修复获取推流所有权导致引用计数紊乱的bug: #1397

src/Common/MediaSource.cpp

@@ -91,7 +91,8 @@ std::shared_ptr<void> MediaSource::getOwnership() {
         return nullptr;
     }
     weak_ptr<MediaSource> weak_self = shared_from_this();
-    return std::shared_ptr<void>(this, [weak_self](void *ptr) {
+    //确保返回的Ownership智能指针不为空，0x01无实际意义
+    return std::shared_ptr<void>((void *) 0x01, [weak_self](void *ptr) {
         auto strong_self = weak_self.lock();
         if (strong_self) {
             strong_self->_owned.clear();