Merge branch 'ft' into 'main_dev'

fix: 修复videojs切换至其他页面，返回播放界面，视频时延问题

See merge request yunteng/thingskit-front!1207

@@ -72,6 +72,26 @@
     videoPlayInstance.value = videoJs(unref(videoPlayEl)!, unref(getOptions), () => {
       emit('ready', unref(videoPlayInstance));
     });
+    //fix 修复videojs解决直播延时的问题
+    videoPlayInstance.value?.on('timeupdate', function () {
+      // 计算表最新推流的时间和现在播放器播放推流的时间
+      let differTime =
+        (videoPlayInstance.value as any as VideoJsPlayer)?.buffered()?.end(0) -
+        (videoPlayInstance.value as any as VideoJsPlayer)?.currentTime();
+      // 差值小于1.5s时根据1倍速进行播放
+      if (differTime < 1.5) {
+        videoPlayInstance.value?.playbackRate(1);
+      }
+      // 差值大于1.5s小于10s根据1.2倍速进行播放
+      if (differTime < 10 && differTime > 1.5) {
+        videoPlayInstance.value?.playbackRate(1.2);
+      }
+      // 差值大于10s时进行重新加载直播流
+      if (differTime > 10) {
+        init();
+      }
+    });
+    //
   };
 
   const customInit = (getOptionsFn: (optios: VideoJsPlayerOptions) => VideoJsPlayerOptions) => {