chore: 视频播放支持0.75倍数

src/index.html

@@ -11,7 +11,7 @@
     <title></title>
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, shrink-to-fit=no" />
     <!-- 直接引入aliyun播放插件 CSS -->
-    <link rel="stylesheet" href="https://g.alicdn.com/de/prismplayer/2.9.3/skins/default/aliplayer-min.css" />
+    <link rel="stylesheet" href="https://g.alicdn.com/apsara-media-box/imp-web-player/2.27.1/skins/default/aliplayer-min.css" />
     <script type="module">
       import { list } from 'https://webapp-pub.ezijing.com/lms/ciis/ciis.js?v=6'
       window.QA_LIST = list || []
@@ -24,7 +24,7 @@
     <script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/static/common/jQuery-2.1.4.min.js"></script>
     <script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/static/common/runtime.js"></script>
     <!-- 直接引入aliyun播放插件 JS -->
-    <script charset="utf-8" src="https://g.alicdn.com/de/prismplayer/2.9.3/aliplayer-min.js"></script>
+    <script charset="utf-8" src="https://g.alicdn.com/apsara-media-box/imp-web-player/2.27.1/aliplayer-min.js"></script>
 
     <!-- 解决iframe嵌套，CC视频在safri中打开免登陆兼容问题 -->
     <script src="//view.csslcloud.net/js/_fix_.js"></script>

src/modules/viewer/components/player/videoPlayer.vue

@@ -41,7 +41,16 @@ export default {
           definition: 'FD,LD,SD',
           defaultDefinition: 'SD',
           useHlsPluginForSafari: true,
-          language: this.$i18n.locale === 'zh-CN' ? 'zh-cn' : 'en-us'
+          language: this.$i18n.locale === 'zh-CN' ? 'zh-cn' : 'en-us',
+          speedLevels: [
+            { key: 0.25, text: '0.25' },
+            { key: 0.5, text: '0.5' },
+            { key: 0.75, text: '0.75' },
+            { key: 1, text: '原速' },
+            { key: 1.25, text: '1.25' },
+            { key: 1.5, text: '1.5' },
+            { key: 2, text: '2' }
+          ]
         },
         function (player) {
           // 禁止调整进度，隐藏声音和倍数