| /* |
| * 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.openmeetings.converter; |
| |
| import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.openmeetings.db.dao.basic.ConfigurationDao; |
| import org.apache.openmeetings.util.process.ConverterProcessResult; |
| import org.apache.openmeetings.util.process.ProcessHelper; |
| import org.red5.logging.Red5LoggerFactory; |
| import org.slf4j.Logger; |
| import org.springframework.beans.factory.annotation.Autowired; |
| |
| public class GenerateSWF { |
| |
| public static final Logger log = Red5LoggerFactory.getLogger(GenerateSWF.class, webAppRootKey); |
| |
| @Autowired |
| private ConfigurationDao configurationDao; |
| |
| public final static boolean isPosix = System.getProperty("os.name").toUpperCase().indexOf("WINDOWS") == -1; |
| |
| public final static String execExt = isPosix ? "" : ".exe"; |
| |
| private String getPathToSwfTools() { |
| String pathToSWFTools = configurationDao.getConfValue("swftools_path", String.class, ""); |
| // If SWFTools Path is not blank a File.separator at the end of the path |
| // is needed |
| if (!"".equals(pathToSWFTools) && !pathToSWFTools.endsWith(File.separator)) { |
| pathToSWFTools = pathToSWFTools + File.separator; |
| } |
| return pathToSWFTools; |
| } |
| |
| private String getSwfZoom() { |
| String valueForSwfZoom = configurationDao.getConfValue("swftools_zoom", String.class, ""); |
| // WARNING CODE NOT COMPLETE: If SWFTools zoom (dpi) should be an integer between 50 and 600 with a default value of 100 dpi |
| if ("".equals(valueForSwfZoom)) { |
| valueForSwfZoom = "72"; |
| } |
| return valueForSwfZoom; |
| } |
| |
| private String getSwfJpegQuality() { |
| String valueForSwfJpegQuality = configurationDao.getConfValue("swftools_jpegquality", String.class, ""); |
| // WARNING CODE NOT COMPLETE: If SWFTools JPEG Quality should be an integer between 1 and 100, with a default value of 85 |
| if ("".equals(valueForSwfJpegQuality)) { |
| valueForSwfJpegQuality = "85"; |
| } |
| return valueForSwfJpegQuality; |
| } |
| |
| public ConverterProcessResult generateSwf(File originalFolder, File destinationFolder, String fileNamePure) throws IOException { |
| |
| // Create the Content of the Converter Script (.bat or .sh File) |
| String[] argv = new String[] { |
| getPathToSwfTools() + "pdf2swf" + execExt, "-s", |
| "insertstop", // insert Stop command into every frame |
| "-s","poly2bitmap", //http://www.swftools.org/gfx_tutorial.html#Rendering_pages_to_SWF_files |
| "-i", // change draw order to reduce pdf complexity |
| "-j", "" + getSwfJpegQuality(), // JPEG Quality |
| "-s", "zoom=" + getSwfZoom(), // set zoom dpi |
| new File(originalFolder, fileNamePure + ".pdf").getCanonicalPath(), |
| new File(destinationFolder, fileNamePure + ".swf").getCanonicalPath() }; |
| |
| return ProcessHelper.executeScript("generateSwf", argv); |
| } |
| |
| /** |
| * Generates an SWF from the list of files. |
| */ |
| public ConverterProcessResult generateSwfByImages(List<String> images, String outputfile, int fps) { |
| List<String> argvList = Arrays.asList(new String[] { |
| getPathToSwfTools() + "png2swf" + execExt, "-s", |
| "insertstop", // Insert Stop command into every frame |
| "-o", outputfile, "-r", Integer.toString(fps), "-z" }); |
| |
| argvList.addAll(images); |
| return ProcessHelper.executeScript("generateSwfByImages", argvList.toArray(new String[0])); |
| } |
| |
| /** |
| * Combines a bunch of SWFs into one SWF by concatenate. |
| */ |
| public ConverterProcessResult generateSWFByCombine(List<String> swfs, String outputswf, int fps) { |
| List<String> argvList = Arrays.asList(new String[] { |
| getPathToSwfTools() + "swfcombine" + execExt, "-s", |
| "insertstop", // Insert Stop command into every frame |
| "-o", outputswf, "-r", Integer.toString(fps), "-z", "-a" }); |
| |
| argvList.addAll(swfs); |
| return ProcessHelper.executeScript("generateSWFByCombine", argvList.toArray(new String[0])); |
| } |
| |
| public ConverterProcessResult generateSWFByFFMpeg(String inputWildCard, |
| String outputswf, int fps, int width, int height) { |
| // FIXME: ffmpeg should be on the system path |
| String[] argv = new String[] { "ffmpeg" + execExt, "-r", |
| Integer.toString(fps), "-i", inputWildCard, "-s", |
| width + "x" + height, "-b", "750k", "-ar", "44100", "-y", |
| outputswf }; |
| |
| return ProcessHelper.executeScript("generateSWFByFFMpeg", argv); |
| } |
| |
| } |