python/demos/demo_pysoundcard_*: update to pysoundcard 0.5.2 (closes #42)

Paul Brossier committed 10 years ago

Commit 6d8db801 parent 0e39e882 files · +14 −9Browse files

Showing the changes to python (2 of 2 files). Show all

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@@ -10,7 +10,7 @@ def play_source(source_path): · 9 unmodified lines
10	f = source(source_path, hop_size = hop_size)	10	f = source(source_path, hop_size = hop_size)
11	samplerate = f.samplerate	11	samplerate = f.samplerate
12		12
13	s = Stream(sample_rate = samplerate, block_length = hop_size)	13	s = Stream(samplerate = samplerate, blocksize = hop_size)
14	s.start()	14	s.start()
15	read = 0	15	read = 0
16	while 1:	16	while 1:

@@ -8,17 +8,22 @@ def record_sink(sink_path): · 7 unmodified lines
8		8
9	hop_size = 256	9	hop_size = 256
10	duration = 5 # in seconds	10	duration = 5 # in seconds
11	s = Stream(block_length = hop_size)	11	s = Stream(blocksize = hop_size, channels = 1)
12	g = sink(sink_path, samplerate = s.sample_rate)	12	g = sink(sink_path, samplerate = int(s.samplerate))
		13	print s.channels
13		14
14	s.start()	15	s.start()
15	total_frames = 0	16	total_frames = 0
16	while total_frames < duration * s.sample_rate:	17	try:
17	vec = s.read(hop_size)	18	while total_frames < duration * s.samplerate:
18	# mix down to mono	19	vec = s.read(hop_size)
19	mono_vec = vec.sum(-1) / float(s.input_channels)	20	# mix down to mono
20	g(mono_vec, hop_size)	21	mono_vec = vec.sum(-1) / float(s.channels[0])
21	total_frames += hop_size	22	g(mono_vec, hop_size)
		23	total_frames += hop_size
		24	except KeyboardInterrupt, e:
		25	print "stopped after", "%.2f seconds" % (total_frames / s.samplerate)
		26	pass
22	s.stop()	27	s.stop()
23		28
24	if __name__ == '__main__':	29	if __name__ == '__main__':

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