added class for thread-safe queue

include/ffcpp/TSQueue.h

@@ -0,0 +1,35 @@
+#ifndef PROJECT_TSQUEUE_H
+#define PROJECT_TSQUEUE_H
+
+#include <mutex>
+#include <condition_variable>
+#include <queue>
+
+namespace ffcpp {
+
+    template<typename T> class TSQueue {
+    private:
+        using LockType = std::lock_guard<std::mutex>;
+
+    private:
+        mutable std::mutex _mutex;
+        std::condition_variable _cond;
+        std::queue<std::shared_ptr<T>> _queue;
+
+    public:
+        bool empty() const {
+            LockType lock(_mutex);
+            return _queue.empty();
+        }
+
+        void push(T value) {
+            auto data = std::make_shared<T>(std::move(value));
+            LockType lock(_mutex);
+            _queue.push(data);
+            _cond.notify_one();
+        }
+    };
+
+}
+
+#endif //PROJECT_TSQUEUE_H

src/CMakeLists.txt

@@ -27,7 +27,8 @@ set(SOURCE_FILES    MediaFile.cpp
                     Resampler.cpp 
                     ../include/ffcpp/Resampler.h
                     Player.cpp
-                    ../include/ffcpp/Player.h )
+                    ../include/ffcpp/Player.h
+                    ../include/ffcpp/TSQueue.h)
                     
 add_library(ffcpp ${SOURCE_FILES})
 target_link_libraries(ffcpp ${FFMPEG_LIBRARIES})