新增获取推流推流代理列表和ffmpeg源列表接口 (#3992)

src/Pusher/MediaPusher.cpp

@@ -46,6 +46,7 @@ void MediaPusher::publish(const string &url) {
     _delegate->setOnPublished(_on_publish);
     _delegate->mINI::operator=(*this);
     _delegate->publish(url);
+    _url = url;
 }
 
 EventPoller::Ptr MediaPusher::getPoller(){

src/Pusher/MediaPusher.h

@@ -33,11 +33,13 @@ public:
     void publish(const std::string &url) override;
     toolkit::EventPoller::Ptr getPoller();
     void setOnCreateSocket(toolkit::Socket::onCreateSocket cb);
-
+    std::shared_ptr<MediaSource> getSrc() { return _src.lock(); }
+    const std::string& getUrl() const { return _url; }
 private:
     std::weak_ptr<MediaSource> _src;
     toolkit::EventPoller::Ptr _poller;
     toolkit::Socket::onCreateSocket _on_create_socket;
+    std::string _url;
 };
 
 } /* namespace mediakit */

src/Pusher/PusherProxy.cpp

@@ -19,7 +19,6 @@ PusherProxy::PusherProxy(const MediaSource::Ptr &src, int retry_count, const Eve
     : MediaPusher(src, poller) {
     _retry_count = retry_count;
     _on_close = [](const SockException &) {};
-    _weak_src = src;
     _live_secs = 0;
     _live_status = 1;
     _republish_count = 0;
@@ -52,7 +51,7 @@ void PusherProxy::publish(const string &dst_url) {
             strong_self->_on_publish = nullptr;
         }
 
-        auto src = strong_self->_weak_src.lock();
+        auto src = strong_self->getSrc();
         if (!err) {
             // 推流成功  [AUTO-TRANSLATED:28ce6e56]
             // Stream successfully pushed
@@ -87,7 +86,7 @@ void PusherProxy::publish(const string &dst_url) {
             TraceL << " live secs " << strong_self->_live_secs;
         }
 
-        auto src = strong_self->_weak_src.lock();
+        auto src = strong_self->getSrc();
         // 推流异常中断，延时重试播放  [AUTO-TRANSLATED:e69e5a05]
         // Stream abnormally interrupted, retry playing with delay
         if (src && (*failed_cnt < strong_self->_retry_count || strong_self->_retry_count < 0)) {

src/Pusher/PusherProxy.h

@@ -77,7 +77,6 @@ private:
     std::atomic<int> _live_status;
     std::atomic<uint64_t> _live_secs;
     std::atomic<uint64_t> _republish_count;
-    std::weak_ptr<MediaSource> _weak_src;
     std::function<void(const toolkit::SockException &ex)> _on_close;
     std::function<void(const toolkit::SockException &ex)> _on_publish;
 };