# Filename: FindSWScale.cmake
# Author: CFSworks (10 Apr, 2014)
#
# Usage:
#   find_package(SWScale [REQUIRED] [QUIET])
#
# Once done this will define:
#   SWSCALE_FOUND       - system has ffmpeg's libswscale
#   SWSCALE_INCLUDE_DIR - the libswscale include directory
#   SWSCALE_LIBRARY     - the path to the library binary
#

if(NOT SWSCALE_INCLUDE_DIR OR NOT SWSCALE_LIBRARY)
	# Find the libswscale include files
	find_path(SWSCALE_INCLUDE_DIR
    NAMES "libswscale/swscale.h"
		PATHS "/usr/include"
		      "/usr/local/include"
		      "/sw/include"
		      "/opt/include"
		      "/opt/local/include"
		      "/opt/csw/include"
		PATH_SUFFIXES "libav" "ffmpeg"
	)

	# Find the libswscale library
  find_library(SWSCALE_LIBRARY
		NAMES "swscale"
		PATHS "/usr"
		      "/usr/local"
		      "/usr/freeware"
		      "/sw"
		      "/opt"
		      "/opt/csw"
		PATH_SUFFIXES "lib" "lib32" "lib64"
	)

	mark_as_advanced(SWSCALE_INCLUDE_DIR)
  mark_as_advanced(SWSCALE_LIBRARY)
endif()

# Translate library into library directory
if(SWSCALE_LIBRARY)
  unset(SWSCALE_LIBRARY_DIR CACHE)
  get_filename_component(SWSCALE_LIBRARY_DIR "${SWSCALE_LIBRARY}" PATH)
  set(SWSCALE_LIBRARY_DIR "${SWSCALE_LIBRARY_DIR}" CACHE PATH "The path to libffmpeg's library directory.") # Library path
endif()

mark_as_advanced(SWSCALE_LIBRARY_DIR)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SWSCALE DEFAULT_MSG SWSCALE_LIBRARY SWSCALE_INCLUDE_DIR SWSCALE_LIBRARY_DIR)