diff --git a/.appveyor.yml b/.appveyor.yml
index 44fdc1a..a824f5b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -31,7 +31,7 @@ build_script:
   - mv C:\Projects\calyp C:\Projects\calyp-deployment\cmake-helper\
   - mkdir C:\Projects\calyp-build
   - cd C:\Projects\calyp-build
-  - cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DUSE_DYNLOAD=OFF -DOpenCV_DIR="C:/Tools/opencv/build" -DOpenCV_DLL_DIR="C:/Tools/opencv/build/x64/vc15/bin" -DOpenCV_INSTALL_MODULES="world" -DQT_DIR="C:\Qt\latest\msvc2017_64" -DQt5_DIR="C:\Qt\latest\msvc2017_64\lib\cmake\Qt5" -DUSE_QTDBUS=OFF -DAVFORMAT_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avformat.lib -DAVFORMAT_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVCODEC_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avcodec.lib -DAVCODEC_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVUTIL_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avutil.lib -DAVUTIL_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DSWSCALE_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/swscale.lib -DSWSCALE_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVDEVICE_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avdevice.lib -DAVDEVICE_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DPOSTPROC_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/postproc.lib -DPOSTPROC_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DFFMPEG_DIR=C:\Projects\ffmpeg_libraries -G "Visual Studio 15 2017 Win64" C:\Projects\calyp-deployment\cmake-helper
+  - cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DUSE_DYNLOAD=OFF -DOpenCV_DIR="C:/Tools/opencv/build" -DOpenCV_DLL_DIR="C:/Tools/opencv/build/x64/vc15/bin" -DOpenCV_INSTALL_MODULES="world" -DQT_DIR="C:\Qt\latest\msvc2017_64" -DQt5_DIR="C:\Qt\latest\msvc2017_64\lib\cmake\Qt5" -DUSE_QTDBUS=OFF -DAVFORMAT_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avformat.lib -DAVFORMAT_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVCODEC_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avcodec.lib -DAVCODEC_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVUTIL_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avutil.lib -DAVUTIL_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DSWSCALE_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/swscale.lib -DSWSCALE_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DAVDEVICE_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/avdevice.lib -DAVDEVICE_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DPOSTPROC_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/postproc.lib -DPOSTPROC_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -DFFMPEG_DIR=C:\Projects\ffmpeg_libraries -DSWRESAMPLE_LIBRARIES=C:/Projects/ffmpeg_libraries/lib/swresample.lib -DSWRESAMPLE_INCLUDE_DIRS=C:/Projects/ffmpeg_libraries/include -G "Visual Studio 15 2017 Win64" C:\Projects\calyp-deployment\cmake-helper
   - cmake --build . --target ALL_BUILD -- /p:Configuration=Release > log_build
   - cmake --build . --target INSTALL -- /p:Configuration=Release > log_install
   - cmake --build . --target PACKAGE -- /p:Configuration=Release > log_pkg
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7b9a9d..98627c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,10 +147,6 @@ SET_PACKAGE_PROPERTIES(
 OPTION(USE_FFMPEG "Add FFMPEG support" ON)
 IF(USE_FFMPEG)
   FIND_PACKAGE(FFmpeg COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE)
-  IF("${AVCODEC_VERSION}" VERSION_LESS "56.0.0")
-    SET(FFMPEG_FOUND FALSE)
-    SET(FFmpeg_FOUND FALSE)
-  ENDIF()
   SET(USE_FFMPEG ${FFMPEG_FOUND})
 ENDIF()
 SET_PACKAGE_PROPERTIES(
diff --git a/cmake/Win32.cmake b/cmake/Win32.cmake
index 11e43e9..de0fc0c 100644
--- a/cmake/Win32.cmake
+++ b/cmake/Win32.cmake
@@ -77,9 +77,5 @@ IF(USE_FFMPEG)
       "FFmpeg-Dir"
       CACHE PATH "Where to find FFmpeg Lib on Windows"
   )
-  INSTALL(FILES ${FFMPEG_DIR}/bin/avcodec-${AVCODEC_VERSION}.dll DESTINATION bin)
-  INSTALL(FILES ${FFMPEG_DIR}/bin/avformat-${AVFORMAT_VERSION}.dll DESTINATION bin)
-  INSTALL(FILES ${FFMPEG_DIR}/bin/avutil-${AVUTIL_VERSION}.dll DESTINATION bin)
-  INSTALL(FILES ${FFMPEG_DIR}/bin/swscale-${SWSCALE_VERSION}.dll DESTINATION bin)
-  INSTALL(FILES ${FFMPEG_DIR}/bin/swresample-${SWRESAMPLE_VERSION}.dll DESTINATION bin)
+  INSTALL(DIRECTORY ${FFMPEG_DIR}/bin/ DESTINATION bin)
 ENDIF()