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openrw/cmake/modules/FindFFmpeg.cmake
2017-10-29 20:40:57 +00:00

76 lines
2.3 KiB
CMake

# - Try to find ffmpeg libraries (libavcodec, libavformat and libavutil)
# Once done this will define
#
# FFMPEG_FOUND - system has ffmpeg or libav
# FFMPEG_INCLUDE_DIR - the ffmpeg include directory
# FFMPEG_LIBRARIES - Link these to use ffmpeg
# FFMPEG_LIBAVCODEC
# FFMPEG_LIBAVFORMAT
# FFMPEG_LIBAVUTIL
#
# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
# Modified for other libraries by Lasse Kärkkäinen <tronic>
# Modified for Hedgewars by Stepik777
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
#
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_FFMPEG_AVCODEC libavcodec QUIET)
pkg_check_modules(_FFMPEG_AVFORMAT libavformat QUIET)
pkg_check_modules(_FFMPEG_AVUTIL libavutil QUIET)
endif (PKG_CONFIG_FOUND)
find_path(FFMPEG_AVCODEC_INCLUDE_DIR
NAMES libavcodec/avcodec.h
PATHS ${_FFMPEG_AVCODEC_INCLUDE_DIRS} /usr/include /usr/local/include /opt/local/include /sw/include
PATH_SUFFIXES ffmpeg libav
)
find_library(FFMPEG_LIBAVCODEC
NAMES avcodec
PATHS ${_FFMPEG_AVCODEC_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
)
find_library(FFMPEG_LIBAVFORMAT
NAMES avformat
PATHS ${_FFMPEG_AVFORMAT_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
)
find_library(FFMPEG_LIBAVUTIL
NAMES avutil
PATHS ${_FFMPEG_AVUTIL_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
)
if (FFMPEG_LIBAVCODEC AND FFMPEG_LIBAVFORMAT)
set(FFMPEG_FOUND TRUE)
endif()
set(FFMPEG_INCLUDE_DIR ${FFMPEG_AVCODEC_INCLUDE_DIR})
set(FFMPEG_LIBRARIES
${FFMPEG_LIBAVCODEC}
${FFMPEG_LIBAVFORMAT}
${FFMPEG_LIBAVUTIL}
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FFmpeg DEFAULT_MSG FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIR)
if(FFMPEG_FOUND)
list(GET FFMPEG_LIBRARIES 0 FFMPEG_FIRST_LIBRARY)
set(FFMPEG_OTHER_LIBRARIES "${FFMPEG_LIBRARIES}")
list(REMOVE_AT FFMPEG_OTHER_LIBRARIES 0)
add_library(ffmpeg::ffmpeg UNKNOWN IMPORTED)
set_target_properties(ffmpeg::ffmpeg PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C;CXX"
IMPORTED_LOCATION "${FFMPEG_FIRST_LIBRARY}"
INTERFACE_LINK_LIBRARIES "${FFMPEG_OTHER_LIBRARIES}"
INTERFACE_INCLUDE_DIRECTORIES "${FFMPEG_INCLUDE_DIR}"
)
endif()