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  • 获取视频属性工具类

    <dependency> <groupId>ws.schild</groupId> <artifactId>jave-all-deps</artifactId> <version>2.7.2</version> </dependency>

      `package com.rrk.camera.center.controller;
    
      import org.slf4j.Logger;
      import org.slf4j.LoggerFactory;
      import ws.schild.jave.*;
      import java.io.File;
      import java.io.FileInputStream;
      import java.io.IOException;
      import java.nio.channels.FileChannel;
    
      /**
       *
       * @ClassName VideoFormatUtil
       * @Description 视频格式转换工具
       * @Author geekcjj
       * @Date 2020年12月13日 上午10:52:28*/
    
    
      public class VideoFormatUtil {
    
    public static Logger Log = LoggerFactory.getLogger(VideoFormatUtil.class);
    
      /*
      *
     * 视频文件转音频文件
     * @param videoPath
     * @param audioPath
     * @return
    
      */
    
    public static boolean videoToAudio(String videoPath, String audioPath) {
        File fileMp4=new File(videoPath);
        File fileMp3=new File(audioPath);
    
        //Audio Attributes
        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("libmp3lame");
        audio.setBitRate(128000);
        audio.setChannels(2);
        audio.setSamplingRate(44100);
    
        //Encoding attributes 编码属性
        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setFormat("mp3");
        attrs.setAudioAttributes(audio);
        Encoder encoder = new Encoder();
        MultimediaObject mediaObject=new MultimediaObject(fileMp4);
        try {
            encoder.encode(mediaObject, fileMp3, attrs);
            Log.info("File MP4 convertito in MP3");
            return true;
        } catch (Exception e) {
            Log.error("File non convertito");
            Log.error(e.getMessage());
            return false;
        }
    }
    
      /**
     * 获取视频的基本信息,视频长宽高,视频的大小等
     * @param fileSource
     * @return
     */
    
    public static Long getVideoInfo(String fileSource) {
        // String filePath =
        // Utils.class.getClassLoader().getResource(fileSource).getPath();
        File source = new File(fileSource);
        //Encoder encoder = new Encoder();
        FileInputStream fis = null;
        FileChannel fc = null;
        Long videoInfo = 0L;
        try {
            MultimediaObject MultimediaObject=new MultimediaObject(source);
            MultimediaInfo m = MultimediaObject.getInfo();
            fis = new FileInputStream(source);
            fc = fis.getChannel();
            //视频时长
            videoInfo=m.getDuration();
      /* videoInfo = new VideoItem(m.getVideo().getSize().getWidth(), m.getVideo().getSize().getHeight(), fc.size(),
                    m.getDuration(), m.getFormat());*/
    
            System.out.println(m.getDuration());
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (null != fc) {
                try {
                    fc.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != fis) {
                try {
                    fis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return videoInfo;
    }
    
      /**
     * 截取视频中某一帧作为图片
     * @param videoPath
     * @param imagePath
     * @return
     */
    
    public static boolean getVideoProcessImage(String videoPath,String imagePath){
        long times = System.currentTimeMillis();
        File videoSource = new File(videoPath);
        File imageTarget = new File(imagePath);
        MultimediaObject object = new MultimediaObject(videoSource);
        try {
            MultimediaInfo multimediaInfo = object.getInfo();
            VideoInfo videoInfo=multimediaInfo.getVideo();
            VideoAttributes video = new VideoAttributes();
            video.setCodec("png");
            video.setSize(videoInfo.getSize());
            EncodingAttributes attrs = new EncodingAttributes();
            //VideoAttributes attrs = ecodeAttrs.getVideoAttributes().get();
            attrs.setFormat("image2");
            attrs.setOffset(11f);//设置偏移位置,即开始转码位置(11秒)
            attrs.setDuration(0.01f);//设置转码持续时间(1秒)
            attrs.setVideoAttributes(video);
            Encoder encoder = new Encoder();
            encoder.encode(object,imageTarget,attrs);
            return true;
        } catch (EncoderException e) {
            e.printStackTrace();
            return false;
        }
    }
    
      /**
     * m4r音频格式转换为mp3,audioPath可更换为要转换的音频格式
     * @param audioPath
     * @param mp3Path*/
    
    
    public static void m4rToMp3(String audioPath,String mp3Path){
        File source = new File(audioPath);
        File target = new File(mp3Path);
        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("libmp3lame");
        audio.setBitRate(new Integer(128000));
        audio.setChannels(new Integer(2));
        audio.setSamplingRate(new Integer(44100));
        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setFormat("mp3");
        attrs.setAudioAttributes(audio);
        Encoder encoder = new Encoder();
        try {
            encoder.encode(new MultimediaObject(source), target, attrs);
        } catch (EncoderException e) {
            e.printStackTrace();
        }
    }
    
      /**
     * 从和视频中提取音频wav
     * @param aviPath
     * @param targetWavPath*/
    
    
    public static void videoExtractAudio(String aviPath,String targetWavPath){
        File source = new File(aviPath);
        File target = new File(targetWavPath);
        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("pcm_s16le");
        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setFormat("wav");
        attrs.setAudioAttributes(audio);
        Encoder encoder = new Encoder();
        try {
            encoder.encode(new MultimediaObject(source), target, attrs);
        } catch (EncoderException e) {
            e.printStackTrace();
        }
    }
      /*
      *
     * 视频转换为手机可播放的格式
     * @param sourceVideo sourceVideo.avi
     * @param targetVideo targetVideo.3gp*/
    
    
    public static void videoToMobileVideo(String sourceVideo, String targetVideo){
        File source = new File("source.avi");
        File target = new File("target.3gp");
        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("libfaac");
        audio.setBitRate(new Integer(128000));
        audio.setSamplingRate(new Integer(44100));
        audio.setChannels(new Integer(2));
        VideoAttributes video = new VideoAttributes();
        video.setCodec("mpeg4");
        video.setBitRate(new Integer(160000));
        video.setFrameRate(new Integer(15));
        video.setSize(new VideoSize(176, 144));
        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setFormat("3gp");
        attrs.setAudioAttributes(audio);
        attrs.setVideoAttributes(video);
        Encoder encoder = new Encoder();
        try {
            encoder.encode(new MultimediaObject(source), target, attrs);
        } catch (EncoderException e) {
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args) {
        String url = "";
        getVideoInfo(url);
        System.out.println(getVideoInfo(url));
    
    }
    
    
      }
    

    `

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  • 原文地址:https://www.cnblogs.com/yoyoyu/p/14280817.html
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