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());
    }
   }
 
 }