Java用20行代码实现抖音小视频批量转换为gif动态图

<!-- https://mvnrepository.com/artifact/ws.schild/jave-core -->

     < dependency >

         < groupId >ws.schild</ groupId >

         < artifactId >jave-core</ artifactId >

         < version >3.1.1</ version >

     </ dependency >

  <!-- 以下依赖根据系统二选一 -->

  <!-- win系统平台的依赖 -->

     < dependency >

         < groupId >ws.schild</ groupId >

         < artifactId >jave-nativebin-win64</ artifactId >

         < version >3.1.1</ version >

     </ dependency >

  <!-- linux系统平台的依赖 -->

     < dependency >

         < groupId >ws.schild</ groupId >

         < artifactId >jave-nativebin-linux64</ artifactId >

         < version >3.1.1</ version >

     </ dependency >

import ws.schild.jave.Encoder;

import ws.schild.jave.EncoderException;

import ws.schild.jave.MultimediaObject;

import ws.schild.jave.encode.EncodingAttributes;

import ws.schild.jave.encode.VideoAttributes;

import ws.schild.jave.info.MultimediaInfo;

import ws.schild.jave.info.VideoInfo;

import ws.schild.jave.info.VideoSize;

import java.io.File;

import java.util.Arrays;

public class VideoToGIf {

     //输出格式

     private static final String outputFormat = "gif" ;

     /**

      * 获得转化后的文件名

      *

      * @param sourceFilePath : 源视频文件路径

      * @return

      */

     public static String getNewFileName(String sourceFilePath) {

         File source = new File(sourceFilePath);

         String fileName = source.getName().substring( 0 , source.getName().lastIndexOf( "." ));

         return fileName + "." + outputFormat;

     }

     /**

      * 转化音频格式

      *

      * @param sourceFilePath : 源视频文件路径

      * @param targetFilePath : 目标gif文件路径

      * @return

      */

     public static void transform(String sourceFilePath, String targetFilePath) {

         File source = new File(sourceFilePath);

         File target = new File(targetFilePath);

         try {

             //获得原视频的分辨率

             MultimediaObject mediaObject = new MultimediaObject(source);

             MultimediaInfo multimediaInfo = mediaObject.getInfo();

             VideoInfo videoInfo = multimediaInfo.getVideo();

             VideoSize sourceSize = videoInfo.getSize();

             //设置视频属性

             VideoAttributes video = new VideoAttributes();

             video.setCodec(outputFormat);

             //设置视频帧率 正常为10 ，值越大越流畅

             video.setFrameRate( 10 );

             //设置视频分辨率

             VideoSize targetSize = new VideoSize(sourceSize.getWidth() / 5 , sourceSize.getHeight() / 5 );

             video.setSize(targetSize);

             //设置转码属性

             EncodingAttributes attrs = new EncodingAttributes();

             attrs.setVideoAttributes(video);

             // 音频转换格式类

             Encoder encoder = new Encoder();

             encoder.encode(mediaObject, target, attrs);

             System.out.println( "转换已完成..." );

         } catch (EncoderException e) {

             e.printStackTrace();

         }

     }

     /**

      * 批量转化视频格式

      *

      * @param sourceFolderPath : 源视频文件夹路径

      * @param targetFolderPath : 目标gif文件夹路径

      * @return

      */

     public static void batchTransform(String sourceFolderPath, String targetFolderPath) {

         File sourceFolder = new File(sourceFolderPath);

         if (sourceFolder.list().length != 0 ) {

             Arrays.asList(sourceFolder.list()).forEach(e -> {

                 transform(sourceFolderPath + "\\" + e, targetFolderPath + "\\" + getNewFileName(e));

             });

         }

     }

     public static void main(String[] args) {

         batchTransform( "C:\\Users\\tarzan\\Desktop\\video" , "C:\\Users\\tarzan\\Desktop\\gif" );

     }

}