Support two way talk validation

frigate/api/app.py

@@ -117,6 +117,22 @@ def go2rtc_streams():
     return jsonify(stream_data)
 
 
+@bp.route("/go2rtc/streams/<camera_name>")
+def go2rtc_camera_stream(camera_name: str):
+    r = requests.get(f"http://127.0.0.1:1984/api/streams?src={camera_name}&video=all&audio=all&microphone")
+    if not r.ok:
+        logger.error("Failed to fetch streams from go2rtc")
+        return make_response(
+            jsonify({"success": False, "message": "Error fetching stream data"}),
+            500,
+        )
+    stream_data = r.json()
+    for data in stream_data.values():
+        for producer in data.get("producers", []):
+            producer["url"] = clean_camera_user_pass(producer.get("url", ""))
+    return jsonify(stream_data)
+
+
 @bp.route("/version")
 def version():
     return VERSION

web/src/types/live.ts

@@ -3,3 +3,30 @@ export type VideoResolutionType = {
   width: number;
   height: number;
 };
+
+type LiveProducerMetadata = {
+  type: string;
+  url: string;
+  remote_addr: string;
+  user_agent: string;
+  sdp: string;
+  medias: string[];
+  receivers: string[];
+  recv: number;
+};
+
+type LiveConsumerMetadata = {
+  type: string;
+  url: string;
+  remote_addr: string;
+  user_agent: string;
+  sdp: string;
+  medias: string[];
+  senders: string[];
+  send: number;
+};
+
+export type LiveStreamMetadata = {
+  producers: LiveProducerMetadata[];
+  consumers: LiveConsumerMetadata[];
+};

web/src/views/live/LiveCameraView.tsx

@@ -20,7 +20,7 @@ import { TooltipProvider } from "@/components/ui/tooltip";
 import { useResizeObserver } from "@/hooks/resize-observer";
 import useKeyboardListener from "@/hooks/use-keyboard-listener";
 import { CameraConfig } from "@/types/frigateConfig";
-import { VideoResolutionType } from "@/types/live";
+import { LiveStreamMetadata, VideoResolutionType } from "@/types/live";
 import { CameraPtzInfo } from "@/types/ptz";
 import { RecordingStartingPoint } from "@/types/record";
 import React, {
@@ -82,6 +82,28 @@ export default function LiveCameraView({ camera }: LiveCameraViewProps) {
   const [{ width: windowWidth, height: windowHeight }] =
     useResizeObserver(window);
 
+  // supported features
+
+  const { data: cameraMetadata } = useSWR<LiveStreamMetadata>(
+    `go2rtc/streams/${camera.live.stream_name}`,
+    {
+      revalidateOnFocus: false,
+    },
+  );
+
+  const supports2WayTalk = useMemo(() => {
+    if (!window.isSecureContext || !cameraMetadata) {
+      return false;
+    }
+
+    return (
+      cameraMetadata.producers.find(
+        (prod) =>
+          prod.medias.find((media) => media.includes("sendonly")) != undefined,
+      ) != undefined
+    );
+  }, [cameraMetadata]);
+
   // click overlay for ptzs
 
   const [clickOverlay, setClickOverlay] = useState(false);
@@ -305,7 +327,7 @@ export default function LiveCameraView({ camera }: LiveCameraViewProps) {
                   }}
                 />
               )}
-              {window.isSecureContext && (
+              {supports2WayTalk && (
                 <CameraFeatureToggle
                   className="p-2 md:p-0"
                   variant={fullscreen ? "overlay" : "primary"}