倍速播放切换视频后可保持切换后的播放速度 且可在init回调后被重置

lib/video.dart

@@ -144,6 +144,8 @@ class GZVideoPlayerState extends State<GZVideoPlayer>
 
   /// 倍数按钮标题
   String _speedTitle = '';
+  /// 倍数item
+  VideoSpeedItem _speedItem = VideoSpeedItem();
 
   /// 获取屏幕大小
   Size get screenSize => MediaQuery.of(context).size;
@@ -326,6 +328,8 @@ class GZVideoPlayerState extends State<GZVideoPlayer>
 
   void _handleInit(_) {
     debugPrint("初始化完成");
+    setVolume(_volume.value);
+    _controller.setPlaybackSpeed(_speedItem.speed);
     widget.onInit?.call(_controller);
     _initialized = true;
     setState(() {});
@@ -336,7 +340,6 @@ class GZVideoPlayerState extends State<GZVideoPlayer>
       _controller.play();
       _isEnded = false;
     }
-    setVolume(_volume.value);
   }
 
   void _initPlayer() {
@@ -691,6 +694,7 @@ class GZVideoPlayerState extends State<GZVideoPlayer>
         style: widget.videoStyle.videoSpeedItemStyle,
         onTapItem: (int index) {
           VideoSpeedItem item = widget.playOptions.speedList[index];
+          _speedItem = item;
           _speedTitle = item.title;
           toggleSpeedControls();
           _controller.setPlaybackSpeed(item.speed);