视屏功能升级

src/main/java/com/gyee/frame/controller/gen/ChatDetailController.java

@@ -129,6 +129,7 @@ public class ChatDetailController {
                 vo.setType(po.getChattypes());
                 vo.setTime(dateFormat.format(po.getChattime()));
                 vo.setContentDuration(po.getRemark1());
+                vo.setImgurl(po.getRemark2());
                 ls.add(vo);
             }
         }
@@ -204,6 +205,12 @@ public class ChatDetailController {
         {
             po.setRemark1(vo.getContentDuration());
         }
+        if(vo.getType().endsWith("4") && StringUtils.isNotEmpty(vo.getContent()))
+        {
+            String temp=vo.getContent();
+            temp=temp.substring(0,temp.length()-4)+".jpg";
+            po.setRemark2(temp);
+        }
         //获取IP地址
         String ipAddress = IpUtil.getIpAddr(request);
 

src/main/java/com/gyee/frame/controller/gen/PhotoController.java

@@ -5,6 +5,7 @@ import com.gyee.frame.common.conf.V2Config;
 import com.gyee.frame.model.auto.Weatherfd;
 import com.gyee.frame.model.auto.Windpowerinfoday;
 import com.gyee.frame.model.custom.ImgVo;
+import com.gyee.frame.util.ImgTools;
 import com.gyee.frame.util.StringUtils;
 import org.springframework.stereotype.Controller;
 import org.springframework.util.Base64Utils;
@@ -87,6 +88,7 @@ public class PhotoController {
                 String fn=toFilename(type,c,year,month,".mp4");
                 directoryurl.append(c.getTime().getTime()).append(".mp4");
                 dest = new File(fn);
+
             }
 
 
@@ -96,6 +98,19 @@ public class PhotoController {
             } catch (IOException e) {
                 e.printStackTrace();
             }
+
+            if(fileName.indexOf(".mp4")!=-1)
+            {
+                String fn=toFilename(type,c,year,month,".mp4");
+                String temp=fn.substring(0,fn.length()-4);
+                dest = new File(temp+".jpg");
+
+                try {
+                    ImgTools.randomGrabberFFmpegVideoImage(fn,dest);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
             return String.valueOf(directoryurl);
         }
         else

src/main/java/com/gyee/frame/model/custom/DatasVo.java

@@ -13,6 +13,15 @@ public class DatasVo {
     private String type;
     private String content;
     private String contentDuration;
+    private String imgurl;
+
+    public String getImgurl() {
+        return imgurl;
+    }
+
+    public void setImgurl(String imgurl) {
+        this.imgurl = imgurl;
+    }
 
     public String getTime() {
         return time;

src/main/java/com/gyee/frame/util/ImgTools.java

@@ -0,0 +1,146 @@
+package com.gyee.frame.util;
+
+import org.bytedeco.javacpp.opencv_core;
+import org.bytedeco.javacpp.opencv_core.IplImage;
+import org.bytedeco.javacv.FFmpegFrameGrabber;
+import org.bytedeco.javacv.Frame;
+import org.bytedeco.javacv.Java2DFrameConverter;
+import org.bytedeco.javacv.OpenCVFrameConverter;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.*;
+
+
+public class ImgTools {
+
+
+//    public static void main(String[] args) throws Exception {
+//        ImgTools imgTools = new ImgTools();
+//        System.out.println(imgTools.randomGrabberFFmpegVideoImage
+//                ("视频地址，可以是网络视频，也可以是本地视频"));
+//    }
+
+    /**
+     * 获取视频缩略图
+     *
+     * @param filePath：视频路径
+     * @param file：图片文件
+     * @throws Exception
+     */
+    public static String randomGrabberFFmpegVideoImage(String filePath,File file) throws Exception {
+        String targetFilePath = "";
+        FFmpegFrameGrabber ff = FFmpegFrameGrabber.createDefault(filePath);
+        ff.start();
+        //判断是否是竖屏小视频
+        String rotate = ff.getVideoMetadata("rotate");
+        int ffLength = ff.getLengthInFrames();
+        Frame f;
+        int i = 0;
+        int index = 3;//截取图片第几帧
+        while (i < ffLength) {
+            f = ff.grabImage();
+            if (i == index) {
+                if (null != rotate && rotate.length() > 1) {
+                    doExecuteFrame(f, true,file);  //获取缩略图
+                } else {
+                    doExecuteFrame(f, false,file);   //获取缩略图
+                }
+                break;
+            }
+            i++;
+        }
+        ff.stop();
+        return targetFilePath;  //返回的是视频第N帧
+    }
+
+    /**
+     * 截取缩略图，存入指定路径
+     *
+     * @param f
+     * @return
+     * @throws Exception
+     */
+    public static void doExecuteFrame(Frame f, boolean bool,File file) throws Exception {
+        Java2DFrameConverter converter = new Java2DFrameConverter();
+        BufferedImage bi = converter.getBufferedImage(f);
+        if (bool == true) {
+            Image image = (Image) bi;
+            bi = rotate(image, 90);//图片旋转90度
+        }
+        ByteArrayOutputStream os = new ByteArrayOutputStream();
+        ImageIO.write(bi, "png", os);
+        byte[] sdf = os.toByteArray();
+        InputStream input = new ByteArrayInputStream(os.toByteArray());
+        MultipartFile multipartFile = new MockMultipartFile("temp.jpg", "temp.jpg", "temp.jpg", input);
+//        Aliyunoss aliyunoss = new Aliyunoss();
+//        //如需了解阿里云OSS，请详读我的另一篇博客（"https://blog.csdn.net/weixin_44401989/article/details/105732856"）
+//        String url = aliyunoss.uploadAli(multipartFile, aliyuVideonImg);
+
+        try {
+            multipartFile.transferTo(file); //写入文件流
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+
+    }
+
+    /**
+     * 图片旋转角度
+     *
+     * @param src   源图片
+     * @param angel 角度
+     * @return 目标图片
+     */
+    public static BufferedImage rotate(Image src, int angel) {
+        int src_width = src.getWidth(null);
+        int src_height = src.getHeight(null);
+        // calculate the new image size
+        Rectangle rect_des = CalcRotatedSize(new Rectangle(new Dimension(
+                src_width, src_height)), angel);
+
+        BufferedImage res = null;
+        res = new BufferedImage(rect_des.width, rect_des.height,
+                BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2 = res.createGraphics();
+        // transform(这里先平移、再旋转比较方便处理；绘图时会采用这些变化，绘图默认从画布的左上顶点开始绘画，源图片的左上顶点与画布左上顶点对齐，然后开始绘画，修改坐标原点后，绘画对应的画布起始点改变，起到平移的效果；然后旋转图片即可)
+
+        //平移（原理修改坐标系原点，绘图起点变了，起到了平移的效果，如果作用于旋转，则为旋转中心点）
+        g2.translate((rect_des.width - src_width) / 2, (rect_des.height - src_height) / 2);
+
+
+        //旋转（原理transalte(dx,dy)->rotate(radians)->transalte(-dx,-dy);修改坐标系原点后，旋转90度，然后再还原坐标系原点为(0,0),但是整个坐标系已经旋转了相应的度数 ）
+        g2.rotate(Math.toRadians(angel), src_width / 2, src_height / 2);
+
+//        //先旋转（以目标区域中心点为旋转中心点，源图片左上顶点对准目标区域中心点，然后旋转）
+//        g2.translate(rect_des.width/2,rect_des.height/ 2);
+//        g2.rotate(Math.toRadians(angel));
+//        //再平移（原点恢复到源图的左上顶点处（现在的右上顶点处），否则只能画出1/4）
+//        g2.translate(-src_width/2,-src_height/2);
+
+
+        g2.drawImage(src, null, null);
+        return res;
+    }
+
+    /**
+     * 计算转换后目标矩形的宽高
+     *
+     * @param src   源矩形
+     * @param angel 角度
+     * @return 目标矩形
+     */
+    private static Rectangle CalcRotatedSize(Rectangle src, int angel) {
+        double cos = Math.abs(Math.cos(Math.toRadians(angel)));
+        double sin = Math.abs(Math.sin(Math.toRadians(angel)));
+        int des_width = (int) (src.width * cos) + (int) (src.height * sin);
+        int des_height = (int) (src.height * cos) + (int) (src.width * sin);
+        return new java.awt.Rectangle(new Dimension(des_width, des_height));
+    }
+
+}

src/main/resources/application.yml

@@ -57,8 +57,8 @@ spring :
     active : dev
   servlet:
     multipart:
-      max-request-size: 100MB
-      maxFileSize : 10MB
+      max-request-size: 1000MB
+      maxFileSize : 100MB
         #shiro 报错修改的地方
     max-connections: 200000
     max-http-post-size: 9000000