使用java代码给视频添加水印

使用java代码给视频添加水印

步骤一：下载相关依赖包：

相关地址：ffmpeg

步骤二：下载ffmpeg依赖软件

相关地址：点击下载

步骤三：直接上代码
类一：FFMPEG

package cn.oop.pack.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * o 给视频加水印
 * 
 * @author admin
 *
 */
public class FFMPEG {
	public static String dealString(String str) {
		Matcher m = java.util.regex.Pattern.compile("^frame=.*").matcher(str);
		String msg = "";
		while (m.find()) {
			msg = m.group();
		}
		return msg;
	}

	/**
	 * 如果是数字就是成功的时间(秒数)
	 * 
	 * @param str
	 * @return
	 */
	public static boolean isNumeric(String str) {
		Pattern pattern = Pattern.compile("[0-9]*");
		Matcher isNum = pattern.matcher(str);
		if (!isNum.matches()) {
			return false;
		}
		return true;
	}

	/**
	 * 如果返回不是null的值就是成功(值为转换用时单位:秒)
	 * 
	 * @param instr
	 * @return
	 */
	public static String returnSecond(String instr) {
		String returnValue = null;
		if (null != instr) {
			String[] a = instr.split("\\.");
			String[] b = a[0].split(":");
			int returnNumber = 0;
			if (null != instr && b[0].length() != 0) {
				returnNumber = Integer.valueOf(b[0]) * 60 * 60 + Integer.valueOf(b[1]) * 60 + Integer.valueOf(b[2]);
				returnValue = String.valueOf(returnNumber);
			} else {
				returnValue = null;
			}
		}
		return returnValue;
	}

	/**
	 * 获取视频格式(转码前的格式和转码后的格式都可以调用)
	 * 
	 * @param outputPath
	 * @return
	 */
	public static String returnVideoFormat(String outputPath) {
		return outputPath.substring(outputPath.lastIndexOf(".") + 1);
	}

	/**
	 * @ HashMap<String,String> dto 参数传递对象<br>
	 * dto中包含的参数<br>
	 * (必填)1.ffmpeg_path:ffmpeg执行文件地址,如 d:\\ffmpeg\\ffmpeg.exe
	 * Linux下直接调用ffmpeg命令(当然你事先已经有这个程序了)<br>
	 * (必填)2.input_path:原视频路径<br>
	 * (必填)3.video_converted_path:转换后视频输出路径<br>
	 * (可选)4.screen_size:视频尺寸 长度乘宽度 乘号用英文小写"x"如 512x480<br>
	 * (可选)5.logo:水印地址(其实在ffmpeg中有一个专门的watermark参数,logo跟它有何不同,我还没看,不过对我来说效果一样
	 * 貌似需要png图片才行)<br>
	 * (可选,如果填写必须有logo才行,默认为0)6.xaxis:水印logo的横坐标(只有logo参数为一个正确路径才行) 比如0<br>
	 * (可选,如果填写必须有logo才行,默认为0)6.yaxis:水印logo的纵坐标(只有logo参数为一个正确路径才行) 比如0<br>
	 * (可选)vb:视频比特率,传入一个数值,单位在程序里面拼接了k (可选)ab:音频比特率,传入一个数值,单位在程序里面拼接了k
	 */
	public String videoTransfer(HashMap<String, String> dto) {
		// String ffmpeg_path,String input_path,String video_converted_path,String
		// logo,String screen_size,String xaxis,String yaxis,String vb,String ab
		List<String> cmd = new ArrayList<String>();
		cmd.add(dto.get("ffmpeg_path"));
		cmd.add("-y");
		cmd.add("-i");
		cmd.add(dto.get("input_path"));
		if (null != dto.get("screen_size")) {
			cmd.add("-s");
			cmd.add(dto.get("screen_size"));
		}
		if (null != dto.get("logo")) {
			String logo = dto.get("logo");
			cmd.add("-vf");
			String xaxis = dto.get("xaxis");
			String yaxis = dto.get("yaxis");
			xaxis = xaxis != null && !xaxis.equals("") ? xaxis : "0";
			yaxis = yaxis != null && !yaxis.equals("") ? yaxis : "0";

			String logoString = "movie=" + logo + "[logo],[in][logo]overlay=x=" + xaxis + ":y=" + yaxis + "[out]";
			cmd.add(logoString);
		}
		cmd.add("-strict");
		cmd.add("-2");
		if (null != dto.get("vb") && !dto.get("vb").equals("")) {
			cmd.add("-vb");
			cmd.add(dto.get("vb") + "k");
		}
		if (null != dto.get("ab") && !dto.get("ab").equals("")) {
			cmd.add("-ab");
			cmd.add(dto.get("ab") + "k");
		}
		cmd.add("-q:v");
		cmd.add("4");
		cmd.add(dto.get("video_converted_path"));
		String converted_time = CmdExecuter.exec(cmd);
		return returnSecond(converted_time);// 获取转换时间
	}

	public static void main(String[] arg) {
		HashMap<String, String> dto = new HashMap<String, String>();
		dto.put("ffmpeg_path",
				"D:\\browser download\\application\\ffmpeg-20191126-59d264b-win64-static\\bin\\ffmpeg.exe");// 必填
		dto.put("input_path", "D:\\douyin_1574919628934.mp4");// 必填
		dto.put("video_converted_path", "E:\\image\\video\\gg.mp4");// 必填
		dto.put("logo", "D\\\\:/browser download/images/ae0ab81da13b4c3b2cc3e7073393f74f.jpg");// 可选(注意windows下面的logo地址前面要写4个反斜杠,如果用浏览器里面调用servlet并传参只用两个,如
		// d:\\:/ffmpeg/input/logo.png)
		String secondsString = new FFMPEG().videoTransfer(dto);
		System.out.println("转换共用:" + secondsString + "秒");
	}

}

类二：

package cn.oop.pack.test;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;

public class CmdExecuter {
	public static String exec(List<String> cmd) {
		String converted_time = null;
		Process proc = null;
		BufferedReader stdout = null;
		try {
			ProcessBuilder builder = new ProcessBuilder();
			builder.command(cmd);
			builder.redirectErrorStream(true);
			proc = builder.start();
			stdout = new BufferedReader(new InputStreamReader(proc.getInputStream()));
			String line;
			int lineNumber = 1;
			List<String> returnStringList = new LinkedList<String>();
			while ((line = stdout.readLine()) != null) {
				System.out.println("第" + lineNumber + "行:" + line);
				lineNumber = lineNumber + 1;
				returnStringList.add(FFMPEG.dealString(line));
			}
			String info = "";
			for (int i = returnStringList.size() - 1; i >= 0; i--) {
				if (null != returnStringList.get(i) && returnStringList.get(i).startsWith("frame=")) {
					info = returnStringList.get(i);
					break;
				}
			}
			if (null != info) {
				converted_time = info.split("time=")[1].split("bitrate=")[0].trim();
			}
		} catch (IndexOutOfBoundsException ex) {
			converted_time = null;
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				proc.waitFor();
				stdout.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return converted_time;
	}

}

类三：

package cn.oop.pack.test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class VideoThumbTaker {

	protected String ffmpegApp;

	public VideoThumbTaker(String ffmpegApp) {
		this.ffmpegApp = ffmpegApp;
	}

	@SuppressWarnings("unused")
	/****
	 * 获取指定时间内的图片
	 * 
	 * @param videoFilename:视频路径
	 * @param thumbFilename:图片保存路径
	 * @param width:图片长
	 * @param height:图片宽
	 * @param hour:指定时
	 * @param min:指定分
	 * @param sec:指定秒
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public void getThumb(String videoFilename, String thumbFilename, int width, int height, int hour, int min,
			float sec) throws IOException, InterruptedException {
		ProcessBuilder processBuilder = new ProcessBuilder(ffmpegApp, "-y", "-i", videoFilename, "-vframes", "1", "-ss",
				hour + ":" + min + ":" + sec, "-f", "mjpeg", "-s", width + "*" + height, "-an", thumbFilename);

		Process process = processBuilder.start();

		InputStream stderr = process.getErrorStream();
		InputStreamReader isr = new InputStreamReader(stderr);
		BufferedReader br = new BufferedReader(isr);
		String line;
		while ((line = br.readLine()) != null)
			;
		process.waitFor();

		if (br != null)
			br.close();
		if (isr != null)
			isr.close();
		if (stderr != null)
			stderr.close();

	}

}

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