From cd37af890600186215fd53c0d419c89c562e3e70 Mon Sep 17 00:00:00 2001
From: ‘liusuyi’ <1951119284@qq.com>
Date: 星期六, 23 九月 2023 16:02:06 +0800
Subject: [PATCH] 流媒体增加不转码自动按需拉流

---
 ard-work/src/main/java/com/ruoyi/media/service/impl/MediaServiceImpl.java |  107 +++++++++++++++++++++++++++++++----------------------
 1 files changed, 63 insertions(+), 44 deletions(-)

diff --git a/ard-work/src/main/java/com/ruoyi/media/service/impl/MediaServiceImpl.java b/ard-work/src/main/java/com/ruoyi/media/service/impl/MediaServiceImpl.java
index 32fc297..676071c 100644
--- a/ard-work/src/main/java/com/ruoyi/media/service/impl/MediaServiceImpl.java
+++ b/ard-work/src/main/java/com/ruoyi/media/service/impl/MediaServiceImpl.java
@@ -44,17 +44,13 @@
 
     @Value("${mediamtx.host}")
     String mediamtxHost;
-    @Value("${mediamtx.enabled}")
-    Boolean mediamtxEnabled;
     @Value("${mediamtx.software_decoding}")
     Boolean softwareDecoding;
-
-    String processName = "mediamtx.exe";
 
     @Override
     public void run(ApplicationArguments args) {
         try {
-            log.info("寮�濮嬪姞杞芥祦濯掍綋鍒楄〃");
+            log.debug("寮�濮嬪姞杞芥祦濯掍綋鍒楄〃");
             List<StreamInfo> paths = paths();
             for (StreamInfo path : paths) {
                 mediaClient.removePath(path.getName());
@@ -70,41 +66,6 @@
             }
         } catch (Exception ex) {
             log.error("鍔犺浇娴佸獟浣撳垪琛ㄥ紓甯�:" + ex.getMessage());
-        }
-    }
-
-    @PostConstruct
-    public void initMediaMtx() {
-        if (mediamtxEnabled) {
-            log.info("鍒濆鍖栧惎鍔╩ediaMTX");
-            if (Platform.isWindows()) {
-                String exePath = System.getProperty("user.dir") + File.separator + "lib" + File.separator + "mediamtx" + File.separator + "mediamtx.exe";
-                String ymlPath = System.getProperty("user.dir") + File.separator + "lib" + File.separator + "mediamtx" + File.separator + "mediamtx.yml";
-
-                List<String> cmd = new ArrayList<>();
-                cmd.add(exePath);
-                cmd.add(ymlPath);
-                if (CmdUtils.isProcessRunning(processName)) {
-                    // 杩涚▼宸茬粡鍦ㄨ繍琛岋紝缁撴潫璇ヨ繘绋�
-                    CmdUtils.stopProcess(processName);
-                }
-                // 鍚姩鍚庡彴杩涚▼
-                CmdUtils.commandStart(processName, cmd, null);
-                // 鍚姩cmd绐楀彛
-//            String[] command = {"cmd","/c","start",exePath,ymlPath};
-//            CmdUtils.commandStart(command);
-            }
-        }
-    }
-
-    @PreDestroy
-    public void destroyMediaMtx() {
-        if (mediamtxEnabled) {
-            log.info("閿�姣乵ediaMtx");
-            if (CmdUtils.isProcessRunning(processName)) {
-                // 杩涚▼宸茬粡鍦ㄨ繍琛岋紝缁撴潫璇ヨ繘绋�
-                CmdUtils.stopProcess(processName);
-            }
         }
     }
 
@@ -131,21 +92,21 @@
         //GPU纭В鐮佺紪鐮� -hwaccel cuvid -c:v h264_cuvid  浣跨敤cuda瑙g爜   -c:v h264_nvenc 浣跨敤cuda缂栫爜
         //String cmd = rootPath  + "/lib/mediamtx/" + "ffmpeg -hwaccel cuvid -c:v h264_cuvid  -rtsp_transport udp  -i " + rtspPath + " -c:v h264_nvenc  -r 25 -threads 4  -b:v 2048k -bf 0 -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
         if (isCode.equals("1")) {
-            String cmd = rootPath + "ffmpeg -rtsp_transport tcp -i " + sourceUrl + " -vcodec libx264 -preset:v ultrafast -r 25 -keyint_min 25 -g 25 -sc_threshold 0 -threads 6  -b:v 4096k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+            String cmd =  "ffmpeg -rtsp_transport tcp -i " + sourceUrl + " -vcodec libx264 -preset:v ultrafast -r 25 -keyint_min 25 -g 25 -sc_threshold 0 -threads 6  -b:v 2048k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
             if (!softwareDecoding) {
-                cmd = rootPath + "ffmpeg -hwaccel cuvid -c:v h264_cuvid  -rtsp_transport tcp  -i " + sourceUrl + " -c:v h264_nvenc  -r 25 -g 60 -threads 6  -b:v 4096k -bf 0 -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+                cmd =  "ffmpeg -hwaccel cuvid -c:v h264_cuvid  -rtsp_transport tcp  -i " + sourceUrl + " -c:v h264_nvenc  -r 25 -g 60 -threads 6  -b:v 2048k -bf 0 -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
             }
             if (mode.equals("0")) {
                 mediaInfo.setRunondemand(cmd);
                 mediaInfo.setRunondemandrestart(true);
+                mediaInfo.setRunondemandcloseafter("5s");
             } else {
                 mediaInfo.setRunoninit(cmd);
                 mediaInfo.setRunoninitrestart(true);
-                //mediaInfo.setRunonready(cmd);
-                //mediaInfo.setRunonreadyrestart(true);
             }
         } else {
             mediaInfo.setSource(sourceUrl);
+            mediaInfo.setSourceondemand(true);
         }
         mediaInfo.setMaxReaders(100);
         mediaInfo.setSourceprotocol("tcp");
@@ -158,6 +119,64 @@
     }
 
     @Override
+    public Map<String, String> editPath(String name, String sourceUrl, String mode, String isCode) {
+        String rtspUrl = "rtsp://" + mediamtxHost + ":7554/" + name;
+        String rtmpUrl = "rtmp://" + mediamtxHost + ":1935/" + name;
+        String webrtcUrl = "http://" + mediamtxHost + ":8889/" + name;
+
+        Conf mediaInfo = new Conf();
+        String rootPath = System.getProperty("user.dir").replaceAll("\\\\", "/") + "/lib/mediamtx/";
+        //-vcodec libx264 //鎸囧畾瑙嗛缂栫爜鍣ㄤ负 libx264锛屼娇鐢� H.264 缂栫爜鏍煎紡杩涜瑙嗛鍘嬬缉
+        //-preset ultrafast  //--preset鐨勫弬鏁颁富瑕佽皟鑺傜紪鐮侀�熷害鍜岃川閲忕殑骞宠 锛屾湁ultrafast锛堣浆鐮侀�熷害鏈�蹇紝瑙嗛寰�寰�涔熸渶妯$硦锛夈�乻uperfast銆乿eryfast銆乫aster銆乫ast銆乵edium銆乻low銆乻lower銆乿eryslow銆乸lacebo杩�10涓�夐」锛屼粠蹇埌鎱�
+        //-r 25 //璁剧疆杈撳嚭瑙嗛鐨勫抚鐜囦负 25 甯�/绉�
+        //-g 20 //鍏抽敭甯ч棿闅�20
+        //-sc_threshold 0 //灏嗗叾璁剧疆涓�0锛�-sc_threshold 0锛夌鐢ㄥ満鏅彉鍖栨娴�
+        //-rtsp_transport tcp //杩欎釜閫夐」鍛婅瘔 FFmpeg 浣跨敤 TCP 浣滀负 RTSP 鐨勪紶杈撳崗璁�
+        //-threads 4: 鎸囧畾瑕佷娇鐢ㄧ殑绾跨▼鏁颁负 4銆�//杩欏厑璁� FFmpeg 鍦ㄥ鏍稿鐞嗗櫒涓婁娇鐢ㄥ涓嚎绋嬫潵杩涜瑙嗛缂栫爜锛屼互鍔犲揩閫熷害銆�
+        // -i //鐢ㄤ簬鎸囧畾杈撳叆濯掍綋鏂囦欢鎴栬緭鍏ユ祦鐨勫湴鍧�
+        // -bf 0 绂佺敤B甯э紝鍥犱负webrtc鍦ㄧ綉椤佃皟鐢ㄦ椂鎺у埗鍙颁竴鐩磋緭鍑� WebRTC doesn鈥檛 support H264 streams with B-frames
+        //-f rtsp //杩欎釜閫夐」鍛婅瘔 FFmpeg 杈撳嚭涓� RTSP 鏍煎紡銆�
+        //CPU杞В鐮佺紪鐮�
+        //String cmd = rootPath + "/lib/mediamtx/" +"ffmpeg -rtsp_transport tcp -i " + rtspPath + " -vcodec libx264 -preset:v ultrafast -r 25 -threads 4  -b:v 2048k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+        //GPU纭В鐮佺紪鐮� -hwaccel cuvid -c:v h264_cuvid  浣跨敤cuda瑙g爜   -c:v h264_nvenc 浣跨敤cuda缂栫爜
+        //String cmd = rootPath  + "/lib/mediamtx/" + "ffmpeg -hwaccel cuvid -c:v h264_cuvid  -rtsp_transport udp  -i " + rtspPath + " -c:v h264_nvenc  -r 25 -threads 4  -b:v 2048k -bf 0 -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+        if (isCode.equals("1")) {
+            mediaInfo.setSource("publisher");
+            String cmd =  "ffmpeg -rtsp_transport tcp -i " + sourceUrl + " -vcodec libx264 -preset:v ultrafast -r 25 -keyint_min 25 -g 25 -sc_threshold 0 -threads 6  -b:v 2048k -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+            if (!softwareDecoding) {
+                cmd =  "ffmpeg -hwaccel cuvid -c:v h264_cuvid  -rtsp_transport tcp  -i " + sourceUrl + " -c:v h264_nvenc  -r 25 -g 60 -threads 6  -b:v 2048k -bf 0 -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH";
+            }
+            if (mode.equals("0")) {
+                mediaInfo.setRunondemand(cmd);
+                mediaInfo.setRunondemandcloseafter("5s");
+                mediaInfo.setRunondemandrestart(true);
+                mediaInfo.setRunoninit("");
+                mediaInfo.setRunoninitrestart(false);
+            } else {
+                mediaInfo.setRunoninit(cmd);
+                mediaInfo.setRunoninitrestart(true);
+                mediaInfo.setRunondemand("");
+                mediaInfo.setRunondemandrestart(false);
+            }
+        } else {
+            mediaInfo.setSource(sourceUrl);
+            mediaInfo.setSourceondemand(true);
+            mediaInfo.setRunondemand("");
+            mediaInfo.setRunondemandrestart(false);
+            mediaInfo.setRunoninit("");
+            mediaInfo.setRunoninitrestart(false);
+        }
+        mediaInfo.setMaxReaders(100);
+        mediaInfo.setSourceprotocol("tcp");
+        mediaClient.editPath(name, mediaInfo);
+        Map<String,String> map=new HashMap<>();
+        map.put("rtspUrl",rtspUrl);
+        map.put("rtmpUrl",rtmpUrl);
+        map.put("webrtcUrl",webrtcUrl);
+        return map;
+    }
+
+    @Override
     public StreamInfo getPathInfo(String name) {
         Items item = mediaClient.getPathInfo(name);
         StreamInfo info = new StreamInfo();

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