ffmpeg 截取视频图片

 

/**
* 截取视频图片
*
* @param veido_path
* 视频路径
* @param ffmpeg_path
* 插件所在路径
* @param imgsavepath
* 图片保存路径
* @return
*/
public static boolean processImg(String veido_path, String ffmpeg_path,String imgsavepath) {
    File file = new File(veido_path);
    if (!file.exists()) {
    System.err.println("路径[" + veido_path + "]对应的视频文件不存在!");
    return false;
    }

    List<String> commands = new ArrayList<String>();
    commands.add(ffmpeg_path);
    commands.add("-i");
    commands.add(veido_path);
    commands.add("-y");
    commands.add("-f");
    commands.add("image2");
    commands.add("-ss");
    if(Common.getVideoSecond(veido_path)>8)
      commands.add("8");// 这个参数是设置截取视频多少秒时的画面
    else
      commands.add("1");// 这个参数是设置截取视频多少秒时的画面

    commands.add("-s");
    commands.add("400x300");

    commands.add(imgsavepath);
    try {
      ProcessBuilder builder = new ProcessBuilder();

      builder.command(commands);

      builder.redirectErrorStream(true);

      System.out.println("视频截图开始...");

      Process process = builder.start();

      InputStream in =process.getInputStream();

      byte[] re = new byte[1024];

      System.out.print("正在进行截图,请稍候");

      while (in.read(re) != -1) {
        System.out.print(".");
      }

      System.out.println("");
    if(in!=null)
      in.close();

    System.out.println("视频截图完成...");
    return true;
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
}

 

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