完善接口

src/RtmpMuxer/RtmpMuxer.cpp

@@ -101,6 +101,11 @@ void RtmpMuxer::inputFrame(const Frame::Ptr &frame) {
             _trackReadyCallback.erase(it_callback);
         }
     }
+
+    if(!_inited && _trackReadyCallback.empty()){
+        _inited = true;
+        onInited();
+    }
 }
 
 bool RtmpMuxer::inputRtmp(const RtmpPacket::Ptr &rtmp , bool key_pos) {

src/RtmpMuxer/RtmpMuxer.h

@@ -72,11 +72,15 @@ public:
      * @return
      */
     RtmpRingInterface::RingType::Ptr getRtmpRing() const;
+
+protected:
+    virtual void onInited(){};
 private:
     map<int,Track::Ptr> _track_map;
     map<int,function<void()> > _trackReadyCallback;
     RtmpRingInterface::RingType::Ptr _rtmpRing;
     AMFValue _metedata;
+    bool  _inited = false;
 };