import java.io.File;
import java.util.List;
//生成視頻文件的首幀為圖片
//windows下的版本
public class CreatePh {
  // public static final String FFMPEG_PATH = "E:/ffmpeg/ffmpeg.exe";
  public static boolean processImg(String veido_path, String ffmpeg_path) {
    File file = new File(veido_path);
    if (!file.exists()) {
      System.err.println("路徑[" + veido_path + "]對應(yīng)的視頻文件不存在!");
      return false;
    }
    List<String> commands = new java.util.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");
    commands.add("8");// 這個參數(shù)是設(shè)置截取視頻多少秒時的畫面
    // commands.add("-t");
    // commands.add("0.001");
    commands.add("-s");
    commands.add("700x525");
    commands.add(veido_path.substring(0, veido_path.lastIndexOf("."))
        .replaceFirst("vedio", "file") + ".jpg");
    try {
      ProcessBuilder builder = new ProcessBuilder();
      builder.command(commands);
      builder.start();
      System.out.println("截取成功");
      return true;
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
  }
  public static void main(String[] args) {
    processImg("C:/video1.avi", "C:/ffmpeg.exe");
  }
}