diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..c0fcd15
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,111 @@
+# Copyright 2023 vrunk-toolkit Project
+#
+# This file is part of vrunk-toolkit
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+########################################################################
+# Project setup
+########################################################################
+cmake_minimum_required(VERSION 2.6)
+project(vrunk11-toolkit C)
+
+include(GNUInstallDirs)
+
+# CMP0075 Include file check macros honor CMAKE_REQUIRED_LIBRARIES
+if(POLICY CMP0075)
+    cmake_policy(SET CMP0075 NEW)
+endif()
+
+#select the release build type by default to get optimization flags
+if(NOT CMAKE_BUILD_TYPE)
+   set(CMAKE_BUILD_TYPE "Release")
+   message(STATUS "Build type not specified: defaulting to Release.")
+endif(NOT CMAKE_BUILD_TYPE)
+set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")
+
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
+
+if(NOT LIB_INSTALL_DIR)
+   set(LIB_INSTALL_DIR lib)
+endif()
+
+# Set the version information here
+set(VERSION_INFO_MAJOR_VERSION 0) # increment major on api compatibility changes
+set(VERSION_INFO_MINOR_VERSION 1) # increment minor on feature-level changes
+set(VERSION_INFO_PATCH_VERSION git) # increment patch for bug fixes and docs
+include(Version) # setup version info
+
+########################################################################
+# Compiler specific setup
+########################################################################
+if(CMAKE_COMPILER_IS_GNUCC AND NOT WIN32)
+    ADD_DEFINITIONS(-Wall)
+    ADD_DEFINITIONS(-Wextra)
+    ADD_DEFINITIONS(-Wno-unused-parameter)
+    ADD_DEFINITIONS(-Wno-unused)
+    ADD_DEFINITIONS(-Wsign-compare)
+    ADD_DEFINITIONS(-Wdeclaration-after-statement)
+    #http://gcc.gnu.org/wiki/Visibility
+    add_definitions(-fvisibility=hidden)
+endif()
+
+########################################################################
+# Find build dependencies
+########################################################################
+find_package(PkgConfig)
+if(WIN32 AND NOT MINGW)
+    set(THREADS_USE_PTHREADS_WIN32 true)
+endif()
+
+find_package(Threads)
+if(NOT THREADS_FOUND)
+    message(FATAL_ERROR "pthreads(-win32) required to compile libosmo-fl2k")
+endif()
+########################################################################
+# Setup the include and linker paths
+########################################################################
+include_directories(
+    ${CMAKE_SOURCE_DIR}/include
+    ${THREADS_PTHREADS_INCLUDE_DIR}
+)
+
+#link_directories(
+#    ...
+#)
+
+# Set component parameters
+#set(INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE INTERNAL "" FORCE)
+
+########################################################################
+# Add subdirectories
+########################################################################
+add_subdirectory(include)
+add_subdirectory(src)
+
+########################################################################
+# Create Pkg Config File
+########################################################################
+
+set(prefix ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix \${prefix})
+set(libdir \${exec_prefix}/${LIB_INSTALL_DIR})
+set(includedir \${prefix}/include)
+
+########################################################################
+# Print Summary
+########################################################################
+MESSAGE(STATUS "Building for version: ${VERSION} / ${LIBVER}")
+MESSAGE(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")
diff --git a/cmake/Modules/FindLibUSB.cmake b/cmake/Modules/FindLibUSB.cmake
new file mode 100644
index 0000000..c2c3f63
--- /dev/null
+++ b/cmake/Modules/FindLibUSB.cmake
@@ -0,0 +1,55 @@
+if(NOT LIBUSB_FOUND)
+  pkg_check_modules (LIBUSB_PKG libusb-1.0)
+  find_path(LIBUSB_INCLUDE_DIR NAMES libusb.h
+    PATHS
+    ${LIBUSB_PKG_INCLUDE_DIRS}
+    /usr/include/libusb-1.0
+    /usr/include
+    /usr/local/include
+  )
+
+#standard library name for libusb-1.0
+set(libusb1_library_names usb-1.0)
+
+#libusb-1.0 compatible library on freebsd
+if((CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") OR (CMAKE_SYSTEM_NAME STREQUAL "kFreeBSD"))
+    list(APPEND libusb1_library_names usb)
+endif()
+
+  find_library(LIBUSB_LIBRARIES
+    NAMES ${libusb1_library_names}
+    PATHS
+    ${LIBUSB_PKG_LIBRARY_DIRS}
+    /usr/lib
+    /usr/local/lib
+  )
+
+include(CheckFunctionExists)
+if(LIBUSB_INCLUDE_DIRS)
+    set(CMAKE_REQUIRED_INCLUDES ${LIBUSB_INCLUDE_DIRS})
+endif()
+if(LIBUSB_LIBRARIES)
+    set(CMAKE_REQUIRED_LIBRARIES ${LIBUSB_LIBRARIES})
+endif()
+
+CHECK_FUNCTION_EXISTS("libusb_handle_events_timeout_completed" HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
+if(HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
+    add_definitions(-DHAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED=1)
+endif(HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
+
+CHECK_FUNCTION_EXISTS("libusb_error_name" HAVE_LIBUSB_ERROR_NAME)
+if(HAVE_LIBUSB_ERROR_NAME)
+    add_definitions(-DHAVE_LIBUSB_ERROR_NAME=1)
+endif(HAVE_LIBUSB_ERROR_NAME)
+
+if(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+  set(LIBUSB_FOUND TRUE CACHE INTERNAL "libusb-1.0 found")
+  message(STATUS "Found libusb-1.0: ${LIBUSB_INCLUDE_DIR}, ${LIBUSB_LIBRARIES}")
+else(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+  set(LIBUSB_FOUND FALSE CACHE INTERNAL "libusb-1.0 found")
+  message(STATUS "libusb-1.0 not found.")
+endif(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+
+mark_as_advanced(LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES)
+
+endif(NOT LIBUSB_FOUND)
diff --git a/cmake/Modules/FindThreads.cmake b/cmake/Modules/FindThreads.cmake
new file mode 100644
index 0000000..8028b15
--- /dev/null
+++ b/cmake/Modules/FindThreads.cmake
@@ -0,0 +1,246 @@
+# Updated FindThreads.cmake that supports pthread-win32
+# Downloaded from http://www.vtk.org/Bug/bug_view_advanced_page.php?bug_id=6399
+
+# - This module determines the thread library of the system.
+#
+# The following variables are set
+#  CMAKE_THREAD_LIBS_INIT     - the thread library
+#  CMAKE_USE_SPROC_INIT       - are we using sproc?
+#  CMAKE_USE_WIN32_THREADS_INIT - using WIN32 threads?
+#  CMAKE_USE_PTHREADS_INIT    - are we using pthreads
+#  CMAKE_HP_PTHREADS_INIT     - are we using hp pthreads
+#
+# If use of pthreads-win32 is desired, the following variables
+# can be set.
+#
+#  THREADS_USE_PTHREADS_WIN32 -
+#    Setting this to true searches for the pthreads-win32
+#    port (since CMake 2.8.0)
+#
+#  THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME
+#      C  = no exceptions (default)
+#         (NOTE: This is the default scheme on most POSIX thread
+#          implementations and what you should probably be using)
+#      CE = C++ Exception Handling
+#      SE = Structure Exception Handling (MSVC only)
+#      (NOTE: Changing this option from the default may affect
+#       the portability of your application.  See pthreads-win32
+#       documentation for more details.)
+#
+#======================================================
+# Example usage where threading library
+# is provided by the system:
+#
+#   find_package(Threads REQUIRED)
+#   add_executable(foo foo.cc)
+#   target_link_libraries(foo ${CMAKE_THREAD_LIBS_INIT})
+#
+# Example usage if pthreads-win32 is desired on Windows
+# or a system provided thread library:
+#
+#   set(THREADS_USE_PTHREADS_WIN32 true)
+#   find_package(Threads REQUIRED)
+#   include_directories(${THREADS_PTHREADS_INCLUDE_DIR})
+#
+#   add_executable(foo foo.cc)
+#   target_link_libraries(foo ${CMAKE_THREAD_LIBS_INIT})
+#
+
+INCLUDE (CheckIncludeFiles)
+INCLUDE (CheckLibraryExists)
+SET(Threads_FOUND FALSE)
+
+IF(WIN32 AND NOT CYGWIN AND THREADS_USE_PTHREADS_WIN32)
+  SET(_Threads_ptwin32 true)
+ENDIF()
+
+# Do we have sproc?
+IF(CMAKE_SYSTEM MATCHES IRIX)
+  CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h"  CMAKE_HAVE_SPROC_H)
+ENDIF()
+
+IF(CMAKE_HAVE_SPROC_H)
+  # We have sproc
+  SET(CMAKE_USE_SPROC_INIT 1)
+
+ELSEIF(_Threads_ptwin32)
+
+  IF(NOT DEFINED THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME)
+    # Assign the default scheme
+    SET(THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME "C")
+  ELSE()
+    # Validate the scheme specified by the user
+    IF(NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "C" AND
+       NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "CE" AND
+       NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
+         MESSAGE(FATAL_ERROR "See documentation for FindPthreads.cmake, only C, CE, and SE modes are allowed")
+    ENDIF()
+    IF(NOT MSVC AND THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
+      MESSAGE(FATAL_ERROR "Structured Exception Handling is only allowed for MSVC")
+    ENDIF(NOT MSVC AND THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
+  ENDIF()
+
+  FIND_PATH(THREADS_PTHREADS_INCLUDE_DIR pthread.h)
+
+  # Determine the library filename
+  IF(MSVC)
+    SET(_Threads_pthreads_libname
+        pthreadV${THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME}2)
+  ELSEIF(MINGW)
+    SET(_Threads_pthreads_libname
+        pthreadG${THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME}2)
+  ELSE()
+    MESSAGE(FATAL_ERROR "This should never happen")
+  ENDIF()
+
+  # Use the include path to help find the library if possible
+  SET(_Threads_lib_paths "")
+  IF(THREADS_PTHREADS_INCLUDE_DIR)
+     GET_FILENAME_COMPONENT(_Threads_root_dir
+                            ${THREADS_PTHREADS_INCLUDE_DIR} PATH)
+     SET(_Threads_lib_paths ${_Threads_root_dir}/lib)
+  ENDIF()
+  FIND_LIBRARY(THREADS_PTHREADS_WIN32_LIBRARY
+               NAMES ${_Threads_pthreads_libname}
+               PATHS ${_Threads_lib_paths}
+               DOC "The Portable Threads Library for Win32"
+               NO_SYSTEM_PATH
+               )
+
+  IF(THREADS_PTHREADS_INCLUDE_DIR AND THREADS_PTHREADS_WIN32_LIBRARY)
+    MARK_AS_ADVANCED(THREADS_PTHREADS_INCLUDE_DIR)
+    SET(CMAKE_THREAD_LIBS_INIT ${THREADS_PTHREADS_WIN32_LIBRARY})
+    SET(CMAKE_HAVE_THREADS_LIBRARY 1)
+    SET(Threads_FOUND TRUE)
+  ENDIF()
+
+  MARK_AS_ADVANCED(THREADS_PTHREADS_WIN32_LIBRARY)
+
+ELSE()
+  # Do we have pthreads?
+  CHECK_INCLUDE_FILES("pthread.h" CMAKE_HAVE_PTHREAD_H)
+  IF(CMAKE_HAVE_PTHREAD_H)
+
+    #
+    # We have pthread.h
+    # Let's check for the library now.
+    #
+    SET(CMAKE_HAVE_THREADS_LIBRARY)
+    IF(NOT THREADS_HAVE_PTHREAD_ARG)
+
+      # Do we have -lpthreads
+      CHECK_LIBRARY_EXISTS(pthreads pthread_create "" CMAKE_HAVE_PTHREADS_CREATE)
+      IF(CMAKE_HAVE_PTHREADS_CREATE)
+        SET(CMAKE_THREAD_LIBS_INIT "-lpthreads")
+        SET(CMAKE_HAVE_THREADS_LIBRARY 1)
+        SET(Threads_FOUND TRUE)
+      ENDIF()
+
+      # Ok, how about -lpthread
+      CHECK_LIBRARY_EXISTS(pthread pthread_create "" CMAKE_HAVE_PTHREAD_CREATE)
+      IF(CMAKE_HAVE_PTHREAD_CREATE)
+        SET(CMAKE_THREAD_LIBS_INIT "-lpthread")
+        SET(Threads_FOUND TRUE)
+        SET(CMAKE_HAVE_THREADS_LIBRARY 1)
+      ENDIF()
+
+      IF(CMAKE_SYSTEM MATCHES "SunOS.*")
+        # On sun also check for -lthread
+        CHECK_LIBRARY_EXISTS(thread thr_create "" CMAKE_HAVE_THR_CREATE)
+        IF(CMAKE_HAVE_THR_CREATE)
+          SET(CMAKE_THREAD_LIBS_INIT "-lthread")
+          SET(CMAKE_HAVE_THREADS_LIBRARY 1)
+          SET(Threads_FOUND TRUE)
+        ENDIF()
+      ENDIF(CMAKE_SYSTEM MATCHES "SunOS.*")
+
+    ENDIF(NOT THREADS_HAVE_PTHREAD_ARG)
+
+    IF(NOT CMAKE_HAVE_THREADS_LIBRARY)
+      # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread
+      IF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG")
+        MESSAGE(STATUS "Check if compiler accepts -pthread")
+        TRY_RUN(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG
+          ${CMAKE_BINARY_DIR}
+          ${CMAKE_ROOT}/Modules/CheckForPthreads.c
+          CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread
+          COMPILE_OUTPUT_VARIABLE OUTPUT)
+
+        IF(THREADS_HAVE_PTHREAD_ARG)
+          IF(THREADS_PTHREAD_ARG MATCHES "^2$")
+            SET(Threads_FOUND TRUE)
+            MESSAGE(STATUS "Check if compiler accepts -pthread - yes")
+          ELSE()
+            MESSAGE(STATUS "Check if compiler accepts -pthread - no")
+            FILE(APPEND
+              ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+              "Determining if compiler accepts -pthread returned ${THREADS_PTHREAD_ARG} instead of 2. The compiler had the following output:\n${OUTPUT}\n\n")
+          ENDIF()
+        ELSE()
+          MESSAGE(STATUS "Check if compiler accepts -pthread - no")
+          FILE(APPEND
+            ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+            "Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n")
+        ENDIF()
+
+      ENDIF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG")
+
+      IF(THREADS_HAVE_PTHREAD_ARG)
+        SET(Threads_FOUND TRUE)
+        SET(CMAKE_THREAD_LIBS_INIT "-pthread")
+      ENDIF()
+
+    ENDIF(NOT CMAKE_HAVE_THREADS_LIBRARY)
+  ENDIF(CMAKE_HAVE_PTHREAD_H)
+ENDIF()
+
+IF(CMAKE_THREAD_LIBS_INIT)
+  SET(CMAKE_USE_PTHREADS_INIT 1)
+  SET(Threads_FOUND TRUE)
+ENDIF()
+
+IF(CMAKE_SYSTEM MATCHES "Windows"
+   AND NOT THREADS_USE_PTHREADS_WIN32)
+  SET(CMAKE_USE_WIN32_THREADS_INIT 1)
+  SET(Threads_FOUND TRUE)
+ENDIF()
+
+IF(CMAKE_USE_PTHREADS_INIT)
+  IF(CMAKE_SYSTEM MATCHES "HP-UX-*")
+    # Use libcma if it exists and can be used.  It provides more
+    # symbols than the plain pthread library.  CMA threads
+    # have actually been deprecated:
+    #   http://docs.hp.com/en/B3920-90091/ch12s03.html#d0e11395
+    #   http://docs.hp.com/en/947/d8.html
+    # but we need to maintain compatibility here.
+    # The CMAKE_HP_PTHREADS setting actually indicates whether CMA threads
+    # are available.
+    CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA)
+    IF(CMAKE_HAVE_HP_CMA)
+      SET(CMAKE_THREAD_LIBS_INIT "-lcma")
+      SET(CMAKE_HP_PTHREADS_INIT 1)
+      SET(Threads_FOUND TRUE)
+    ENDIF(CMAKE_HAVE_HP_CMA)
+    SET(CMAKE_USE_PTHREADS_INIT 1)
+  ENDIF()
+
+  IF(CMAKE_SYSTEM MATCHES "OSF1-V*")
+    SET(CMAKE_USE_PTHREADS_INIT 0)
+    SET(CMAKE_THREAD_LIBS_INIT )
+  ENDIF()
+
+  IF(CMAKE_SYSTEM MATCHES "CYGWIN_NT*")
+    SET(CMAKE_USE_PTHREADS_INIT 1)
+    SET(Threads_FOUND TRUE)
+    SET(CMAKE_THREAD_LIBS_INIT )
+    SET(CMAKE_USE_WIN32_THREADS_INIT 0)
+  ENDIF()
+ENDIF(CMAKE_USE_PTHREADS_INIT)
+
+INCLUDE(FindPackageHandleStandardArgs)
+IF(_Threads_ptwin32)
+  FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG
+    THREADS_PTHREADS_WIN32_LIBRARY THREADS_PTHREADS_INCLUDE_DIR)
+ELSE()
+  FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG Threads_FOUND)
+ENDIF()
diff --git a/cmake/Modules/Version.cmake b/cmake/Modules/Version.cmake
new file mode 100644
index 0000000..d9d2258
--- /dev/null
+++ b/cmake/Modules/Version.cmake
@@ -0,0 +1,60 @@
+# Copyright 2013 OSMOCOM Project
+#
+# This file is part of osmo-fl2k
+#
+# rtl-sdr is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# rtl-sdr is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with rtl-sdr; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+if(DEFINED __INCLUDED_VERSION_CMAKE)
+    return()
+endif()
+set(__INCLUDED_VERSION_CMAKE TRUE)
+
+# VERSION_INFO_* variables must be provided by user
+set(MAJOR_VERSION ${VERSION_INFO_MAJOR_VERSION})
+set(MINOR_VERSION ${VERSION_INFO_MINOR_VERSION})
+set(PATCH_VERSION ${VERSION_INFO_PATCH_VERSION})
+
+########################################################################
+# Extract the version string from git describe.
+########################################################################
+find_package(Git QUIET)
+
+if(GIT_FOUND)
+    message(STATUS "Extracting version information from git describe...")
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} describe --always --abbrev=4 --long
+        OUTPUT_VARIABLE GIT_DESCRIBE OUTPUT_STRIP_TRAILING_WHITESPACE
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    )
+else()
+    set(GIT_DESCRIBE "v${MAJOR_VERSION}.${MINOR_VERSION}.x-xxx-xunknown")
+endif()
+
+########################################################################
+# Use the logic below to set the version constants
+########################################################################
+if("${PATCH_VERSION}" STREQUAL "git")
+    # VERSION: 3.6git-xxx-gxxxxxxxx
+    # LIBVER:  3.6git
+    set(VERSION "${GIT_DESCRIBE}")
+    set(LIBVER  "${MAJOR_VERSION}.${MINOR_VERSION}${PATCH_VERSION}")
+else()
+    # This is a numbered release.
+    # VERSION: 3.6.1
+    # LIBVER:  3.6.1
+    set(VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}")
+    set(LIBVER "${VERSION}")
+endif()
diff --git a/cmake/cmake_uninstall.cmake.in b/cmake/cmake_uninstall.cmake.in
new file mode 100644
index 0000000..9ae1ae4
--- /dev/null
+++ b/cmake/cmake_uninstall.cmake.in
@@ -0,0 +1,32 @@
+# http://www.vtk.org/Wiki/CMake_FAQ#Can_I_do_.22make_uninstall.22_with_CMake.3F
+
+IF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  MESSAGE(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
+ENDIF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+FILE(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+STRING(REGEX REPLACE "\n" ";" files "${files}")
+FOREACH(file ${files})
+  MESSAGE(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"")
+  IF(EXISTS "$ENV{DESTDIR}${file}")
+    EXEC_PROGRAM(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    IF(NOT "${rm_retval}" STREQUAL 0)
+      MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+    ENDIF(NOT "${rm_retval}" STREQUAL 0)
+  ELSEIF(IS_SYMLINK "$ENV{DESTDIR}${file}")
+    EXEC_PROGRAM(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    IF(NOT "${rm_retval}" STREQUAL 0)
+      MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+    ENDIF(NOT "${rm_retval}" STREQUAL 0)
+  ELSE(EXISTS "$ENV{DESTDIR}${file}")
+    MESSAGE(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
+  ENDIF(EXISTS "$ENV{DESTDIR}${file}")
+ENDFOREACH(file)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
new file mode 100644
index 0000000..11233cb
--- /dev/null
+++ b/include/CMakeLists.txt
@@ -0,0 +1,25 @@
+# Copyright 2023 vrunk-toolkit Project
+#
+# This file is part of vrunk-toolkit
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+########################################################################
+# Install public header files
+########################################################################
+install(FILES
+    #example.h
+    #example2.h
+    DESTINATION include
+)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..ca75178
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,72 @@
+# Copyright 2023 vrunk-toolkit Project
+#
+# This file is part of vrunk-toolkit
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+include(GNUInstallDirs)
+
+########################################################################
+# Set up Windows DLL resource files
+########################################################################
+IF(MSVC)
+    include(${CMAKE_SOURCE_DIR}/cmake/Modules/Version.cmake)
+
+    configure_file(
+        ${CMAKE_CURRENT_SOURCE_DIR}/vrunk11-toolkit.rc.in
+        ${CMAKE_CURRENT_BINARY_DIR}/vrunk11-toolkit.rc
+    @ONLY)
+ENDIF(MSVC)
+
+########################################################################
+# Setup libraries used in executables
+########################################################################
+if(WIN32 AND NOT MINGW)
+add_library(libgetopt_static STATIC
+    getopt/getopt.c
+)
+endif()
+
+########################################################################
+# Build utility
+########################################################################
+add_executable(yuv2ycbcr yuv2ycbcr.c)
+add_executable(yc2cvbs yc2cvbs.c)
+set(INSTALL_TARGETS yuv2ycbcr)
+set(INSTALL_TARGETS yc2cvbs)
+
+target_link_libraries(yuv2ycbcr 
+    ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries(yc2cvbs 
+    ${CMAKE_THREAD_LIBS_INIT})
+
+
+if(UNIX)
+target_link_libraries(yuv2ycbcr m)
+target_link_libraries(yc2cvbs m)
+endif()
+
+if(WIN32 AND NOT MINGW)
+target_link_libraries(yuv2ycbcr libgetopt_static)
+target_link_libraries(yc2cvbs libgetopt_static)
+endif()
+
+########################################################################
+# Install built library files & utilities
+########################################################################
+install(TARGETS ${INSTALL_TARGETS}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # .so/.dylib file
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # .lib file
+    RUNTIME DESTINATION bin              # .dll file
+)
diff --git a/src/getopt/getopt.c b/src/getopt/getopt.c
new file mode 100644
index 0000000..f1d461a
--- /dev/null
+++ b/src/getopt/getopt.c
@@ -0,0 +1,1059 @@
+/* Getopt for GNU.
+   NOTE: getopt is now part of the C library, so if you don't know what
+   "Keep this file name-space clean" means, talk to drepper@gnu.org
+   before changing it!
+   Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
+   Ditto for AIX 3.2 and <stdlib.h>.  */
+#ifndef _NO_PROTO
+# define _NO_PROTO
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if !defined __STDC__ || !__STDC__
+/* This is a separate conditional since some stdc systems
+   reject `defined (const)'.  */
+# ifndef const
+#  define const
+# endif
+#endif
+
+#include <stdio.h>
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+   actually compiling the library itself.  This code is part of the GNU C
+   Library, but also included in many other GNU distributions.  Compiling
+   and linking in this code is a waste when using the GNU C library
+   (especially if it is a shared library).  Rather than having every GNU
+   program understand `configure --with-gnu-libc' and omit the object files,
+   it is simpler to just do this in the source for each such file.  */
+
+#define GETOPT_INTERFACE_VERSION 2
+#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
+# include <gnu-versions.h>
+# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+#  define ELIDE_CODE
+# endif
+#endif
+
+#ifndef ELIDE_CODE
+
+
+/* This needs to come after some library #include
+   to get __GNU_LIBRARY__ defined.  */
+#ifdef	__GNU_LIBRARY__
+/* Don't include stdlib.h for non-GNU C libraries because some of them
+   contain conflicting prototypes for getopt.  */
+# include <stdlib.h>
+# include <unistd.h>
+#endif	/* GNU C library.  */
+
+#ifdef VMS
+# include <unixlib.h>
+# if HAVE_STRING_H - 0
+#  include <string.h>
+# endif
+#endif
+
+#ifndef _
+/* This is for other GNU distributions with internationalized messages.  */
+# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
+#  include <libintl.h>
+#  ifndef _
+#   define _(msgid)	gettext (msgid)
+#  endif
+# else
+#  define _(msgid)	(msgid)
+# endif
+#endif
+
+/* This version of `getopt' appears to the caller like standard Unix `getopt'
+   but it behaves differently for the user, since it allows the user
+   to intersperse the options with the other arguments.
+
+   As `getopt' works, it permutes the elements of ARGV so that,
+   when it is done, all the options precede everything else.  Thus
+   all application programs are extended to handle flexible argument order.
+
+   Setting the environment variable POSIXLY_CORRECT disables permutation.
+   Then the behavior is completely standard.
+
+   GNU application programs can use a third alternative mode in which
+   they can distinguish the relative order of options and other arguments.  */
+
+#include "getopt.h"
+
+/* For communication from `getopt' to the caller.
+   When `getopt' finds an option that takes an argument,
+   the argument value is returned here.
+   Also, when `ordering' is RETURN_IN_ORDER,
+   each non-option ARGV-element is returned here.  */
+
+char *optarg;
+
+/* Index in ARGV of the next element to be scanned.
+   This is used for communication to and from the caller
+   and for communication between successive calls to `getopt'.
+
+   On entry to `getopt', zero means this is the first call; initialize.
+
+   When `getopt' returns -1, this is the index of the first of the
+   non-option elements that the caller should itself scan.
+
+   Otherwise, `optind' communicates from one call to the next
+   how much of ARGV has been scanned so far.  */
+
+/* 1003.2 says this must be 1 before any call.  */
+int optind = 1;
+
+/* Formerly, initialization of getopt depended on optind==0, which
+   causes problems with re-calling getopt as programs generally don't
+   know that. */
+
+int __getopt_initialized;
+
+/* The next char to be scanned in the option-element
+   in which the last option character we returned was found.
+   This allows us to pick up the scan where we left off.
+
+   If this is zero, or a null string, it means resume the scan
+   by advancing to the next ARGV-element.  */
+
+static char *nextchar;
+
+/* Callers store zero here to inhibit the error message
+   for unrecognized options.  */
+
+int opterr = 1;
+
+/* Set to an option character which was unrecognized.
+   This must be initialized on some systems to avoid linking in the
+   system's own getopt implementation.  */
+
+int optopt = '?';
+
+/* Describe how to deal with options that follow non-option ARGV-elements.
+
+   If the caller did not specify anything,
+   the default is REQUIRE_ORDER if the environment variable
+   POSIXLY_CORRECT is defined, PERMUTE otherwise.
+
+   REQUIRE_ORDER means don't recognize them as options;
+   stop option processing when the first non-option is seen.
+   This is what Unix does.
+   This mode of operation is selected by either setting the environment
+   variable POSIXLY_CORRECT, or using `+' as the first character
+   of the list of option characters.
+
+   PERMUTE is the default.  We permute the contents of ARGV as we scan,
+   so that eventually all the non-options are at the end.  This allows options
+   to be given in any order, even with programs that were not written to
+   expect this.
+
+   RETURN_IN_ORDER is an option available to programs that were written
+   to expect options and other ARGV-elements in any order and that care about
+   the ordering of the two.  We describe each non-option ARGV-element
+   as if it were the argument of an option with character code 1.
+   Using `-' as the first character of the list of option characters
+   selects this mode of operation.
+
+   The special argument `--' forces an end of option-scanning regardless
+   of the value of `ordering'.  In the case of RETURN_IN_ORDER, only
+   `--' can cause `getopt' to return -1 with `optind' != ARGC.  */
+
+static enum
+{
+  REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
+} ordering;
+
+/* Value of POSIXLY_CORRECT environment variable.  */
+static char *posixly_correct;
+
+#ifdef	__GNU_LIBRARY__
+/* We want to avoid inclusion of string.h with non-GNU libraries
+   because there are many ways it can cause trouble.
+   On some systems, it contains special magic macros that don't work
+   in GCC.  */
+# include <string.h>
+# define my_index	strchr
+#else
+
+# if 1 //HAVE_STRING_H
+#  include <string.h>
+# else
+#  include <strings.h>
+# endif
+
+/* Avoid depending on library functions or files
+   whose names are inconsistent.  */
+
+#ifndef getenv
+#ifdef _MSC_VER
+// DDK will complain if you don't use the stdlib defined getenv
+#include <stdlib.h>
+#else
+extern char *getenv ();
+#endif
+#endif
+
+static char *
+my_index (str, chr)
+     const char *str;
+     int chr;
+{
+  while (*str)
+    {
+      if (*str == chr)
+	return (char *) str;
+      str++;
+    }
+  return 0;
+}
+
+/* If using GCC, we can safely declare strlen this way.
+   If not using GCC, it is ok not to declare it.  */
+#ifdef __GNUC__
+/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
+   That was relevant to code that was here before.  */
+# if (!defined __STDC__ || !__STDC__) && !defined strlen
+/* gcc with -traditional declares the built-in strlen to return int,
+   and has done so at least since version 2.4.5. -- rms.  */
+extern int strlen (const char *);
+# endif /* not __STDC__ */
+#endif /* __GNUC__ */
+
+#endif /* not __GNU_LIBRARY__ */
+
+/* Handle permutation of arguments.  */
+
+/* Describe the part of ARGV that contains non-options that have
+   been skipped.  `first_nonopt' is the index in ARGV of the first of them;
+   `last_nonopt' is the index after the last of them.  */
+
+static int first_nonopt;
+static int last_nonopt;
+
+#ifdef _LIBC
+/* Stored original parameters.
+   XXX This is no good solution.  We should rather copy the args so
+   that we can compare them later.  But we must not use malloc(3).  */
+extern int __libc_argc;
+extern char **__libc_argv;
+
+/* Bash 2.0 gives us an environment variable containing flags
+   indicating ARGV elements that should not be considered arguments.  */
+
+# ifdef USE_NONOPTION_FLAGS
+/* Defined in getopt_init.c  */
+extern char *__getopt_nonoption_flags;
+
+static int nonoption_flags_max_len;
+static int nonoption_flags_len;
+# endif
+
+# ifdef USE_NONOPTION_FLAGS
+#  define SWAP_FLAGS(ch1, ch2) \
+  if (nonoption_flags_len > 0)						      \
+    {									      \
+      char __tmp = __getopt_nonoption_flags[ch1];			      \
+      __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2];	      \
+      __getopt_nonoption_flags[ch2] = __tmp;				      \
+    }
+# else
+#  define SWAP_FLAGS(ch1, ch2)
+# endif
+#else	/* !_LIBC */
+# define SWAP_FLAGS(ch1, ch2)
+#endif	/* _LIBC */
+
+/* Exchange two adjacent subsequences of ARGV.
+   One subsequence is elements [first_nonopt,last_nonopt)
+   which contains all the non-options that have been skipped so far.
+   The other is elements [last_nonopt,optind), which contains all
+   the options processed since those non-options were skipped.
+
+   `first_nonopt' and `last_nonopt' are relocated so that they describe
+   the new indices of the non-options in ARGV after they are moved.  */
+
+#if defined __STDC__ && __STDC__
+static void exchange (char **);
+#endif
+
+static void
+exchange (argv)
+     char **argv;
+{
+  int bottom = first_nonopt;
+  int middle = last_nonopt;
+  int top = optind;
+  char *tem;
+
+  /* Exchange the shorter segment with the far end of the longer segment.
+     That puts the shorter segment into the right place.
+     It leaves the longer segment in the right place overall,
+     but it consists of two parts that need to be swapped next.  */
+
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+  /* First make sure the handling of the `__getopt_nonoption_flags'
+     string can work normally.  Our top argument must be in the range
+     of the string.  */
+  if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
+    {
+      /* We must extend the array.  The user plays games with us and
+	 presents new arguments.  */
+      char *new_str = malloc (top + 1);
+      if (new_str == NULL)
+	nonoption_flags_len = nonoption_flags_max_len = 0;
+      else
+	{
+	  memset (__mempcpy (new_str, __getopt_nonoption_flags,
+			     nonoption_flags_max_len),
+		  '\0', top + 1 - nonoption_flags_max_len);
+	  nonoption_flags_max_len = top + 1;
+	  __getopt_nonoption_flags = new_str;
+	}
+    }
+#endif
+
+  while (top > middle && middle > bottom)
+    {
+      if (top - middle > middle - bottom)
+	{
+	  /* Bottom segment is the short one.  */
+	  int len = middle - bottom;
+	  register int i;
+
+	  /* Swap it with the top part of the top segment.  */
+	  for (i = 0; i < len; i++)
+	    {
+	      tem = argv[bottom + i];
+	      argv[bottom + i] = argv[top - (middle - bottom) + i];
+	      argv[top - (middle - bottom) + i] = tem;
+	      SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
+	    }
+	  /* Exclude the moved bottom segment from further swapping.  */
+	  top -= len;
+	}
+      else
+	{
+	  /* Top segment is the short one.  */
+	  int len = top - middle;
+	  register int i;
+
+	  /* Swap it with the bottom part of the bottom segment.  */
+	  for (i = 0; i < len; i++)
+	    {
+	      tem = argv[bottom + i];
+	      argv[bottom + i] = argv[middle + i];
+	      argv[middle + i] = tem;
+	      SWAP_FLAGS (bottom + i, middle + i);
+	    }
+	  /* Exclude the moved top segment from further swapping.  */
+	  bottom += len;
+	}
+    }
+
+  /* Update records for the slots the non-options now occupy.  */
+
+  first_nonopt += (optind - last_nonopt);
+  last_nonopt = optind;
+}
+
+/* Initialize the internal data when the first call is made.  */
+
+#if defined __STDC__ && __STDC__
+static const char *_getopt_initialize (int, char *const *, const char *);
+#endif
+static const char *
+_getopt_initialize (argc, argv, optstring)
+     int argc;
+     char *const *argv;
+     const char *optstring;
+{
+  /* Start processing options with ARGV-element 1 (since ARGV-element 0
+     is the program name); the sequence of previously skipped
+     non-option ARGV-elements is empty.  */
+
+  first_nonopt = last_nonopt = optind;
+
+  nextchar = NULL;
+
+  posixly_correct = getenv ("POSIXLY_CORRECT");
+
+  /* Determine how to handle the ordering of options and nonoptions.  */
+
+  if (optstring[0] == '-')
+    {
+      ordering = RETURN_IN_ORDER;
+      ++optstring;
+    }
+  else if (optstring[0] == '+')
+    {
+      ordering = REQUIRE_ORDER;
+      ++optstring;
+    }
+  else if (posixly_correct != NULL)
+    ordering = REQUIRE_ORDER;
+  else
+    ordering = PERMUTE;
+
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+  if (posixly_correct == NULL
+      && argc == __libc_argc && argv == __libc_argv)
+    {
+      if (nonoption_flags_max_len == 0)
+	{
+	  if (__getopt_nonoption_flags == NULL
+	      || __getopt_nonoption_flags[0] == '\0')
+	    nonoption_flags_max_len = -1;
+	  else
+	    {
+	      const char *orig_str = __getopt_nonoption_flags;
+	      int len = nonoption_flags_max_len = strlen (orig_str);
+	      if (nonoption_flags_max_len < argc)
+		nonoption_flags_max_len = argc;
+	      __getopt_nonoption_flags =
+		(char *) malloc (nonoption_flags_max_len);
+	      if (__getopt_nonoption_flags == NULL)
+		nonoption_flags_max_len = -1;
+	      else
+		memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
+			'\0', nonoption_flags_max_len - len);
+	    }
+	}
+      nonoption_flags_len = nonoption_flags_max_len;
+    }
+  else
+    nonoption_flags_len = 0;
+#endif
+
+  return optstring;
+}
+
+/* Scan elements of ARGV (whose length is ARGC) for option characters
+   given in OPTSTRING.
+
+   If an element of ARGV starts with '-', and is not exactly "-" or "--",
+   then it is an option element.  The characters of this element
+   (aside from the initial '-') are option characters.  If `getopt'
+   is called repeatedly, it returns successively each of the option characters
+   from each of the option elements.
+
+   If `getopt' finds another option character, it returns that character,
+   updating `optind' and `nextchar' so that the next call to `getopt' can
+   resume the scan with the following option character or ARGV-element.
+
+   If there are no more option characters, `getopt' returns -1.
+   Then `optind' is the index in ARGV of the first ARGV-element
+   that is not an option.  (The ARGV-elements have been permuted
+   so that those that are not options now come last.)
+
+   OPTSTRING is a string containing the legitimate option characters.
+   If an option character is seen that is not listed in OPTSTRING,
+   return '?' after printing an error message.  If you set `opterr' to
+   zero, the error message is suppressed but we still return '?'.
+
+   If a char in OPTSTRING is followed by a colon, that means it wants an arg,
+   so the following text in the same ARGV-element, or the text of the following
+   ARGV-element, is returned in `optarg'.  Two colons mean an option that
+   wants an optional arg; if there is text in the current ARGV-element,
+   it is returned in `optarg', otherwise `optarg' is set to zero.
+
+   If OPTSTRING starts with `-' or `+', it requests different methods of
+   handling the non-option ARGV-elements.
+   See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
+
+   Long-named options begin with `--' instead of `-'.
+   Their names may be abbreviated as long as the abbreviation is unique
+   or is an exact match for some defined option.  If they have an
+   argument, it follows the option name in the same ARGV-element, separated
+   from the option name by a `=', or else the in next ARGV-element.
+   When `getopt' finds a long-named option, it returns 0 if that option's
+   `flag' field is nonzero, the value of the option's `val' field
+   if the `flag' field is zero.
+
+   The elements of ARGV aren't really const, because we permute them.
+   But we pretend they're const in the prototype to be compatible
+   with other systems.
+
+   LONGOPTS is a vector of `struct option' terminated by an
+   element containing a name which is zero.
+
+   LONGIND returns the index in LONGOPT of the long-named option found.
+   It is only valid when a long-named option has been found by the most
+   recent call.
+
+   If LONG_ONLY is nonzero, '-' as well as '--' can introduce
+   long-named options.  */
+
+int
+_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
+     int argc;
+     char *const *argv;
+     const char *optstring;
+     const struct option *longopts;
+     int *longind;
+     int long_only;
+{
+  int print_errors = opterr;
+  if (optstring[0] == ':')
+    print_errors = 0;
+
+  if (argc < 1)
+    return -1;
+
+  optarg = NULL;
+
+  if (optind == 0 || !__getopt_initialized)
+    {
+      if (optind == 0)
+	optind = 1;	/* Don't scan ARGV[0], the program name.  */
+      optstring = _getopt_initialize (argc, argv, optstring);
+      __getopt_initialized = 1;
+    }
+
+  /* Test whether ARGV[optind] points to a non-option argument.
+     Either it does not have option syntax, or there is an environment flag
+     from the shell indicating it is not an option.  The later information
+     is only used when the used in the GNU libc.  */
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0'	      \
+		      || (optind < nonoption_flags_len			      \
+			  && __getopt_nonoption_flags[optind] == '1'))
+#else
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
+#endif
+
+  if (nextchar == NULL || *nextchar == '\0')
+    {
+      /* Advance to the next ARGV-element.  */
+
+      /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
+	 moved back by the user (who may also have changed the arguments).  */
+      if (last_nonopt > optind)
+	last_nonopt = optind;
+      if (first_nonopt > optind)
+	first_nonopt = optind;
+
+      if (ordering == PERMUTE)
+	{
+	  /* If we have just processed some options following some non-options,
+	     exchange them so that the options come first.  */
+
+	  if (first_nonopt != last_nonopt && last_nonopt != optind)
+	    exchange ((char **) argv);
+	  else if (last_nonopt != optind)
+	    first_nonopt = optind;
+
+	  /* Skip any additional non-options
+	     and extend the range of non-options previously skipped.  */
+
+	  while (optind < argc && NONOPTION_P)
+	    optind++;
+	  last_nonopt = optind;
+	}
+
+      /* The special ARGV-element `--' means premature end of options.
+	 Skip it like a null option,
+	 then exchange with previous non-options as if it were an option,
+	 then skip everything else like a non-option.  */
+
+      if (optind != argc && !strcmp (argv[optind], "--"))
+	{
+	  optind++;
+
+	  if (first_nonopt != last_nonopt && last_nonopt != optind)
+	    exchange ((char **) argv);
+	  else if (first_nonopt == last_nonopt)
+	    first_nonopt = optind;
+	  last_nonopt = argc;
+
+	  optind = argc;
+	}
+
+      /* If we have done all the ARGV-elements, stop the scan
+	 and back over any non-options that we skipped and permuted.  */
+
+      if (optind == argc)
+	{
+	  /* Set the next-arg-index to point at the non-options
+	     that we previously skipped, so the caller will digest them.  */
+	  if (first_nonopt != last_nonopt)
+	    optind = first_nonopt;
+	  return -1;
+	}
+
+      /* If we have come to a non-option and did not permute it,
+	 either stop the scan or describe it to the caller and pass it by.  */
+
+      if (NONOPTION_P)
+	{
+	  if (ordering == REQUIRE_ORDER)
+	    return -1;
+	  optarg = argv[optind++];
+	  return 1;
+	}
+
+      /* We have found another option-ARGV-element.
+	 Skip the initial punctuation.  */
+
+      nextchar = (argv[optind] + 1
+		  + (longopts != NULL && argv[optind][1] == '-'));
+    }
+
+  /* Decode the current option-ARGV-element.  */
+
+  /* Check whether the ARGV-element is a long option.
+
+     If long_only and the ARGV-element has the form "-f", where f is
+     a valid short option, don't consider it an abbreviated form of
+     a long option that starts with f.  Otherwise there would be no
+     way to give the -f short option.
+
+     On the other hand, if there's a long option "fubar" and
+     the ARGV-element is "-fu", do consider that an abbreviation of
+     the long option, just like "--fu", and not "-f" with arg "u".
+
+     This distinction seems to be the most useful approach.  */
+
+  if (longopts != NULL
+      && (argv[optind][1] == '-'
+	  || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
+    {
+      char *nameend;
+      const struct option *p;
+      const struct option *pfound = NULL;
+      int exact = 0;
+      int ambig = 0;
+      int indfound = -1;
+      int option_index;
+
+      for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
+	/* Do nothing.  */ ;
+
+      /* Test all long options for either exact match
+	 or abbreviated matches.  */
+      for (p = longopts, option_index = 0; p->name; p++, option_index++)
+	if (!strncmp (p->name, nextchar, nameend - nextchar))
+	  {
+	    if ((unsigned int) (nameend - nextchar)
+		== (unsigned int) strlen (p->name))
+	      {
+		/* Exact match found.  */
+		pfound = p;
+		indfound = option_index;
+		exact = 1;
+		break;
+	      }
+	    else if (pfound == NULL)
+	      {
+		/* First nonexact match found.  */
+		pfound = p;
+		indfound = option_index;
+	      }
+	    else if (long_only
+		     || pfound->has_arg != p->has_arg
+		     || pfound->flag != p->flag
+		     || pfound->val != p->val)
+	      /* Second or later nonexact match found.  */
+	      ambig = 1;
+	  }
+
+      if (ambig && !exact)
+	{
+	  if (print_errors)
+	    fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
+		     argv[0], argv[optind]);
+	  nextchar += strlen (nextchar);
+	  optind++;
+	  optopt = 0;
+	  return '?';
+	}
+
+      if (pfound != NULL)
+	{
+	  option_index = indfound;
+	  optind++;
+	  if (*nameend)
+	    {
+	      /* Don't test has_arg with >, because some C compilers don't
+		 allow it to be used on enums.  */
+	      if (pfound->has_arg)
+		optarg = nameend + 1;
+	      else
+		{
+		  if (print_errors)
+		    {
+		      if (argv[optind - 1][1] == '-')
+			/* --option */
+			fprintf (stderr,
+				 _("%s: option `--%s' doesn't allow an argument\n"),
+				 argv[0], pfound->name);
+		      else
+			/* +option or -option */
+			fprintf (stderr,
+				 _("%s: option `%c%s' doesn't allow an argument\n"),
+				 argv[0], argv[optind - 1][0], pfound->name);
+		    }
+
+		  nextchar += strlen (nextchar);
+
+		  optopt = pfound->val;
+		  return '?';
+		}
+	    }
+	  else if (pfound->has_arg == 1)
+	    {
+	      if (optind < argc)
+		optarg = argv[optind++];
+	      else
+		{
+		  if (print_errors)
+		    fprintf (stderr,
+			   _("%s: option `%s' requires an argument\n"),
+			   argv[0], argv[optind - 1]);
+		  nextchar += strlen (nextchar);
+		  optopt = pfound->val;
+		  return optstring[0] == ':' ? ':' : '?';
+		}
+	    }
+	  nextchar += strlen (nextchar);
+	  if (longind != NULL)
+	    *longind = option_index;
+	  if (pfound->flag)
+	    {
+	      *(pfound->flag) = pfound->val;
+	      return 0;
+	    }
+	  return pfound->val;
+	}
+
+      /* Can't find it as a long option.  If this is not getopt_long_only,
+	 or the option starts with '--' or is not a valid short
+	 option, then it's an error.
+	 Otherwise interpret it as a short option.  */
+      if (!long_only || argv[optind][1] == '-'
+	  || my_index (optstring, *nextchar) == NULL)
+	{
+	  if (print_errors)
+	    {
+	      if (argv[optind][1] == '-')
+		/* --option */
+		fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
+			 argv[0], nextchar);
+	      else
+		/* +option or -option */
+		fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
+			 argv[0], argv[optind][0], nextchar);
+	    }
+	  nextchar = (char *) "";
+	  optind++;
+	  optopt = 0;
+	  return '?';
+	}
+    }
+
+  /* Look at and handle the next short option-character.  */
+
+  {
+    char c = *nextchar++;
+    char *temp = my_index (optstring, c);
+
+    /* Increment `optind' when we start to process its last character.  */
+    if (*nextchar == '\0')
+      ++optind;
+
+    if (temp == NULL || c == ':')
+      {
+	if (print_errors)
+	  {
+	    if (posixly_correct)
+	      /* 1003.2 specifies the format of this message.  */
+	      fprintf (stderr, _("%s: illegal option -- %c\n"),
+		       argv[0], c);
+	    else
+	      fprintf (stderr, _("%s: invalid option -- %c\n"),
+		       argv[0], c);
+	  }
+	optopt = c;
+	return '?';
+      }
+    /* Convenience. Treat POSIX -W foo same as long option --foo */
+    if (temp[0] == 'W' && temp[1] == ';')
+      {
+	char *nameend;
+	const struct option *p;
+	const struct option *pfound = NULL;
+	int exact = 0;
+	int ambig = 0;
+	int indfound = 0;
+	int option_index;
+
+	/* This is an option that requires an argument.  */
+	if (*nextchar != '\0')
+	  {
+	    optarg = nextchar;
+	    /* If we end this ARGV-element by taking the rest as an arg,
+	       we must advance to the next element now.  */
+	    optind++;
+	  }
+	else if (optind == argc)
+	  {
+	    if (print_errors)
+	      {
+		/* 1003.2 specifies the format of this message.  */
+		fprintf (stderr, _("%s: option requires an argument -- %c\n"),
+			 argv[0], c);
+	      }
+	    optopt = c;
+	    if (optstring[0] == ':')
+	      c = ':';
+	    else
+	      c = '?';
+	    return c;
+	  }
+	else
+	  /* We already incremented `optind' once;
+	     increment it again when taking next ARGV-elt as argument.  */
+	  optarg = argv[optind++];
+
+	/* optarg is now the argument, see if it's in the
+	   table of longopts.  */
+
+	for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
+	  /* Do nothing.  */ ;
+
+	/* Test all long options for either exact match
+	   or abbreviated matches.  */
+	for (p = longopts, option_index = 0; p->name; p++, option_index++)
+	  if (!strncmp (p->name, nextchar, nameend - nextchar))
+	    {
+	      if ((unsigned int) (nameend - nextchar) == strlen (p->name))
+		{
+		  /* Exact match found.  */
+		  pfound = p;
+		  indfound = option_index;
+		  exact = 1;
+		  break;
+		}
+	      else if (pfound == NULL)
+		{
+		  /* First nonexact match found.  */
+		  pfound = p;
+		  indfound = option_index;
+		}
+	      else
+		/* Second or later nonexact match found.  */
+		ambig = 1;
+	    }
+	if (ambig && !exact)
+	  {
+	    if (print_errors)
+	      fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
+		       argv[0], argv[optind]);
+	    nextchar += strlen (nextchar);
+	    optind++;
+	    return '?';
+	  }
+	if (pfound != NULL)
+	  {
+	    option_index = indfound;
+	    if (*nameend)
+	      {
+		/* Don't test has_arg with >, because some C compilers don't
+		   allow it to be used on enums.  */
+		if (pfound->has_arg)
+		  optarg = nameend + 1;
+		else
+		  {
+		    if (print_errors)
+		      fprintf (stderr, _("\
+			%s: option `-W %s' doesn't allow an argument\n"),
+			       argv[0], pfound->name);
+
+		    nextchar += strlen (nextchar);
+		    return '?';
+		  }
+	      }
+	    else if (pfound->has_arg == 1)
+	      {
+		if (optind < argc)
+		  optarg = argv[optind++];
+		else
+		  {
+		    if (print_errors)
+		      fprintf (stderr,
+			       _("%s: option `%s' requires an argument\n"),
+			       argv[0], argv[optind - 1]);
+		    nextchar += strlen (nextchar);
+		    return optstring[0] == ':' ? ':' : '?';
+		  }
+	      }
+	    nextchar += strlen (nextchar);
+	    if (longind != NULL)
+	      *longind = option_index;
+	    if (pfound->flag)
+	      {
+		*(pfound->flag) = pfound->val;
+		return 0;
+	      }
+	    return pfound->val;
+	  }
+	  nextchar = NULL;
+	  return 'W';	/* Let the application handle it.   */
+      }
+    if (temp[1] == ':')
+      {
+	if (temp[2] == ':')
+	  {
+	    /* This is an option that accepts an argument optionally.  */
+	    if (*nextchar != '\0')
+	      {
+		optarg = nextchar;
+		optind++;
+	      }
+	    else
+	      optarg = NULL;
+	    nextchar = NULL;
+	  }
+	else
+	  {
+	    /* This is an option that requires an argument.  */
+	    if (*nextchar != '\0')
+	      {
+		optarg = nextchar;
+		/* If we end this ARGV-element by taking the rest as an arg,
+		   we must advance to the next element now.  */
+		optind++;
+	      }
+	    else if (optind == argc)
+	      {
+		if (print_errors)
+		  {
+		    /* 1003.2 specifies the format of this message.  */
+		    fprintf (stderr,
+			     _("%s: option requires an argument -- %c\n"),
+			     argv[0], c);
+		  }
+		optopt = c;
+		if (optstring[0] == ':')
+		  c = ':';
+		else
+		  c = '?';
+	      }
+	    else
+	      /* We already incremented `optind' once;
+		 increment it again when taking next ARGV-elt as argument.  */
+	      optarg = argv[optind++];
+	    nextchar = NULL;
+	  }
+      }
+    return c;
+  }
+}
+
+int
+getopt (argc, argv, optstring)
+     int argc;
+     char *const *argv;
+     const char *optstring;
+{
+  return _getopt_internal (argc, argv, optstring,
+			   (const struct option *) 0,
+			   (int *) 0,
+			   0);
+}
+
+#endif	/* Not ELIDE_CODE.  */
+
+#ifdef TEST
+
+/* Compile with -DTEST to make an executable for use in testing
+   the above definition of `getopt'.  */
+
+int
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  int c;
+  int digit_optind = 0;
+
+  while (1)
+    {
+      int this_option_optind = optind ? optind : 1;
+
+      c = getopt (argc, argv, "abc:d:0123456789");
+      if (c == -1)
+	break;
+
+      switch (c)
+	{
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	case '9':
+	  if (digit_optind != 0 && digit_optind != this_option_optind)
+	    printf ("digits occur in two different argv-elements.\n");
+	  digit_optind = this_option_optind;
+	  printf ("option %c\n", c);
+	  break;
+
+	case 'a':
+	  printf ("option a\n");
+	  break;
+
+	case 'b':
+	  printf ("option b\n");
+	  break;
+
+	case 'c':
+	  printf ("option c with value `%s'\n", optarg);
+	  break;
+
+	case '?':
+	  break;
+
+	default:
+	  printf ("?? getopt returned character code 0%o ??\n", c);
+	}
+    }
+
+  if (optind < argc)
+    {
+      printf ("non-option ARGV-elements: ");
+      while (optind < argc)
+	printf ("%s ", argv[optind++]);
+      printf ("\n");
+    }
+
+  exit (0);
+}
+
+#endif /* TEST */
diff --git a/src/getopt/getopt.h b/src/getopt/getopt.h
new file mode 100644
index 0000000..a1b8dd6
--- /dev/null
+++ b/src/getopt/getopt.h
@@ -0,0 +1,180 @@
+/* Declarations for getopt.
+   Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _GETOPT_H
+
+#ifndef __need_getopt
+# define _GETOPT_H 1
+#endif
+
+/* If __GNU_LIBRARY__ is not already defined, either we are being used
+   standalone, or this is the first header included in the source file.
+   If we are being used with glibc, we need to include <features.h>, but
+   that does not exist if we are standalone.  So: if __GNU_LIBRARY__ is
+   not defined, include <ctype.h>, which will pull in <features.h> for us
+   if it's from glibc.  (Why ctype.h?  It's guaranteed to exist and it
+   doesn't flood the namespace with stuff the way some other headers do.)  */
+#if !defined __GNU_LIBRARY__
+# include <ctype.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* For communication from `getopt' to the caller.
+   When `getopt' finds an option that takes an argument,
+   the argument value is returned here.
+   Also, when `ordering' is RETURN_IN_ORDER,
+   each non-option ARGV-element is returned here.  */
+
+extern char *optarg;
+
+/* Index in ARGV of the next element to be scanned.
+   This is used for communication to and from the caller
+   and for communication between successive calls to `getopt'.
+
+   On entry to `getopt', zero means this is the first call; initialize.
+
+   When `getopt' returns -1, this is the index of the first of the
+   non-option elements that the caller should itself scan.
+
+   Otherwise, `optind' communicates from one call to the next
+   how much of ARGV has been scanned so far.  */
+
+extern int optind;
+
+/* Callers store zero here to inhibit the error message `getopt' prints
+   for unrecognized options.  */
+
+extern int opterr;
+
+/* Set to an option character which was unrecognized.  */
+
+extern int optopt;
+
+#ifndef __need_getopt
+/* Describe the long-named options requested by the application.
+   The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
+   of `struct option' terminated by an element containing a name which is
+   zero.
+
+   The field `has_arg' is:
+   no_argument		(or 0) if the option does not take an argument,
+   required_argument	(or 1) if the option requires an argument,
+   optional_argument 	(or 2) if the option takes an optional argument.
+
+   If the field `flag' is not NULL, it points to a variable that is set
+   to the value given in the field `val' when the option is found, but
+   left unchanged if the option is not found.
+
+   To have a long-named option do something other than set an `int' to
+   a compiled-in constant, such as set a value from `optarg', set the
+   option's `flag' field to zero and its `val' field to a nonzero
+   value (the equivalent single-letter option character, if there is
+   one).  For long options that have a zero `flag' field, `getopt'
+   returns the contents of the `val' field.  */
+
+struct option
+{
+# if (defined __STDC__ && __STDC__) || defined __cplusplus
+  const char *name;
+# else
+  char *name;
+# endif
+  /* has_arg can't be an enum because some compilers complain about
+     type mismatches in all the code that assumes it is an int.  */
+  int has_arg;
+  int *flag;
+  int val;
+};
+
+/* Names for the values of the `has_arg' field of `struct option'.  */
+
+# define no_argument		0
+# define required_argument	1
+# define optional_argument	2
+#endif	/* need getopt */
+
+
+/* Get definitions and prototypes for functions to process the
+   arguments in ARGV (ARGC of them, minus the program name) for
+   options given in OPTS.
+
+   Return the option character from OPTS just read.  Return -1 when
+   there are no more options.  For unrecognized options, or options
+   missing arguments, `optopt' is set to the option letter, and '?' is
+   returned.
+
+   The OPTS string is a list of characters which are recognized option
+   letters, optionally followed by colons, specifying that that letter
+   takes an argument, to be placed in `optarg'.
+
+   If a letter in OPTS is followed by two colons, its argument is
+   optional.  This behavior is specific to the GNU `getopt'.
+
+   The argument `--' causes premature termination of argument
+   scanning, explicitly telling `getopt' that there are no more
+   options.
+
+   If OPTS begins with `--', then non-option arguments are treated as
+   arguments to the option '\0'.  This behavior is specific to the GNU
+   `getopt'.  */
+
+#if (defined __STDC__ && __STDC__) || defined __cplusplus
+# ifdef __GNU_LIBRARY__
+/* Many other libraries have conflicting prototypes for getopt, with
+   differences in the consts, in stdlib.h.  To avoid compilation
+   errors, only prototype getopt for the GNU C library.  */
+extern int getopt (int __argc, char *const *__argv, const char *__shortopts);
+# else /* not __GNU_LIBRARY__ */
+extern int getopt ();
+# endif /* __GNU_LIBRARY__ */
+
+# ifndef __need_getopt
+extern int getopt_long (int __argc, char *const *__argv, const char *__shortopts,
+		        const struct option *__longopts, int *__longind);
+extern int getopt_long_only (int __argc, char *const *__argv,
+			     const char *__shortopts,
+		             const struct option *__longopts, int *__longind);
+
+/* Internal only.  Users should not call this directly.  */
+extern int _getopt_internal (int __argc, char *const *__argv,
+			     const char *__shortopts,
+		             const struct option *__longopts, int *__longind,
+			     int __long_only);
+# endif
+#else /* not __STDC__ */
+extern int getopt ();
+# ifndef __need_getopt
+extern int getopt_long ();
+extern int getopt_long_only ();
+
+extern int _getopt_internal ();
+# endif
+#endif /* __STDC__ */
+
+#ifdef	__cplusplus
+}
+#endif
+
+/* Make sure we later can get all the definitions and declarations.  */
+#undef __need_getopt
+
+#endif /* getopt.h */
diff --git a/src/yc2cvbs.c b/src/yc2cvbs.c
new file mode 100644
index 0000000..82be4cf
--- /dev/null
+++ b/src/yc2cvbs.c
@@ -0,0 +1,266 @@
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <pthread.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#ifndef _WIN32
+	#include <unistd.h>
+	#define sleep_ms(ms)	usleep(ms*1000)
+	#else
+	#include <windows.h>
+	#include <io.h>
+	#include <fcntl.h>
+	#define sleep_ms(ms)	Sleep(ms)
+#endif
+
+#define _FILE_OFFSET_BITS 64
+
+#ifdef _WIN64
+#define FSEEK fseeko64
+#else
+#define FSEEK fseeko
+#endif
+
+void usage(void)
+{
+	fprintf(stderr,
+		"Vrunk11 toolkit, yc2cvbs a simple program for merging y/c into cvbs\n\n"
+		"Usage:\n"
+		"\t[-l luma file (use '-' to read from stdin)\n"
+		"\t[-c chroma file (use '-' to read from stdin)\n"
+		"\t[-b bit depth (8 or 16) default = 16\n"
+		"\t[-s video standard (pal / ntsc) default = ntsc\n"
+	);
+	exit(1);
+}
+
+const char *get_filename_ext(const char *filename) {
+    const char *dot = strrchr(filename, '.');
+    if(!dot || dot == filename) return "";
+    return dot + 1;
+}
+
+void process_files(FILE *F1,FILE *F2,unsigned short *out_buf,unsigned int buf_size,int bitdepth)
+{
+	unsigned int i = 0;
+	long calc = 0;	
+	
+	unsigned short *tmp_r_buf = malloc(buf_size);//luma input
+	unsigned short *tmp_r2_buf = malloc(buf_size);//chroma input
+	unsigned short *tmp_w_buf = malloc(buf_size);//writing buffer
+	
+	/*//16bit cast
+	short *tmp_r_buf16 = (void*)tmp_r_buf;//16bit luma input
+	short *tmp_r2_buf16 = (void*)tmp_r_buf;//16bit chroma input*/
+	
+	//8bit cast
+	unsigned char *tmp_r_buf8 = (void*)tmp_r_buf;//8bit luma input
+	unsigned char *tmp_r2_buf8 = (void*)tmp_r_buf;//8bit chroma input
+	unsigned char *tmp_w_buf8 = (void*)tmp_w_buf;//8bit writing buffer
+	
+	unsigned short value16 = 0;
+	unsigned short value16_2 = 0;
+	unsigned char value8 = 0;
+	unsigned char value8_2 = 0;
+	
+	short *value16_signed = (void *)&value16;
+	short *value16_2_signed = (void *)&value16_2;
+	char *value8_signed = (void *)&value8;
+	char *value8_2_signed = (void *)&value8_2;
+	
+	fread(tmp_r_buf,buf_size,1,F1);
+	fread(tmp_r2_buf,buf_size,1,F2);
+	
+	if(bitdepth == 16)//16bit
+	{
+		while(i < (buf_size/2))
+		{
+			value16 = tmp_r_buf[i];
+			value16_2 = tmp_r2_buf[i];
+			/*if((tmp_r_buf16[i] + tmp_r2_buf16[i] + 32768) > 65535)
+			{
+				tmp_w_buf[i] = 65535;
+			}
+			else if((tmp_r_buf16[i] + tmp_r2_buf16[i] + 32768) < 1024)
+			{
+				tmp_w_buf[i] = 1024;
+			}*/
+			tmp_w_buf[i] = *value16_signed + *value16_2_signed + 32768;//add luma + chroma 
+			i++;
+		}
+	}
+	else//8bit
+	{
+		while(i < (buf_size))
+		{
+			value8 = tmp_r_buf8[i];
+			value8_2 = tmp_r2_buf8[i];
+			/*if((tmp_r_buf8[i] + tmp_r2_buf8[i] + 32768) > 255)
+			{
+				tmp_w_buf8[i] = 255;
+			}
+			else if((tmp_r_buf8[i] + tmp_r2_buf8[i] + 32768) < 3)
+			{
+				tmp_w_buf8[i] = 3;
+			}*/
+			tmp_w_buf8[i] = *value8_signed + *value8_2_signed + 128;//add luma + chroma
+			i++;
+		}
+	}
+	
+	memcpy(out_buf, tmp_w_buf, buf_size);
+	
+	free(tmp_r_buf);
+	free(tmp_r2_buf);
+	free(tmp_w_buf);
+
+}
+
+int main(int argc, char **argv)
+{
+#ifdef _WIN32 || _WIN64
+	_setmode(_fileno(stdout), O_BINARY);
+	_setmode(_fileno(stdin), O_BINARY);	
+#endif
+
+	int opt;
+
+	//file adress
+	char *input_name_1 = NULL;
+	char *input_name_2 = NULL;
+	
+	//input file
+	FILE *input_1;
+	FILE *input_2;
+	
+	char standard = 'N';//default ntsc
+	int bitdepth = 16;//default 16bit
+	
+	unsigned short *buf = NULL;
+	unsigned int buf_length = 0;
+
+	while ((opt = getopt(argc, argv, "s:b:l:c:")) != -1) {
+		switch (opt) {
+		case 's':
+			if((strcmp(optarg, "ntsc" ) == 0) || (strcmp(optarg, "NTSC" ) == 0) || (strcmp(optarg, "Ntsc" ) == 0) || (strcmp(optarg, "N" ) == 0) || (strcmp(optarg, "n" ) == 0))
+			{
+				standard = 'N';
+			}
+			else if((strcmp(optarg, "pal" ) == 0) || (strcmp(optarg, "PAL" ) == 0) || (strcmp(optarg, "Pal" ) == 0) || (strcmp(optarg, "P" ) == 0) || (strcmp(optarg, "p" ) == 0))
+			{
+				standard = 'P';
+			}
+			else
+			{
+				standard = 'E';//error
+			}
+			break;
+		case 'b':
+			bitdepth = atoi(optarg);
+			break;
+		case 'l':
+			input_name_1 = optarg;
+			break;
+		case 'c':
+			input_name_2 = optarg;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+	
+	//check bitdepth
+	if(bitdepth != 16 && bitdepth != 8)
+	{
+		fprintf(stderr, "unknown value '%d' for option -b / supported value = (16,8)\n", bitdepth);
+		usage();
+	}
+	
+	//reading file 1
+	if (strcmp(input_name_1, "-") == 0)// Read samples from stdin
+	{
+		input_1 = stdin;
+	}
+	else
+	{
+		input_1 = fopen(input_name_1, "rb");
+		if (!input_1) {
+			fprintf(stderr, "(1) : Failed to open %s\n", input_1);
+			return -ENOENT;
+		}
+	}
+	
+	//reading file 2
+	if (strcmp(input_name_2, "-") == 0)// Read samples from stdin
+	{
+		input_2 = stdin;
+	}
+	else
+	{
+		input_2 = fopen(input_name_2, "rb");
+		if (!input_2) {
+			fprintf(stderr, "(2) : Failed to open %s\n", input_2);
+			return -ENOENT;
+		}
+	}
+	
+	if(standard == 'N' || standard == 'P')
+	{
+		if(standard == 'N')
+		{
+			buf_length = bitdepth == 16 ? 478660*2 : 478660;//(910 * 526)*2 for 16bit / (910 * 526) for 8bit
+		}
+		else if(standard == 'P')
+		{
+			buf_length = bitdepth == 16 ? 710510*2 : 710510;//(1135 * 626)*2 for 16bit / (1135 * 626) for 8bit
+		}
+		
+		buf = malloc(buf_length);
+		if(buf == NULL)//check allocation error
+		{
+			free(buf);
+			fprintf(stderr, "malloc error (buf)\n");
+			return -1;
+		}
+	}
+	else//error
+	{
+		fprintf(stderr, "unknow standard error / supported value = (pal,PAL,Pal,p,P) (ntsc,NTSC,Ntsc,n,N)\n");
+		return -1;
+	}
+	
+	while(!feof(input_1) || !feof(input_2))
+	{
+		process_files(input_1,input_2,buf,buf_length,bitdepth);
+	
+		//write to stdout (pipe)
+		if(isatty(STDOUT_FILENO) == 0)
+		{
+			fwrite(buf, buf_length,1,stdout);
+			fflush(stdout);
+		}
+	}
+
+////ending of the program
+	
+	free(buf);
+	
+	//Close file 1
+	if (input_1 && (input_1 != stdin))
+	{
+		fclose(input_1);
+	}
+	
+	//Close file 2
+	if (input_2 && (input_2 != stdin))
+	{
+		fclose(input_2);
+	}
+
+	return 0;
+}
diff --git a/src/yuv2ycbcr.c b/src/yuv2ycbcr.c
new file mode 100644
index 0000000..c29b445
--- /dev/null
+++ b/src/yuv2ycbcr.c
@@ -0,0 +1,311 @@
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <pthread.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#ifndef _WIN32
+	#include <unistd.h>
+	#define sleep_ms(ms)	usleep(ms*1000)
+	#else
+	#include <windows.h>
+	#include <io.h>
+	#include <fcntl.h>
+	#define sleep_ms(ms)	Sleep(ms)
+#endif
+
+#define _FILE_OFFSET_BITS 64
+
+#ifdef _WIN64
+#define FSEEK fseeko64
+#else
+#define FSEEK fseeko
+#endif
+
+void usage(void)
+{
+	fprintf(stderr,
+		"Vrunk11 toolkit, a simple program for process video\n\n"
+		"Usage:\n"
+		"\t[-i1 filename 1 (use '-' to read from stdin)\n"
+		"\t[-i2 filename 2 (use '-' to read from stdin)\n"
+		"\t[-i3 filename 3 (use '-' to read from stdin)\n"
+	);
+	exit(1);
+}
+
+const char *get_filename_ext(const char *filename) {
+    const char *dot = strrchr(filename, '.');
+    if(!dot || dot == filename) return "";
+    return dot + 1;
+}
+
+void process_files(FILE *F1,FILE *F2,FILE *F3,unsigned short *out_buf,unsigned int buf_size,char standard)
+{
+	unsigned int y = 0;
+	unsigned int i = 0;
+	int black = 0;
+	int white = 0;
+	
+	if(standard == "N")//NTSC
+	{
+		black = 18048;
+		white = 51200;
+	}
+	else//PAL
+	{
+		black = 16384;
+		white = 54016;
+	}
+
+	double VideoRange = (white - black);
+	double Yscale = (56064.0 / VideoRange);
+	double Uscale = (28672 / (0.886 * 0.49211104112248356308804691718185)) / VideoRange;
+	double Vscale = (28672 / (0.701 * 0.87728321993817866838972487283129)) / VideoRange;
+	
+	long calc = 0;	
+	
+	unsigned short *tmp_r_buf = malloc(buf_size/3);//reading
+	//short *tmp_r_buf_u = (void*)tmp_r_buf;//reading
+	unsigned short *tmp_w_buf = malloc(buf_size);//writing
+	
+	fread(tmp_r_buf,buf_size/3,1,F1);
+	
+	while(i < (buf_size/2)/3)//Y
+	{
+		if(((tmp_r_buf[i] - 18048) * Yscale) + 4096 >= 65216)//clipping white
+		{
+			tmp_w_buf[y] = 65216;
+		}
+		else if(((tmp_r_buf[i] - 18048) * Yscale) + 4096 <= 256)//clipping black
+		{
+			tmp_w_buf[y] = 256;
+		}
+		else
+		{
+			tmp_w_buf[y] = ((tmp_r_buf[i] - 18048) * Yscale) + 4096;
+		}
+		i++;
+		y++;
+	}
+	i = 0;
+	fread(tmp_r_buf,buf_size/3,1,F2);
+	 
+	while(i < (buf_size/2)/3)//U
+	{
+		calc = tmp_r_buf[i] - 32767;
+		//tmp_r_buf[i] = tmp_r_buf[i] - 32767;
+		/*if(((calc * Uscale) + 4096) >= 65216)
+		{
+			tmp_w_buf[y] = 65216;
+		}
+		else if(((calc * Uscale) + 4096) <= 32768)
+		{
+			tmp_w_buf[y] = 32768;
+		}
+		else
+		{*/
+			tmp_w_buf[y] = ((calc * Uscale))+32767;
+		//}
+		i++;
+		y++;
+	}
+	i = 0;
+	fread(tmp_r_buf,buf_size/3,1,F3);
+	
+	while(i < (buf_size/2)/3)//V
+	{
+		calc = tmp_r_buf[i] - 32767;
+		//tmp_r_buf[i] = tmp_r_buf[i] - 32767;
+		/*if(((calc * Vscale) + 4096) >= 65216)
+		{
+			tmp_w_buf[y] = 65216;
+		}
+		else if(((calc * Vscale) + 4096) <= 32768)
+		{
+			tmp_w_buf[y] = 32768;
+		}
+		else
+		{*/
+			tmp_w_buf[y] = ((calc * Vscale))+32767;
+		//}
+		i++;
+		y++;
+	}
+	
+	memcpy(out_buf, tmp_w_buf, buf_size);
+	
+	free(tmp_r_buf);
+	free(tmp_w_buf);
+
+}
+
+int main(int argc, char **argv)
+{
+#ifdef _WIN32 || _WIN64
+	_setmode(_fileno(stdout), O_BINARY);
+	_setmode(_fileno(stdin), O_BINARY);	
+#endif
+
+	int opt;
+
+	//file adress
+	char *input_name_1 = NULL;
+	char *input_name_2 = NULL;
+	char *input_name_3 = NULL;
+	
+	//input file
+	FILE *input_1;
+	FILE *input_2;
+	FILE *input_3;
+	
+	char standard = 'N';//default ntsc
+	
+	unsigned short *buf = NULL;
+	unsigned int buf_length = 0;
+	
+	int option_index = 0;
+	static struct option long_options[] = {
+		{"i1", 1, 0, 1},
+		{"i2", 1, 0, 2},
+		{"i3", 1, 0, 3},
+		{0, 0, 0, 0}//reminder : letter value are from 65 to 122
+	};
+
+	while ((opt = getopt_long_only(argc, argv, "s:",long_options, &option_index)) != -1) {
+		switch (opt) {
+		case 's':
+			if((strcmp(optarg, "ntsc" ) == 0) || (strcmp(optarg, "NTSC" ) == 0) || (strcmp(optarg, "Ntsc" ) == 0) || (strcmp(optarg, "N" ) == 0) || (strcmp(optarg, "n" ) == 0))
+			{
+				standard = 'N';
+			}
+			else if((strcmp(optarg, "pal" ) == 0) || (strcmp(optarg, "PAL" ) == 0) || (strcmp(optarg, "Pal" ) == 0) || (strcmp(optarg, "P" ) == 0) || (strcmp(optarg, "p" ) == 0))
+			{
+				standard = 'P';
+			}
+			else
+			{
+				standard = 'E';//error
+			}
+			break;
+		case 1:
+			input_name_1 = optarg;
+			break;
+		case 2:
+			input_name_2 = optarg;
+			break;
+		case 3:
+			input_name_3 = optarg;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+	
+	//reading file 1
+	if (strcmp(input_name_1, "-") == 0)// Read samples from stdin
+	{
+		input_1 = stdin;
+	}
+	else
+	{
+		input_1 = fopen(input_name_1, "rb");
+		if (!input_1) {
+			fprintf(stderr, "(1) : Failed to open %s\n", input_1);
+			return -ENOENT;
+		}
+	}
+	
+	//reading file 2
+	if (strcmp(input_name_2, "-") == 0)// Read samples from stdin
+	{
+		input_2 = stdin;
+	}
+	else
+	{
+		input_2 = fopen(input_name_2, "rb");
+		if (!input_2) {
+			fprintf(stderr, "(2) : Failed to open %s\n", input_2);
+			return -ENOENT;
+		}
+	}
+	
+	//reading file 3
+	if (strcmp(input_name_3, "-") == 0)// Read samples from stdin 
+	{
+		input_3 = stdin;
+	}
+	else
+	{
+		input_3 = fopen(input_name_3, "rb");
+		if (!input_3) {
+			fprintf(stderr, "(3) : Failed to open %s\n", input_3);
+			return -ENOENT;
+		}
+	}
+	
+	if(standard == 'N' || standard == 'P')
+	{
+		if(standard == 'N')
+		{
+			buf_length = 2871960;//((910 * 526) * 3)*2
+		}
+		else if(standard == 'P')
+		{
+			buf_length = 4263060;//((1135 * 626) * 3)*2
+		}
+		
+		buf = malloc(buf_length);
+		if(buf == NULL)//check allocation error
+		{
+			free(buf);
+			fprintf(stderr, "malloc error (buf)\n");
+			return -1;
+		}
+	}
+	else//error
+	{
+		fprintf(stderr, "unknow standard error\n");
+		return -1;
+	}
+	
+	while(!feof(input_1) || !feof(input_2) || !feof(input_3))
+	{
+		process_files(input_1,input_2,input_3,buf,buf_length,standard);
+	
+		//write to stdout (pipe)
+		if(isatty(STDOUT_FILENO) == 0)
+		{
+			fwrite(buf, buf_length,1,stdout);
+			fflush(stdout);
+		}
+	}
+
+////ending of the program
+	
+	free(buf);
+	
+	//Close file 1
+	if (input_1 && (input_1 != stdin))
+	{
+		fclose(input_1);
+	}
+	
+	//Close file 2
+	if (input_2 && (input_2 != stdin))
+	{
+		fclose(input_2);
+	}
+	
+	//Close file 3
+	if (input_3 && (input_3 != stdin))
+	{
+		fclose(input_3);
+	}
+
+	return 0;
+}