Source Code Cross Referenced for J3DPullBufferDataSource.java in  » 6.0-JDK-Modules » java-3d » com » db » media » out » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » java 3d » com.db.media.out 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *
003:         * Copyright (c) 2000 Silvere Martin-Michiellot All Rights Reserved.
004:         *
005:         * Silvere Martin-Michiellot grants you ("Licensee") a non-exclusive,
006:         * royalty free, license to use, modify and redistribute this
007:         * software in source and binary code form,
008:         * provided that i) this copyright notice and license appear on all copies of
009:         * the software; and ii) Licensee does not utilize the software in a manner
010:         * which is disparaging to Silvere Martin-Michiellot.
011:         *
012:         * This software is provided "AS IS," without a warranty of any kind. ALL
013:         * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
014:         * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
015:         * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. Silvere Martin-Michiellot
016:         * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
017:         * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
018:         * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
019:         * Silvere Martin-Michiellot OR ITS LICENSORS BE LIABLE
020:         * FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
021:         * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
022:         * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
023:         * OR INABILITY TO USE SOFTWARE, EVEN IF Silvere Martin-Michiellot HAS BEEN
024:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
025:         *
026:         * This software is not designed or intended for use in on-line control of
027:         * aircraft, air traffic, aircraft navigation or aircraft communications; or in
028:         * the design, construction, operation or maintenance of any nuclear
029:         * facility. Licensee represents and warrants that it will not use or
030:         * redistribute the Software for such purposes.
031:         *
032:         *
033:         */
034:
035:        package com.db.media.out;
036:
037:        import java.io.IOException;
038:        import javax.media.Duration;
039:        import javax.media.Time;
040:        import javax.media.protocol.PullBufferDataSource;
041:        import javax.media.protocol.PullBufferStream;
042:        import javax.media.util.ImageToBuffer;
043:        import java.awt.image.BufferedImage;
044:        import java.awt.Dimension;
045:        import javax.media.j3d.*;
046:
047:        /*
048:         *
049:         */
050:
051:        public class J3DPullBufferDataSource extends PullBufferDataSource {
052:
053:            private BufferedImage bufferedImage;
054:            private ImageComponent2D imageComponent2D;
055:            private Canvas3D canvas3D;
056:            private ImageToBuffer imageToBuffer;
057:
058:            private final static float DEFAULT_FRAME_RATE = 25;
059:            private float frameRate = DEFAULT_FRAME_RATE;
060:
061:            J3DPullBufferDataSource() {
062:
063:                throw new java.lang.IllegalArgumentException(
064:                        "Constructor J3DPullDataSource needs a Canvas3D and Dimension.");
065:
066:            }
067:
068:            //only an offscreen canvas should be used isOffScreen()
069:            J3DPullBufferDataSource(Canvas3D canvas3D, Dimension dimension) {
070:
071:                super ();
072:                if (canvas3D.isOffScreen()) {
073:                    this .canvas3D = canvas3D;
074:                    bufferedImage = new BufferedImage(dimension.width,
075:                            dimension.height, BufferedImage.TYPE_INT_ARGB);
076:                    imageComponent2D = new ImageComponent2D(
077:                            ImageComponent.FORMAT_RGBA, bufferedImage);
078:
079:                    this .canvas3D.setOffScreenBuffer(imageComponent2D);
080:                    imageToBuffer = new ImageToBuffer();
081:                } else {
082:                    throw new java.lang.IllegalArgumentException(
083:                            "Only offscreen Canvas3D are allowed as J3DPullDataSource.");
084:                }
085:
086:            }
087:
088:            public void connect() {
089:
090:            }
091:
092:            public void disconnect() {
093:
094:            }
095:
096:            public float getFrameRate() {
097:
098:                return this .frameRate;
099:
100:            }
101:
102:            public java.lang.String getContentType() {
103:
104:                return new String("video.quicktime");
105:                //following line can't work until there is a way to cupture Audio
106:                //by the way it would be useful to make two classes out of this one
107:                //one for audio and one for video
108:                //return new String ("audio.x-wav");
109:
110:            }
111:
112:            public java.lang.Object getControl(java.lang.String controlName) {
113:
114:                return null;
115:
116:            }
117:
118:            public java.lang.Object[] getControls() {
119:
120:                Object[] objects;
121:
122:                objects = new Object[0];
123:
124:                return objects;
125:
126:            }
127:
128:            public Time getDuration() {
129:
130:                return Duration.DURATION_UNKNOWN;
131:
132:            }
133:
134:            public PullBufferStream[] getStreams() {
135:
136:                J3DPullBufferSourceStream[] j3DPullBufferSourceStreams = new J3DPullBufferSourceStream[1];
137:
138:                bufferedImage = canvas3D.getOffScreenBuffer().getImage();
139:                //There is currentely NO WAY OF CAPTURING SOUND rendered by the Java3D system.
140:
141:                j3DPullBufferSourceStreams[0] = new J3DPullBufferSourceStream(
142:                        imageToBuffer.createBuffer(bufferedImage, frameRate));
143:
144:                //prepare next image
145:                canvas3D.renderOffScreenBuffer();
146:                canvas3D.waitForOffScreenRendering();
147:
148:                return j3DPullBufferSourceStreams;
149:
150:            }
151:
152:            //please do a canvas3D.startRenderer() be fore using this
153:            public void start() {
154:
155:                canvas3D.renderOffScreenBuffer();
156:                canvas3D.waitForOffScreenRendering();
157:                //There is currentely NO WAY OF CAPTURING SOUND rendered by the Java3D system.
158:
159:            }
160:
161:            public void stop() {
162:
163:            }
164:
165:        }
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