# rules for finding the FFmpeg libraries
find_package(PkgConfig REQUIRED)
pkg_check_modules(PC_SWSCALE libavformat libavcodec libavutil libswscale)
find_path(SWSCALE_INCLUDE_DIR libswscale/swscale.h HINTS ${PC_SWSCALE_INCLUDEDIR} ${PC_SWSCALE_INCLUDE_DIRS})
find_library(SWSCALE_LIBRARY NAMES swscale HINTS ${PC_SWSCALE_LIBDIR} ${PC_SWSCALE_LIBRARY_DIRS})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SWScale DEFAULT_MSG SWSCALE_LIBRARY SWSCALE_INCLUDE_DIR)
mark_as_advanced(SWSCALE_INCLUDE_DIR SWSCALE_LIBRARY)
set(SWSCALE_INCLUDE_DIRS ${SWSCALE_INCLUDE_DIR})
set(SWSCALE_LIBRARIES ${SWSCALE_LIBRARY})
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