INTEGRATION: CWS jmf5 (1.1.2); FILE ADDED

2004/12/23 15:14:13 ka 1.1.2.2: added FrameGrabber
2004/12/23 15:07:39 ka 1.1.2.1: initial revision

1 files changed, 220 insertions, 0 deletions

diff --git a/avmedia/source/java/FrameGrabber.java b/avmedia/source/java/FrameGrabber.java
new file mode 100644
index 000000000000..bc4dff622e3d
--- /dev/null
+++ b/avmedia/source/java/FrameGrabber.java
@@ -0,0 +1,220 @@
+/*************************************************************************
+ *
+ *  $RCSfile: FrameGrabber.java,v $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.uno.XComponentContext;
+import com.sun.star.uno.AnyConverter;
+import com.sun.star.uno.IQueryInterface;
+import com.sun.star.lang.XInitialization;
+import com.sun.star.lang.XEventListener;
+import com.sun.star.awt.*;
+import com.sun.star.media.*;
+import com.sun.star.graphic.*;
+
+// -----------------
+// - Player Window -
+// -----------------
+
+public class FrameGrabber implements com.sun.star.lang.XServiceInfo,
+                                     com.sun.star.media.XFrameGrabber
+{
+    private com.sun.star.lang.XMultiServiceFactory maFactory = null;
+    private javax.media.Player maPlayer = null;
+    private javax.media.control.FrameGrabbingControl maFrameGrabbingControl = null;
+
+    // -------------------------------------------------------------------------
+
+    public FrameGrabber( com.sun.star.lang.XMultiServiceFactory aFactory, String aURL )
+    {
+        maFactory = aFactory;
+
+        try
+        {
+            maPlayer = javax.media.Manager.createRealizedPlayer( new java.net.URL( aURL ) );
+        }
+        catch( java.net.MalformedURLException e )
+        {
+        }
+        catch( java.io.IOException e )
+        {
+        }
+        catch( javax.media.NoPlayerException e )
+        {
+        }
+        catch( javax.media.CannotRealizeException e )
+        {
+        }
+        catch( java.lang.Exception e )
+        {
+        }
+
+        if( maPlayer != null )
+        {
+            maFrameGrabbingControl = (javax.media.control.FrameGrabbingControl) maPlayer.getControl(
+                                        "javax.media.control.FrameGrabbingControl" );
+        }
+    }
+
+    // -------------------------------------------------------------------------
+
+    public com.sun.star.graphic.XGraphic implImageToXGraphic( java.awt.Image aImage )
+    {
+        com.sun.star.graphic.XGraphic aRet = null;
+
+        if( maFactory != null && aImage != null )
+        {
+            if( aImage instanceof java.awt.image.BufferedImage )
+            {
+                java.io.File aTempFile = null;
+
+                try
+                {
+                    aTempFile = java.io.File.createTempFile( "sv0", ".png" );
+
+                    if( aTempFile.canWrite() )
+                    {
+                        javax.imageio.ImageIO.write( (java.awt.image.BufferedImage) aImage, "png", aTempFile );
+
+                        com.sun.star.graphic.XGraphicProvider aProvider =
+                            (com.sun.star.graphic.XGraphicProvider) UnoRuntime.queryInterface(
+                                com.sun.star.graphic.XGraphicProvider.class,
+                                maFactory.createInstance("com.sun.star.graphic.GraphicProvider") );
+
+                        if( aProvider != null )
+                        {
+                            com.sun.star.beans.PropertyValue[] aArgs = new com.sun.star.beans.PropertyValue[ 1 ];
+
+                            aArgs[ 0 ] = new com.sun.star.beans.PropertyValue();
+                            aArgs[ 0 ].Name = "URL";
+                            aArgs[ 0 ].Value = "file://" + aTempFile.toString();
+
+                            aRet = aProvider.queryGraphic( aArgs );
+                        }
+                    }
+                }
+                catch( java.lang.IllegalArgumentException aExcp )
+                {
+                }
+                catch( java.io.IOException aExcp )
+                {
+                }
+                catch( com.sun.star.uno.Exception aExcp )
+                {
+                }
+
+                if( aTempFile != null )
+                    aTempFile.delete();
+            }
+        }
+
+        return aRet;
+    }
+
+    // -----------------
+    // - XFrameGrabber -
+    // -----------------
+
+    public synchronized com.sun.star.graphic.XGraphic grabFrame( double fMediaTime )
+    {
+        com.sun.star.graphic.XGraphic aRet = null;
+
+        if( maFrameGrabbingControl != null )
+        {
+            if( fMediaTime >= 0.0 && fMediaTime <= maPlayer.getDuration().getSeconds() )
+            {
+                maPlayer.setMediaTime( new javax.media.Time( fMediaTime ) );
+
+                javax.media.Buffer aBuffer = maFrameGrabbingControl.grabFrame();
+
+                if( aBuffer != null && aBuffer.getFormat() instanceof javax.media.format.VideoFormat )
+                {
+                    aRet = implImageToXGraphic( new javax.media.util.BufferToImage(
+                                                    (javax.media.format.VideoFormat) aBuffer.getFormat() ).
+                                                        createImage( aBuffer ) );
+                }
+            }
+        }
+
+        return aRet;
+    }
+
+    // ----------------
+    // - XServiceInfo -
+    // ----------------
+
+    private static final String s_implName = "com.sun.star.comp.FrameGrabber_Java";
+    private static final String s_serviceName = "com.sun.star.media.FrameGrabber_Java";
+
+    public synchronized String getImplementationName()
+    {
+        return s_implName;
+    }
+
+    // -------------------------------------------------------------------------
+
+    public synchronized String [] getSupportedServiceNames()
+    {
+        return new String [] { s_serviceName };
+    }
+
+    // -------------------------------------------------------------------------
+
+    public synchronized boolean supportsService( String serviceName )
+    {
+        return serviceName.equals( s_serviceName );
+    }
+}