Make jsmpeg players fully responsive (#11567)

* make jsmpeg canvas responsive

* make birdseye responsive too

web/src/components/player/BirdseyeLivePlayer.tsx

@@ -5,12 +5,14 @@ import JSMpegPlayer from "./JSMpegPlayer";
 import MSEPlayer from "./MsePlayer";
 import { LivePlayerMode } from "@/types/live";
 import { cn } from "@/lib/utils";
+import React from "react";
 
 type LivePlayerProps = {
   className?: string;
   birdseyeConfig: BirdseyeConfig;
   liveMode: LivePlayerMode;
   onClick?: () => void;
+  containerRef?: React.MutableRefObject<HTMLDivElement | null>;
 };
 
 export default function BirdseyeLivePlayer({
@@ -18,6 +20,7 @@ export default function BirdseyeLivePlayer({
   birdseyeConfig,
   liveMode,
   onClick,
+  containerRef,
 }: LivePlayerProps) {
   let player;
   if (liveMode == "webrtc") {
@@ -50,6 +53,7 @@ export default function BirdseyeLivePlayer({
         camera="birdseye"
         width={birdseyeConfig.width}
         height={birdseyeConfig.height}
+        containerRef={containerRef}
       />
     );
   } else {

web/src/components/player/JSMpegPlayer.tsx

@@ -1,13 +1,15 @@
 import { baseUrl } from "@/api/baseUrl";
+import { useResizeObserver } from "@/hooks/resize-observer";
 // @ts-expect-error we know this doesn't have types
 import JSMpeg from "@cycjimmy/jsmpeg-player";
-import { useEffect, useRef } from "react";
+import React, { useEffect, useMemo, useRef } from "react";
 
 type JSMpegPlayerProps = {
   className?: string;
   camera: string;
   width: number;
   height: number;
+  containerRef?: React.MutableRefObject<HTMLDivElement | null>;
 };
 
 export default function JSMpegPlayer({
@@ -15,10 +17,57 @@ export default function JSMpegPlayer({
   width,
   height,
   className,
+  containerRef,
 }: JSMpegPlayerProps) {
   const url = `${baseUrl.replace(/^http/, "ws")}live/jsmpeg/${camera}`;
   const playerRef = useRef<HTMLDivElement | null>(null);
-  const containerRef = useRef<HTMLDivElement | null>(null);
+  const internalContainerRef = useRef<HTMLDivElement | null>(null);
+
+  const [{ width: containerWidth, height: containerHeight }] =
+    useResizeObserver(containerRef ?? internalContainerRef);
+
+  const stretch = true;
+  const aspectRatio = width / height;
+
+  const fitAspect = useMemo(
+    () => containerWidth / containerHeight,
+    [containerWidth, containerHeight],
+  );
+
+  const scaledHeight = useMemo(() => {
+    if (containerRef?.current && width && height) {
+      const scaledHeight =
+        aspectRatio < (fitAspect ?? 0)
+          ? Math.floor(
+              Math.min(containerHeight, containerRef.current?.clientHeight),
+            )
+          : aspectRatio > fitAspect
+            ? Math.floor(containerWidth / aspectRatio)
+            : Math.floor(containerWidth / aspectRatio) / 1.5;
+      const finalHeight = stretch
+        ? scaledHeight
+        : Math.min(scaledHeight, height);
+
+      if (finalHeight > 0) {
+        return finalHeight;
+      }
+    }
+  }, [
+    aspectRatio,
+    containerWidth,
+    containerHeight,
+    fitAspect,
+    height,
+    width,
+    stretch,
+    containerRef,
+  ]);
+
+  const scaledWidth = useMemo(() => {
+    if (aspectRatio && scaledHeight) {
+      return Math.ceil(scaledHeight * aspectRatio);
+    }
+  }, [scaledHeight, aspectRatio]);
 
   useEffect(() => {
     if (!playerRef.current) {
@@ -28,7 +77,7 @@ export default function JSMpegPlayer({
     const video = new JSMpeg.VideoElement(
       playerRef.current,
       url,
-      {},
+      { canvas: "#video-canvas" },
       { protocols: [], audio: false, videoBufferSize: 1024 * 1024 * 4 },
     );
 
@@ -44,12 +93,16 @@ export default function JSMpegPlayer({
   }, [url]);
 
   return (
-    <div className={className} ref={containerRef}>
-      <div
-        ref={playerRef}
-        className="jsmpeg h-full"
-        style={{ aspectRatio: width / height }}
-      />
+    <div className={className} ref={internalContainerRef}>
+      <div ref={playerRef} className="jsmpeg">
+        <canvas
+          id="video-canvas"
+          style={{
+            width: scaledWidth ?? width,
+            height: scaledHeight ?? height,
+          }}
+        ></canvas>
+      </div>
     </div>
   );
 }

web/src/components/player/LivePlayer.tsx

@@ -28,6 +28,7 @@ type LivePlayerProps = {
   pip?: boolean;
   onClick?: () => void;
   setFullResolution?: React.Dispatch<React.SetStateAction<VideoResolutionType>>;
+  containerRef?: React.MutableRefObject<HTMLDivElement | null>;
 };
 
 export default function LivePlayer({
@@ -43,6 +44,7 @@ export default function LivePlayer({
   pip,
   onClick,
   setFullResolution,
+  containerRef,
 }: LivePlayerProps) {
   // camera activity
 
@@ -138,10 +140,11 @@ export default function LivePlayer({
     if (cameraActive || !showStillWithoutActivity) {
       player = (
         <JSMpegPlayer
-          className="flex size-full justify-center overflow-hidden rounded-lg md:rounded-2xl"
+          className="flex justify-center overflow-hidden rounded-lg md:rounded-2xl"
           camera={cameraConfig.live.stream_name}
           width={cameraConfig.detect.width}
           height={cameraConfig.detect.height}
+          containerRef={containerRef}
         />
       );
     } else {
@@ -156,9 +159,7 @@ export default function LivePlayer({
       ref={cameraRef}
       data-camera={cameraConfig.name}
       className={cn(
-        "relative flex justify-center",
-        liveMode === "jsmpeg" ? "size-full" : "w-full",
-        "cursor-pointer outline",
+        "relative flex w-full cursor-pointer justify-center outline",
         activeTracking
           ? "outline-3 rounded-lg shadow-severity_alert outline-severity_alert md:rounded-2xl"
           : "outline-0 outline-background",

web/src/views/live/LiveBirdseyeView.tsx

@@ -23,6 +23,7 @@ export default function LiveBirdseyeView() {
   const navigate = useNavigate();
   const { isPortrait } = useMobileOrientation();
   const mainRef = useRef<HTMLDivElement | null>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
   const [{ width: windowWidth, height: windowHeight }] =
     useResizeObserver(window);
 
@@ -75,7 +76,7 @@ export default function LiveBirdseyeView() {
         return "absolute inset-y-2 left-[50%] -translate-x-[50%]";
       }
     } else {
-      return "absolute top-2 bottom-2 left-[50%] -translate-x-[50%]";
+      return "absolute top-0 bottom-0 left-[50%] -translate-x-[50%]";
     }
   }, [cameraAspectRatio, fullscreen, isPortrait]);
 
@@ -159,6 +160,7 @@ export default function LiveBirdseyeView() {
             </div>
           </TooltipProvider>
         </div>
+        <div id="player-container" className="size-full" ref={containerRef}>
           <TransformComponent
             wrapperStyle={{
               width: "100%",
@@ -177,13 +179,15 @@ export default function LiveBirdseyeView() {
               }}
             >
               <BirdseyeLivePlayer
-              className="h-full"
+                className={`${fullscreen ? "*:rounded-none" : ""}`}
                 birdseyeConfig={config.birdseye}
                 liveMode={preferredLiveMode}
+                containerRef={containerRef}
               />
             </div>
           </TransformComponent>
         </div>
+      </div>
     </TransformWrapper>
   );
 }

web/src/views/live/LiveCameraView.tsx

@@ -85,6 +85,7 @@ export default function LiveCameraView({
   const navigate = useNavigate();
   const { isPortrait } = useMobileOrientation();
   const mainRef = useRef<HTMLDivElement | null>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
   const [{ width: windowWidth, height: windowHeight }] =
     useResizeObserver(window);
 
@@ -389,6 +390,7 @@ export default function LiveCameraView({
             </div>
           </TooltipProvider>
         </div>
+        <div id="player-container" className="size-full" ref={containerRef}>
           <TransformComponent
             wrapperStyle={{
               width: "100%",
@@ -411,7 +413,7 @@ export default function LiveCameraView({
             >
               <LivePlayer
                 key={camera.name}
-              className={`m-1 ${fullscreen ? "*:rounded-none" : ""}`}
+                className={`${fullscreen ? "*:rounded-none" : ""}`}
                 windowVisible
                 showStillWithoutActivity={false}
                 cameraConfig={camera}
@@ -421,6 +423,7 @@ export default function LiveCameraView({
                 preferredLiveMode={preferredLiveMode}
                 pip={pip}
                 setFullResolution={setFullResolution}
+                containerRef={containerRef}
               />
             </div>
             {camera.onvif.host != "" && (
@@ -432,6 +435,7 @@ export default function LiveCameraView({
             )}
           </TransformComponent>
         </div>
+      </div>
     </TransformWrapper>
   );
 }