package com.ruoyi.media.service.impl;
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import com.alibaba.fastjson2.JSONObject;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.media.domain.*;
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import com.ruoyi.media.service.IMediaService;
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import com.ruoyi.utils.forest.MediaClient;
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import com.ruoyi.utils.tools.ArdTool;
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import com.sun.jna.Platform;
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import io.minio.messages.Item;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.scheduling.annotation.Async;
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import org.springframework.stereotype.Service;
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import javax.annotation.PostConstruct;
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import javax.annotation.Resource;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* @Description: 流媒体业务
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* @ClassName: MediaService
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* @Author: 刘苏义
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* @Date: 2023年07月13日9:28
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* @Version: 1.0
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**/
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@Service
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@Slf4j
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public class MediaService implements IMediaService {
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@Resource
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MediaClient mediaClient;
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@Value("${mediamtx.host}")
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String mediamtxHost;
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@PostConstruct
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public void initMediaMtx() {
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if (Platform.isWindows()) {
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String exePath = System.getProperty("user.dir") + File.separator + "lib" + File.separator + "mediamtx" + File.separator + "mediamtx.exe";
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String ymlPath = System.getProperty("user.dir") + File.separator + "lib" + File.separator + "mediamtx" + File.separator + "mediamtx.yml";
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try {
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// 构建启动命令，使用cmd /c start命令来启动可执行程序并显示命令提示符窗口
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String[] cmd = {"cmd", "/c", "start", exePath,ymlPath};
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ProcessBuilder processBuilder = new ProcessBuilder(cmd);
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processBuilder.redirectErrorStream(true); // 将错误输出重定向到标准输出
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Process process = processBuilder.start();
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// 如果你想等待程序完成
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int exitCode = process.waitFor();
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} catch (IOException | InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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@Override
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public String addPath(String name, String rtspPath, String mode) {
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String rtspUrl = "rtsp://" + mediamtxHost + ":7554/";
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Conf mediaInfo = new Conf();
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//-vcodec libx264 //指定视频编码器为 libx264，使用 H.264 编码格式进行视频压缩
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//-preset ultrafast //--preset的参数主要调节编码速度和质量的平衡，有ultrafast（转码速度最快，视频往往也最模糊）、superfast、veryfast、faster、fast、medium、slow、slower、veryslow、placebo这10个选项，从快到慢
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//-r 25 //设置输出视频的帧率为 25 帧/秒
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//-rtsp_transport tcp //这个选项告诉 FFmpeg 使用 TCP 作为 RTSP 的传输协议
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//-threads 4: 指定要使用的线程数为 4。//这允许 FFmpeg 在多核处理器上使用多个线程来进行视频编码，以加快速度。
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// -i //用于指定输入媒体文件或输入流的地址
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//-f rtsp //这个选项告诉 FFmpeg 输出为 RTSP 格式。
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//CPU软解码编码
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String cmd = "ffmpeg -rtsp_transport tcp -i \"" + rtspPath + "\" -vcodec libx264 -preset:v ultrafast -r 25 -threads 4 -b:v 4096k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
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//GPU硬解码编码 -hwaccel cuvid -c:v h264_cuvid 使用cuda解码 -c:v h264_nvenc 使用cuda编码
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//String cmd = "ffmpeg -hwaccel cuvid -c:v h264_cuvid -rtsp_transport udp -i \"" + rtspPath + "\" -c:v h264_nvenc -r 25 -threads 4 -b:v 4096k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
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if (mode.equals("1")) {
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mediaInfo.setRunondemand(cmd);
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mediaInfo.setRunondemandrestart(true);
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} else {
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mediaInfo.setRunoninit(cmd);
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mediaInfo.setRunoninitrestart(true);
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}
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mediaClient.addPath(name, mediaInfo);
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return rtspUrl + name;
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}
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@Override
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public StreamInfo getPathInfo(String name) {
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Items item = mediaClient.getPathInfo(name);
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StreamInfo info = new StreamInfo();
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//ID
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info.setName(name);
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String runoninit;
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String runondemand = item.getConf().getRunondemand();
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if (StringUtils.isNotEmpty(runondemand)) {
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runoninit = item.getConf().getRunondemand();
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info.setMode("1");
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} else {
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runoninit = item.getConf().getRunoninit();
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info.setMode("2");
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}
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//RTSP源地址
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String regex = "rtsp://[^\\s\"]+";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setRtspSource(matcher.group());
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}
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return info;
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}
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@Override
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public void removePath(String[] names) {
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for (String name : names) {
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mediaClient.removePath(name);
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}
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}
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@Override
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public List<StreamInfo> paths() {
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String list = mediaClient.paths();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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List<Items> items = jsonsRoot.getItems();
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List<StreamInfo> pathInfoList = new ArrayList<>();
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for (Items item : items) {
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StreamInfo info = new StreamInfo();
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//ID
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String name = item.getName();
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info.setName(name);
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String runoninit;
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String runondemand = item.getConf().getRunondemand();
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if (StringUtils.isNotEmpty(runondemand)) {
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runoninit = item.getConf().getRunondemand();
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info.setMode("1");
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} else {
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runoninit = item.getConf().getRunoninit();
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info.setMode("2");
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}
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//RTSP源地址
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String regex = "rtsp://[^\\s\"]+";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setRtspSource(matcher.group());
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}
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//传输协议
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regex = "-rtsp_transport\\s+(\\w+)";
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pattern = Pattern.compile(regex);
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matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setProtocol(matcher.group(1));
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}
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pathInfoList.add(info);
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}
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return pathInfoList;
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}
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@Override
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public List<Items> rtspconns() {
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String list = mediaClient.rtspconns();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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return jsonsRoot.getItems();
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}
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@Override
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public List<Items> rtspsessions() {
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String list = mediaClient.rtspsessions();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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return jsonsRoot.getItems();
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}
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@Override
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public RtspSession getRtspSessionById(String sessionId) {
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String list = mediaClient.getRtspsessionById(sessionId);
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RtspSession rtspSession = JSONObject.parseObject(list, RtspSession.class);
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return rtspSession;
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}
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@Override
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public List<RtspSession> getPushStreams() {
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List<RtspSession> rtspSessions = new ArrayList<>();
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String list = mediaClient.paths();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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List<Items> items = jsonsRoot.getItems();
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for (Items item : items) {
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Source source = item.getSource();
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RtspSession rtspSession = getRtspSessionById(source.getId());
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rtspSession.setName(item.getName());
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rtspSessions.add(rtspSession);
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}
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return rtspSessions;
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}
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@Override
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public List<RtspSession> getPullStreams() {
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List<RtspSession> rtspSessions = new ArrayList<>();
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String list = mediaClient.paths();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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List<Items> items = jsonsRoot.getItems();
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for (Items item : items) {
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List<Readers> readers = item.getReaders();
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for (Readers reader : readers) {
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RtspSession rtspSession = getRtspSessionById(reader.getId());
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rtspSession.setName(item.getName());
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rtspSessions.add(rtspSession);
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}
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}
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return rtspSessions;
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}
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@Override
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public List<StreamInfo> getPushStreamList() {
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List<StreamInfo> PushStreamInfoList = new ArrayList<>();
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String list = mediaClient.paths();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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List<Items> items = jsonsRoot.getItems();
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for (Items item : items) {
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StreamInfo info = new StreamInfo();
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//ID
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String name = item.getName();
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info.setName(name);
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//RTSP播放地址
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String rtspUrl = "rtsp://" + mediamtxHost + ":7554/" + name;
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info.setRtspUrl(rtspUrl);
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Source source = item.getSource();
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if (source == null) {
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continue;
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}
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RtspSession rtspSession = getRtspSessionById(source.getId());
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//会话ID
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info.setId(rtspSession.getId());
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//开始推流时间
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info.setBeginTime(rtspSession.getCreated());
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//上行流量
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long bytesReceived = rtspSession.getBytesReceived();
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String formatReceivedSize = ArdTool.formatFileSize(bytesReceived);
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info.setUpTraffic(formatReceivedSize);
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//下行流量
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long bytesSent = rtspSession.getBytesSent();
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String formatSentSize = ArdTool.formatFileSize(bytesSent);
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info.setDownTraffic(formatSentSize);
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//RTSP源地址
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String runondemand = item.getConf().getRunondemand();
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String runoninit;
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if (StringUtils.isNotEmpty(runondemand)) {
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runoninit = item.getConf().getRunondemand();
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} else {
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runoninit = item.getConf().getRunoninit();
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}
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String regex = "rtsp://[^\\s\"]+";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setRtspSource(matcher.group());
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}
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//传输协议
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regex = "-rtsp_transport\\s+(\\w+)";
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pattern = Pattern.compile(regex);
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matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setProtocol(matcher.group(1));
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}
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//拉流数量
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List<Readers> readers = item.getReaders();
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info.setNum(readers.size());
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//推流服务器
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info.setRemoteAddr(rtspSession.getRemoteAddr());
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PushStreamInfoList.add(info);
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}
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return PushStreamInfoList;
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}
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@Override
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public List<StreamInfo> getPullStreamList() {
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List<StreamInfo> PullStreamInfoList = new ArrayList<>();
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String list = mediaClient.paths();
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JsonsRoot jsonsRoot = JSONObject.parseObject(list, JsonsRoot.class);
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List<Items> items = jsonsRoot.getItems();
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for (Items item : items) {
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StreamInfo info = new StreamInfo();
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//ID
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String name = item.getName();
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info.setName(name);
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//RTSP播放地址
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String rtspUrl = "rtsp://" + mediamtxHost + ":8554/" + name;
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info.setRtspUrl(rtspUrl);
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List<Readers> readers = item.getReaders();
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for (Readers reader : readers) {
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RtspSession rtspSession = getRtspSessionById(reader.getId());
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//会话ID
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info.setId(rtspSession.getId());
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//开始拉流时间
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info.setBeginTime(rtspSession.getCreated());
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//上行流量
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long bytesReceived = rtspSession.getBytesReceived();
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String formatReceivedSize = ArdTool.formatFileSize(bytesReceived);
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info.setUpTraffic(formatReceivedSize);
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//下行流量
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long bytesSent = rtspSession.getBytesSent();
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String formatSentSize = ArdTool.formatFileSize(bytesSent);
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info.setDownTraffic(formatSentSize);
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//传输协议
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String runoninit = item.getConf().getRunondemand();
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String regex = "-rtsp_transport\\s+(\\w+)";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(runoninit);
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if (matcher.find()) {
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info.setProtocol(matcher.group(1));
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}
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//拉流服务器
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info.setRemoteAddr(rtspSession.getRemoteAddr());
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PullStreamInfoList.add(info);
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}
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}
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return PullStreamInfoList;
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}
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@Override
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public Boolean kickRtspSession(String sessionId) {
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try {
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mediaClient.kick(sessionId);
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return true;
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} catch (Exception ex) {
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return false;
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}
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}
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}
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