def stopAudio(self):
if audiodev is not None and audiodev.is_open():
try:
audiodev.close()
self._record.close()
except:
logger.exception('failed to close audio device')
def stopAudio(self):
if audiodev is not None and audiodev.is_open():
try:
audiodev.close()
self._record.close()
except:
logger.exception('failed to close audio device')
def startAudio(self):
logger.debug('starting audio device')
try:
self._ts = 0
if not audiodev.is_open():
audiodev.open(self._inout, output='default', output_channels=1, input='default', input_channels=1, format='l16',
sample_rate=44100, frame_duration=20)
except:
logger.exception('failed to start audio device')
def startAudio(self):
logger.debug('starting audio device')
try:
self._ts = 0
self._record = open('record.au', 'wb')
if audiodev is not None and not audiodev.is_open():
audiodev.open(self._inout, output='default', output_channels=1, input='default', input_channels=1, format='l16',
sample_rate=self.sample_rate, frame_duration=20)
except:
logger.exception('failed to start audio device')
def startAudio(self):
logger.debug('starting audio device')
try:
self._ts = 0
self._record = open('record.au', 'wb')
if audiodev is not None and not audiodev.is_open():
audiodev.open(self._inout, output='default', output_channels=1, input='default', input_channels=1, format='l16',
sample_rate=self.sample_rate, frame_duration=20)
except:
logger.exception('failed to start audio device')
def startAudio(self):
logger.debug("starting audio device")
try:
self._ts = 0
if not audiodev.is_open():
audiodev.open(
self._inout,
output="default",
output_channels=1,
input="default",
input_channels=1,
format="l16",
sample_rate=44100,
frame_duration=20,
)
except:
logger.exception("failed to start audio device")
def stopAudio(self):
if audiodev.is_open():
try:
audiodev.close()
except:
logger.exception('failed to close audio device')
def audio_proc(queue_mic,
queue_spk,
samplerate=48000,
audio_in=True,
audio_out=True):
def inout(linear, stream_time, userdata):
try:
if audio_in:
linear, userdata[2] = audiospeex.resample(
linear,
input_rate=samplerate,
output_rate=16000,
state=userdata[2])
payload, userdata[3] = audiospeex.lin2speex(linear,
sample_rate=16000,
state=userdata[3])
payload = '\xb2' + payload
userdata[4] += 20 # millisec
header = Header(time=userdata[4],
size=len(payload),
type=Message.AUDIO,
streamId=0)
msg = Message(header, payload)
queue_mic.put(msg)
except:
logger.exception('audio inout exception: resample, encode')
try:
# ignore mic input (linear) for now
if audio_out:
msg = queue_spk.get(block=False)
first, payload = msg.data[0], msg.data[1:]
if first == '\xb2': # speex
linear, userdata[0] = audiospeex.speex2lin(
payload, sample_rate=16000, state=userdata[0])
linear, userdata[1] = audiospeex.resample(
linear,
input_rate=16000,
output_rate=samplerate,
state=userdata[1])
return linear
except Empty:
pass
except:
logger.exception('audio inout exception: decode, resample')
return ''
if audio_in or audio_out:
logger.info(
'opening audio device with samplerate=%r, audio_in=%r, audio_out=%r',
samplerate, audio_in, audio_out)
audiodev.open(inout,
output='default',
output_channels=1,
input='default',
input_channels=1,
format='l16',
sample_rate=samplerate,
frame_duration=20,
userdata=[None, None, None, None, 0])
try:
while True:
time.sleep(10)
finally:
if audiodev.is_open():
logger.info('closing audio device')
audiodev.close()