From 0c43fce3ce032ceb9aa2177316de7ccc14d97026 Mon Sep 17 00:00:00 2001 From: Vladimir Glazounov Date: Wed, 23 Mar 2005 11:28:19 +0000 Subject: 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 --- avmedia/source/java/FrameGrabber.java | 220 ++++++++++++++++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 avmedia/source/java/FrameGrabber.java (limited to 'avmedia/source') 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 ); + } +} -- cgit