wrote %.2fs" % (total_frames / float(samplerate))
outstr += " (%d frames in" % total_frames
outstr += " %d blocks" % (total_frames // f.hop_size)
outstr += " of %d channels" % f.channels
outstr += " at %dHz)" % f.samplerate
outstr += " from " + f.uri
outstr += " to " + g.uri
print(outstr)
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