视频压缩:
参考:
(61条消息) JAVA,实现视频压缩(最全)seniorShen的博客-CSDN博客压缩视频实现 博客
引入
<!-- 视频压缩 -->
<dependency>
<groupId>ws.schild</groupId>
<artifactId>jave-core</artifactId>
<version>3.0.0</version>
</dependency>
<!-- 在windows上开发 开发机可实现压缩效果 window64位 -->
<dependency>
<groupId>ws.schild</groupId>
<artifactId>jave-nativebin-win64</artifactId>
<version>3.0.0</version>
</dependency>
<!-- 在linux上部署 linux服务器需要这个才能生效 linux64位 -->
<dependency>
<groupId>ws.schild</groupId>
<artifactId>jave-nativebin-linux64</artifactId>
<version>3.0.0</version>
</dependency>
/**
* Copyright (C) 2018-2021
* All rights reserved, Designed By www.yixiang.co
*/
package co.gpthome.tools.rest;
import co.gpthome.tools.domain.QiniuContent;
import co.gpthome.tools.service.LocalStorageService;
import co.gpthome.tools.service.QiNiuService;
import co.gpthome.tools.utils.VideoUtils;
import co.gpthome.utils.FileUtil;
import co.gpthome.utils.ImageUtils;
import co.gpthome.utils.RedisUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* @author seeklife
* @date 2023/1/5 16:58
*/
@Api(tags = "前端富文本文件上传")
@RestController
@RequestMapping("/api/editor/upload")
@Slf4j
@SuppressWarnings("unchecked")
public class UploadVideoController {
private final LocalStorageService localStorageService;
private final QiNiuService qiNiuService;
private final RedisUtils redisUtils;
public UploadVideoController(LocalStorageService localStorageService, QiNiuService qiNiuService,
RedisUtils redisUtils) {
this.localStorageService = localStorageService;
this.qiNiuService = qiNiuService;
this.redisUtils = redisUtils;
}
@ApiOperation("上传文件")
@PostMapping
public ResponseEntity<Object> create(@RequestParam(defaultValue = "") String name,
@RequestParam(defaultValue = "") String type,
@RequestParam("file") MultipartFile[] files) throws IOException {
StringBuilder url = new StringBuilder();
QiniuContent qiniuContent;
for (MultipartFile file : files) {
if(ImageUtils.checkSuffix(file.getOriginalFilename()) &&
ImageUtils.checkFileSize(file.getSize(), 10, "M")){
qiniuContent = qiNiuService.upload(VideoUtils.compressionVideo(file,file.getOriginalFilename()), qiNiuService.find(), true);
}else {
qiniuContent = qiNiuService.upload(file, qiNiuService.find(), true);
}
if ("".equals(url.toString())) {
url = url.append(qiniuContent.getUrl());
}else{
url = url.append(","+qiniuContent.getUrl());
}
}
Map<String, Object> map = new HashMap<>(2);
map.put("errno", 0);
map.put("link", url);
return new ResponseEntity(map, HttpStatus.CREATED);
}
}
VideoUtils
package co.gpthome.tools.utils;
import co.gpthome.utils.FileUtil;
import org.apache.http.entity.ContentType;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.web.multipart.MultipartFile;
import ws.schild.jave.Encoder;
import ws.schild.jave.MultimediaObject;
import ws.schild.jave.encode.AudioAttributes;
import ws.schild.jave.encode.EncodingAttributes;
import ws.schild.jave.encode.VideoAttributes;
import ws.schild.jave.info.AudioInfo;
import ws.schild.jave.info.VideoSize;
import java.io.*;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.channels.FileChannel;
/**
* @author seeklife
* 视频压缩工具类
* @date 2023年01月05日 17:17
*/
public class VideoUtils {
@Value("${file.videoPath}")
private static String path;
/**
* 传视频File对象(这是一个具体的文件),返回压缩后File对象信息
* @param source
*/
public static MultipartFile compressionVideo(MultipartFile source, String picName) {
if(source == null){
return null;
}
File temSource = FileUtil.toFile(source);
String newPath = path + picName;//temSource.getAbsolutePath().substring(0, temSource.getAbsolutePath().lastIndexOf(File.separator)).concat(File.separator).concat(picName);
File target = new File(newPath);
try {
MultimediaObject object = new MultimediaObject(temSource);
AudioInfo audioInfo = object.getInfo().getAudio();
// 根据视频大小来判断是否需要进行压缩,
int maxSize = 5;
double mb = Math.ceil(temSource.length()/ 1048576);
int second = (int)object.getInfo().getDuration()/1000;
BigDecimal bd = new BigDecimal(String.format("%.4f", mb/second));
System.out.println("开始压缩视频了--> 视频每秒平均 "+ bd +" MB ");
// 视频 > 5MB, 或者每秒 > 0.5 MB 才做压缩, 不需要的话可以把判断去掉
boolean temp = mb > maxSize || bd.compareTo(new BigDecimal(0.5)) > 0;
// if(temp){
long time = System.currentTimeMillis();
//TODO 视频属性设置
int maxBitRate = 128000;
int maxSamplingRate = 44100;
int bitRate = 800000;
int maxFrameRate = 20;
int maxWidth = 1280;
AudioAttributes audio = new AudioAttributes();
// 设置通用编码格式10 audio.setCodec("aac");
// 设置最大值:比特率越高,清晰度/音质越好
// 设置音频比特率,单位:b (比特率越高,清晰度/音质越好,当然文件也就越大 128000 = 182kb)
if(audioInfo.getBitRate() > maxBitRate){
audio.setBitRate(new Integer(maxBitRate));
}
// 设置重新编码的音频流中使用的声道数(1 =单声道,2 = 双声道(立体声))。如果未设置任何声道值,则编码器将选择默认值 0。
audio.setChannels(audioInfo.getChannels());
// 采样率越高声音的还原度越好,文件越大
// 设置音频采样率,单位:赫兹 hz
// 设置编码时候的音量值,未设置为0,如果256,则音量值不会改变
// audio.setVolume(256);
if(audioInfo.getSamplingRate() > maxSamplingRate){
audio.setSamplingRate(maxSamplingRate);
}
//TODO 视频编码属性配置
ws.schild.jave.info.VideoInfo videoInfo = object.getInfo().getVideo();
VideoAttributes video = new VideoAttributes();
video.setCodec("h264");
//设置音频比特率,单位:b (比特率越高,清晰度/音质越好,当然文件也就越大 800000 = 800kb)
if(videoInfo.getBitRate() > bitRate){
video.setBitRate(bitRate);
}
// 视频帧率:15 f / s 帧率越低,效果越差
// 设置视频帧率(帧率越低,视频会出现断层,越高让人感觉越连续),视频帧率(Frame rate)是用于测量显示帧数的量度。所谓的测量单位为每秒显示帧数(Frames per Second,简:FPS)或“赫兹”(Hz)。
if(videoInfo.getFrameRate() > maxFrameRate){
video.setFrameRate(maxFrameRate);
}
// 限制视频宽高
int width = videoInfo.getSize().getWidth();
int height = videoInfo.getSize().getHeight();
if(width > maxWidth){
float rat = (float) width / maxWidth;
video.setSize(new VideoSize(maxWidth,(int)(height/rat)));
}
EncodingAttributes attr = new EncodingAttributes();
// attr.setFormat("mp4");
attr.setAudioAttributes(audio);
attr.setVideoAttributes(video);
// 速度最快的压缩方式, 压缩速度 从快到慢: ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow and placebo.
// attr.setPreset(PresetUtil.VERYFAST);
// attr.setCrf(27);
// // 设置线程数
// attr.setEncodingThreads(Runtime.getRuntime().availableProcessors()/2);
Encoder encoder = new Encoder();
encoder.encode(new MultimediaObject(temSource), target, attr);
System.out.println("压缩总耗时:" + (System.currentTimeMillis() - time)/1000);
// return target;
FileInputStream inputStream = new FileInputStream(target);
MultipartFile multipartFile = new MockMultipartFile(picName, picName,
ContentType.APPLICATION_OCTET_STREAM.toString(), inputStream);
return multipartFile;
// }
} catch (Exception e) {
e.printStackTrace();
}finally {
if(target.length() > 0){
temSource.delete();
}
}
return source;
}
}
ImageUtils
package co.gpthome.utils;
import net.coobird.thumbnailator.Thumbnails;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.entity.ContentType;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* 图片压缩工具类
* @author huanghao
* @date 2022年03月11日 16:25
*/
public class ImageUtils {
@Value("${file.path}")
private static String path;
/**
* 图片按比例压缩
* @author huanghao
* @date 2022/3/12 8:58
* @param file
* @return java.io.File
*/
public static MultipartFile compressImage(MultipartFile file) throws IOException {
String imageName = file.getOriginalFilename();
FileOutputStream outputStream = new FileOutputStream(path+imageName);
Thumbnails.of(FileUtil.toFile(file))
.scale(1f) //图片大小(长宽)压缩 从0按照
.outputQuality(1f) //图片质量压缩比例 从0-1,越接近1质量越好
.toOutputStream(outputStream);
outputStream.close();
//file转MultipartFile
FileInputStream inputStream = new FileInputStream(new File(path+imageName));
MultipartFile multipartFile = new MockMultipartFile(imageName, imageName,
ContentType.APPLICATION_OCTET_STREAM.toString(), inputStream);
return multipartFile;
}
/**
* 判断文件大小
*
* @param len
* 文件长度
* @param size
* 限制大小
* @param unit
* 限制单位(B,K,M,G)
* @return
*/
public static boolean checkFileSize(Long len, int size, String unit) {
double fileSize = 0;
if ("B".equals(unit.toUpperCase())) {
fileSize = (double) len;
} else if ("K".equals(unit.toUpperCase())) {
fileSize = (double) len / 1024;
} else if ("M".equals(unit.toUpperCase())) {
fileSize = (double) len / 1048576;
} else if ("G".equals(unit.toUpperCase())) {
fileSize = (double) len / 1073741824;
}
if (fileSize < size) {
return false;
}
return true;
}
/**
* 验证文件是否是图片
* @author huanghao
* @date 2022/3/12 9:42
* @param imgPath
* @return boolean
*/
public static boolean checkSuffix(String imgPath) {
Boolean flag =false;
//图片格式
String[] FILETYPES = new String[]{
".jpg", ".jpeg", ".png",
".JPG", ".JPEG", ".PNG"
};
if(!StringUtils.isBlank(imgPath)){
for (int i = 0; i < FILETYPES.length; i++) {
String fileType = FILETYPES[i];
if (imgPath.endsWith(fileType)) {
flag = true;
break;
}
}
}
return flag;
}
public static void delImage(String imageName) {
File file = new File("/usr/local/src/image/"+imageName);
//判断文件是否存在
if (file.exists() == true){
Boolean flag = false;
flag = file.delete();
if (flag){
System.out.println("成功删除图片"+file.getName());
}else {
System.out.println("删除失败");
}
}
}
/**
* Base64图片字符串转换成MultipartFile
* @author huanghao
* @date 2022/5/18 14:19
* @param base64
* @return org.springframework.web.multipart.MultipartFile
*/
public static MultipartFile base64ToMultipartFile(String base64) {
//base64编码后的图片有头信息所以要分离出来 [0]data:image/png;base64, 图片内容为索引[1]
String[] baseStrs = base64.split(",");
//取索引为1的元素进行处理
byte[] b = Base64.decodeBase64(baseStrs[1]);
for (int i = 0; i < b.length; ++i) {
if (b[i] < 0) {
b[i] += 256;
}
}
//处理过后的数据通过Base64DecodeMultipartFile转换为MultipartFile对象
return new Base64DecodeMultipartFile(b, baseStrs[0]);
}
public static void main(String[] args) {
System.out.println(checkSuffix("20220312101054521663.jpg"));
}
}
图片压缩
就是使用前边提供的ImageUtils的compressImage方法
/**
* Copyright (C) 2018-2021
* All rights reserved, Designed By www.yixiang.co
*/
package co.gpthome.tools.rest;
import co.gpthome.tools.domain.QiniuContent;
import co.gpthome.tools.service.LocalStorageService;
import co.gpthome.tools.service.QiNiuService;
import co.gpthome.utils.ImageUtils;
import co.gpthome.utils.RedisUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* @author huanghao
* @date 2020-01-09
*/
@Api(tags = "上传统一管理")
@RestController
@RequestMapping("/api/upload")
@Slf4j
@SuppressWarnings("unchecked")
public class UploadPicController {
private final LocalStorageService localStorageService;
private final QiNiuService qiNiuService;
private final RedisUtils redisUtils;
public UploadPicController(LocalStorageService localStorageService, QiNiuService qiNiuService,
RedisUtils redisUtils) {
this.localStorageService = localStorageService;
this.qiNiuService = qiNiuService;
this.redisUtils = redisUtils;
}
@ApiOperation("上传文件")
@PostMapping
public ResponseEntity<Object> create(@RequestParam(defaultValue = "") String name,
@RequestParam(defaultValue = "") String type,
@RequestParam("file") MultipartFile[] files) throws IOException {
StringBuilder url = new StringBuilder();
QiniuContent qiniuContent;
for (MultipartFile file : files) {
if(ImageUtils.checkSuffix(file.getOriginalFilename()) &&
ImageUtils.checkFileSize(file.getSize(), 4, "M")){
qiniuContent = qiNiuService.upload(ImageUtils.compressImage(file), qiNiuService.find(), true);
//清除服务器上被压缩后的图片
ImageUtils.delImage(file.getName());
}else {
qiniuContent = qiNiuService.upload(file, qiNiuService.find(), true);
}
if ("".equals(url.toString())) {
url = url.append(qiniuContent.getUrl());
}else{
url = url.append(","+qiniuContent.getUrl());
}
}
Map<String, Object> map = new HashMap<>(2);
map.put("errno", 0);
map.put("link", url);
return new ResponseEntity(map, HttpStatus.CREATED);
}
}
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