ffmpeg截取视频封面图
centos上安装ffmpeg
CentOS 、Ubuntu安装ffmpeg(超简单,只需两步)
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package com.goldman.launcher; import java.io.*; public class VideoThumbnail { public static void main(String[] args) { File folder = new File("D://"); File[] files = folder.listFiles(); // 获取目录下所有文件和文件夹 for (File file : files) { if (file.isFile() && file.getName().endsWith(".mp4")) { String videoPath = file.getAbsoluteFile().getPath(); String thumbnailPath = videoPath.replace(".mp4", ".jpg"); File jpgfile = new File(thumbnailPath); if (jpgfile.exists()) { jpgfile.delete(); } try { ProcessBuilder processBuilder = new ProcessBuilder("ffmpeg", "-i", videoPath, "-ss", String.valueOf(2), "-vframes", "1", thumbnailPath); processBuilder.redirectErrorStream(true); Process process = processBuilder.start(); // 读取子进程的输出流 InputStream inputStream = process.getInputStream(); BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream)); String line; while ((line = reader.readLine()) != null) { System.out.println(line); } int exitCode = process.waitFor(); if (exitCode == 0) { System.out.println("视频图片截取成功!"); } else { System.out.println("视频图片截取失败!"); } } catch (IOException | InterruptedException e) { e.printStackTrace(); } } } } }