BUR-58 добавлен видео-блок

src/components/CameraView.tsx

@@ -0,0 +1,69 @@
+import { useEffect, useRef, useState } from 'react';
+
+type CameraViewProps = {
+  title?: string;
+  wsUrl: string;
+};
+
+export function CameraView({ title = 'Камера', wsUrl }: CameraViewProps) {
+  const videoRef = useRef<HTMLVideoElement | null>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const video = videoRef.current;
+    let player: import('mpegts.js').default.Player | null = null;
+    let cancelled = false;
+
+    if (!video) {
+      return;
+    }
+
+    const clearError = () => setError(null);
+    video.addEventListener('playing', clearError);
+    setError(null);
+
+    void import('mpegts.js').then(({ default: mpegts }) => {
+      if (cancelled) {
+        return;
+      }
+
+      if (!mpegts.isSupported()) {
+        setError('Браузер не поддерживает MPEG-TS поток');
+        return;
+      }
+
+      player = mpegts.createPlayer(
+        { type: 'mpegts', isLive: true, url: wsUrl },
+        { liveBufferLatencyChasing: true, liveBufferLatencyMaxLatency: 1.5 },
+      );
+
+      player.attachMediaElement(video);
+      player.load();
+
+      const playResult = player.play();
+      if (playResult instanceof Promise) {
+        void playResult.then(() => setError(null)).catch(() => setError('Не удалось запустить воспроизведение'));
+      }
+    });
+
+    return () => {
+      cancelled = true;
+      video.removeEventListener('playing', clearError);
+      player?.pause();
+      player?.unload();
+      player?.detachMediaElement();
+      player?.destroy();
+    };
+  }, [wsUrl]);
+
+  return (
+    <article className="camera-view">
+      <video ref={videoRef} className="camera-view__video" controls autoPlay muted playsInline />
+      <div className="camera-view__caption">
+        <strong>{title}</strong>
+        <span>{wsUrl}</span>
+      </div>
+      {error ? <div className="camera-view__error">{error}</div> : null}
+    </article>
+  );
+}