Merge branch 'main' of http://10.10.14.176:3000/huanghai/QingLong
commit
7c7053c6f6
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package UnitTest;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson.JSONObject;
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public class TestGetUrl {
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public static void main(String[] args) {
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//m3u8的lessonId
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//String lessonId = "931303979da03dfa291ed5e6531b82e5";
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//mp4的lessonId
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String lessonId = "2144ddfe45ef13b94eb06dd4e9bdee2b";
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String sourceUrl = "https://yx.ccsjy.cn/api/cloud-school/v1/cloudLesson/getById?lessonId=" + lessonId;
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String content = HttpUtil.get(sourceUrl);
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JSONObject jo = JSONObject.parseObject(content);
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String fileUrl = jo.getJSONObject("data").getJSONArray("lessonResources").getJSONObject(0).getString("fileUrl");
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if (fileUrl.contains(".mp4")) {
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fileUrl = "https://ccschool.edusoa.com/" + fileUrl;
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}
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System.out.println(fileUrl);
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}
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}
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package com.dsideal.QingLong.Render;
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import java.io.File;
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import java.io.IOException;
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import org.apache.commons.io.FileUtils;
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import com.jfinal.render.Render;
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/**
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* 用来向客户端渲染图片
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*
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* @author CC11001100
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*/
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public class ImageRender extends Render {
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/**
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* 要渲染到客户端去的图像文件
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*/
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private File imgFile;
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public ImageRender(File imgFile) {
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super();
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this.imgFile = imgFile;
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}
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public File getImgFile() {
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return imgFile;
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}
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public void setImgFile(File imgFile) {
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this.imgFile = imgFile;
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}
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/**
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* 将特定的图片写回到客户端
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*/
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public void render() {
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response.setContentType("image/jpeg");
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try {
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FileUtils.copyFile(imgFile, response.getOutputStream());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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package com.dsideal.QingLong.YunXiao.Util;
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import cn.hutool.core.util.RuntimeUtil;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson.JSONObject;
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import java.io.*;
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public class YunXiaoVideoUtil {
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//MP4的片头长10秒
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public static final int MP4 = 10;
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//MU38的片头长7秒
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public static final int M3U8 = 5;
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//ffmpeg路径
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public static final String FFMPEG_PATH = "D:\\ffmpeg\\ffmpeg.exe";
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/**
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* 获取视频封面
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*
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* @param ffmpegPath
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* @param videoInputPath
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* @param videoOutputPath
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* @return
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*/
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private static String getCmdMp4(String ffmpegPath, int seconds, String videoInputPath, String videoOutputPath) {
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return ffmpegPath + " -ss " + seconds + " -i " + videoInputPath + " -frames:v 1 -q:v 2 -s 1280x720 " + videoOutputPath;
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}
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/**
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* 截取m3u8视频封面
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*
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* @param ffmpegPath
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* @param seconds
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* @param videoInputPath
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* @param videoOutputPath
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* @return
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*/
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private static String getCmdM3u8(String ffmpegPath, int seconds, String videoInputPath, String videoOutputPath) {
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return ffmpegPath + " -i " + videoInputPath + " -ss " + seconds + " -vframes 1 -s 1280x720 " + videoOutputPath;
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}
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/**
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* 获取视频封面
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*
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* @param videoInputPath 输入的视频路径
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* @param videoOutputPath 输出的图片路径
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* @return
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*/
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public static String getCmd(String videoInputPath, String videoOutputPath) {
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if (videoInputPath.toLowerCase().endsWith(".m3u8")) {
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return getCmdM3u8(FFMPEG_PATH, M3U8, videoInputPath, videoOutputPath);
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}
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return getCmdMp4(FFMPEG_PATH, MP4, videoInputPath, videoOutputPath);
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}
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/**
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* 获取视频封面
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*
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* @param url
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* @param JpegPath
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*/
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public static void getCover(String url, String JpegPath) throws InterruptedException {
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String cmd = getCmd(url, JpegPath);
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//使用java调用ffmpeg命令行工具生成图片
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Process process = RuntimeUtil.exec(cmd);
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process.waitFor();
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}
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/**
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* 根据课程id获取它的视频地址
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* @param lessonId 课程id
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* @return
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*/
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public static String getUrlByLessonId(String lessonId){
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String sourceUrl = "https://yx.ccsjy.cn/api/cloud-school/v1/cloudLesson/getById?lessonId=" + lessonId;
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String content = HttpUtil.get(sourceUrl);
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JSONObject jo = JSONObject.parseObject(content);
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String fileUrl = jo.getJSONObject("data").getJSONArray("lessonResources").getJSONObject(0).getString("fileUrl");
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if (fileUrl.contains(".mp4")) {
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fileUrl = "https://ccschool.edusoa.com/" + fileUrl;
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}
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return fileUrl;
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}
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public static void main(String[] args) throws InterruptedException {
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String[] a = {
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"https://ccschool.edusoa.com/cloud_file/project/ccyx-0012/material/5b/c5/5bc51a9075751b69a9c1c5d722c39485.mp4",
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"https://ccmsyk-video.edusoa.com/down/M3u8/BE/BECBF507-1EAF-4301-A417-AE25593A62F1.m3u8",
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"https://ccmsyk-video.edusoa.com/down/M3u8/73/7311BCC2-D260-4D34-9B70-3722DB884CB6.m3u8",
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"https://ccmsyk-video.edusoa.com/down/M3u8/9A/9A69A401-BF92-433D-AB96-7B9965BDDD87.m3u8"
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};
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for (int i = 0; i < a.length; i++) {
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File f = new File("c:\\" + (i + 1) + ".jpg");
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if (f.exists()) f.delete();
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getCover(a[i], f.getAbsolutePath());
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}
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}
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}
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