增加获取媒体流播放器列表功能

src/Rtsp/RtspMediaSource.h

@@ -65,6 +65,11 @@ public:
         return _ring;
     }
 
+    void getPlayerList(const std::function<void(const std::list<std::shared_ptr<void>> &info_list)> &cb,
+                       const std::function<std::shared_ptr<void>(std::shared_ptr<void> &&info)> &on_change) override {
+        _ring->getInfoList(cb, on_change);
+    }
+
     /**
      * 获取播放器个数
      */

src/Rtsp/RtspSession.cpp

@@ -836,6 +836,9 @@ void RtspSession::handleReq_Play(const Parser &parser) {
     if (!_play_reader && _rtp_type != Rtsp::RTP_MULTICAST) {
         weak_ptr<RtspSession> weakSelf = dynamic_pointer_cast<RtspSession>(shared_from_this());
         _play_reader = play_src->getRing()->attach(getPoller(), useGOP);
+
+        _play_reader->setGetInfoCB([weakSelf]() { return weakSelf.lock(); });
+
         _play_reader->setDetachCB([weakSelf]() {
             auto strongSelf = weakSelf.lock();
             if (!strongSelf) {