• java使用ws.schild.jave将视频转成mp4

    
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>com.tanggroupId>
    <artifactId>media-converterartifactId>
    <version>1.0.0version>

    <properties>
        <maven.compiler.source>8maven.compiler.source>
        <maven.compiler.target>8maven.compiler.target>
        <java.version>1.8java.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <version>1.18.26version>
        dependency>
        <dependency>
            <groupId>ws.schildgroupId>
            <artifactId>jave-all-depsartifactId>
            <version>2.7.3version>
        dependency>
    dependencies>

    <build>
        <finalName>media-converterfinalName>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-pluginartifactId>
                <version>2.3.2version>
                <configuration>
                    <source>1.8source>
                    <target>1.8target>
                configuration>
            plugin>
            <plugin>
                <groupId>org.apache.maven.pluginsgroupId>
                <artifactId>maven-clean-pluginartifactId>
                <version>2.5version>
            plugin>
            <plugin>
                <artifactId>maven-assembly-pluginartifactId>
                <configuration>
                    <appendAssemblyId>falseappendAssemblyId>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependenciesdescriptorRef>
                    descriptorRefs>
                    <archive>
                        <manifest>
                            <mainClass>com.tang.MediaConvertermainClass>
                        manifest>
                    archive>
                configuration>
                <executions>
                    <execution>
                        <id>make-assemblyid>
                        <phase>packagephase>
                        <goals>
                            <goal>assemblygoal>
                        goals>
                    execution>
                executions>
            plugin>
        plugins>
    build>

project>

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    FileUtil

    package com.tang;

import lombok.extern.slf4j.Slf4j;

import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
import java.nio.file.StandardOpenOption;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * 文件工具
 * @author tang
 */
@Slf4j
public class FileUtil {

	public static boolean checkFileSize(File file, int size_MB) {
		long size = size_MB * 1024 * 1024;
		return file.length() > size ? false : true;
	}

	public static String resetPostfix(String sourcePath,String newPostfix) {
		String targetPath;
		int point_index = sourcePath.lastIndexOf(".");
		if (point_index != -1) {
			targetPath = sourcePath.substring(0, point_index) + "."+newPostfix;
		} else {
			targetPath = sourcePath + "."+newPostfix;
		}
		return targetPath;
	}

	public static String getFilePath(String absolutePath) {
		int lastIndexOf = absolutePath.lastIndexOf("/");
		if (lastIndexOf >= 0) {
			return absolutePath.substring(0, lastIndexOf + 1);
		}
		lastIndexOf = absolutePath.lastIndexOf("\\");
		if (lastIndexOf >= 0) {
			return absolutePath.substring(0, lastIndexOf + 1);
		}
		return absolutePath;
	}

	public static String getFilePostfix(File file) {
		String absolutePath = file.getAbsolutePath();
		int lastIndexOf = absolutePath.lastIndexOf(".");
		if (lastIndexOf >= 0) {
			return absolutePath.substring(lastIndexOf + 1);
		}
		return "";
	}

	public static String getFilePostfix(String path) {
		int lastIndexOf = path.lastIndexOf(".");
		if (lastIndexOf >= 0) {
			return path.substring(lastIndexOf + 1);
		}
		return "";
	}

	public static String getFileNameNotPostfix(File file) {
		String name = file.getName();
		int lastIndexOf = name.lastIndexOf(".");
		if (lastIndexOf >= 0) {
			return name.substring(0, lastIndexOf);
		}
		return "";
	}

	public static boolean exists(File file) {
		return file != null && file.exists();
	}

	public static boolean isCanWrite(File targetFile) {
		if (targetFile == null) {
			return false;
		}
		if (targetFile.isDirectory()) {
			return false;
		}
		if (!targetFile.exists()) {
			return true;
		}
		try (FileOutputStream fos = new FileOutputStream(targetFile, true)) {
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	public static String readTextFile(File file) {
		return readTextFile(file, "UTF-8");
	}

	public static String readTextFile(File file, String code) {
		try {
			return new String(Files.readAllBytes(file.toPath()), code);
		} catch (Exception e) {
			log.error("error",e);
		}
		return null;
	}

	public static File createFile(String filePath) {
		File file = new File(filePath);
		if (file.exists()) {
			return file;
		}
		if (file.isDirectory()) {
			file.mkdirs();
			return file;
		}
		if (!file.getParentFile().exists()) {
			file.getParentFile().mkdirs();
		}
		try {
			file.createNewFile();
		} catch (Exception e) {
			log.error("error",e);
		}
		return file;
	}

	public static void saveTextFile(String filePath, String str) {
		saveTextFile(createFile(filePath), str);
	}

	public static void saveTextFile(File file, String str) {
		saveTextFile(file, str, "UTF-8");
	}

	public static void saveTextFile(File file, String str, String code) {
		try {
			Files.write(file.toPath(), str.getBytes(code), StandardOpenOption.CREATE);
		} catch (Exception e) {
			log.error("error",e);
		}
	}

	public static void deleteFile(File file) {
		if (!exists(file)) {
			return;
		}
		if (file.isDirectory()) {
			File[] listFiles = file.listFiles();
			for (int i = 0; i < listFiles.length; i++) {
				deleteFile(listFiles[i]);
			}
			// Files.delete(file.toPath());
			file.delete();
		} else {
			file.delete();
		}
	}

	public static void moveFile(File sourceFile, File targetFile) {
		if (!exists(sourceFile)) {
			return;
		}
		if (sourceFile.isDirectory()) {
			if (!targetFile.exists()) {
				targetFile.mkdirs();
			}
			File[] listFiles = sourceFile.listFiles();
			for (int i = 0; i < listFiles.length; i++) {
				File childTargetFile = new File(targetFile.getPath() + File.separator + listFiles[i].getName());
				moveFile(listFiles[i], childTargetFile);
			}
			sourceFile.delete();
		} else {
			try {
				if (!targetFile.getParentFile().exists()) {
					targetFile.getParentFile().mkdirs();
				}
				Files.move(sourceFile.toPath(), targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
			} catch (Exception e) {
				log.error("error",e);
			}
		}
	}

	public static void copyFile(File sourceFile, File targetFile) {
		if (!exists(sourceFile)) {
			return;
		}
		if (sourceFile.isDirectory()) {
			if (!targetFile.exists()) {
				targetFile.mkdirs();
			}
			File[] listFiles = sourceFile.listFiles();
			for (int i = 0; i < listFiles.length; i++) {
				File childTargetFile = new File(targetFile.getPath() + File.separator + listFiles[i].getName());
				copyFile(listFiles[i], childTargetFile);
			}
		} else {
			try {
				if (!targetFile.getParentFile().exists()) {
					targetFile.getParentFile().mkdirs();
				}
				Files.copy(sourceFile.toPath(), targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
			} catch (Exception e) {
				log.error("error",e);
			}
		}
	}


	public static Object copyOfDeep(Object obj) throws IOException, ClassNotFoundException{
	    ByteArrayOutputStream baos = new ByteArrayOutputStream();
	    ObjectOutputStream oos = new ObjectOutputStream(baos);
	    oos.writeObject(obj);
	    oos.close();

	    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
	    ObjectInputStream ois = new ObjectInputStream(bais);
	    Object obj2 = ois.readObject();
	    ois.close();
	    return obj2;
	}

	public static byte[] readAllBytes(InputStream in, int initialSize) throws IOException {
		try (InputStream _in = in) {
			int capacity = initialSize;
			byte[] buf = new byte[capacity];
			int nread = 0;
			int rem = buf.length;
			for (int n = _in.read(buf, nread, rem); n > 0; n = _in.read(buf, nread, rem)) {
				nread += n;
				rem -= n;
				assert rem >= 0;
				if (rem == 0) {
					int newCapacity = capacity << 1;
					if (newCapacity < 0) {
						if (capacity == Integer.MAX_VALUE)
							throw new OutOfMemoryError("Required array size too large");
						newCapacity = Integer.MAX_VALUE;
					}
					rem = newCapacity - capacity;
					buf = Arrays.copyOf(buf, newCapacity);
					capacity = newCapacity;
				}
			}
			return (capacity == nread) ? buf : Arrays.copyOf(buf, nread);
		} catch (IOException e) {
			throw e;
		}
	}

	public static String readAllString(InputStream in) throws IOException {
		return readAllString(in, Charset.forName("UTF-8"));
	}

	public static String readAllString(InputStream in, Charset code) throws IOException {
		if (code==null) {
			code=Charset.forName("UTF-8");
		}
		try (BufferedInputStream bis = new BufferedInputStream(in);InputStreamReader isr=new InputStreamReader(bis,code.newDecoder());BufferedReader reader = new BufferedReader (isr)) {
			StringBuffer sb = new StringBuffer();
            for (String line = reader.readLine();line != null;line = reader.readLine()) {
                sb.append(line);
            }
			return sb.toString();
		}
	}

	public static String readAllString(Reader r, int initialSize) throws IOException {
		try (BufferedReader br = new BufferedReader(r)) {
			StringBuffer sb = new StringBuffer();
			char[] b = new char[initialSize];
			for (int i = br.read(b); i > 0; i = br.read(b)) {
				sb.append(new String(b, 0, i));
			}
			return sb.toString();
		}
	}

	public static List<String> readAllLines(InputStream in, String code) throws IOException {
		try (Reader r = code == null ? new InputStreamReader(in) : new InputStreamReader(in, code)) {
			return readAllLines(r);
		}
	}

	public static List<String> readAllLines(Reader r) throws IOException {
		try (BufferedReader br = new BufferedReader(r)) {
			List<String> result = new ArrayList<>();
			for (String line = br.readLine(); line != null; line = br.readLine()) {
				result.add(line);
			}
			return result;
		}
	}
}

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    MediaUtil

    package com.tang;

import lombok.extern.slf4j.Slf4j;
import ws.schild.jave.*;

import java.io.File;
/**
 * 视频转换工具
 * @author tang
 */
@Slf4j
public class MediaUtil {

	public static MultimediaInfo getInfo(String sourcePath) {
		try {
			return new MultimediaObject(new File(sourcePath)).getInfo();
		} catch (Exception e) {
			log.error("获取多媒体信息报错：",e);
			return null;
		}
	}

	public static String saveOneImage(String sourcePath) {
		String imagePath = FileUtil.resetPostfix(sourcePath, "png");
		return saveOneImage(sourcePath, imagePath);
	}

	/**
	 * 截取视频的一针作为封面图并保存到指定文件
	 *
	 * @param sourcePath 视频文件路径
	 * @param imagePath  截取图片保存路径
	 */
	public static String saveOneImage(String sourcePath, String imagePath) {
		try {
			MultimediaObject multimediaObject = new MultimediaObject(new File(sourcePath));
			VideoInfo videoInfo = multimediaObject.getInfo().getVideo();
			if (videoInfo != null) {
				// 第一个参数 视频源文件信息类
				// 第二个参数 截取的宽度
				// 第三个参数 截取的高度
				// 第四个参数 截取的是那一帧
				// 第五个参数是 截取的图片质量 1-31 数字越小质量越高
				new ScreenExtractor().renderOneImage(multimediaObject, videoInfo.getSize().getWidth(), videoInfo.getSize().getHeight(), 0, new File(imagePath), 31);
				log.info("获取视频封面图成功！");
				return "";
			} else {
				log.info("获取视频封面图失败：没有视频信息！");
				return "没有视频信息";
			}
		} catch (Exception e) {
			log.error("获取视频封面图失败：", e);
			return e.getMessage();
		}

	}

	public static String convertMediaToMp4(String sourcePath) {
		String targetPath = FileUtil.resetPostfix(sourcePath, "mp4");
		return convertMediaToMp4(sourcePath, targetPath);
	}

	public static String convertMediaToMp4(String sourcePath, String targetPath) {
		return convertMediaFormat(sourcePath, targetPath, "libmp3lame", "libx264", "mp4");
	}

	public static String convertMediaFormat(String sourcePath, String targetPath, String audioEncoder, String videoEncoder, String targetFormat) {
		try {
			File source = new File(sourcePath);
			File target = new File(targetPath);

			MultimediaObject multimediaObject = new MultimediaObject(source);
			MultimediaInfo info = multimediaObject.getInfo();
			logVideoInfo(info);

			VideoAttributes video = new VideoAttributes();
			video.setCodec(videoEncoder);
			video.setSize(info.getVideo().getSize());
			video.setBitRate(info.getVideo().getBitRate());
			video.setFrameRate((int) info.getVideo().getFrameRate());
			EncodingAttributes attrs = new EncodingAttributes();
			attrs.setFormat(targetFormat);
			attrs.setVideoAttributes(video);
            if(info.getAudio()!=null){
                AudioAttributes audio = new AudioAttributes();
                audio.setCodec(audioEncoder);
                audio.setChannels(info.getAudio().getChannels());
                audio.setBitRate(info.getAudio().getBitRate());
                audio.setSamplingRate(info.getAudio().getSamplingRate());
                attrs.setAudioAttributes(audio);
            }else{
                attrs.setAudioAttributes(null);
            }
            Encoder encoder = new Encoder();
			encoder.encode(multimediaObject, target, attrs);
			log.info("转换视频格式成功！");
			return "";
		} catch (Exception e) {
			log.error("转换视频格式发生错误：", e);
			return e.getMessage();
		}
	}

	private static void logVideoInfo(MultimediaInfo info) {
		log.info("原文件格式：" + info.getFormat());
		log.info("原播放时长：" + (info.getDuration() / 1000L / 60L) + "分钟");

        if(info.getAudio()!=null){
            log.info("原音频编码：" + info.getAudio().getDecoder());
            log.info("原音频频道：" + info.getAudio().getChannels());
            log.info("原音频比特率：" + (info.getAudio().getBitRate() / 1000) + "每秒");// 越大越清晰
            log.info("原音频帧率：" + info.getAudio().getSamplingRate());
        }else{
            log.info("无音频......");
        }

		log.info("原视频编码：" + info.getVideo().getDecoder());
		log.info("原视频宽高：" + info.getVideo().getSize().getWidth() + "," + info.getVideo().getSize().getHeight());
		log.info("原视频比特率：" + (info.getVideo().getBitRate() / 1000) + "每秒");// 越大越清晰
		log.info("原视频帧率：" + (info.getVideo().getFrameRate()));// 越高越连贯
	}

    public static void main(String[] args) {
//        convertMediaToMp4("D:\\desktop\\Video_2024-03-12_212432.wmv",true);
        saveOneImage("D:\\desktop\\Video_2024-03-12_212432.wmv");
    }
}


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    MediaConverter

    package com.tang;

import lombok.extern.slf4j.Slf4j;

import javax.swing.*;
import java.awt.*;
import java.io.File;

/**
 * 视频转换工具
 * @author tang
 */
@Slf4j
public class MediaConverter  extends JFrame {

    JTextField sourcePathField;

    private MediaConverter() {
        setTitle("视频转换工具(by tzc)");
        setSize(600, 200);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel root = new JPanel();
        setContentPane(root);

        root.setLayout(new BorderLayout());

        JPanel gridPanel = new JPanel();
        gridPanel.setLayout(new GridLayout(2,1));

        root.add(gridPanel, BorderLayout.CENTER);

        JPanel infoPanel1 = new JPanel();
        gridPanel.add(infoPanel1);

        infoPanel1.setLayout(new FlowLayout(FlowLayout.CENTER));
        infoPanel1.setBackground(Color.gray);

        infoPanel1.add(new JLabel("原视频："));
        sourcePathField = new JTextField(40);
        sourcePathField.setText("");
        infoPanel1.add(sourcePathField);

        JButton selectFileBtn = new JButton("选择");
        selectFileBtn.addActionListener(e -> {
            JFileChooser fileChooser = new JFileChooser();
            int option = fileChooser.showDialog(MediaConverter.this, "选择要转换的视频文件");
            if(option==JFileChooser.APPROVE_OPTION){
                File file = fileChooser.getSelectedFile();
                String fileName = file.getAbsolutePath();
                sourcePathField.setText(fileName);
            }else{
                sourcePathField.setText("");
            }
        });
        infoPanel1.add(selectFileBtn);

        JPanel infoPanel2 = new JPanel();
        gridPanel.add(infoPanel2);

        infoPanel2.setLayout(new FlowLayout(FlowLayout.CENTER));
        infoPanel2.setBackground(Color.gray);

        JButton startBtn = new JButton("转换成MP4");
        startBtn.addActionListener(e -> {
            if(sourcePathField.getText().isEmpty()){
                JOptionPane.showMessageDialog(MediaConverter.this, "请选择视频文件！");
                return;
            }
            String err = MediaUtil.convertMediaToMp4(sourcePathField.getText());
            if(err.isEmpty()){
                JOptionPane.showMessageDialog(MediaConverter.this, "转换成功！");
            }else{
                JOptionPane.showMessageDialog(MediaConverter.this, "转换失败！");
            }
        });
        infoPanel2.add(startBtn);

        JButton cutImageBtn = new JButton("截取封面");
        cutImageBtn.addActionListener(e -> {
            if(sourcePathField.getText().isEmpty()){
                JOptionPane.showMessageDialog(MediaConverter.this, "请选择视频文件！");
                return;
            }
            String err = MediaUtil.saveOneImage(sourcePathField.getText());
            if(err.isEmpty()){
                JOptionPane.showMessageDialog(MediaConverter.this, "截取成功！");
            }else{
                JOptionPane.showMessageDialog(MediaConverter.this, "截取失败！");
            }
        });
        infoPanel2.add(cutImageBtn);

    }

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel(com.sun.java.swing.plaf.windows.WindowsLookAndFeel.class.getName());
        MediaConverter jFrame = new MediaConverter();
        jFrame.setVisible(true);
    }
}


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  • 原文地址：https://blog.csdn.net/u012643122/article/details/136686674