link #3017

gsyVideoPlayer-exo_player2/src/main/java/tv/danmaku/ijk/media/exo2/IjkExo2MediaPlayer.java

@@ -525,11 +525,15 @@ public class IjkExo2MediaPlayer extends AbstractMediaPlayer implements Player.Ev
         //缓冲时顺序为：STATE_BUFFERING -》STATE_READY
         //Log.e(TAG, "onPlayerStateChanged: playWhenReady = " + playWhenReady + ", playbackState = " + playbackState);
         if (isLastReportedPlayWhenReady != playWhenReady || lastReportedPlaybackState != playbackState) {
+            int buffer = 0;
+            if(mInternalPlayer != null) {
+                buffer =  mInternalPlayer.getBufferedPercentage()
+            }
             if (isBuffering) {
                 switch (playbackState) {
                     case Player.STATE_ENDED:
                     case Player.STATE_READY:
-                        notifyOnInfo(IMediaPlayer.MEDIA_INFO_BUFFERING_END, mInternalPlayer.getBufferedPercentage());
+                        notifyOnInfo(IMediaPlayer.MEDIA_INFO_BUFFERING_END, buffer);
                         isBuffering = false;
                         break;
                 }
@@ -546,7 +550,7 @@ public class IjkExo2MediaPlayer extends AbstractMediaPlayer implements Player.Ev
 
             switch (playbackState) {
                 case Player.STATE_BUFFERING:
-                    notifyOnInfo(IMediaPlayer.MEDIA_INFO_BUFFERING_START, mInternalPlayer.getBufferedPercentage());
+                    notifyOnInfo(IMediaPlayer.MEDIA_INFO_BUFFERING_START, buffer);
                     isBuffering = true;
                     break;
                 case Player.STATE_READY: