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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