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

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

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

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