弹幕同步视频播放速度功能

packages/artplayer-plugin-danmuku/README.md

@@ -38,13 +38,22 @@ var art = new Artplayer({
     container: '.artplayer-app',
     url: 'path/to/video.mp4',
     plugins: [artplayerPluginDanmuku({
-        danmuku: [], // Can be an array or return the promised function or danmuku xml url
+        danmuku: [
+            {
+                text: '666', // Danmu text
+                time: 5, // Video time
+                color: '#fff', // Danmu color
+                border: false, // Danmu border
+                mode: 'scroll', // Danmu mode: scroll or static
+            }
+        ], // Can be an array or return the promised function or danmuku xml url
         speed: 5, // Animation time
         opacity: 1, // Opacity
         color: '#fff', // Font color
         size: 25, // Font size
         maxlength: 50, // The maximum number of words in the danmu
         margin: [10, 20], // Margin top and margin bottom
+        synchronousPlayback: false, // Synchronous playback speed
     })],
 });
 
@@ -54,7 +63,8 @@ art.plugins.artplayerPluginDanmuku.emit({
     time: 5, // Video time
     color: '#fff', // Danmu color
     size: 25, // Danmu size
-    border: false // Danmu border
+    border: false, // Danmu border
+    mode: 'scroll', // Danmu mode: scroll or static
 });
 
 // Hide danmu