ffmpeg流保存为MP4文件

项目中需要把rtsp流保存为视频文件但是用ffmpeg时出线问题

 ProcessBuilder processBuilder = new ProcessBuilder();
        //定义命令内容
        List command = new ArrayList<>();
        command.add(ffmpegPath);
        command.add("-rtsp_transport");
        command.add("tcp");
        command.add("-y");
        command.add("-i");
        command.add(streamUrl);
        command.add("-c");
        command.add("copy");
        command.add("-f");
        command.add("mp4");
        command.add(FilePath);
        processBuilder.command(command);
        System.out.println("脚本:" + command.toString());
        //将标准输入流和错误输入流合并,通过标准输入流读取信息
        processBuilder.redirectErrorStream(true);
        try {
            //启动进程
            Process process = processBuilder.start();
            System.out.println("开始时间:" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(System.currentTimeMillis())));
            //获取输入流
            InputStream inputStream = process.getInputStream();
            Thread inThread = new Thread(new In(inputStream));
            inThread.start();
            return process;
        } catch (Exception e) {
            e.printStackTrace();
        }

这个报错

img

具体怎么改不清楚