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Changeset 1189

Timestamp:

08/04/08 05:03:07 (4 months ago)

Author:

cdavid

Message:

Start working on alsa device abstraction.

Files:

r1188	r1189
58	58	SND_PCM_FORMAT_FLOAT64
59	59	SND_PCM_FORMAT_IEC958_SUBFRAME
	60
	61	ctypedef struct snd_pcm_t
	62
	63	int snd_pcm_open(snd_pcm_t *, char, int, int)
	64	int snd_pcm_close(snd_pcm_t *)
	65
60	66	char* snd_strerror(int error)
61	67
…	…
106	112	free(sptr)
107	113	return cardname
	114
	115	cdef class Device:
	116	cdef snd_pcm_t* pcmhdl
	117	cdef public char* name
	118
	119	def __new__(self, device = "default", stream = SND_PCM_STREAM_PLAYBACK):
	120	self.pcmhdl = NULL
	121
	122	st = snd_pcm_open(&self.pcmhdl, device, stream, 0)
	123	if st < 0:
	124	raise AlsaException("Cannot open device %s: %s" % (device, snd_strerror(st)))
	125
	126	def __init__(self, device = "default", stream = SND_PCM_STREAM_PLAYBACK):
	127	self.name = device
	128
	129	def __dealloc__(self):
	130	if self.pcmhdl:
	131	snd_pcm_close(self.pcmhdl)

r1188	r1189
1	1	from _alsa import card_name, card_indexes, asoundlib_version
	2	from _alsa import Device
2	3
3	4	if __name__ == '__main__':
…	…
5	6	for i in card_indexes():
6	7	print card_name(i)
	8
	9	dev = Device()
	10	print "Device name:", dev.name