优化FFmpeg拉流失败重试机制

server/FFmpegSource.cpp

@@ -192,7 +192,11 @@ void FFmpegSource::startTimer(int timeout_ms) {
                 //同步查找流
                 if (!src) {
                     //流不在线，重新拉流
-                    strongSelf->play(strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [](const SockException &) {});
+                    if(strongSelf->_replay_ticker.elapsedTime() > 10 * 1000){
+                        //上次重试时间超过10秒，那么再重试FFmpeg拉流
+                        strongSelf->_replay_ticker.resetTime();
+                        strongSelf->play(strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [](const SockException &) {});
+                    }
                 }
             });
         } else {

server/FFmpegSource.h

@@ -70,6 +70,7 @@ private:
     string _dst_url;
     function<void()> _onClose;
     std::weak_ptr<MediaSourceEvent> _listener;
+    Ticker _replay_ticker;
 };