Add example for adding videos
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1728888 13f79535-47bb-0310-9956-ffa450edef68
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Andreas Beeker
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/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.apache.poi.xslf.usermodel;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.URL;
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import java.text.DecimalFormat;
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import javax.imageio.ImageIO;
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import javax.xml.namespace.QName;
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import org.apache.poi.openxml4j.opc.PackagePart;
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import org.apache.poi.openxml4j.opc.PackagePartName;
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import org.apache.poi.openxml4j.opc.PackageRelationship;
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import org.apache.poi.openxml4j.opc.PackagingURIHelper;
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import org.apache.poi.openxml4j.opc.TargetMode;
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import org.apache.poi.sl.usermodel.PictureData.PictureType;
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import org.apache.xmlbeans.XmlCursor;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTHyperlink;
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import org.openxmlformats.schemas.officeDocument.x2006.relationships.STRelationshipId;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTApplicationNonVisualDrawingProps;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTExtension;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTPicture;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTSlide;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTTLCommonMediaNodeData;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTTLCommonTimeNodeData;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTTimeNodeList;
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import org.openxmlformats.schemas.presentationml.x2006.main.STTLTimeIndefinite;
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import org.openxmlformats.schemas.presentationml.x2006.main.STTLTimeNodeFillType;
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import org.openxmlformats.schemas.presentationml.x2006.main.STTLTimeNodeRestartType;
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import org.openxmlformats.schemas.presentationml.x2006.main.STTLTimeNodeType;
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import com.xuggle.mediatool.IMediaReader;
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import com.xuggle.mediatool.MediaListenerAdapter;
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import com.xuggle.mediatool.ToolFactory;
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import com.xuggle.mediatool.event.IVideoPictureEvent;
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import com.xuggle.xuggler.Global;
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import com.xuggle.xuggler.IContainer;
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import com.xuggle.xuggler.io.InputOutputStreamHandler;
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/**
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* Adding multiple videos to a slide
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*
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* need the Xuggler 5.4 jars:
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* <repositories>
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* <repository>
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* <id>xuggle repo</id>
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* <url>http://xuggle.googlecode.com/svn/trunk/repo/share/java/</url>
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* </repository>
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* </repositories>
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* ...
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* <dependency>
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* <groupId>xuggle</groupId>
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* <artifactId>xuggle-xuggler</artifactId>
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* <version>5.4</version>
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* </dependency>
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*
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* @see <a href="http://stackoverflow.com/questions/15197300/apache-poi-xslf-adding-movie-to-the-slide">Apache POI XSLF Adding movie to the slide</a>
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* @see <a href="http://apache-poi.1045710.n5.nabble.com/Question-about-embedded-video-in-PPTX-files-tt5718461.html">Question about embedded video in PPTX files</a>
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*/
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public class AddVideoToPptx {
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static DecimalFormat df_time = new DecimalFormat("0.####");
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public static void main(String[] args) throws Exception {
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URL video = new URL("http://archive.org/download/test-mpeg/test-mpeg.mpg");
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// URL video = new URL("file:test-mpeg.mpg");
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XMLSlideShow pptx = new XMLSlideShow();
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// add video file
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String videoFileName = video.getPath().substring(video.getPath().lastIndexOf('/')+1);
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PackagePartName partName = PackagingURIHelper.createPartName("/ppt/media/"+videoFileName);
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PackagePart part = pptx.getPackage().createPart(partName, "video/mpeg");
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OutputStream partOs = part.getOutputStream();
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InputStream fis = video.openStream();
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byte buf[] = new byte[1024];
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for (int readBytes; (readBytes = fis.read(buf)) != -1; partOs.write(buf, 0, readBytes));
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fis.close();
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partOs.close();
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XSLFSlide slide1 = pptx.createSlide();
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XSLFPictureShape pv1 = addPreview(pptx, slide1, part, 5, 50, 50);
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addVideo(pptx, slide1, part, pv1, 5);
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addTimingInfo(slide1, pv1);
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XSLFPictureShape pv2 = addPreview(pptx, slide1, part, 9, 50, 250);
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addVideo(pptx, slide1, part, pv2, 9);
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addTimingInfo(slide1, pv2);
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FileOutputStream fos = new FileOutputStream("pptx-with-video.pptx");
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pptx.write(fos);
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fos.close();
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pptx.close();
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}
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static XSLFPictureShape addPreview(XMLSlideShow pptx, XSLFSlide slide1, PackagePart videoPart, double seconds, int x, int y) throws IOException {
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// get preview after 5 sec.
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IContainer ic = IContainer.make();
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InputOutputStreamHandler iosh = new InputOutputStreamHandler(videoPart.getInputStream());
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if (ic.open(iosh, IContainer.Type.READ, null) < 0) return null;
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IMediaReader mediaReader = ToolFactory.makeReader(ic);
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// stipulate that we want BufferedImages created in BGR 24bit color space
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mediaReader.setBufferedImageTypeToGenerate(BufferedImage.TYPE_3BYTE_BGR);
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ImageSnapListener isl = new ImageSnapListener(seconds);
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mediaReader.addListener(isl);
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// read out the contents of the media file and
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// dispatch events to the attached listener
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while (!isl.hasFired && mediaReader.readPacket() == null) ;
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mediaReader.close();
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ic.close();
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// add snapshot
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BufferedImage image1 = isl.image;
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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ImageIO.write(image1, "jpeg", bos);
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XSLFPictureData snap = pptx.addPicture(bos.toByteArray(), PictureType.JPEG);
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XSLFPictureShape pic1 = slide1.createPicture(snap);
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pic1.setAnchor(new Rectangle(x, y, image1.getWidth(), image1.getHeight()));
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return pic1;
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}
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static void addVideo(XMLSlideShow pptx, XSLFSlide slide1, PackagePart videoPart, XSLFPictureShape pic1, double seconds) throws IOException {
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// add video shape
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PackagePartName partName = videoPart.getPartName();
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PackageRelationship prsEmbed1 = slide1.getPackagePart().addRelationship(partName, TargetMode.INTERNAL, "http://schemas.microsoft.com/office/2007/relationships/media");
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PackageRelationship prsExec1 = slide1.getPackagePart().addRelationship(partName, TargetMode.INTERNAL, "http://schemas.openxmlformats.org/officeDocument/2006/relationships/video");
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CTPicture xpic1 = (CTPicture)pic1.getXmlObject();
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CTHyperlink link1 = xpic1.getNvPicPr().getCNvPr().addNewHlinkClick();
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link1.setId("");
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link1.setAction("ppaction://media");
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// add video relation
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CTApplicationNonVisualDrawingProps nvPr = xpic1.getNvPicPr().getNvPr();
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nvPr.addNewVideoFile().setLink(prsExec1.getId());
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CTExtension ext = nvPr.addNewExtLst().addNewExt();
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// see http://msdn.microsoft.com/en-us/library/dd950140(v=office.12).aspx
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ext.setUri("{DAA4B4D4-6D71-4841-9C94-3DE7FCFB9230}");
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String p14Ns = "http://schemas.microsoft.com/office/powerpoint/2010/main";
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XmlCursor cur = ext.newCursor();
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cur.toEndToken();
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cur.beginElement(new QName(p14Ns, "media", "p14"));
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cur.insertNamespace("p14", p14Ns);
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cur.insertAttributeWithValue(new QName(STRelationshipId.type.getName().getNamespaceURI(), "embed"), prsEmbed1.getId());
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cur.beginElement(new QName(p14Ns, "trim", "p14"));
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cur.insertAttributeWithValue("st", df_time.format(seconds*1000.0));
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cur.dispose();
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}
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static void addTimingInfo(XSLFSlide slide1, XSLFPictureShape pic1) {
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// add slide timing information, so video can be controlled
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CTSlide xslide = slide1.getXmlObject();
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CTTimeNodeList ctnl;
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if (!xslide.isSetTiming()) {
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CTTLCommonTimeNodeData ctn = xslide.addNewTiming().addNewTnLst().addNewPar().addNewCTn();
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ctn.setDur(STTLTimeIndefinite.INDEFINITE);
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ctn.setRestart(STTLTimeNodeRestartType.NEVER);
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ctn.setNodeType(STTLTimeNodeType.TM_ROOT);
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ctnl = ctn.addNewChildTnLst();
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} else {
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ctnl = xslide.getTiming().getTnLst().getParArray(0).getCTn().getChildTnLst();
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}
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CTTLCommonMediaNodeData cmedia = ctnl.addNewVideo().addNewCMediaNode();
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cmedia.setVol(80000);
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CTTLCommonTimeNodeData ctn = cmedia.addNewCTn();
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ctn.setFill(STTLTimeNodeFillType.HOLD);
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ctn.setDisplay(false);
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ctn.addNewStCondLst().addNewCond().setDelay(STTLTimeIndefinite.INDEFINITE);
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cmedia.addNewTgtEl().addNewSpTgt().setSpid(""+pic1.getShapeId());
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}
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static class ImageSnapListener extends MediaListenerAdapter {
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final double SECONDS_BETWEEN_FRAMES;
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final long MICRO_SECONDS_BETWEEN_FRAMES;
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boolean hasFired = false;
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BufferedImage image = null;
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// The video stream index, used to ensure we display frames from one and
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// only one video stream from the media container.
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int mVideoStreamIndex = -1;
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// Time of last frame write
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long mLastPtsWrite = Global.NO_PTS;
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public ImageSnapListener(double seconds) {
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SECONDS_BETWEEN_FRAMES = seconds;
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MICRO_SECONDS_BETWEEN_FRAMES =
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(long)(Global.DEFAULT_PTS_PER_SECOND * SECONDS_BETWEEN_FRAMES);
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}
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@Override
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public void onVideoPicture(IVideoPictureEvent event) {
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if (event.getStreamIndex() != mVideoStreamIndex) {
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// if the selected video stream id is not yet set, go ahead an
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// select this lucky video stream
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if (mVideoStreamIndex != -1) return;
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mVideoStreamIndex = event.getStreamIndex();
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}
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long evtTS = event.getTimeStamp();
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// if uninitialized, back date mLastPtsWrite to get the very first frame
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if (mLastPtsWrite == Global.NO_PTS)
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mLastPtsWrite = Math.max(0, evtTS - MICRO_SECONDS_BETWEEN_FRAMES);
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// if it's time to write the next frame
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if (evtTS - mLastPtsWrite >= MICRO_SECONDS_BETWEEN_FRAMES) {
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if (!hasFired) {
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image = event.getImage();
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hasFired = true;
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}
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// update last write time
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mLastPtsWrite += MICRO_SECONDS_BETWEEN_FRAMES;
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}
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}
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}
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}
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