フリーランス 技術調査ブログ

フリーランス/エンジニア Ruby Python Nodejs Vuejs React Dockerなどの調査技術調査の備忘録

Reactで動画再生する

はじめに

  • お仕事でReactで動画再生する方法を検討する
  • 調査したいこと、動画開始、終了イベント及び再生時間の取得ができるか

該当プラグイン

調べたところ下記の2つのプラグインがあることを知りstar数の数の多いreact-playerを検証してみる。

  • video-react  startの数:2.3k

https://github.com/video-react/video-react

  • react-player startの数:6.7k

https://github.com/cookpete/react-player https://github.com/cookpete/react-player/issues/1474

サンプルコード

import React, { useState, useEffect, useRef } from 'react'
//import ReactPlayer from 'react-player/lazy'
import dynamic from "next/dynamic";
const ReactPlayer = dynamic(() => import("react-player/lazy"), { ssr: false });
// https://video-ac.com/video/4648
// https://www.pexels.com/ja-jp/search/videos/%E9%A2%A8%E6%99%AF/?size=small&orientation=landscape
/*
https://stackoverflow.com/questions/68374975/get-total-played-time-with-react-player
*/
const Movie = () => {
  const [hasWindow, setHasWindow] = useState(true);
  const [started, setStarted] = useState<number>(0);
  const [ended, setEnded] = useState(0);
  const [isDisplay, setIsDisplay] = useState(false);
  useEffect(() => {
    if (typeof window !== "undefined") {
      setHasWindow(true);
    }
  }, []);

  const start = () => {
    const start = new Date()
    setStarted(start.getTime());
  };
  const end = () => {
    const end = new Date()
    setEnded(end.getTime());
    setIsDisplay(true);
  };    
  return (
    <>
    <div className="static">
      <div className="flex justify-center mx-auto bg-white shadow-lg shadow-none rounded m-6 p-6">
          {hasWindow && 
          <ReactPlayer 
          url={'<動画のURLがはいります>'} 
          controls={true}
          muted={true}
          onStart={start}
          onEnded={end}
          volume={1}
        />}
      </div>
      <div className="flex justify-center mx-auto bg-white shadow-lg shadow-none rounded m-6 p-6">
          {(ended - started > 0) ? `${(ended - started) / 1000}秒` : started === 0 ?  '再生前' : `再生中` }
      </div>
      <div className="absolute top-2 left-96">
        <div style={{display: isDisplay ? "block": "none"}} id="defaultModal" tabIndex={-1} className="overflow-y-auto overflow-x-hidden inset-0 z-50 top-10 flex justify-center items-center" aria-modal="true" role="dialog">
          <div className="relative p-4 w-full max-w-2xl h-full md:h-auto">
              <div className="relative bg-white rounded-lg shadow dark:bg-gray-700">
                  <div className="flex justify-between items-start p-4 rounded-t border-b dark:border-gray-600">
                      <h3 className="text-xl font-semibold text-gray-900 dark:text-white">
                          視聴完了
                      </h3>
                      <button type="button" className="text-gray-400 bg-transparent hover:bg-gray-200 hover:text-gray-900 rounded-lg text-sm p-1.5 ml-auto inline-flex items-center dark:hover:bg-gray-600 dark:hover:text-white" data-modal-toggle="defaultModal">
                          <svg aria-hidden="true" className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fillRule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clipRule="evenodd"></path></svg>
                          <span className="sr-only">Close modal</span>
                      </button>
                  </div>
                  <div className="p-6 space-y-6">
                    <div className="flex items-center pl-4 rounded border border-gray-200 dark:border-gray-700">
                        <input id="bordered-radio-1" type="radio" value="" name="bordered-radio" className="w-4 h-4 text-blue-600 bg-gray-100 border-gray-300 focus:ring-blue-500 dark:focus:ring-blue-600 dark:ring-offset-gray-800 focus:ring-2 dark:bg-gray-700 dark:border-gray-600" />
                        <label htmlFor="bordered-radio-1" className="py-4 ml-2 w-full text-sm font-medium text-gray-900 dark:text-gray-300">良かった</label>
                    </div>
                    <div className="flex items-center pl-4 rounded border border-gray-200 dark:border-gray-700">
                        <input checked id="bordered-radio-2" type="radio" value="" name="bordered-radio" className="w-4 h-4 text-blue-600 bg-gray-100 border-gray-300 focus:ring-blue-500 dark:focus:ring-blue-600 dark:ring-offset-gray-800 focus:ring-2 dark:bg-gray-700 dark:border-gray-600" />
                        <label htmlFor="bordered-radio-2" className="py-4 ml-2 w-full text-sm font-medium text-gray-900 dark:text-gray-300">普通</label>
                    </div>
                    <div className="flex items-center pl-4 rounded border border-gray-200 dark:border-gray-700">
                        <input checked id="bordered-radio-2" type="radio" value="" name="bordered-radio" className="w-4 h-4 text-blue-600 bg-gray-100 border-gray-300 focus:ring-blue-500 dark:focus:ring-blue-600 dark:ring-offset-gray-800 focus:ring-2 dark:bg-gray-700 dark:border-gray-600" />
                        <label htmlFor="bordered-radio-2" className="py-4 ml-2 w-full text-sm font-medium text-gray-900 dark:text-gray-300">悪かった</label>
                    </div>
                  </div>
                  <div className="flex items-center p-6 space-x-2 rounded-b border-t border-gray-200 dark:border-gray-600">
                      <button data-modal-toggle="defaultModal" type="button" className="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800" onClick={() => {setIsDisplay(false)}}>設定</button>
                  </div>
              </div>
          </div>
        </div>
      </div>
      </div>      
    </>
  )  
}

export default Movie

画面

  • 再生開始、終了イベントの取得はできたが、再生時間の取得がうまくできなかった。

結論

  • videojsだと再生開始・終了イベントを取得でき、且つ再生している時間を取得できるので、videojsがよさそうという結論になった
https://codesandbox.io/s/react-videojs-currenttime-zvlbn?file=/src/VideoPlayer.js:1070-1081
https://videojs.com/guides/react/
https://videojs.com/advanced?video=disneys-oceans