examples(foundational): support multiple transports

examples/foundational/05-sync-speech-and-image.py

@@ -28,9 +28,8 @@ from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
 from pipecat.services.cartesia.tts import CartesiaHttpTTSService
 from pipecat.services.fal.image import FalImageGenService
 from pipecat.services.openai.llm import OpenAILLMService
-from pipecat.transports.base_transport import TransportParams
-from pipecat.transports.network.small_webrtc import SmallWebRTCTransport
-from pipecat.transports.network.webrtc_connection import SmallWebRTCConnection
+from pipecat.transports.base_transport import BaseTransport, TransportParams
+from pipecat.transports.services.daily import DailyParams
 
 load_dotenv(override=True)
 
@@ -64,7 +63,26 @@ class MonthPrepender(FrameProcessor):
             await self.push_frame(frame, direction)
 
 
-async def run_bot(webrtc_connection: SmallWebRTCConnection, _: argparse.Namespace):
+# We store functions so objects (e.g. SileroVADAnalyzer) don't get
+# instantiated. The function will be called when the desired transport gets
+# selected.
+transport_params = {
+    "daily": lambda: DailyParams(
+        audio_out_enabled=True,
+        video_out_enabled=True,
+        video_out_width=1024,
+        video_out_height=1024,
+    ),
+    "webrtc": lambda: TransportParams(
+        audio_out_enabled=True,
+        video_out_enabled=True,
+        video_out_width=1024,
+        video_out_height=1024,
+    ),
+}
+
+
+async def run_example(transport: BaseTransport, _: argparse.Namespace):
     """Run the Calendar Month Narration bot using WebRTC transport.
 
     Args:
@@ -73,17 +91,6 @@ async def run_bot(webrtc_connection: SmallWebRTCConnection, _: argparse.Namespac
     """
     logger.info(f"Starting bot")
 
-    # Create a transport using the WebRTC connection
-    transport = SmallWebRTCTransport(
-        webrtc_connection=webrtc_connection,
-        params=TransportParams(
-            audio_out_enabled=True,
-            video_out_enabled=True,
-            video_out_width=1024,
-            video_out_height=1024,
-        ),
-    )
-
     # Create an HTTP session for API calls
     async with aiohttp.ClientSession() as session:
         llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
@@ -159,6 +166,7 @@ async def run_bot(webrtc_connection: SmallWebRTCConnection, _: argparse.Namespac
         @transport.event_handler("on_client_disconnected")
         async def on_client_disconnected(transport, client):
             logger.info(f"Client disconnected")
+            await task.cancel()
 
         @transport.event_handler("on_client_closed")
         async def on_client_closed(transport, client):
@@ -173,4 +181,4 @@ async def run_bot(webrtc_connection: SmallWebRTCConnection, _: argparse.Namespac
 if __name__ == "__main__":
     from run import main
 
-    main()
+    main(run_example, transport_params=transport_params)