fix: 视频跳转画面停留、视频继续进度播放

lib/plugin/pl_player/controller.dart

@@ -230,8 +230,6 @@ class PlPlayerController {
     try {
       _autoPlay = autoplay;
       _looping = looping;
-      // 初始化视频时长
-      _duration.value = duration ?? Duration.zero;
       // 初始化视频倍速
       _playbackSpeed.value = speed;
       // 初始化数据加载状态
@@ -248,7 +246,7 @@ class PlPlayerController {
       _videoPlayerController = await _createVideoController(
           dataSource, _looping, enableHA, width, height);
       // 获取视频时长 00:00
-      _duration.value = _videoPlayerController!.state.duration;
+      _duration.value = duration ?? _videoPlayerController!.state.duration;
       // 数据加载完成
       dataStatus.status.value = DataStatus.loaded;
 
@@ -274,7 +272,8 @@ class PlPlayerController {
   ) async {
     // 每次配置时先移除监听
     removeListeners();
-
+    isBuffering.value = false;
+    buffered.value = Duration.zero;
     Player player = _videoPlayerController ??
         Player(
           configuration: const PlayerConfiguration(
@@ -430,7 +429,7 @@ class PlPlayerController {
     }
     _position.value = position;
     if (duration.value.inSeconds != 0) {
-      // await _videoPlayerController!.stream.buffer.first;
+      await _videoPlayerController!.stream.buffer.first;
       await _videoPlayerController?.seek(position);
       // if (playerStatus.stopped) {
       //   play();

lib/plugin/pl_player/view.dart

@@ -648,6 +648,23 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
             return Container();
           }
         }),
+        Obx(() {
+          if (_.buffered.value == Duration.zero) {
+            return Positioned.fill(
+              child: Container(
+                color: Colors.black,
+                child: Center(
+                  child: Image.asset(
+                    'assets/images/loading.gif',
+                    height: 25,
+                  ),
+                ),
+              ),
+            );
+          } else {
+            return Container();
+          }
+        }),
 
         /// 点击 快进/快退
         if (_mountSeekBackwardButton || _mountSeekForwardButton)