/**
     * @description: 構(gòu)建播放器
     * @return {*}
     * @Author: liuxin
     */
    function flvCreated() {
      try {
        const videoElement = flvPlayerVideo.value;
        if (flvjs.isSupported() && videoElement) {
          addLog(`flv created,address:${prop.url}`);
          const flvOption = {
            url: prop.url, // 播放地址
            hasAudio: false, // 是否有音頻
            hasVideo: true, //是否有視頻
            isLive: true, // 是否是直播流，默認(rèn) true
            type: "flv", // 是否是直播流，默認(rèn) true
            stashInitialSize: 128, // 減少首幀顯示等待時(shí)長
            ...prop.option,
          };
          state.flvPlayer = flvjs.createPlayer(flvOption, {
            enableWorker: false, // 不啟用分離的線程進(jìn)行轉(zhuǎn)換，之前為true
            enableStashBuffer: false, // 關(guān)閉IO隱藏緩沖區(qū)
            stashInitialSize: 128, // 減少首幀顯示等待時(shí)長
            autoCleanupSourceBuffer: true, // 打開自動(dòng)清除緩存
            fixAudioTimestampGap: false, //false才會(huì)音視頻同步,新增
            lazyLoad: false, // 去掉懶加載,新增
          });
          state.flvPlayer.attachMediaElement(videoElement);
          state.flvPlayer.load();
          state.flvPlayer.play();
          state.endedReloadFlag = true; // 重置畫面停滯的播放狀態(tài)，下次停滯了會(huì)再次打開
          videoElementEvent(); // 手動(dòng)跳幀，防止延時(shí)
          flvPlayerEvent(); // 斷流、卡頓處理
        }
      } catch (error) {
        console.error("構(gòu)建錯(cuò)誤", error);
      }
    }

    /**
     * @description: 銷毀播放器
     * @return {*}
     * @Author: liuxin
     */
    function flvDestory() {
      if (state.delayTimer) {
        clearTimeout(state.delayTimer); // 清除推遲打開播放器定時(shí)器
      }
      if (state.flvPlayer == null) return; // 空對象，不執(zhí)行銷毀
      /* ----- 銷毀開始 ----- */
      addLog(`flv destory,address:${prop.url}`);
      try {
        state.flvPlayer.off(flvjs.Events.ERROR, errorHandle);
        if (state.flvPlayer._hasPendingLoad) {
          state.flvPlayer.pause();
          state.flvPlayer.unload();
        }
        state.flvPlayer.detachMediaElement();
        state.flvPlayer.destroy();
        state.flvPlayer = null;
      } catch (error) {
        console.error("銷毀錯(cuò)誤");
      }
    }

      state.flvPlayer.on(flvjs.Events.STATISTICS_INFO, statisticsInfoHanle); // 斷流重連
    /**
     * @description: 視頻卡頓，銷毀后重建
     * @param {*} errorType
     * @param {*} errorDetail
     * @param {*} errorInfo
     * @return {*}
     * @Author: liuxin
     */
    function statisticsInfoHanle(res) {
      // 初始化播放
      if (state.lastDecodedFrame == 0) {
        state.lastDecodedFrame = res.decodedFrames;
        return;
      }
      // 正常播放
      if (state.lastDecodedFrame != res.decodedFrames) {
        state.lastDecodedFrame = res.decodedFrames;
        state.loading = false; // 去掉loading動(dòng)畫
        state.errorCount = 0; // 錯(cuò)誤連接次數(shù)歸0
      }
      // 播放異常
      else {
        if (state.player) {
          addLog(`Reconnect after video freezes, address:${prop.url}`); // 添加日志
          state.errorCount = 0; // 錯(cuò)誤連接次數(shù)歸0
          state.lastDecodedFrame = 0; // 最后播放編碼號
          flvDestory(); // 銷毀對象
          flvCreated("statistics_info"); // 創(chuàng)建對象
        }
      }
    }

      state.flvPlayer.on(flvjs.Events.ERROR, errorHandle); // 監(jiān)聽出錯(cuò)消息后，銷毀后重連
      state.flvPlayer.on(flvjs.Events.LOADING_COMPLETE, errorHandle); // ctrl+f5刷新，會(huì)莫名因?yàn)橥Ｖ筫nd不播放
    /**
     * @description: 錯(cuò)誤回調(diào)事件
     * @param {*} errorType
     * @param {*} errorDetail
     * @param {*} errorInfo
     * @return {*}
     * @Author: liuxin
     */
    function errorHandle() {
      //視頻出錯(cuò)后銷毀重新創(chuàng)建 網(wǎng)絡(luò)錯(cuò)誤
      if (state.flvPlayer && state.errorCount <= state.maxReconnectCount) {
        addLog(`Video error ${state.errorCount} reconnection,
            address:${prop.url}`); // 視頻報(bào)錯(cuò)N重連
        state.loading = true; // 添加loading動(dòng)畫
        state.errorCount++; //錯(cuò)誤重連次數(shù)+1
        flvDestory();
        flvCreated("ERROR");
      }
      if (state.errorCount > state.maxReconnectCount) {
        state.loading = false; // 去掉loading
      }
    }

     /**
       * @description: 瀏覽器下載流事件，手動(dòng)跳幀，防止累計(jì)延時(shí)
       * @return {*}
       * @Author: liuxin
       */
      videoElement.onprogress = (e) => {
        // 不需要跳幀，如：異常視頻   或者沒有數(shù)據(jù)流，則不進(jìn)行跳幀
        if (!prop.isBufferedEnd || state.flvPlayer.buffered.length <= 0) {
          return;
        }
        state.loading = false;
        /* ----- 跳幀操作 ----- */
        let end = state.flvPlayer.buffered.end(0); //獲取當(dāng)前時(shí)間值
        let diff = end - state.flvPlayer.currentTime; //獲取相差差值
        // 延遲過大或幀率不正常，通過跳幀的方式更新視頻
        if (diff > 20 || diff < 0) {
          // addLog(`Manual frame skipping,address:${prop.url}`); // 添加日志
          state.flvPlayer.currentTime = state.flvPlayer.buffered.end(0) - 0.5; // 手動(dòng)跳幀到最后
          return;
        }
        // 正常幀率，正常播放
        if (diff <= 1) {
          videoElement.playbackRate = 1;
        }
        // 10秒內(nèi)的延時(shí)，1.1倍速播放
        else if (diff <= 10) {
          // addLog(`Chase frames manually 1.1,address:${prop.url}`); // 手動(dòng)追幀
          videoElement.playbackRate = 1.1;
        }
        // 20秒內(nèi)的延時(shí)，1.2倍速播放
        else if (diff <= 20) {
          // addLog(`Chase frames manually 1.2,address:${prop.url}`); // 手動(dòng)追幀
          videoElement.playbackRate = 1.2;
        }
      };

    /**
     * @description: 全屏 / 退出全屏
     * @return {*}
     * @Author: liuxin
     */
    function fullscreenHandle() {
      state.isFlullscreen = !state.isFlullscreen;
      document.addEventListener("keydown", function (e) {
        //此處填寫你的業(yè)務(wù)邏輯即可
        if (e.key == "Escape") {
          e.stopPropagation();
          state.isFlullscreen = false;
        }
      });