feat: 增加webrtc代理拉流 (#4389)

- 增加客户端模式，支持主动拉流、推流：
   - addStreamProxy接口新增支持whep主动拉流，拉流地址目前只兼容zlm的whep url。
   - addStreamPusherProxy接口新增支持whip主动推流，推流地址目前只兼容zlm的whip url。
   - 以上推流url格式为webrtc[s]://server_host:server_port/app/stream_id?key=value, 内部会自动转换为http[s]://server_host:server_port/index/api/[whip/whep]?app=app&stream=stream_id&key=value。

- 增加WebRtc p2p 模式：
  - 增加 ICE FULL模式。
  - 增加STUN/TURN 服务器。
  - 增加websocket 信令。
  - 增加P2P代理拉流。

---------

Co-authored-by: xia-chu <771730766@qq.com>
Co-authored-by: mtdxc <mtdxc@126.com>
Co-authored-by: cqm <cqm@97kid.com>

src/Player/MediaPlayer.h

@@ -26,6 +26,7 @@ public:
     void play(const std::string &url) override;
     toolkit::EventPoller::Ptr getPoller();
     void setOnCreateSocket(toolkit::Socket::onCreateSocket cb);
+    const PlayerBase::Ptr& getDelegate() const { return _delegate; }
 
 private:
     toolkit::EventPoller::Ptr _poller;

src/Player/PlayerBase.cpp

@@ -18,7 +18,9 @@
 #ifdef ENABLE_SRT
 #include "Srt/SrtPlayerImp.h"
 #endif // ENABLE_SRT
-
+#ifdef ENABLE_WEBRTC
+#include "../webrtc/WebRtcProxyPlayerImp.h"
+#endif // ENABLE_WEBRTC
 using namespace std;
 using namespace toolkit;
 
@@ -84,6 +86,11 @@ PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &in_poller, cons
         return PlayerBase::Ptr(new SrtPlayerImp(poller), release_func);
     }
 #endif//ENABLE_SRT
+#ifdef ENABLE_WEBRTC
+    if ((strcasecmp("webrtc", prefix.data()) == 0 || strcasecmp("webrtcs", prefix.data()) == 0)) {
+        return PlayerBase::Ptr(new WebRtcProxyPlayerImp(poller), release_func);
+    }
+#endif//ENABLE_WEBRTC
 
     throw std::invalid_argument("not supported play schema:" + url_in);
 }

src/Player/PlayerProxy.cpp

@@ -286,6 +286,10 @@ float PlayerProxy::getLossRate(MediaSource &sender, TrackType type) {
     return getPacketLossRate(type);
 }
 
+toolkit::EventPoller::Ptr PlayerProxy::getOwnerPoller(MediaSource &sender) { 
+    return getPoller();
+}
+
 TranslationInfo PlayerProxy::getTranslationInfo() {
     return _transtalion_info;
 }

src/Player/PlayerProxy.h

@@ -151,6 +151,7 @@ private:
     std::string getOriginUrl(MediaSource &sender) const override;
     std::shared_ptr<toolkit::SockInfo> getOriginSock(MediaSource &sender) const override;
     float getLossRate(MediaSource &sender, TrackType type) override;
+    toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
 
     void rePlay(const std::string &strUrl, int iFailedCnt);
     void onPlaySuccess();