add debug flag

software/source/clients/base_device.py

@@ -91,6 +91,8 @@ class Device:
         self.server_url = ""
         self.ctrl_pressed = False
         self.tts_service = ""
+        self.debug = False
+        self.playback_latency = None
 
     def fetch_image_from_camera(self, camera_index=CAMERA_DEVICE_INDEX):
         """Captures an image from the specified camera device and saves it to a temporary file. Adds the image to the captured_images list."""
@@ -164,6 +166,10 @@ class Device:
         while True:
             try:
                 audio = await self.audiosegments.get()
+                if self.debug and self.playback_latency and isinstance(audio, bytes):
+                    elapsed_time = time.time() - self.playback_latency
+                    print(f"Time from request to playback: {elapsed_time} seconds")
+                    self.playback_latency = None
 
                 if self.tts_service == "elevenlabs":
                     mpv_process.stdin.write(audio)  # type: ignore
@@ -219,6 +225,8 @@ class Device:
         stream.stop_stream()
         stream.close()
         print("Recording stopped.")
+        if self.debug:
+            self.playback_latency = time.time()
 
         duration = wav_file.getnframes() / RATE
         if duration < 0.3:

software/source/clients/linux/device.py

@@ -3,8 +3,9 @@ from ..base_device import Device
 device = Device()
 
 
-def main(server_url):
+def main(server_url, debug):
     device.server_url = server_url
+    device.debug = debug
     device.start()
 
 

software/source/clients/mac/device.py

@@ -3,8 +3,9 @@ from ..base_device import Device
 device = Device()
 
 
-def main(server_url):
+def main(server_url, debug):
     device.server_url = server_url
+    device.debug = debug
     device.start()
 
 

software/source/clients/windows/device.py

@@ -3,8 +3,9 @@ from ..base_device import Device
 device = Device()
 
 
-def main(server_url):
+def main(server_url, debug):
     device.server_url = server_url
+    device.debug = debug
     device.start()
 
 

software/source/server/async_interpreter.py

@@ -21,7 +21,13 @@ import os
 
 
 class AsyncInterpreter:
-    def __init__(self, interpreter):
+    def __init__(self, interpreter, debug):
+        self.stt_latency = None
+        self.tts_latency = None
+        self.interpreter_latency = None
+        self.tffytfp = None
+        self.debug = debug
+
         self.interpreter = interpreter
         self.audio_chunks = []
 
@@ -126,6 +132,8 @@ class AsyncInterpreter:
                     # Experimental: The AI voice sounds better with replacements like these, but it should happen at the TTS layer
                     # content = content.replace(". ", ". ... ").replace(", ", ", ... ").replace("!", "! ... ").replace("?", "? ... ")
                     # print("yielding ", content)
+                    if self.time_from_first_yield_to_first_put is None:
+                        self.time_from_first_yield_to_first_put = time.time()
 
                     yield content
 
@@ -157,6 +165,10 @@ class AsyncInterpreter:
                         )
 
         # Send a completion signal
+        if self.debug:
+            end_interpreter = time.time()
+            self.interpreter_latency = end_interpreter - start_interpreter
+            print("INTERPRETER LATENCY", self.interpreter_latency)
         # self.add_to_output_queue_sync({"role": "server","type": "completion", "content": "DONE"})
 
     async def run(self):
@@ -171,13 +183,20 @@ class AsyncInterpreter:
         while not self._input_queue.empty():
             input_queue.append(self._input_queue.get())
 
-        message = self.stt.text()
+        if self.debug:
+            start_stt = time.time()
+            message = self.stt.text()
+            end_stt = time.time()
+            self.stt_latency = end_stt - start_stt
+            print("STT LATENCY", self.stt_latency)
 
-        if self.audio_chunks:
+            if self.audio_chunks:
-            audio_bytes = bytearray(b"".join(self.audio_chunks))
+                audio_bytes = bytearray(b"".join(self.audio_chunks))
-            wav_file_path = bytes_to_wav(audio_bytes, "audio/raw")
+                wav_file_path = bytes_to_wav(audio_bytes, "audio/raw")
-            print("wav_file_path ", wav_file_path)
+                print("wav_file_path ", wav_file_path)
-            self.audio_chunks = []
+                self.audio_chunks = []
+        else:
+            message = self.stt.text()
 
         print(message)
 
@@ -204,11 +223,22 @@ class AsyncInterpreter:
                         "end": True,
                     }
                 )
+                if self.debug:
+                    end_tts = time.time()
+                    self.tts_latency = end_tts - self.tts.stream_start_time
+                    print("TTS LATENCY", self.tts_latency)
                 self.tts.stop()
+
                 break
 
     async def _on_tts_chunk_async(self, chunk):
         # print("adding chunk to queue")
+        if self.debug and self.tffytfp is not None and self.tffytfp != 0:
+            print(
+                "time from first yield to first put is ",
+                time.time() - self.tffytfp,
+            )
+            self.tffytfp = 0
         await self._add_to_queue(self._output_queue, chunk)
 
     def on_tts_chunk(self, chunk):

software/source/server/async_server.py

@@ -12,7 +12,7 @@ from .profiles.default import interpreter as base_interpreter
 import asyncio
 import traceback
 import json
-from fastapi import FastAPI, WebSocket
+from fastapi import FastAPI, WebSocket, Depends
 from fastapi.responses import PlainTextResponse
 from uvicorn import Config, Server
 from .async_interpreter import AsyncInterpreter
@@ -23,8 +23,6 @@ import os
 os.environ["STT_RUNNER"] = "server"
 os.environ["TTS_RUNNER"] = "server"
 
-# interpreter.tts set in the profiles directory!!!!
-interpreter = AsyncInterpreter(base_interpreter)
 
 app = FastAPI()
 
@@ -37,15 +35,24 @@ app.add_middleware(
 )
 
 
+async def get_debug_flag():
+    return app.state.debug
+
+
 @app.get("/ping")
 async def ping():
     return PlainTextResponse("pong")
 
 
 @app.websocket("/")
-async def websocket_endpoint(websocket: WebSocket):
+async def websocket_endpoint(
+    websocket: WebSocket, debug: bool = Depends(get_debug_flag)
+):
     await websocket.accept()
 
+    # interpreter.tts set in the profiles directory!!!!
+    interpreter = AsyncInterpreter(base_interpreter, debug)
+
     # Send the tts_service value to the client
     await websocket.send_text(
         json.dumps({"type": "config", "tts_service": interpreter.interpreter.tts})
@@ -91,7 +98,9 @@ async def websocket_endpoint(websocket: WebSocket):
             await websocket.close()
 
 
-async def main(server_host, server_port):
+async def main(server_host, server_port, debug):
+    app.state.debug = debug
+
     print(f"Starting server on {server_host}:{server_port}")
     config = Config(app, host=server_host, port=server_port, lifespan="on")
     server = Server(config)

software/start.py

@@ -41,6 +41,11 @@ def run(
     qr: bool = typer.Option(
         False, "--qr", help="Display QR code to scan to connect to the server"
     ),
+    debug: bool = typer.Option(
+        False,
+        "--debug",
+        help="Print latency measurements and save microphone recordings locally for manual playback.",
+    ),
 ):
     _run(
         server=server,
@@ -52,6 +57,7 @@ def run(
         server_url=server_url,
         client_type=client_type,
         qr=qr,
+        debug=debug,
     )
 
 
@@ -65,6 +71,7 @@ def _run(
     server_url: str = None,
     client_type: str = "auto",
     qr: bool = False,
+    debug: bool = False,
 ):
 
     system_type = platform.system()
@@ -93,6 +100,7 @@ def _run(
                 main(
                     server_host,
                     server_port,
+                    debug,
                 ),
             ),
         )
@@ -125,7 +133,7 @@ def _run(
             f".clients.{client_type}.device", package="source"
         )
 
-        client_thread = threading.Thread(target=module.main, args=[server_url])
+        client_thread = threading.Thread(target=module.main, args=[server_url, debug])
         client_thread.start()
 
     try: