优化rtp性能

src/Rtsp/Rtsp.cpp

@@ -531,4 +531,18 @@ size_t RtpPacket::getPayloadSize(){
     return getHeader()->getPayloadSize(size() - kRtpTcpHeaderSize);
 }
 
+RtpPacket::Ptr RtpPacket::create(){
+#if 0
+    static ResourcePool<RtpPacket> packet_pool;
+    static onceToken token([]() {
+        packet_pool.setSize(1024);
+    });
+    auto ret = packet_pool.obtain();
+    ret->setSize(0);
+    return ret;
+#else
+    return Ptr(new RtpPacket);
+#endif
+}
+
 }//namespace mediakit