def run(self):
"""
Recorder main loop
"""
CONTENT_TYPE = 'audio/mpeg3'
result = ""
retry = 1
# Thread loop
while not self._stopevent.isSet():
# Wait record order
if self.running_state == False:
sleep(.1)
continue
# Activate capture, wait for 2s of silence before cancelling
wit_e = None
self.record_time_start = 0
self.record_time_end = time.time() + 2
self.capture_buffers.clear()
result = ""
print '\n [Recording]' + ' ' * 20 + '[Recording]'
# Send captured voice to wit
try:
result = self.wit.post_speech(data = self._read_audio_buffer(), content_type=CONTENT_TYPE)
except Exception as e:
wit_e = e
# If record was stopped during recording
if self.running_state == True:
# If Wit did not succeeded
if len(result) == 0 or result.has_key('outcome') == False or result['outcome'].has_key('confidence') == False or result['outcome']['confidence'] < self.wit_confidence:
if wit_e is not None:
log.err("Wit exception : " + str(e))
# If retry is available and vader detected an utterance
if self.record_time_start != 0 and retry > 0:
Speaker.speak('please_repeat')
# Decrement retries
retry = retry - 1
continue
# No more retry
Speaker.speak('not_understood')
# Send recognized intent to the server
else:
self.lisa_client.sendMessage(message=result['msg_body'], type='chat', dict=result['outcome'])
# Reset running state
self.running_state = False
retry = 1
# Reconnect pocketsphinx to pipeline
print ""
print "> Ready Recognize Voice"
self.asr_tee.link(self.asr)
self.asr_tee.unlink(self.asr_sink)
def _asr_result(self, asr, text, uttid):
"""
Result from pocketsphinx : checking keyword recognition
"""
# Check keyword detection
if text.lower() == self.botname and self.recorder.get_running_state() == False:
# Get scrore from decoder
dec_text, dec_uttid, dec_score = self.ps.get_hyp()
# Detection must have a minimal score to be valid
if dec_score < self.keyword_score:
log.msg("I recognized the %s keyword but I think it's a false positive according the %s score" % (self.botname, dec_score))
return
# Logs
self.scores.append(dec_score)
log.msg("======================")
log.msg("%s keyword detected" % self.botname)
log.msg("score: {} (min {}, moy {}, max {})".format(dec_score, min(self.scores), sum(self.scores) / len(self.scores), max(self.scores)))
# Start voice recording
Speaker.speak('yes')
# Start recorder
self.recorder.set_running_state(True)
def run(self):
"""
Listener main loop
"""
Speaker.speak("ready")
self.pipeline.set_state(gst.STATE_PLAYING)
# Thread loop
self.loop = gobject.MainLoop()
self.loop.run()
def stop(self):
"""
Stop listener.
"""
Speaker.speak('lost_server')
# Stop everything
self.pipeline.set_state(gst.STATE_NULL)
self.recorder.stop()
if self.loop is not None:
self.loop.quit()