git.sesse.net Git - vlc/blob - bindings/java/core/src/main/java/org/videolan/jvlc/event/MediaPlayerCallback.java

   1 /*****************************************************************************
   2  * MediaInstancePlayCallback.java: VLC Java Bindings
   3  *****************************************************************************
   4  * Copyright (C) 1998-2008 the VideoLAN team
   5  *
   6  * Authors: Filippo Carone <filippo@carone.org>
   7  *
   8  *
   9  * $Id $
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 package org.videolan.jvlc.event;
  27
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30 import org.videolan.jvlc.MediaPlayer;
  31 import org.videolan.jvlc.internal.LibVlc;
  32 import org.videolan.jvlc.internal.LibVlcEventType;
  33 import org.videolan.jvlc.internal.LibVlc.LibVlcCallback;
  34 import org.videolan.jvlc.internal.LibVlc.libvlc_event_t;
  35 import org.videolan.jvlc.internal.LibVlc.media_player_time_changed;
  36
  37 import com.sun.jna.Pointer;
  38
  39
  40 public class MediaPlayerCallback implements LibVlcCallback
  41 {
  42
  43     private MediaPlayerListener listener;
  44     private MediaPlayer mediaPlayer;
  45
  46     /**
  47      * Logger.
  48      */
  49     private Logger log = LoggerFactory.getLogger(MediaPlayerCallback.class);
  50
  51     public MediaPlayerCallback(MediaPlayer mediaInstance, MediaPlayerListener listener)
  52     {
  53         this.mediaPlayer = mediaInstance;
  54         this.listener = listener;
  55     }
  56     /**
  57      * {@inheritDoc}
  58      */
  59     public void callback(libvlc_event_t libvlc_event, Pointer userData)
  60     {
  61         if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerPlaying.ordinal())
  62         {
  63             listener.playing(mediaPlayer);
  64         }
  65         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerPaused.ordinal())
  66         {
  67             listener.paused(mediaPlayer);
  68         }
  69         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerEndReached.ordinal())
  70         {
  71             listener.endReached(mediaPlayer);
  72         }
  73         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerPositionChanged.ordinal())
  74         {
  75             listener.positionChanged(mediaPlayer);
  76         }
  77         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerStopped.ordinal())
  78         {
  79             listener.stopped(mediaPlayer);
  80         }
  81         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerTimeChanged.ordinal())
  82         {
  83             libvlc_event.event_type_specific.setType(LibVlc.media_player_time_changed.class);
  84             LibVlc.media_player_time_changed timeChanged = (media_player_time_changed) libvlc_event.event_type_specific
  85                 .readField("media_player_time_changed");
  86             listener.timeChanged(mediaPlayer, timeChanged.new_time);
  87         }
  88         else if (libvlc_event.type == LibVlcEventType.libvlc_MediaPlayerEncounteredError.ordinal())
  89         {
  90             log.warn("Media player encountered error.");
  91             listener.errorOccurred(mediaPlayer);
  92         }
  93         else
  94         {
  95             log.debug("Unsupported event error. Event id: {}", libvlc_event.type);
  96         }
  97     }
  98 }