php laravel 视频以流（Stream）动态生成视频响应，不直接返回视频地址

use App\Http\Controllers\Test;
use Illuminate\Support\Facades\Route;

Route::prefix("test")->group(function(){
    Route::get('video/{id}', [Test::class,'video']);//视频流加载
});
//访问ip/test/video/12312

<?php
namespace App\Http\Controllers;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\DB;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Exception;

class Test extends Controller
{
    
    public function video($id){
        //视频地址，base_path()是框架根目录就是
        $videoPath = base_path().'/videos/1.mp4';

        return new StreamedResponse(function () use($videoPath){
　　　　　　　　//打开视频文件的流
            $stream = fopen($videoPath,"rb");
            while (!feof($stream)){
                //fread 函数将数据逐块地发送给客户端
                echo fread($stream,1024*1024);
                flush();//清空缓存数据
            }
            fclose($stream);//关闭读写流
        },200,[
            'Content-Type' => 'video/mp4',//告诉浏览器输出的是什么格式
            'Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0',
            'Pragma' => 'no-cache',
            'Expires' => '0',    
        ]);
    }
    
    
}

<video id="videoPlayer" controls>
    <source src="/test/video/12312" type="video/mp4">
</video>
var video = document.getElementById('videoPlayer');

// 播放视频
video.play();

// 设置音量
video.volume = 0.5; // 0.0 到 1.0 的范围