| | |
|---|
| | | global websocket_users |
|---|
| | | websocket_users.add(websocket) |
|---|
| | | websocket.param_dict_asr_online = {"cache": dict()} |
|---|
| | | |
|---|
| | | print("new user connected",flush=True) |
|---|
| | | try: |
|---|
| | | async for message in websocket: |
|---|
| | | message = json.loads(message) |
|---|
| | | is_finished = message["is_finished"] |
|---|
| | | if not is_finished: |
|---|
| | | audio = bytes(message['audio'], 'ISO-8859-1') |
|---|
| | | |
|---|
| | | is_speaking = message["is_speaking"] |
|---|
| | | websocket.param_dict_asr_online["is_final"] = not is_speaking |
|---|
| | | websocket.wav_name = message.get("wav_name", "demo") |
|---|
| | | websocket.param_dict_asr_online["chunk_size"] = message["chunk_size"] |
|---|
| | | |
|---|
| | | frames_asr_online.append(audio) |
|---|
| | | if len(frames_asr_online) % message["chunk_interval"] == 0 or not is_speaking: |
|---|
| | | |
|---|
| | | |
|---|
| | | if isinstance(message,str): |
|---|
| | | messagejson = json.loads(message) |
|---|
| | | |
|---|
| | | if "is_speaking" in messagejson: |
|---|
| | | websocket.is_speaking = messagejson["is_speaking"] |
|---|
| | | websocket.param_dict_asr_online["is_final"] = not websocket.is_speaking |
|---|
| | | if "is_finished" in messagejson: |
|---|
| | | websocket.is_speaking = False |
|---|
| | | websocket.param_dict_asr_online["is_final"] = True |
|---|
| | | if "chunk_interval" in messagejson: |
|---|
| | | websocket.chunk_interval=messagejson["chunk_interval"] |
|---|
| | | if "wav_name" in messagejson: |
|---|
| | | websocket.wav_name = messagejson.get("wav_name", "demo") |
|---|
| | | if "chunk_size" in messagejson: |
|---|
| | | websocket.param_dict_asr_online["chunk_size"] = messagejson["chunk_size"] |
|---|
| | | # if has bytes in buffer or message is bytes |
|---|
| | | if len(frames_asr_online)>0 or not isinstance(message,str): |
|---|
| | | if not isinstance(message,str): |
|---|
| | | frames_asr_online.append(message) |
|---|
| | | if len(frames_asr_online) % websocket.chunk_interval == 0 or not websocket.is_speaking: |
|---|
| | | audio_in = b"".join(frames_asr_online) |
|---|
| | | if not websocket.is_speaking: |
|---|
| | | #padding 0.5s at end gurantee that asr engine can fire out last word |
|---|
| | | audio_in=audio_in+b''.join(np.zeros(int(16000*0.5),dtype=np.int16)) |
|---|
| | | await async_asr_online(websocket,audio_in) |
|---|
| | | frames_asr_online = [] |
|---|
| | | |
|---|
| | | |
|---|
| | | |
|---|
| | | except websockets.ConnectionClosed: |
|---|
| | |
|---|
| | | print("InvalidState...") |
|---|
| | | except Exception as e: |
|---|
| | | print("Exception:", e) |
|---|
| | | |
|---|
| | | |
|---|
| | | async def async_asr_online(websocket,audio_in): |
|---|
| | | if len(audio_in) > 0: |
|---|
