Error 1

-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Setting build type to 'Release' as none was specified.
-- Could NOT find FFmpeg_avcodec (missing: FFmpeg_avcodec_LIBRARY FFmpeg_avcodec_INCLUDE_DIR)
-- Could NOT find FFmpeg_avutil (missing: FFmpeg_avutil_LIBRARY FFmpeg_avutil_INCLUDE_DIR)
-- Could NOT find FFmpeg_swresample (missing: FFmpeg_swresample_LIBRARY FFmpeg_swresample_INCLUDE_DIR)
CMake Error at /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
  Could NOT find FFmpeg (missing: FFmpeg_avcodec_FOUND FFmpeg_avutil_FOUND
  FFmpeg_swresample_FOUND FFmpeg_INCLUDE_DIRS FFmpeg_LIBRARIES)
Call Stack (most recent call first):
  /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
  cmake/modules/FindFFmpeg.cmake:123 (find_package_handle_standard_args)
  CMakeLists.txt:120 (find_package)