From 9dad49c3a1f2495384bab4cc3763e4f8a461da00 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期六, 13 五月 2023 00:20:19 +0800
Subject: [PATCH] websocket new version for offline 2pass send bytes

---
 funasr/runtime/python/websocket/ws_server_2pass.py |   71 +++++++++++++++++++----------------
 1 files changed, 39 insertions(+), 32 deletions(-)

diff --git a/funasr/runtime/python/websocket/ws_server_2pass.py b/funasr/runtime/python/websocket/ws_server_2pass.py
index ced67ff..186197a 100644
--- a/funasr/runtime/python/websocket/ws_server_2pass.py
+++ b/funasr/runtime/python/websocket/ws_server_2pass.py
@@ -74,47 +74,54 @@
     websocket.param_dict_punc = {'cache': list()}
     websocket.vad_pre_idx = 0
     speech_start = False
+    websocket.wav_name = "microphone"
+    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')
-                frames.append(audio)
-                duration_ms = len(audio)//32
-                websocket.vad_pre_idx += duration_ms
-
-                is_speaking = message["is_speaking"]
-                websocket.param_dict_vad["is_final"] = not is_speaking
-                websocket.param_dict_asr_online["is_final"] = not is_speaking
-                websocket.param_dict_asr_online["chunk_size"] = message["chunk_size"]
-                websocket.wav_name = message.get("wav_name", "demo")
-                # asr online
-                frames_asr_online.append(audio)
-                if len(frames_asr_online) % message["chunk_interval"] == 0:
-                    audio_in = b"".join(frames_asr_online)
-                    await async_asr_online(websocket, audio_in)
-                    frames_asr_online = []
-                if speech_start:
-                    frames_asr.append(audio)
-                # vad online
-                speech_start_i, speech_end_i = await async_vad(websocket, audio)
-                if speech_start_i:
-                    speech_start = True
-                    beg_bias = (websocket.vad_pre_idx-speech_start_i)//duration_ms
-                    frames_pre = frames[-beg_bias:]
-                    frames_asr = []
-                    frames_asr.extend(frames_pre)
+            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 "chunk_interval" in messagejson:
+                    websocket.chunk_interval = messagejson["chunk_interval"]
+                if "wav_name" in messagejson:
+                    websocket.wav_name = messagejson.get("wav_name")
+                if "chunk_size" in messagejson:
+                    websocket.param_dict_asr_online["chunk_size"] = messagejson["chunk_size"]
+            if len(frames_asr_online) > 0 or len(frames_asr) > 0 or not isinstance(message, str):
+                if not isinstance(message, str):
+                    frames.append(message)
+                    duration_ms = len(message)//32
+                    websocket.vad_pre_idx += duration_ms
+        
+                    # asr online
+                    frames_asr_online.append(message)
+                    if len(frames_asr_online) % websocket.chunk_interval == 0:
+                        audio_in = b"".join(frames_asr_online)
+                        await async_asr_online(websocket, audio_in)
+                        frames_asr_online = []
+                    if speech_start:
+                        frames_asr.append(message)
+                    # vad online
+                    speech_start_i, speech_end_i = await async_vad(websocket, message)
+                    if speech_start_i:
+                        speech_start = True
+                        beg_bias = (websocket.vad_pre_idx-speech_start_i)//duration_ms
+                        frames_pre = frames[-beg_bias:]
+                        frames_asr = []
+                        frames_asr.extend(frames_pre)
                 # asr punc offline
-                if speech_end_i or not is_speaking:
+                if speech_end_i or not websocket.is_speaking:
                     audio_in = b"".join(frames_asr)
                     await async_asr(websocket, audio_in)
                     frames_asr = []
                     speech_start = False
                     frames_asr_online = []
                     websocket.param_dict_asr_online = {"cache": dict()}
-                    if not is_speaking:
+                    if not websocket.is_speaking:
                         websocket.vad_pre_idx = 0
                         frames = []
                         websocket.param_dict_vad = {'in_cache': dict()}
@@ -168,7 +175,7 @@
         audio_in = load_bytes(audio_in)
         rec_result = inference_pipeline_asr_online(audio_in=audio_in,
                                                    param_dict=websocket.param_dict_asr_online)
-        if websocket.param_dict_asr_online["is_final"]:
+        if websocket.param_dict_asr_online.get("is_final", False):
             websocket.param_dict_asr_online["cache"] = dict()
         if "text" in rec_result:
             if rec_result["text"] != "sil" and rec_result["text"] != "waiting_for_more_voice":

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