diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32d42bc1..1d28dd91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,6 +151,8 @@ set(SOURCES
 "imgui/imgui_draw.cpp"
 "imgui/imgui_widgets.cpp"
 "imgui/imgui_impl_glfw.cpp"
+
+"extras/VS_Dev.cpp"
 )
 
 option(USE_IMGUI_GL3 "Use OpenGL3+ imgui implementation" ON)
diff --git a/extras/DevConstants.h b/extras/DevConstants.h
new file mode 100644
index 00000000..6f70f09b
--- /dev/null
+++ b/extras/DevConstants.h
@@ -0,0 +1 @@
+#pragma once
diff --git a/extras/VS_Dev.cpp b/extras/VS_Dev.cpp
new file mode 100644
index 00000000..d594fa35
--- /dev/null
+++ b/extras/VS_Dev.cpp
@@ -0,0 +1,41 @@
+#include "VS_Dev.h"
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+VSDev::VSDev()
+{
+	ifstream DevFile;
+	DevFile.open("test01.bin");
+	DevFile.read(this->Frame1TestBuf, sizeof(this->Frame1TestBuf));
+	DevFile.close();
+	DevFile.open("test02.bin");
+	DevFile.read(this->Frame2TestBuf, sizeof(this->Frame2TestBuf));
+	DevFile.close();
+}
+
+int VSDev::GetFrameFromStream(char ** Buffer)
+{
+	if ((this->GetFrameCallNum % 2) == 0)
+	{
+		*Buffer = this->Frame1TestBuf;
+		this->GetFrameCallNum++;
+		return sizeof(this->Frame1TestBuf);
+	}
+	else if ((this->GetFrameCallNum % 3) == 0)
+	{
+		*Buffer = this->Frame2TestBuf;
+		this->GetFrameCallNum++;
+		return sizeof(this->Frame2TestBuf);
+	}
+	else
+	{
+		this->GetFrameCallNum++;
+		return 0;
+	}
+}
+
+void VSDev::FreeFrameBuffer(char * Buffer) {
+	//For dev do nothing...
+}
\ No newline at end of file
diff --git a/extras/VS_Dev.h b/extras/VS_Dev.h
new file mode 100644
index 00000000..2e0fea49
--- /dev/null
+++ b/extras/VS_Dev.h
@@ -0,0 +1,15 @@
+#pragma once
+#include "VideoStream.h"
+
+class VSDev : public VideoStream
+{
+  public:
+	VSDev();
+	int GetFrameFromStream(char **Buffer);
+	void FreeFrameBuffer(char *Buffer);
+
+  private:
+	int GetFrameCallNum = 0;
+	char Frame1TestBuf[102737];
+	char Frame2TestBuf[104143];
+};
\ No newline at end of file
diff --git a/extras/VideoStream.h b/extras/VideoStream.h
new file mode 100644
index 00000000..72335621
--- /dev/null
+++ b/extras/VideoStream.h
@@ -0,0 +1,23 @@
+#pragma once
+
+class VideoStream
+{
+  public:
+	/**
+	  \brief Get Frame data
+
+	  \param Buffer - Pointer to char pointer 
+
+	  \warning This function alocate some memory after use bufer data you must call FreeFrameBuffer
+
+	  \return If Frame ready and complete return num of bytes in frame buffer else return 0
+
+	  **/
+	virtual int GetFrameFromStream(char **Buffer) = 0;
+	/**
+		\brief Free alocated memory
+
+		\param Buffer - Pointer to buffer
+	 **/
+	virtual void FreeFrameBuffer(char *Buffer) = 0; 
+};
\ No newline at end of file