Performance: 使用循环池优化webrtc分发性能

webrtc/WebRtcTransport.cpp

@@ -313,6 +313,7 @@ void WebRtcTransportImp::onCreate(){
 
 WebRtcTransportImp::WebRtcTransportImp(const EventPoller::Ptr &poller) : WebRtcTransport(poller) {
     InfoL << getIdentifier();
+    _packet_pool.setSize(64);
 }
 
 WebRtcTransportImp::~WebRtcTransportImp() {
@@ -329,7 +330,7 @@ void WebRtcTransportImp::onSendSockData(const char *buf, size_t len, struct sock
         WarnL << "send data failed:" << len;
         return;
     }
-    auto ptr = BufferRaw::create();
+    auto ptr = _packet_pool.obtain();
     ptr->assign(buf, len);
     //一次性发送一帧的rtp数据，提高网络io性能
     _session->setSendFlushFlag(flush);

webrtc/WebRtcTransport.h

@@ -214,8 +214,6 @@ struct WrappedRtpTrack : public WrappedMediaTrack {
     void inputRtp(const char *buf, size_t len, uint64_t stamp_ms, RtpHeader *rtp) override;
 };
 
-
-
 class WebRtcTransportImp : public WebRtcTransport {
 public:
     using Ptr = std::shared_ptr<WebRtcTransportImp>;
@@ -281,6 +279,8 @@ private:
     unordered_map<uint32_t/*ssrc*/, MediaTrack::Ptr> _ssrc_to_track;
     //根据接收rtp的pt获取相关信息
     unordered_map<uint8_t/*pt*/, std::unique_ptr<WrappedMediaTrack>> _pt_to_track;
+    //循环池
+    ResourcePool<BufferRaw> _packet_pool;
 };
 
 class WebRtcTransportManager {