ref: c19f9e573b86231d4f8bdaa7cd6b6d2b0cf7c8aa
dir: /python/demos/demo_sink.py/
#! /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)
total_frames, read = 0, hop_size
while read:
vec, read = f()
g(vec, read)
total_frames += read
print "wrote", "%.2fs" % (total_frames / float(samplerate) ),
print "(", total_frames, "frames", "in",
print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
print "from", f.uri,
print "to", g.uri