Merge branch 'master' of https://gitea.xiaowang.eu.org/wx44wx/py-active-call

examples/wav_client.py

@@ -94,10 +94,12 @@ class WavFileClient:
         self.bytes_sent = 0
         self.bytes_received = 0
         
-        # TTFB tracking
+        # TTFB tracking (per response)
         self.send_start_time = None
-        self.first_audio_received = False
-        self.ttfb_ms = None
+        self.response_start_time = None  # set on each trackStart
+        self.waiting_for_first_audio = False
+        self.ttfb_ms = None  # last TTFB for summary
+        self.ttfb_list = []  # TTFB for each response
         
         # State tracking
         self.track_started = False
@@ -241,11 +243,13 @@ class WavFileClient:
                         self.bytes_received += len(message)
                         self.received_audio.extend(message)
                         
-                        # Calculate TTFB on first audio
-                        if not self.first_audio_received and self.send_start_time:
-                            self.ttfb_ms = (time.time() - self.send_start_time) * 1000
-                            self.first_audio_received = True
-                            self.log_event("←", f"[TTFB] First audio latency: {self.ttfb_ms:.0f}ms")
+                        # Calculate TTFB on first audio of each response
+                        if self.waiting_for_first_audio and self.response_start_time is not None:
+                            ttfb_ms = (time.time() - self.response_start_time) * 1000
+                            self.ttfb_ms = ttfb_ms
+                            self.ttfb_list.append(ttfb_ms)
+                            self.waiting_for_first_audio = False
+                            self.log_event("←", f"[TTFB] First audio latency: {ttfb_ms:.0f}ms")
                         
                         # Log progress
                         duration_ms = len(message) / (self.sample_rate * 2) * 1000
@@ -306,6 +310,8 @@ class WavFileClient:
                 self.log_event("←", f"LLM: {text}")
         elif event_type == "trackStart":
             self.track_started = True
+            self.response_start_time = time.time()
+            self.waiting_for_first_audio = True
             self.log_event("←", "Bot started speaking")
         elif event_type == "trackEnd":
             self.track_ended = True
@@ -413,8 +419,11 @@ class WavFileClient:
         print(f"  Output file: {self.output_file}")
         print(f"  Bytes sent:     {self.bytes_sent / 1024:.1f} KB")
         print(f"  Bytes received: {self.bytes_received / 1024:.1f} KB")
-        if self.ttfb_ms:
-            print(f"  TTFB:           {self.ttfb_ms:.0f} ms")
+        if self.ttfb_list:
+            if len(self.ttfb_list) == 1:
+                print(f"  TTFB:           {self.ttfb_list[0]:.0f} ms")
+            else:
+                print(f"  TTFB (per response): {', '.join(f'{t:.0f}ms' for t in self.ttfb_list)}")
         if self.received_audio:
             duration = len(self.received_audio) / (self.sample_rate * 2)
             print(f"  Response duration: {duration:.2f}s")