动态代理拉流等待拉流结果

src/Player/PlayerProxy.cpp

@@ -75,6 +75,10 @@ PlayerProxy::PlayerProxy(const string &strVhost,
     _bEnableMp4 = bEnableMp4;
     _iRetryCount = iRetryCount;
 }
+
+void PlayerProxy::setPlayCallbackOnce(const function<void(const SockException &ex)> &cb){
+    _playCB = cb;
+}
 void PlayerProxy::play(const string &strUrlTmp) {
 	weak_ptr<PlayerProxy> weakSelf = shared_from_this();
 	std::shared_ptr<int> piFailedCnt(new int(0)); //连续播放失败次数
@@ -83,6 +87,12 @@ void PlayerProxy::play(const string &strUrlTmp) {
 		if(!strongSelf) {
 			return;
 		}
+
+		if(strongSelf->_playCB) {
+            strongSelf->_playCB(err);
+            strongSelf->_playCB = nullptr;
+        }
+
 		if(!err) {
 			// 播放成功
 			*piFailedCnt = 0;//连续播放失败次数清0

src/Player/PlayerProxy.h

@@ -56,7 +56,14 @@ public:
 
 	virtual ~PlayerProxy();
 
+    /**
+     * 设置play结果回调，只触发一次；在play执行之前有效
+     * @param cb
+     */
+    void setPlayCallbackOnce(const function<void(const SockException &ex)> &cb);
+
 	void play(const string &strUrl) override;
+
     bool close() override;
 private:
 	void rePlay(const string &strUrl,int iFailedCnt);
@@ -70,6 +77,7 @@ private:
     string _strApp;
     string _strSrc;
     Timer::Ptr _timer;
+    function<void(const SockException &ex)> _playCB;
 };
 
 } /* namespace mediakit */