class VideoPlayer { constructor(canvasId, wsUrl, options = {}) { this.canvas = document.getElementById(canvasId); this.wsUrl = wsUrl; this.options = { autoplay: true, audio: false, videoBufferSize: 512 * 1024, ...options }; this.player = null; } init() { this.player = new JSMpeg.Player(this.wsUrl, { canvas: this.canvas, ...this.options }); return this; } getCanvas() { return this.canvas; } getPlayer() { return this.player; } destroy() { if (this.player) { this.player.destroy(); this.player = null; } } }