live/infer: Allow running with zeromq protocol (#267)

* live/infer: Create protocol arg

* live/inver: Instantiate a different streamer based on protocol

* live/infer: Cleanup args/docs

runner/app/live/infer.py

@@ -14,10 +14,17 @@
 
 from params_api import start_http_server
 from streamer.trickle import TrickleStreamer
+from streamer.zeromq import ZeroMQStreamer
 
 
-async def main(http_port: int, subscribe_url: str, publish_url: str, pipeline: str, params: dict):
-    handler = TrickleStreamer(subscribe_url, publish_url, pipeline, **(params or {}))
+async def main(http_port: int, stream_protocol: str, subscribe_url: str, publish_url: str, pipeline: str, params: dict):
+    if stream_protocol == "trickle":
+        handler = TrickleStreamer(subscribe_url, publish_url, pipeline, **(params or {}))
+    elif stream_protocol == "zeromq":
+        handler = ZeroMQStreamer(subscribe_url, publish_url, pipeline, **(params or {}))
+    else:
+        raise ValueError(f"Unsupported protocol: {stream_protocol}")
+
     runner = None
     try:
         handler.start()
@@ -55,29 +62,24 @@ def signal_handler(sig, _):
     parser.add_argument(
         "--http-port", type=int, default=8888, help="Port for the HTTP server"
     )
-    parser.add_argument(
-        "--input-address",
-        type=str,
-        default="tcp://localhost:5555",
-        help="Address for the input socket",
-    )
-    parser.add_argument(
-        "--output-address",
-        type=str,
-        default="tcp://localhost:5556",
-        help="Address for the output socket",
-    )
     parser.add_argument(
         "--pipeline", type=str, default="streamdiffusion", help="Pipeline to use"
     )
     parser.add_argument(
         "--initial-params", type=str, default="{}", help="Initial parameters for the pipeline"
     )
     parser.add_argument(
-        "--subscribe-url", type=str, required=True, help="url to pull incoming streams"
+        "--stream-protocol",
+        type=str,
+        choices=["trickle", "zeromq"],
+        default="trickle",
+        help="Protocol to use for streaming frames in and out. One of: trickle, zeromq"
+    )
+    parser.add_argument(
+        "--subscribe-url", type=str, required=True, help="URL to subscribe for the input frames (trickle). For zeromq this is the input socket address"
     )
     parser.add_argument(
-        "--publish-url", type=str, required=True, help="url to push outgoing streams"
+        "--publish-url", type=str, required=True, help="URL to publish output frames (trickle). For zeromq this is the output socket address"
     )
     parser.add_argument(
         "-v", "--verbose",
@@ -101,7 +103,7 @@ def signal_handler(sig, _):
 
     try:
         asyncio.run(
-            main(args.http_port, args.subscribe_url, args.publish_url, args.pipeline, params)
+            main(args.http_port, args.stream_protocol, args.subscribe_url, args.publish_url, args.pipeline, params)
         )
     except Exception as e:
         logging.error(f"Fatal error in main: {e}")