From c2d1a9560017d8ae6d775751732552924f2a4a02 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期五, 31 三月 2023 17:18:44 +0800
Subject: [PATCH] export
---
funasr/runtime/python/websocket/README.md | 7 +
funasr/runtime/python/websocket/ASR_server_2pass.py | 252 ++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 258 insertions(+), 1 deletions(-)
diff --git a/funasr/runtime/python/websocket/ASR_server_2pass.py b/funasr/runtime/python/websocket/ASR_server_2pass.py
new file mode 100644
index 0000000..55dc2e2
--- /dev/null
+++ b/funasr/runtime/python/websocket/ASR_server_2pass.py
@@ -0,0 +1,252 @@
+import asyncio
+import json
+import websockets
+import time
+from queue import Queue
+import threading
+import argparse
+
+from modelscope.pipelines import pipeline
+from modelscope.utils.constant import Tasks
+from modelscope.utils.logger import get_logger
+import logging
+import tracemalloc
+import numpy as np
+
+tracemalloc.start()
+
+logger = get_logger(log_level=logging.CRITICAL)
+logger.setLevel(logging.CRITICAL)
+
+
+websocket_users = set() #缁存姢瀹㈡埛绔垪琛�
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--host",
+ type=str,
+ default="0.0.0.0",
+ required=False,
+ help="host ip, localhost, 0.0.0.0")
+parser.add_argument("--port",
+ type=int,
+ default=10095,
+ required=False,
+ help="grpc server port")
+parser.add_argument("--asr_model",
+ type=str,
+ default="damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch",
+ help="model from modelscope")
+parser.add_argument("--vad_model",
+ type=str,
+ default="damo/speech_fsmn_vad_zh-cn-16k-common-pytorch",
+ help="model from modelscope")
+
+parser.add_argument("--punc_model",
+ type=str,
+ default="damo/punc_ct-transformer_zh-cn-common-vad_realtime-vocab272727",
+ help="model from modelscope")
+parser.add_argument("--ngpu",
+ type=int,
+ default=1,
+ help="0 for cpu, 1 for gpu")
+
+args = parser.parse_args()
+
+print("model loading")
+
+def load_bytes(input):
+ middle_data = np.frombuffer(input, dtype=np.int16)
+ middle_data = np.asarray(middle_data)
+ if middle_data.dtype.kind not in 'iu':
+ raise TypeError("'middle_data' must be an array of integers")
+ dtype = np.dtype('float32')
+ if dtype.kind != 'f':
+ raise TypeError("'dtype' must be a floating point type")
+
+ i = np.iinfo(middle_data.dtype)
+ abs_max = 2 ** (i.bits - 1)
+ offset = i.min + abs_max
+ array = np.frombuffer((middle_data.astype(dtype) - offset) / abs_max, dtype=np.float32)
+ return array
+
+# vad
+inference_pipeline_vad = pipeline(
+ task=Tasks.voice_activity_detection,
+ model=args.vad_model,
+ model_revision=None,
+ output_dir=None,
+ batch_size=1,
+ mode='online',
+ ngpu=args.ngpu,
+)
+# param_dict_vad = {'in_cache': dict(), "is_final": False}
+
+# asr
+param_dict_asr = {}
+# param_dict["hotword"] = "灏忎簲 灏忎簲鏈�" # 璁剧疆鐑瘝锛岀敤绌烘牸闅斿紑
+inference_pipeline_asr = pipeline(
+ task=Tasks.auto_speech_recognition,
+ model=args.asr_model,
+ param_dict=param_dict_asr,
+ ngpu=args.ngpu,
+)
+if args.punc_model != "":
+ # param_dict_punc = {'cache': list()}
+ inference_pipeline_punc = pipeline(
+ task=Tasks.punctuation,
+ model=args.punc_model,
+ model_revision=None,
+ ngpu=args.ngpu,
+ )
+else:
+ inference_pipeline_punc = None
+
+
+inference_pipeline_asr_online = pipeline(
+ task=Tasks.auto_speech_recognition,
+ model='damo/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online',
+ model_revision='v1.0.2')
+
+
+print("model loaded")
+
+
+
+async def ws_serve(websocket, path):
+ #speek = Queue()
+ frames = [] # 瀛樺偍鎵�鏈夌殑甯ф暟鎹�
+ frames_online = [] # 瀛樺偍鎵�鏈夌殑甯ф暟鎹�
+ buffer = [] # 瀛樺偍缂撳瓨涓殑甯ф暟鎹紙鏈�澶氫袱涓墖娈碉級
+ RECORD_NUM = 0
+ global websocket_users
+ speech_start, speech_end = False, False
+ # 璋冪敤asr鍑芥暟
+ websocket.param_dict_vad = {'in_cache': dict(), "is_final": False}
+ websocket.param_dict_punc = {'cache': list()}
+ websocket.speek = Queue() #websocket 娣诲姞杩涢槦鍒楀璞� 璁゛sr璇诲彇璇煶鏁版嵁鍖�
+ websocket.send_msg = Queue() #websocket 娣诲姞涓槦鍒楀璞� 璁﹚s鍙戦�佹秷鎭埌瀹㈡埛绔�
+ websocket_users.add(websocket)
+ ss = threading.Thread(target=asr, args=(websocket,))
+ ss.start()
+
+ websocket.param_dict_asr_online = {"cache": dict(), "is_final": False}
+ websocket.speek_online = Queue() # websocket 娣诲姞杩涢槦鍒楀璞� 璁゛sr璇诲彇璇煶鏁版嵁鍖�
+ ss_online = threading.Thread(target=asr_online, args=(websocket,))
+ ss_online.start()
+
+ try:
+ async for message in websocket:
+ #voices.put(message)
+ #print("put")
+ #await websocket.send("123")
+ buffer.append(message)
+ if len(buffer) > 2:
+ buffer.pop(0) # 濡傛灉缂撳瓨瓒呰繃涓や釜鐗囨锛屽垯鍒犻櫎鏈�鏃╃殑涓�涓�
+
+ if speech_start:
+ frames.append(message)
+ frames_online.append(message)
+ RECORD_NUM += 1
+ if RECORD_NUM % 6 == 0:
+ audio_in = b"".join(frames_online)
+ websocket.speek_online.put(audio_in)
+ frames_online = []
+
+ speech_start_i, speech_end_i = vad(message, websocket)
+ #print(speech_start_i, speech_end_i)
+ if speech_start_i:
+ RECORD_NUM += 1
+ speech_start = speech_start_i
+ frames = []
+ frames.extend(buffer) # 鎶婁箣鍓�2涓闊虫暟鎹揩鍔犲叆
+ frames_online = []
+ frames_online.append(message)
+ # frames_online.extend(buffer)
+ # RECORD_NUM += 1
+ websocket.param_dict_asr_online["is_final"] = False
+ if speech_end_i or RECORD_NUM > 300:
+ speech_start = False
+ audio_in = b"".join(frames)
+ websocket.speek.put(audio_in)
+ frames = [] # 娓呯┖鎵�鏈夌殑甯ф暟鎹�
+ frames_online = []
+ websocket.param_dict_asr_online["is_final"] = True
+ buffer = [] # 娓呯┖缂撳瓨涓殑甯ф暟鎹紙鏈�澶氫袱涓墖娈碉級
+ RECORD_NUM = 0
+ if not websocket.send_msg.empty():
+ await websocket.send(websocket.send_msg.get())
+ websocket.send_msg.task_done()
+
+
+ except websockets.ConnectionClosed:
+ print("ConnectionClosed...", websocket_users) # 閾炬帴鏂紑
+ websocket_users.remove(websocket)
+ except websockets.InvalidState:
+ print("InvalidState...") # 鏃犳晥鐘舵��
+ except Exception as e:
+ print("Exception:", e)
+
+
+def asr(websocket): # ASR鎺ㄧ悊
+ global inference_pipeline_asr
+ # global param_dict_punc
+ global websocket_users
+ while websocket in websocket_users:
+ if not websocket.speek.empty():
+ audio_in = websocket.speek.get()
+ websocket.speek.task_done()
+ if len(audio_in) > 0:
+ rec_result = inference_pipeline_asr(audio_in=audio_in)
+ if inference_pipeline_punc is not None and 'text' in rec_result:
+ rec_result = inference_pipeline_punc(text_in=rec_result['text'], param_dict=websocket.param_dict_punc)
+ # print(rec_result)
+ if "text" in rec_result:
+ message = json.dumps({"mode": "offline", "text": rec_result["text"]})
+ websocket.send_msg.put(message) # 瀛樺叆鍙戦�侀槦鍒� 鐩存帴璋冪敤send鍙戦�佷笉浜�
+
+ time.sleep(0.1)
+
+
+def asr_online(websocket): # ASR鎺ㄧ悊
+ global inference_pipeline_asr_online
+ # global param_dict_punc
+ global websocket_users
+ while websocket in websocket_users:
+ if not websocket.speek_online.empty():
+ audio_in = websocket.speek_online.get()
+ websocket.speek_online.task_done()
+ if len(audio_in) > 0:
+ # print(len(audio_in))
+ audio_in = load_bytes(audio_in)
+ # print(audio_in.shape)
+ rec_result = inference_pipeline_asr_online(audio_in=audio_in, param_dict=websocket.param_dict_asr_online)
+
+ # print(rec_result)
+ if "text" in rec_result:
+ message = json.dumps({"mode": "online", "text": rec_result["text"]})
+ websocket.send_msg.put(message) # 瀛樺叆鍙戦�侀槦鍒� 鐩存帴璋冪敤send鍙戦�佷笉浜�
+
+ time.sleep(0.1)
+
+def vad(data, websocket): # VAD鎺ㄧ悊
+ global inference_pipeline_vad, param_dict_vad
+ #print(type(data))
+ # print(param_dict_vad)
+ segments_result = inference_pipeline_vad(audio_in=data, param_dict=websocket.param_dict_vad)
+ # print(segments_result)
+ # print(param_dict_vad)
+ speech_start = False
+ speech_end = False
+
+ if len(segments_result) == 0 or len(segments_result["text"]) > 1:
+ return speech_start, speech_end
+ if segments_result["text"][0][0] != -1:
+ speech_start = True
+ if segments_result["text"][0][1] != -1:
+ speech_end = True
+ return speech_start, speech_end
+
+
+start_server = websockets.serve(ws_serve, args.host, args.port, subprotocols=["binary"], ping_interval=None)
+asyncio.get_event_loop().run_until_complete(start_server)
+asyncio.get_event_loop().run_forever()
\ No newline at end of file
diff --git a/funasr/runtime/python/websocket/README.md b/funasr/runtime/python/websocket/README.md
index 353cfa6..d8e7bf1 100644
--- a/funasr/runtime/python/websocket/README.md
+++ b/funasr/runtime/python/websocket/README.md
@@ -25,6 +25,11 @@
```shell
python ASR_server.py --host "0.0.0.0" --port 10095 --asr_model "damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch"
```
+For the paraformer 2pass model
+
+```shell
+python ASR_server_2pass.py --host "0.0.0.0" --port 10095 --asr_model "damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch"
+```
## For the client
@@ -38,7 +43,7 @@
Start client
```shell
-python ASR_client.py --host "127.0.0.1" --port 10095 --chunk_size 300
+python ASR_client.py --host "127.0.0.1" --port 10095 --chunk_size 50
```
## Acknowledge
--
Gitblit v1.9.1