FFmpeg frame series: add multiple watermarks to videos

1. Business scenario

Requirements: Add a specified watermark image to the uploaded video.

2. Install FFmpeg framework

I will teach you in this five-minute JAVA code: FFmpeg implementation video demo (window version) is very detailed , install FFmepg on windows/Linux, I will not elaborate here.

3. Add a single watermark to the video

Watermark in the upper left corner:

ffmpeg -i xxx.mp4 -i  shuiyin.png -filter_complex overlay=10:10 -codec:a copy  end.mp4

Watermark in the lower left corner:

ffmpeg -i xxx.mp4 -i shuiyin.png -filter_complex overlay=10:main_h-overlay_h-10  -codec:a copy end.mp4

Watermark in the upper right corner:

ffmpeg -i xxx.mp4 -i shuiyin.png -filter_complex overlay=main_w-overlay_w-10:10  -codec:a copy end.mp4

Watermark in the lower right corner:

ffmpeg -i xxx.mp4 -i shuiyin.png -filter_complex  overlay=main_w-overlay_w-10:main_h-overlay_h-10  -codec:a copy end.mp4

Watermark in the middle:

ffmpeg -i xxx.mp4 -i shuiyin.png -filter_complex overlay=main_w/2-overlay_w/2:main_h/2-overlay_h/2  -codec:a copy end.mp4

3. Add multiple watermarks to the video

Add multiple pictures, the following command line:

F:\\ffmpegDemo\\ffmpeg\\bin\\ffmpeg.exe  -i F:\\ffmpegDemo\\aaa.mp4 -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png  -filter_complex  overlay=10:10,overlay=10:main_h-overlay_h-10,overlay=main_w-overlay_w-10:10,overlay=main_w-overlay_w-10:main_h-overlay_h-10,overlay=main_w/2-overlay_w/2:main_h/2-overlay_h/2  F:\\ffmpegDemo\\aaa1.mp4";

Pass multiple watermark pictures and specify the position where the watermark is displayed.

4. Complete source code

4.1 Watermarking effect

4.2 Complete source code

public class ExecWindowCMD {
    
    

    public static void main(String[] args) {
    
    

    
        //单个水印
        AddWaterMark();
        //多个水印
        /*AddWaterMarkMore();*/
     }
    //添加单个水印
    public static void AddWaterMark(){
    
    

        String cmdStr = "F:\\ffmpegDemo\\ffmpeg\\bin\\ffmpeg.exe  -i F:\\ffmpegDemo\\test.mp4 -i F:\\ffmpegDemo\\logo.png -filter_complex overlay=main_w-overlay_w-10:main_h-overlay_h-10  F:\\ffmpegDemo\\output1.mp4";
        Runtime run = Runtime.getRuntime();
        try {
    
    
            Process process = run.exec("c:/nircmd.exe elevate  " + cmdStr);
            InputStream in = process.getInputStream();
            while (in.read() != -1) {
    
    
                System.out.println(in.read());
            }
            in.close();
            process.waitFor();
        } catch (Exception e) {
    
    
            e.printStackTrace();
        }
        System.out.println("----添加水印视频生成成功----");
    }


 //添加多个水印(左上角,左下角,右上角，右下角，正中间)
    public static void AddWaterMarkMore(){
    
    

        String cmdStr = "F:\\ffmpegDemo\\ffmpeg\\bin\\ffmpeg.exe  -i F:\\ffmpegDemo\\aaa.mp4 -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png -i F:\\ffmpegDemo\\logo.png  -filter_complex  overlay=10:10,overlay=10:main_h-overlay_h-10,overlay=main_w-overlay_w-10:10,overlay=main_w-overlay_w-10:main_h-overlay_h-10,overlay=main_w/2-overlay_w/2:main_h/2-overlay_h/2  F:\\ffmpegDemo\\aaa1.mp4";
        Runtime run = Runtime.getRuntime();
        try {
    
    
            Process process = run.exec("c:/nircmd.exe elevate  " + cmdStr);
            InputStream in = process.getInputStream();
            while (in.read() != -1) {
    
    
                System.out.println(in.read());
            }
            in.close();
            process.waitFor();
        } catch (Exception e) {
    
    
            e.printStackTrace();
        }
        System.out.println("----添加水印视频生成成功----");
    }
 }