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 2016-02-06 22:23:47 +00:00
parent ce22cc44c4
commit 2aa39f5bdb

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