# Find Vlc
#
# This module defines
#  Vlc_FOUND
#  Vlc_INCLUDE_DIRS
#  Vlc_LIBRARIES
#
# Copyright (c) 2012 I-maginer
# 
# This program 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 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA, or go to
# http://www.gnu.org/copyleft/lesser.txt
#

# On a new cmake run, we do not need to be verbose
IF(Vlc_INCLUDE_DIR AND Vlc_LIBRARY)
	SET(Vlc_FIND_QUIETLY TRUE)
ENDIF()

# If VLC_ROOT was defined in the environment, use it. Else, search in registry for install path.
IF(NOT Vlc_ROOT)
  IF("$ENV{VLC_ROOT}" STREQUAL "")
    SET(Vlc_ROOT [HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\VideoLAN\\VLC;InstallDir]
                 [HKEY_LOCAL_MACHINE\\SOFTWARE\\VideoLAN\\VLC;InstallDir])
  ELSE()
    SET(Vlc_ROOT $ENV{VLC_ROOT})
  ENDIF()
ENDIF()

if(Vlc_ROOT)
  SET(Vlc_INCLUDE_SEARCH_DIRS
    ${Vlc_INCLUDE_SEARCH_DIRS}
    ${Vlc_ROOT}/sdk/include
  )
  SET(Vlc_LIBRARY_SEARCH_DIRS 
    ${Vlc_LIBRARY_SEARCH_DIRS}
    ${Vlc_ROOT}/sdk/lib
  )
endif()

# log message
IF (NOT Vlc_FIND_QUIETLY)
	MESSAGE(STATUS "Checking for Vlc library")
ENDIF()

# Search for header files
FIND_PATH(Vlc_INCLUDE_DIR vlc/libvlc.h
  PATHS ${Vlc_INCLUDE_SEARCH_DIRS})

# Search for libraries files
FIND_LIBRARY(Vlc_LIBRARY libvlc
  PATHS ${Vlc_LIBRARY_SEARCH_DIRS})

# Configure libraries
SET(Vlc_INCLUDE_DIRS ${Vlc_INCLUDE_DIR} CACHE STRING "Directory containing Vlc header files")
SET(Vlc_LIBRARIES ${Vlc_LIBRARY} CACHE STRING "Vlc libraries files")

# Hide those variables in GUI
SET(Vlc_INCLUDE_DIR ${Vlc_INCLUDE_DIR} CACHE INTERNAL "")
SET(Vlc_LIBRARY ${Vlc_LIBRARY} CACHE INTERNAL "")

IF(Vlc_INCLUDE_DIR AND Vlc_LIBRARY)
	SET(Vlc_FOUND TRUE)
ENDIF()

# log find result
IF(Vlc_FOUND)
	IF(NOT Vlc_FIND_QUIETLY)
		MESSAGE(STATUS "  libraries: ${Vlc_LIBRARIES}")
		MESSAGE(STATUS "  includes: ${Vlc_INCLUDE_DIRS}")
	ENDIF()
ELSE(Vlc_FOUND)
	IF(NOT Vlc_LIBRARIES)
		MESSAGE(STATUS, "Vlc library could not be found.")
	ENDIF()
	IF(NOT Vlc_INCLUDE_DIRS)
		MESSAGE(STATUS "Vlc include files could not be found.")
	ENDIF()
ENDIF(Vlc_FOUND)