1 files changed, 270 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/sound/sampled/gstreamer/GStreamerMixer.java b/libjava/classpath/gnu/javax/sound/sampled/gstreamer/GStreamerMixer.java
new file mode 100644
index 00000000000..b32db0f353c
--- /dev/null
+++ b/libjava/classpath/gnu/javax/sound/sampled/gstreamer/GStreamerMixer.java
@@ -0,0 +1,270 @@
+/* GStreamerMixer.java -- Mixer implementation.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.javax.sound.sampled.gstreamer;
+
+import java.awt.AWTPermission;
+
+import gnu.javax.sound.sampled.gstreamer.lines.GstSourceDataLine;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioPermission;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Control;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.Line;
+import javax.sound.sampled.LineListener;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.SourceDataLine;
+import javax.sound.sampled.Control.Type;
+import javax.sound.sampled.Line.Info;
+
+/**
+ * @author Mario Torre <neugens@limasoftware.net>
+ */
+public class GStreamerMixer
+    implements Mixer
+{
+  public static class GstInfo extends Info
+  {
+    /* Mixer Properties */
+    
+    /** Name */
+    private static final String name = "Classpath GStreamer Sound Audio Engine";
+    
+    /** Vendor */
+    private static final String vendor = "GNU Classpath";
+    
+    /** Description */
+    private static final String desc = "GStreamer-based software mixer";
+    
+    /** Version */
+    private static final String vers = "0.0.1";
+    
+    protected GstInfo()
+    {
+      super(name, vendor, desc, vers);
+    }
+  }
+  
+  public static final String GST_BACKEND = GstInfo.name;
+  public static final String GST_DECODER = "decoder";
+  
+  private static AudioFormat[] BASIC_FORMATS =
+  {
+     new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     true),
+
+     new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     AudioSystem.NOT_SPECIFIED,
+                     false),
+  };
+  
+  /** Mixer Info */
+  private static final Mixer.Info INFO = new GStreamerMixer.GstInfo();
+
+  public Line getLine(Line.Info info)
+      throws LineUnavailableException
+  {
+    // get all the lines formats supported by this mixer and
+    // and see if there is one matching the given line
+    // if the format comes from the gstreamer backend 
+    // gstreamer will be able to deal with it
+    Class clazz = info.getLineClass();
+    DataLine.Info _info = (DataLine.Info) info;
+    
+    if (clazz == SourceDataLine.class)
+      {
+        for (AudioFormat format : _info.getFormats())
+          {
+            // see if we are a gstreamer child :)
+            if (format.properties().containsKey(GST_BACKEND));
+              {
+                // we got it
+                return new GstSourceDataLine(format);
+              }
+          }
+      }
+   
+    // TODO: we also support basic PCM
+    
+    throw new LineUnavailableException("Cannot open a line");
+  }
+
+  public int getMaxLines(Line.Info info)
+  {
+    // TODO
+    return 1;
+  }
+
+  public Info getMixerInfo()
+  {
+    return INFO;
+  }
+
+  public javax.sound.sampled.Line.Info[] getSourceLineInfo()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public Line.Info[] getSourceLineInfo(Line.Info info)
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public Line[] getSourceLines()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public javax.sound.sampled.Line.Info[] getTargetLineInfo()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public Line.Info[] getTargetLineInfo(Line.Info info)
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public Line[] getTargetLines()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public boolean isLineSupported(Line.Info info)
+  {
+    // We support any kind of mixer that comes 
+    // from our gstreamer backend.
+    // In addition, we support PCM based audio streams for
+    // direct playback.
+    if (info instanceof DataLine.Info)
+      {
+        DataLine.Info _dinfo = (DataLine.Info) info;
+        _dinfo.getFormats();
+      }
+    
+    return true;
+  }
+
+  public boolean isSynchronizationSupported(Line[] lines, boolean sync)
+  {
+    // TODO Auto-generated method stub
+    return false;
+  }
+
+  public void synchronize(Line[] lines, boolean sync)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  public void unsynchronize(Line[] lines)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  public void addLineListener(LineListener listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  public void close()
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  public Control getControl(Type what)
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public Control[] getControls()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public javax.sound.sampled.Line.Info getLineInfo()
+  {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  public boolean isControlSupported(Type what)
+  {
+    // TODO Auto-generated method stub
+    return false;
+  }
+ 
+  public boolean isOpen()
+  {
+    // TODO Auto-generated method stub
+    return false;
+  }
+
+  public void open() throws LineUnavailableException
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  public void removeLineListener(LineListener listener)
+  {
+    // TODO Auto-generated method stub
+  }
+}