添加媒体注册回调事件:#373

src/Common/MediaSource.cpp

@@ -295,7 +295,7 @@ void MediaSource::regist() {
     //注册该源，注册后服务器才能找到该源
     {
         lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
-        g_mapMediaSrc[_strSchema][_strVhost][_strApp][_strId] =  shared_from_this();
+        g_mapMediaSrc[_strSchema][_strVhost][_strApp][_strId] = shared_from_this();
     }
     _StrPrinter codec_info;
     auto tracks = getTracks(true);
@@ -326,6 +326,11 @@ void MediaSource::regist() {
 
     InfoL << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId << " " << codec_info;
     NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, true, *this);
+
+    auto listener = _listener.lock();
+    if (listener) {
+        listener->onRegist(*this, true);
+    }
 }
 
 //反注册该源
@@ -352,6 +357,11 @@ bool MediaSource::unregist() {
     if(ret){
         InfoL <<  _strSchema << " " << _strVhost << " " << _strApp << " " << _strId;
         NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, false, *this);
+
+        auto listener = _listener.lock();
+        if (listener) {
+            listener->onRegist(*this, false);
+        }
     }
     return ret;
 }

src/Common/MediaSource.h

@@ -55,6 +55,8 @@ public:
     virtual bool isRecording(MediaSource &sender, Recorder::type type) { return false; };
     // 通知无人观看
     virtual void onNoneReader(MediaSource &sender);
+    //流注册或注销事件
+    virtual void onRegist(MediaSource &sender, bool regist) {};
 
 private:
     Timer::Ptr _async_close_timer;

src/Common/MultiMediaSourceMuxer.cpp

@@ -287,6 +287,13 @@ void MultiMediaSourceMuxer::onNoneReader(MediaSource &sender){
     listener->onNoneReader(sender);
 }
 
+void MultiMediaSourceMuxer::onRegist(MediaSource &sender, bool regist){
+    auto listener = _listener.lock();
+    if (listener) {
+        listener->onRegist(sender, regist);
+    }
+}
+
 bool MultiMediaSourceMuxer::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) {
     return _muxer->setupRecord(sender,type,start,custom_path);
 }

src/Common/MultiMediaSourceMuxer.h

@@ -137,6 +137,13 @@ public:
      */
     void onNoneReader(MediaSource &sender) override;
 
+    /**
+     * 媒体注册注销事件
+     * @param sender 触发者
+     * @param regist 是否为注册事件
+     */
+    void onRegist(MediaSource &sender, bool regist) override;
+
     /**
      * 设置录制状态
      * @param type 录制类型