调用ffmpeg视频压缩工具类

package com.example.demo;

import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.CannedAccessControlList;
import com.aliyun.oss.model.CreateBucketRequest;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import it.sauronsoftware.jave.*;
import net.coobird.thumbnailator.Thumbnails;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;
import java.util.*;

/**
 * @Auther: xiyou
 * @Date: 2019/4/11 15:40
 * @Description:
 */
@Component
public class Util {

    private static Logger logger = LoggerFactory.getLogger(Util.class);

    @Value("${endpoint}") private String endpoint;

    @Value("${accessId}") private String accessId;

    @Value("${accessKey}") private String accessKey;

    @Value("${bucket}") private String bucket;

    @Value("${host}") private String host;

    @Value("${callbackUrl}") private String callbackUrl;

    @Value("${dir}") private String dir;

    //Windows下 ffmpeg.exe的路径
    private static String ffmpegEXE = "D:/ffmpeg/bin/ffmpeg.exe";

    //Linux与mac下  ffmpeg的路径
    //private static String ffmpegEXE = "/developer/ffmpeg-4.0/bin/ffmpeg";

    // 图片类型数组
    public String[] arrImage = { "bmp", "jpg", "png", "jpeg" };
    // 视频类型数组
    public String[] arrVideo = { "mp4", "mov", "3gp" };

    /**
     * 压缩图片
     */
    public void zipPic(MultipartFile file, String proFileName, String suffixName) throws Exception {
        Thumbnails.of(file.getInputStream()) // 文件流或者文件 或者文件数组
                  .scale(0.5)  // 缩放比
                  .outputFormat(suffixName) // 输出格式
                  .outputQuality(0.8) // 输出质量
                  .toFile(proFileName); // 输出文件
    }

    /**
     * 删除文件
     */
    public void delFile(String fileName) {
        File deFile = new File(fileName);
        if (deFile.exists()) {
            deFile.delete();
        }
    }

    /**
     * 压缩视频
     */
    public void zipVideo(MultipartFile file, String proFileName, String suffixName) throws IOException {
        String fileName = getFileName(file);
        File source = new File(fileName);
        File target = new File(proFileName + "." + suffixName);
        try {
            // 音频编码设置
            AudioAttributes audio = new AudioAttributes();
            audio.setCodec("libmp3lame");
            audio.setBitRate(new Integer(64000));
            audio.setChannels(new Integer(1));
            audio.setSamplingRate(new Integer(22050));

            // 视频编码设置
            VideoAttributes video = new VideoAttributes();
            video.setCodec("mpeg4");
            video.setBitRate(new Integer(160000));
            video.setFrameRate(new Integer(15));
            //            video.setSize(new VideoSize(100, 150));

            // 视频转码编码设置
            EncodingAttributes attrs = new EncodingAttributes();
            attrs.setFormat(suffixName);
            attrs.setAudioAttributes(audio);
            attrs.setVideoAttributes(video);

            // 编码器
            Encoder encoder = new Encoder();
            encoder.encode(source, target, attrs);
        } catch (EncoderException e) {
            e.printStackTrace();
        }
    }

    /**
     * MultipartFile 转 File
     */
    public void inputStreamToFile(InputStream ins, File file) {
        try {
            OutputStream os = new FileOutputStream(file);
            int bytesRead = 0;
            byte[] buffer = new byte[8192];
            while ((bytesRead = ins.read(buffer, 0, 8192)) != -1) {
                os.write(buffer, 0, bytesRead);
            }
            os.close();
            ins.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 判断图片类型
     */
    public boolean JudgeFileType(String[] arr, String targetValue) {
        return Arrays.asList(arr).contains(targetValue);
    }

    /**
     * MultipartFile 转 File 获取文件名称
     */
    public String getFileName(MultipartFile file) throws IOException {
        File toFile = null;
        if (file.equals("") || file.getSize() <= 0) {
            file = null;
        } else {
            InputStream ins = null;
            ins = file.getInputStream();
            toFile = new File(file.getOriginalFilename());
            inputStreamToFile(ins, toFile);
            ins.close();
        }
        return String.valueOf(toFile);
    }

    /***
     * 活体视频验证返回信息
     * @param line
     * @return
     */
    public CommonResult identityResultInfo(String line) {
        CommonResult result = new CommonResult();
        JSONObject json = JSONObject.parseObject(line);
        String code = json.getString("code");
        String message = json.getString("message");
        String passed = json.getString("passed");
        Object liveness_score = json.get("liveness_score");
        Double verification_score = json.getDouble("verification_score");
        Object image_id = json.get("image_id");
        Object image_timestamp = json.get("image_timestamp");
        Object base64_image = json.get("base64_image");
        Object request_id = json.get("request_id");
        if ("true".equals(passed) && "1000".equals(code)) {
            if (rangeInDefined(verification_score)) {
                result.setResultCode(code);
                result.setResultMsg(passed);
                result.setModel("活体验证成功，人脸比对得分通过");
            } else {
                result.setResultCode("1001");
                result.setResultMsg("false");
                result.setModel("人脸比对得分不通过");
            }
        } else {
            result.setResultCode(code);
            result.setResultMsg(message);
            result.setModel("活体验证不通过");
        }
        return result;
    }

    /***
     * 判断身份证认证是否成功
     * @param line
     * @return
     */
    public boolean ocrResultInfos(String line) {
        boolean flag = false;
        JSONObject json = JSONObject.parseObject(line);
        String code = json.getString("code");
        String passed = json.getString("passed");
        Object liveness_score = json.get("liveness_score");
        Double verification_score = json.getDouble("verification_score");
        Object image_id = json.get("image_id");
        Object image_timestamp = json.get("image_timestamp");
        Object base64_image = json.get("base64_image");
        Object request_id = json.get("request_id");
        if ("true".equals(passed) && "1000".equals(code)) {
            if (rangeInDefined(verification_score)) {
                flag = true;
                return flag;
            }
        }
        return flag;
    }

    /***
     * 判断身份证认证是否成功
     * @param line
     * @return
     */
    public boolean idcardResultInfos(String line) {
        boolean flag = false;
        JSONObject json = JSONObject.parseObject(line);
        String code = json.getString("code");
        String validity = json.getString("validity");
        String side = json.getString("side");
        JSONObject validityJson = JSONObject.parseObject(validity);
        if ("1000".equals(code) && "front".equals(side)) {
            String name = validityJson.getString("name");
            String gender = validityJson.getString("gender");
            String address = validityJson.getString("address");
            String number = validityJson.getString("number");
            String birthday = validityJson.getString("birthday");
            if ("true".equals(name) && "true".equals(gender) && "true".equals(address) && "true".equals(number) && "true".equals(birthday)) {
                flag = true;
            }
        } else if ("1000".equals(code) && "back".equals(side)) {
            String authority = validityJson.getString("authority");
            String timelimit = validityJson.getString("timelimit");
            if ("true".equals(authority) && "true".equals(timelimit)) {
                flag = true;
            }
        }
        return flag;
    }

    /***
     * 判断人脸比对得分阈值在0.5到1的区间
     * @param current
     * @return
     */
    public boolean rangeInDefined(double current) {
        double min = 0.5;
        double max = 1.0;
        return Math.max(min, current) == Math.min(current, max);
    }

    public Map fileReName(MultipartFile file) {
        Map map = new HashMap();
        // 文件名
        String filename = file.getOriginalFilename();
        // 获取文件名
        String prefixname = filename.substring(0, filename.lastIndexOf("."));
        // 获取文件后缀名
        String suffixname = filename.substring(filename.lastIndexOf(".") + 1);

        String proFileName = String.valueOf(System.currentTimeMillis());
        proFileName = prefixname + proFileName;
        map.put("filename", filename);
        map.put("prefixname", prefixname);
        map.put("suffixname", suffixname);
        map.put("proFileName", proFileName);
        return map;
    }

    /**
     * 上传文件
     */
    public String upLoad(File file) {
        String endpoint = this.endpoint;
        String accessKeyId = this.accessId;
        String accessKeySecret = this.accessKey;
        String bucketName = this.bucket;
        String fileHost = this.host;
        String dir = this.dir;
        // 判断文件
        if (file == null) {
            return null;
        }
        OSSClient client = new OSSClient(endpoint, accessKeyId, accessKeySecret);
        try {
            // 判断容器是否存在,不存在就创建
            if (!client.doesBucketExist(bucketName)) {
                client.createBucket(bucketName);
                CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);
                createBucketRequest.setCannedACL(CannedAccessControlList.PublicRead);
                client.createBucket(createBucketRequest);
            }
            InputStream in = new FileInputStream(file);
            final String Random = RandomNumUtil.RandomChar();
            // 设置文件路径和名称
            String fileUrl = fileHost + "/" + (dir + Random + file.getName());
            // 上传文件
            PutObjectResult result = client.putObject(new PutObjectRequest(bucketName, dir + Random + file.getName(), in));
            // 设置权限(公开读)
            client.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);
            if (result != null) {
//                logger.info("------OSS文件上传成功------" + fileUrl);
                return fileUrl;
            }
        } catch (OSSException oe) {
            oe.printStackTrace();
            logger.error(oe.getMessage());
        } catch (ClientException ce) {
            ce.printStackTrace();
            logger.error(ce.getErrorMessage());
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } finally {
            if (client != null) {
                client.shutdown();
            }
        }
        return null;
    }

    // ffmpeg -i C:\Users\10375\Desktop\learner-demo.m4v -b:v 400k -s 960x540 newfiles/learner-demo.mp4
    /**
     * 压缩视频
     * 功能描述:
     * @Author xiyou
     * @Description
     * @Date 20:29 2019/4/15
     * @Param
     * @return
     **/
    public void convetors(MultipartFile file, String proFileName, String suffixName)
            throws Exception {
        String fileName = getFileName(file);
        File source = new File(fileName);
        File target = new File(proFileName + "." + suffixName);
        List command = new ArrayList();
        command.add(ffmpegEXE);
        command.add("-i");
        command.add(String.valueOf(source));
        command.add("-b:v");
        command.add("400k");
        command.add("-s");
        command.add("544x960");
        command.add(String.valueOf(target));
        System.out.println("命令：" + command);
        ProcessBuilder builder = new ProcessBuilder(command);
        Process process = null;
        try {
            process = builder.start();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // 使用这种方式会在瞬间大量消耗CPU和内存等系统资源，所以这里我们需要对流进行处理
        InputStream errorStream = process.getErrorStream();
        InputStreamReader inputStreamReader = new InputStreamReader(errorStream);
        BufferedReader br = new BufferedReader(inputStreamReader);

        String line = "";
        while ((line = br.readLine()) != null) {
        }
        if (br != null) {
            br.close();
        }
        if (inputStreamReader != null) {
            inputStreamReader.close();
        }
        if (errorStream != null) {
            errorStream.close();
        }

    }

}