add kws example

jm12138 · Sep 2, 2023 · fbdf614 · fbdf614
1 parent fe8dd26
commit fbdf614
Showing 1 changed file with 58 additions and 9 deletions.
diff --git a/README.md b/README.md
@@ -14,17 +14,66 @@ A third-party Python SDK for a iFLYTEK MSC. Using for ASR, TSS, KWS.
     import msc
     ```
 
-* Login MSC SDK
+* Voice Wakeup (KWS)
 
     ```python
-    # Set the APP ID
-    app_id = '' 
-
-    # Login MSC SDK
-    msc.MSPLogin(
-        usr=None,
-        pwd=None,
-        params="appid={}".format(app_id)
+    import msc
+    import pyaudio
+    from ctypes import string_at, c_void_p
+    from threading import Event
+
+    # Audio Stream
+    p = pyaudio.PyAudio()
+    input_stream = p.open(
+        format=pyaudio.paInt16,
+        channels=1,
+        rate=16000,
+        input=True,
+        frames_per_buffer=2048
+    )
+
+    # Set APP ID
+    appid = '' 
+
+    # Set MSC Client
+    client = msc.MSC(params=f"appid={appid}")
+
+    # Stop Event
+    stop_event = Event()
+
+    # KSW Callback Function
+    def message_callback(
+            sessionID: bytes,
+            msg: int,
+            param1: int,
+            param2: int,
+            info: c_void_p,
+            userData: c_void_p
+    ):
+        # Print Result
+        print('sessionID: ', sessionID.decode('UTF-8'))
+        print('msg: ', msg)
+        print('param1: ', param1)
+        print('param2: ', param2)
+        print('info: ', string_at(info, param2).decode('UTF-8'))
+        print('userData: ', userData)
+
+        # Stop
+        stop_event.set()
+
+        return 0
+
+    # Set IVW Res Path
+    ivw_res_path = ''
+
+    # Start KWS
+    client.kws(
+        params=f'ivw_res_path=fo|{ivw_res_path}',
+        message_callback=message_callback,
+        stream=input_stream,
+        chunk_size=2048,
+        user_data=None,
+        stop_event=stop_event
     )
     ```