def stop(self):
"""
结束识别并关闭与服务端的连接
:return: 关闭成功，返回0
关闭失败，返回-1
"""
ret = 0
if self._status == Status.STATUS_STARTED:
self._status = Status.STATUS_STOPPING
msg_id = six.u(uuid.uuid1().hex)
self._header[
Constant.
HEADER_KEY_NAME] = Constant.HEADER_VALUE_TRANS_NAME_STOP
self._header[Constant.HEADER_KEY_MESSAGE_ID] = msg_id
self._payload.clear()
text = self.serialize()
_log.info('sending stop cmd: ' + text)
self._ws.send(text)
for i in range(100):
if self._status == Status.STATUS_STOPPED:
break
else:
time.sleep(0.1)
_log.debug('waite 100ms')
if self._status != Status.STATUS_STOPPED:
ret = -1
else:
ret = 0
else:
_log.error('should not stop in state %d', self._status)
ret = -1
return ret
def _on_open(ws):
_log.debug('websocket connected')
self._status = Status.STATUS_WS_CONNECTED
self._is_connected = True
msg_id = six.u(uuid.uuid1().hex)
self._task_id = six.u(uuid.uuid1().hex)
self._header[Constant.HEADER_KEY_NAME] = Constant.HEADER_VALUE_TRANS_NAME_START
self._header[Constant.HEADER_KEY_MESSAGE_ID] = msg_id
self._header[Constant.HEADER_KEY_TASK_ID] = self._task_id
text = self.serialize()
_log.info('sending start cmd: ' + text)
ws.send(text)
def send(self, audio_data):
"""
发送语音数据到服务端，建议每次发送 1000 ~ 8000 字节
:param audio_data: 二进制音频数据
:return: 发送成功，返回0
发送失败，返回-1
"""
if self._status == Status.STATUS_STARTED:
self._ws.send(audio_data, opcode=websocket.ABNF.OPCODE_BINARY)
return 0
elif self._status == Status.STATUS_COMPLETED_WITH_OUT_STOP:
_log.info(
'the recognizer finished with VAD, no need to send data anymore!'
)
return -1
else:
_log.error('should not send data in state %d', self._status)
return -1