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

   1 /*****************************************************************************
   2  * MediaInstance.java: VLC Java Bindings Media Instance
   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;
  27
  28 import java.awt.Canvas;
  29 import java.util.ArrayList;
  30 import java.util.EnumSet;
  31 import java.util.List;
  32
  33 import org.videolan.jvlc.event.MediaPlayerCallback;
  34 import org.videolan.jvlc.event.MediaPlayerListener;
  35 import org.videolan.jvlc.internal.LibVlc;
  36 import org.videolan.jvlc.internal.LibVlcEventType;
  37 import org.videolan.jvlc.internal.LibVlc.LibVlcEventManager;
  38 import org.videolan.jvlc.internal.LibVlc.LibVlcMediaPlayer;
  39 import org.videolan.jvlc.internal.LibVlc.libvlc_exception_t;
  40
  41 import com.sun.jna.Native;
  42 import com.sun.jna.Platform;
  43
  44
  45 public class MediaPlayer
  46 {
  47
  48     private final LibVlcMediaPlayer instance;
  49
  50     private final LibVlc libvlc;
  51
  52     private final LibVlcEventManager eventManager;
  53
  54     private List<MediaPlayerCallback> callbacks = new ArrayList<MediaPlayerCallback>();
  55
  56     private MediaDescriptor mediaDescriptor;
  57
  58     private volatile boolean released;
  59
  60     MediaPlayer(JVLC jvlc, LibVlcMediaPlayer instance)
  61     {
  62         libvlc_exception_t exception = new libvlc_exception_t();
  63         this.instance = instance;
  64         libvlc = jvlc.getLibvlc();
  65         eventManager = libvlc.libvlc_media_player_event_manager(instance, exception);
  66     }
  67
  68     public MediaPlayer(MediaDescriptor mediaDescriptor)
  69     {
  70         libvlc_exception_t exception = new libvlc_exception_t();
  71         libvlc = mediaDescriptor.getLibvlc();
  72         instance = libvlc.libvlc_media_player_new_from_media(mediaDescriptor.getInstance(), exception);
  73         eventManager = libvlc.libvlc_media_player_event_manager(instance, exception);
  74         this.mediaDescriptor = mediaDescriptor;
  75     }
  76
  77     public MediaDescriptor getMediaDescriptor()
  78     {
  79         return mediaDescriptor;
  80     }
  81
  82     public void play()
  83     {
  84         libvlc_exception_t exception = new libvlc_exception_t();
  85         libvlc.libvlc_media_player_play(instance, exception);
  86     }
  87
  88     public void stop()
  89     {
  90         libvlc_exception_t exception = new libvlc_exception_t();
  91         libvlc.libvlc_media_player_stop(instance, exception);
  92     }
  93
  94     public void pause()
  95     {
  96         libvlc_exception_t exception = new libvlc_exception_t();
  97         libvlc.libvlc_media_player_pause(instance, exception);
  98     }
  99
 100     public long getLength()
 101     {
 102         libvlc_exception_t exception = new libvlc_exception_t();
 103         return libvlc.libvlc_media_player_get_length(instance, exception);
 104     }
 105
 106     public long getTime()
 107     {
 108         libvlc_exception_t exception = new libvlc_exception_t();
 109         return libvlc.libvlc_media_player_get_time(instance, exception);
 110     }
 111
 112     public void setTime(long time)
 113     {
 114         libvlc_exception_t exception = new libvlc_exception_t();
 115         libvlc.libvlc_media_player_set_time(instance, time, exception);
 116     }
 117
 118     public float getPosition()
 119     {
 120         libvlc_exception_t exception = new libvlc_exception_t();
 121         return libvlc.libvlc_media_player_get_position(instance, exception);
 122     }
 123
 124     public void setPosition(float position)
 125     {
 126         libvlc_exception_t exception = new libvlc_exception_t();
 127         libvlc.libvlc_media_player_set_position(instance, position, exception);
 128     }
 129
 130     public boolean willPlay()
 131     {
 132         libvlc_exception_t exception = new libvlc_exception_t();
 133         return (libvlc.libvlc_media_player_will_play(instance, exception) == 1);
 134     }
 135
 136     public float getRate()
 137     {
 138         libvlc_exception_t exception = new libvlc_exception_t();
 139         return libvlc.libvlc_media_player_get_rate(instance, exception);
 140     }
 141
 142     public void setRate(float rate)
 143     {
 144         libvlc_exception_t exception = new libvlc_exception_t();
 145         libvlc.libvlc_media_player_set_rate(instance, rate, exception);
 146     }
 147
 148     public boolean hasVideoOutput()
 149     {
 150         libvlc_exception_t exception = new libvlc_exception_t();
 151         return (libvlc.libvlc_media_player_has_vout(instance, exception) == 1);
 152     }
 153
 154     public float getFPS()
 155     {
 156         libvlc_exception_t exception = new libvlc_exception_t();
 157         return libvlc.libvlc_media_player_get_fps(instance, exception);
 158     }
 159
 160     public boolean isPlaying()
 161     {
 162         libvlc_exception_t exception = new libvlc_exception_t();
 163         return libvlc.libvlc_media_player_is_playing(instance, exception) == 1 ? true : false;
 164     }
 165
 166     public void addListener(final MediaPlayerListener listener)
 167     {
 168         MediaPlayerCallback callback = new MediaPlayerCallback(this, listener);
 169         libvlc_exception_t exception = new libvlc_exception_t();
 170         for (LibVlcEventType event : EnumSet.range(
 171             LibVlcEventType.libvlc_MediaPlayerPlaying,
 172             LibVlcEventType.libvlc_MediaPlayerTimeChanged))
 173         {
 174             libvlc.libvlc_event_attach(eventManager, event.ordinal(), callback, null, exception);
 175         }
 176         callbacks.add(callback);
 177     }
 178
 179     public void setParent(Canvas canvas)
 180     {
 181         long drawable = Native.getComponentID(canvas);
 182         libvlc_exception_t exception = new libvlc_exception_t();
 183         if (Platform.isWindows())
 184         {
 185             libvlc.libvlc_media_player_set_hwnd(instance, drawable, exception);
 186         }
 187         else
 188         {
 189             libvlc.libvlc_media_player_set_xwindow(instance, drawable, exception);
 190         }
 191     }
 192
 193     /**
 194      * {@inheritDoc}
 195      */
 196     @Override
 197     protected void finalize() throws Throwable
 198     {
 199         release();
 200         super.finalize();
 201     }
 202
 203     public void release()
 204     {
 205         if (released)
 206         {
 207             return;
 208         }
 209         released = true;
 210
 211         libvlc_exception_t exception = new libvlc_exception_t();
 212         for (MediaPlayerCallback callback : callbacks)
 213         {
 214             for (LibVlcEventType event : EnumSet.range(
 215                 LibVlcEventType.libvlc_MediaPlayerPlaying,
 216                 LibVlcEventType.libvlc_MediaPlayerPositionChanged))
 217             {
 218                 libvlc.libvlc_event_detach(eventManager, event.ordinal(), callback, null, exception);
 219             }
 220         }
 221         libvlc.libvlc_media_player_release(instance);
 222
 223     }
 224
 225     /**
 226      * Returns the instance.
 227      * @return the instance
 228      */
 229     LibVlcMediaPlayer getInstance()
 230     {
 231         return instance;
 232     }
 233
 234 }