removed very situational video_man from raii namespace

include/libav/frame.hpp

@@ -0,0 +1,81 @@
+#ifndef LIBAV_FRAME_HPP
+#define LIBAV_FRAME_HPP
+
+extern "C"{
+#  include <libavcodec/avcodec.h>
+}
+
+#include <utility> //exchange
+
+namespace libav{
+
+	class frame
+	{
+	private:
+		AVFrame* m_frame;
+		bool m_freep = false;
+	public:
+		frame(void){
+			m_frame = av_frame_alloc();
+			m_frame->data[0] = nullptr;
+		}
+		frame(int width, int height, int format):
+			frame()
+		{
+			m_frame->width = width;
+			m_frame->height = height;
+			m_frame->format = format;
+		}
+		frame(const frame&) = delete;
+		frame(frame&& f)noexcept:
+			m_frame(std::exchange(f.m_frame, nullptr)),
+			m_freep(f.m_freep){}
+		~frame(void){
+			reset();
+		}
+		frame& operator=(const frame&) = delete;
+		frame& operator=(frame&& f)noexcept{
+			std::swap(m_frame, f.m_frame);
+			std::swap(m_freep, f.m_freep);
+			return *this;
+		}
+		void reset(AVFrame* frame = nullptr){
+			if(m_frame){
+				if(m_freep){
+					av_freep(&m_frame->data[0]);
+				}
+				av_frame_unref(m_frame);
+				av_frame_free(&m_frame);
+			}
+			m_frame = frame;
+		}
+		void set_freep(bool b = true){
+			m_freep = b;
+		}
+		AVFrame* release(void){
+			return std::exchange(m_frame, nullptr);
+		}
+
+		AVFrame* operator->(void){
+			return m_frame;
+		}
+		const AVFrame* operator->(void)const{
+			return m_frame;
+		}
+		AVFrame* get(void){
+			return m_frame;
+		}
+		const AVFrame* get(void)const{
+			return m_frame;
+		}
+		operator AVFrame*(void){
+			return m_frame;
+		}
+		operator const AVFrame*(void)const{
+			return m_frame;
+		}
+	};
+
+}
+
+#endif