JAVA调用FFMpeg进行转码等操作

直接上代码：

public abstract class FFmpegUtils {

    FFmpegUtils ffmpegUtils;
    
    int timeLengthSec = 1;
    
    String timeLength = "";
    
    Pattern pattern = Pattern.compile("Duration: (.*?), start: (.*?), bitrate: (\\d*) kb\\/s");
    String frameRegexDuration = "size=([\\s\\S]*) time=(.*?) bitrate=([\\s\\S]*) speed=(.*?)x";
    String videoframeRegexDuration = "frame=([\\s,\\d]*) fps=(.*?) q=(.*?) size=([\\s\\S]*) time=(.*?) bitrate=([\\s\\S]*) speed=(.*?)x";
    Pattern framePattern = Pattern.compile(frameRegexDuration);

    public static void main(String[] args){
        String target = "";
/*        try {
            target = extractAsyn("D:\\ffmpeg4.2\\bin\\ffmpeg.exe", 
                    "-y   -f   image2   -ss   1   -t   0.001   -s   640x480", 
                    "E:\\迅雷下载\\电影\\test.avi", 
                    "E:\\迅雷下载\\电影\\test.avi.jpg");
            System.out.println(target);
        } catch (Throwable e) {
            System.err.println(e.getMessage());
        }
        */
        try {
            
             new FFmpegUtils() {
                @Override
                public void dealLine(String line) {
                    System.out.println(line);
                    if(timeLength == null || timeLength.equals("")) {
                        Matcher m = pattern.matcher(line.trim());
                        if (m.find()) {
                            timeLength = m.group(1);
                            if(timeLength!=null){
                                timeLengthSec = FFVideoUtil.getTimelen(timeLength);
                            }
                            System.out.println(timeLength+"||"+timeLengthSec);
                        }
                    }

                    //获取视频信息
                    Matcher matcher = framePattern.matcher(line);
                    if(matcher.find()){
                        try {
                            String execTimeStr = matcher.group(2);
                            int execTimeInt = FFVideoUtil.getTimelen(execTimeStr);
                            double devnum = FFBigDecimalUtil.div(execTimeInt,timeLengthSec,5);
                            double progressDouble = FFBigDecimalUtil.mul(devnum,100);
                            System.out.println("execTimeInt:"+execTimeInt+"&,devnum:"+devnum+"&,progressDouble:"+progressDouble);
                        } catch (IllegalAccessException e) {
                            System.err.println("获取输出流异常："+e.getMessage());
                        }
                    }
                }
                
                @Override
                public void dealStream(Process process) {
                     if (process == null) {
                            return;
                        }
                        // 处理InputStream的线程
                        new Thread() {
                            @Override
                            public void run() {
                                BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream()));
                                String line = null;
                                try {
                                    while ((line = in.readLine()) != null) {
                                        //logger.info("output: " + line);
                                        dealLine(line);
                                    }
                                } catch (IOException e) {
                                    e.printStackTrace();
                                } finally {
                                    try {
                                        in.close();
                                    } catch (IOException e) {
                                        e.printStackTrace();
                                    }
                                }
                            }
                        }.start();
                        // 处理ErrorStream的线程
                        new Thread() {
                            @Override
                            public void run() {
                                BufferedReader err = new BufferedReader(new InputStreamReader(process.getErrorStream()));
                                String line = null;
                                try {
                                    while ((line = err.readLine()) != null) {
                                        dealLine(line);
                                    }
                                } catch (IOException e) {
                                    e.printStackTrace();
                                } finally {
                                    try {
                                        err.close();
                                    } catch (IOException e) {
                                        e.printStackTrace();
                                    }
                                }
                            }
                        }.start();
                }
            }.processVideoSync("D:\\ffmpeg4.2\\bin\\ffmpeg.exe", 
                    " -f|mp3", 
                    "E:\\迅雷下载\\电影\\test.avi", 
                    "E:\\迅雷下载\\电影\\test.avi.mp3");
            System.out.println(target);
        } catch (Throwable e) {
            System.err.println(e.getMessage());
        }
        
    }
    
    //异步 适合抽帧等快速的操作
    public static String extractAsyn(
            String ffmpegPath,String cmdParam,
            String sourceFile,String targetFile) 
                    throws Throwable {
            
            Runtime runtime = Runtime.getRuntime();
            Process proce = null;
            // 视频截图命令，封面图。 8是代表第8秒的时候截图
            String cmd = "";
            String cut = ffmpegPath +" -i "+ sourceFile +"  "+ cmdParam +"  "+ targetFile;
            String cutCmd = cmd + cut;
            proce = runtime.exec(cutCmd);
            proce.getOutputStream();
            System.out.println("抽帧命令是："+cut);
            return targetFile;
    }
    
    
    public static boolean checkfile(String path) {
        File file = new File(path);
        if (!file.isFile()) {
            return false;
        }
        return true;
    }

    //异步处理
    public boolean processVideoSync(String ffmpegPath,String cmdParam,
            String sourceFile,String targetFile) {

        // 文件命名
        List<String> commond = new ArrayList<String>();
        commond.add(ffmpegPath);
        commond.add("-i");
        commond.add(sourceFile);
        commond.addAll(Arrays.asList(cmdParam.trim().split("\\|")));
        commond.add(targetFile);
        
        if(new File(targetFile).exists()) {
            new File(targetFile).delete();
        }
        
        String cmds = ""; 
        for (String cmd : commond) {
            cmds = cmds + " " + cmd;
        }
        System.out.println("执行命令参数为：" + cmds);
        try {
            // 调用线程命令进行转码
            Process videoProcess = new ProcessBuilder(commond).redirectErrorStream(true).start();
            //new PrintStream(videoProcess.getInputStream()).start();          
            //videoProcess.waitFor();
            /*new InputStreamReader(videoProcess.getErrorStream());
            BufferedReader stdout = new BufferedReader(new InputStreamReader(videoProcess.getInputStream()));
            String line;
            while ((line = stdout.readLine()) != null) {
                 dealLine(line);
            }*/
            dealStream(videoProcess);
            videoProcess.waitFor();
            
            
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    //处理输出流
    public abstract void dealLine(String line);
    public abstract void dealStream(Process process );
}

FFmpegUtils.java