Create API to create gif from previews and show instead of still thumbnails (#9786)

* Start working on animation

* Change output file

* Create preview gif

* Show animated gif for event thumb

* Remove favorite

* Cleanup

web/src/components/image/AnimatedEventThumbnail.tsx

@@ -0,0 +1,37 @@
+import { baseUrl } from "@/api/baseUrl";
+import { Event as FrigateEvent } from "@/types/event";
+import TimeAgo from "../dynamic/TimeAgo";
+import { Tooltip, TooltipContent, TooltipTrigger } from "../ui/tooltip";
+
+type AnimatedEventThumbnailProps = {
+  event: FrigateEvent;
+};
+export function AnimatedEventThumbnail({ event }: AnimatedEventThumbnailProps) {
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>
+        <div
+          className="relative rounded bg-cover aspect-video h-24 bg-no-repeat bg-center mr-4"
+          style={{
+            backgroundImage: `url(${baseUrl}api/events/${event.id}/preview.gif)`,
+          }}
+        >
+          <div className="absolute bottom-0 w-full h-6 bg-gradient-to-t from-slate-900/50 to-transparent rounded">
+            <div className="absolute left-1 bottom-0 text-xs text-white w-full">
+              <TimeAgo time={event.start_time * 1000} dense />
+            </div>
+          </div>
+        </div>
+      </TooltipTrigger>
+      <TooltipContent>
+        {`${event.label} ${
+          event.sub_label ? `(${event.sub_label})` : ""
+        } detected with score of ${(event.data.score * 100).toFixed(0)}% ${
+          event.data.sub_label_score
+            ? `(${event.data.sub_label_score * 100}%)`
+            : ""
+        }`}
+      </TooltipContent>
+    </Tooltip>
+  );
+}

web/src/components/player/LivePlayer.tsx

@@ -40,22 +40,23 @@ export default function LivePlayer({
   const { activeMotion, activeAudio, activeTracking } =
     useCameraActivity(cameraConfig);
 
+  const cameraActive = useMemo(() => activeMotion || activeTracking, [activeMotion, activeTracking])
   const liveMode = useCameraLiveMode(cameraConfig, preferredLiveMode);
 
   const [liveReady, setLiveReady] = useState(false);
   useEffect(() => {
     if (!liveReady) {
-      if (activeMotion && liveMode == "jsmpeg") {
+      if (cameraActive && liveMode == "jsmpeg") {
         setLiveReady(true);
       }
 
       return;
     }
 
-    if (!activeMotion && !activeTracking) {
+    if (!cameraActive) {
       setLiveReady(false);
     }
-  }, [activeMotion, activeTracking, liveReady]);
+  }, [cameraActive, liveReady]);
 
   const { payload: recording } = useRecordingsState(cameraConfig.name);
 
@@ -167,7 +168,7 @@ export default function LivePlayer({
           : "outline-0"
       } transition-all duration-500 ${className}`}
     >
-      {(showStillWithoutActivity == false || activeMotion || activeTracking) &&
+      {(showStillWithoutActivity == false || cameraActive) &&
         player}
 
       <div
@@ -179,7 +180,7 @@ export default function LivePlayer({
           className="w-full h-full"
           camera={cameraConfig.name}
           showFps={false}
-          reloadInterval={30000}
+          reloadInterval={(cameraActive && !liveReady) ? 200 : 30000}
         />
       </div>
 

web/src/pages/Live.tsx

@@ -1,11 +1,10 @@
-import { EventThumbnail } from "@/components/image/EventThumbnail";
+import { AnimatedEventThumbnail } from "@/components/image/AnimatedEventThumbnail";
 import LivePlayer from "@/components/player/LivePlayer";
 import { ScrollArea, ScrollBar } from "@/components/ui/scroll-area";
 import { TooltipProvider } from "@/components/ui/tooltip";
 import { Event as FrigateEvent } from "@/types/event";
 import { FrigateConfig } from "@/types/frigateConfig";
-import axios from "axios";
-import { useCallback, useMemo } from "react";
+import { useMemo } from "react";
 import useSWR from "swr";
 
 function Live() {
@@ -13,7 +12,7 @@ function Live() {
 
   // recent events
 
-  const { data: allEvents, mutate: updateEvents } = useSWR<FrigateEvent[]>(
+  const { data: allEvents } = useSWR<FrigateEvent[]>(
     ["events", { limit: 10 }],
     { refreshInterval: 60000 }
   );
@@ -29,19 +28,6 @@ function Live() {
     return allEvents.filter((event) => event.start_time > cutoff);
   }, [allEvents]);
 
-  const onFavorite = useCallback(async (e: Event, event: FrigateEvent) => {
-    e.stopPropagation();
-    let response;
-    if (!event.retain_indefinitely) {
-      response = await axios.post(`events/${event.id}/retain`);
-    } else {
-      response = await axios.delete(`events/${event.id}/retain`);
-    }
-    if (response.status === 200) {
-      updateEvents();
-    }
-  }, []);
-
   // camera live views
 
   const cameras = useMemo(() => {
@@ -61,13 +47,7 @@ function Live() {
           <TooltipProvider>
             <div className="flex">
               {events.map((event) => {
-                return (
-                  <EventThumbnail
-                    key={event.id}
-                    event={event}
-                    onFavorite={onFavorite}
-                  />
-                );
+                return <AnimatedEventThumbnail key={event.id} event={event} />;
               })}
             </div>
           </TooltipProvider>