修复rtsp播放器在处理rtp包时，清空状态导致的bug

src/Rtsp/RtpReceiver.h

@@ -116,9 +116,11 @@ private:
     }
 
     void popIterator(typename map<SEQ, T>::iterator it) {
-        _cb(it->first, it->second);
-        _next_seq_out = it->first + 1;
+        auto seq = it->first;
+        auto data = std::move(it->second);
         _rtp_sort_cache_map.erase(it);
+        _next_seq_out = seq + 1;
+        _cb(seq, data);
     }
 
     void tryPopPacket() {

src/Rtsp/RtspPlayer.cpp

@@ -30,19 +30,23 @@ enum PlayType {
 };
 
 RtspPlayer::RtspPlayer(const EventPoller::Ptr &poller) : TcpClient(poller){
-    RtpReceiver::setPoolSize(64);
 }
+
 RtspPlayer::~RtspPlayer(void) {
     DebugL << endl;
 }
-void RtspPlayer::teardown(){
+
+void RtspPlayer::sendTeardown(){
     if (alive()) {
         if (!_content_base.empty()) {
             sendRtspRequest("TEARDOWN", _content_base);
         }
         shutdown(SockException(Err_shutdown, "teardown"));
     }
+}
 
+void RtspPlayer::teardown(){
+    sendTeardown();
     _md5_nonce.clear();
     _realm.clear();
     _sdp_track.clear();
@@ -792,7 +796,7 @@ void RtspPlayer::onPlayResult_l(const SockException &ex , bool handshake_done) {
         //创建rtp数据接收超时检测定时器
         _rtp_check_timer = std::make_shared<Timer>(timeoutMS / 2000.0, lam, getPoller());
     } else {
-        teardown();
+        sendTeardown();
     }
 }
 

src/Rtsp/RtspPlayer.h

@@ -102,6 +102,7 @@ private:
     void sendSetup(unsigned int track_idx);
     void sendPause(int type , uint32_t ms);
     void sendDescribe();
+    void sendTeardown();
     void sendKeepAlive();
     void sendRtspRequest(const string &cmd, const string &url ,const StrCaseMap &header = StrCaseMap());
     void sendRtspRequest(const string &cmd, const string &url ,const std::initializer_list<string> &header);