content: /*
   * Copyright (C) 2015 Zhang Rui <bbcallen@gmail.com>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package tv.danmaku.ijk.media.sample.widget.media;
  
  import tv.danmaku.ijk.media.player.IMediaPlayer;
  import tv.danmaku.ijk.media.player.IjkMediaPlayer;
  import tv.danmaku.ijk.media.player.MediaPlayerProxy;
  import tv.danmaku.ijk.media.player.TextureMediaPlayer;
  
  public class MediaPlayerCompat {
      public static String getName(IMediaPlayer mp) {
          if (mp == null) {
              return "null";
          } else if (mp instanceof TextureMediaPlayer) {
              StringBuilder sb = new StringBuilder("TextureMediaPlayer <");
              IMediaPlayer internalMediaPlayer = ((TextureMediaPlayer) mp).getInternalMediaPlayer();
              if (internalMediaPlayer == null) {
                  sb.append("null>");
              } else {
                  sb.append(internalMediaPlayer.getClass().getSimpleName());
                  sb.append(">");
              }
              return sb.toString();
          } else {
              return mp.getClass().getSimpleName();
          }
      }
  
      public static IjkMediaPlayer getIjkMediaPlayer(IMediaPlayer mp) {
          IjkMediaPlayer ijkMediaPlayer = null;
          if (mp == null) {
              return null;
          } if (mp instanceof IjkMediaPlayer) {
              ijkMediaPlayer = (IjkMediaPlayer) mp;
          } else if (mp instanceof MediaPlayerProxy && ((MediaPlayerProxy) mp).getInternalMediaPlayer() instanceof IjkMediaPlayer) {
              ijkMediaPlayer = (IjkMediaPlayer) ((MediaPlayerProxy) mp).getInternalMediaPlayer();
          }
          return ijkMediaPlayer;
      }
  
      public static void selectTrack(IMediaPlayer mp, int stream) {
          IjkMediaPlayer ijkMediaPlayer = getIjkMediaPlayer(mp);
          if (ijkMediaPlayer == null)
              return;
          ijkMediaPlayer.selectTrack(stream);
      }
  
      public static void deselectTrack(IMediaPlayer mp, int stream) {
          IjkMediaPlayer ijkMediaPlayer = getIjkMediaPlayer(mp);
          if (ijkMediaPlayer == null)
              return;
          ijkMediaPlayer.deselectTrack(stream);
      }
  
      public static int getSelectedTrack(IMediaPlayer mp, int trackType) {
          IjkMediaPlayer ijkMediaPlayer = getIjkMediaPlayer(mp);
          if (ijkMediaPlayer == null)
              return -1;
          return ijkMediaPlayer.getSelectedTrack(trackType);
      }
  }
  