java对视频进行截图

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import java.io.File;import java.util.List;//生成视频文件的首帧为图片//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("路径[" + veido_path + "]对应的视频文件不存在!");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");//这个参数是设置截取视频多少秒时的画面//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("D:/ffmpeg/python编程-多线程和多进程.avi","D:/ffmpeg/ffmpeg.exe"); }}

ffmpeg.exe的下载地址：http://download.csdn.net/detail/yangnianbing110/7574627

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