java调用ffmpeg实现转换视频

package vedio.ffmpeg;import java.io.File;import java.util.ArrayList;import java.util.List; public class FfmpegUtil { public static Boolean ffmpeg(StringffmpegPath, String inputPath, String outputPath) throwsFFmpegException{ if (!checkfile(inputPath)) {throw newFFmpegException("文件格式不合法");} int type =checkContentType(inputPath);List command = getFfmpegCommand(type,ffmpegPath, inputPath, outputPath);if (null != command &&command.size() > 0) {return process(command); }return false;} private static int checkContentType(StringinputPath) {String type =inputPath.substring(inputPath.lastIndexOf(".") + 1,inputPath.length()).toLowerCase();//ffmpeg能解析的格式：（asx，asf，mpg，wmv，3gp，mp4，mov，avi，flv等）if (type.equals("avi")) {return 1;} else if (type.equals("mpg")){return 1;} else if (type.equals("wmv")){return 1;} else if (type.equals("3gp")){return 1;} else if (type.equals("mov")){return 1;} else if (type.equals("mp4")){return 1;} else if(type.equals("mkv")){return 1;}else if (type.equals("asf")){return 0;} else if (type.equals("flv")){return 0;}else if (type.equals("rm")){return 0;} else if (type.equals("rmvb")){return 1;}return 9;} private static boolean checkfile(Stringpath) {File file = new File(path);if (!file.isFile()) {return false;}return true;} private static boolean process(Listcommand) throws FFmpegException{ try { if (null == command || command.size() ==0)return false;Process videoProcess = newProcessBuilder(command).redirectErrorStream(true).start(); newPrintStream(videoProcess.getErrorStream()).start(); newPrintStream(videoProcess.getInputStream()).start(); int exitcode =videoProcess.waitFor(); if (exitcode == 1) {return false;}return true;} catch (Exception e) {throw new FFmpegException("file uploadfailed",e);} } private static List getFfmpegCommand(inttype, String ffmpegPath, String oldfilepath, String outputPath)throws FFmpegException {List command = newArrayList();if (type == 1) {command.add(ffmpegPath +"//ffmpeg");command.add("-i");command.add(oldfilepath);command.add("-c:v");command.add("libx264");command.add("-x264opts");command.add("force-cfr=1");command.add("-c:a");command.add("mp2");command.add("-b:a");command.add("256k");command.add("-vsync");command.add("cfr");command.add("-f");command.add("mpegts");command.add(outputPath);} else if(type==0){command.add(ffmpegPath +"//ffmpeg");command.add("-i");command.add(oldfilepath);command.add("-c:v");command.add("libx264");command.add("-x264opts");command.add("force-cfr=1");command.add("-vsync");command.add("cfr");command.add("-vf");command.add("idet,yadif=deint=interlaced");command.add("-filter_complex");command.add("aresample=async=1000");command.add("-c:a");command.add("libmp3lame");command.add("-b:a");command.add("192k");command.add("-pix_fmt");command.add("yuv420p");command.add("-f");command.add("mpegts");command.add(outputPath);}else{throw newFFmpegException("不支持当前上传的文件格式");}return command;}} class PrintStream extends Thread{java.io.InputStream __is =null; public PrintStream(java.io.InputStream is){__is = is;} public void run() {try {while (this != null) {int _ch = __is.read();if (_ch == -1) {break;} else {System.out.print((char) _ch);} }} catch (Exception e) {e.printStackTrace();}}}

package vedio.ffmpeg; public class ConvertVedio {public static void convertVedio(StringinputPath){String ffmpegPath =getFfmpegPath();String outputPath =getOutputPath(inputPath);try {FfmpegUtil.ffmpeg(ffmpegPath, inputPath,outputPath);} catch (FFmpegException e) {e.printStackTrace();} } private static String getFfmpegPath(){return "ffmpeg";} private static String getOutputPath(StringinputPath) {return inputPath.substring(0,inputPath.lastIndexOf(".")).toLowerCase() + ".ts";}}

package vedio.ffmpeg; public class FFmpegException extendsException { private static final long serialVersionUID= 1L; public FFmpegException() {super();} public FFmpegException(String message){super(message);} public FFmpegException(Throwable cause){super(cause);} public FFmpegException(String message,Throwable cause) {super(message, cause);}}

importcom.xuggle.xuggler.ICodec;importcom.xuggle.xuggler.IContainer;importcom.xuggle.xuggler.IStream;importcom.xuggle.xuggler.IStreamCoder; */ public static void getVedioInfo(String filename){     // first we create a Xuggler containerobject   IContainer container =IContainer.make();    // we attempt to open up thecontainer   int result = container.open(filename,IContainer.Type.READ, null);    // check if the operation wassuccessful   if (result<0)    return;      // query how many streams the call to openfound   int numStreams =container.getNumStreams();   // query for the total duration   long duration =container.getDuration();   // query for the file size   long fileSize =container.getFileSize();   long secondDuration =duration/1000000;      System.out.println("时长："+secondDuration+"秒");   System.out.println("文件大小:"+fileSize+"M");       for (int i=0; i    IStreamstream = container.getStream(i);    IStreamCoder coder = stream.getStreamCoder();    if(coder.getCodecType() == ICodec.Type.CODEC_TYPE_VIDEO){    System.out.println("视频宽度："+coder.getWidth());     System.out.println("视频高度："+coder.getHeight());    }   }  }