修复无人播放事件触发延时不准确的bug

src/Rtmp/RtmpMediaSource.h

@@ -161,7 +161,6 @@ public:
         _track_stamps_map[pkt->typeId] = pkt->timeStamp;
         //不存在视频，为了减少缓存延时，那么关闭GOP缓存
         _ring->write(pkt, _have_video ? pkt->isVideoKeyFrame() : true);
-        checkNoneReader();
     }
 
     /**
@@ -184,33 +183,15 @@ private:
      * 每次增减消费者都会触发该函数
      */
     void onReaderChanged(int size) {
-        //我们记录最后一次活动时间
-        _reader_changed_ticker.resetTime();
-        if (size != 0 || totalReaderCount() != 0) {
-            //还有消费者正在观看该流
-            _async_emit_none_reader = false;
-            return;
-        }
-        _async_emit_none_reader = true;
-    }
-
-    /**
-     * 检查是否无人消费该流，
-     * 如果无人消费且超过一定时间会触发onNoneReader事件
-     */
-    void checkNoneReader() {
-        GET_CONFIG(int, stream_none_reader_delay, General::kStreamNoneReaderDelayMS);
-        if (_async_emit_none_reader && _reader_changed_ticker.elapsedTime() > stream_none_reader_delay) {
-            _async_emit_none_reader = false;
+        if (size == 0) {
             onNoneReader();
         }
     }
-protected:
+
+private:
     int _ring_size;
-    bool _async_emit_none_reader = false;
     bool _have_video = false;
     mutable recursive_mutex _mtx;
-    Ticker _reader_changed_ticker;
     AMFValue _metadata;
     RingBuffer<RtmpPacket::Ptr>::Ptr _ring;
     unordered_map<int, uint32_t> _track_stamps_map;

src/Rtmp/RtmpSession.cpp

@@ -544,14 +544,6 @@ bool RtmpSession::close(MediaSource &sender,bool force)  {
     return true;
 }
 
-void RtmpSession::onNoneReader(MediaSource &sender) {
-    //此回调在其他线程触发
-    if(!_pPublisherSrc || _pPublisherSrc->totalReaderCount()){
-        return;
-    }
-    MediaSourceEvent::onNoneReader(sender);
-}
-
 int RtmpSession::totalReaderCount(MediaSource &sender) {
     return _pPublisherSrc ? _pPublisherSrc->totalReaderCount() : sender.readerCount();
 }

src/Rtmp/RtmpSession.h

@@ -85,7 +85,6 @@ private:
 
     //MediaSourceEvent override
     bool close(MediaSource &sender,bool force) override ;
-    void onNoneReader(MediaSource &sender) override;
     int totalReaderCount(MediaSource &sender) override;
 
     void setSocketFlags();