FreeRDP/cmake/FindFFmpeg.cmake
2018-10-04 09:16:34 +02:00

71 lines
2.6 KiB
CMake

# - Try to find FFmpeg
# Using Pkg-config if available for path
#
# FFMPEG_FOUND - all required ffmpeg components found on system
# FFMPEG_INCLUDE_DIRS - combined include directories
# FFMPEG_LIBRARIES - combined libraries to link
set(REQUIRED_AVCODEC_VERSION 0.8)
set(REQUIRED_AVCODEC_API_VERSION 53.25.0)
include(FindPkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(AVCODEC libavcodec)
pkg_check_modules(AVUTIL libavutil)
pkg_check_modules(AVRESAMPLE libavresample)
pkg_check_modules(SWRESAMPLE libswresample)
endif(PKG_CONFIG_FOUND)
# avcodec
find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h PATHS ${AVCODEC_INCLUDE_DIRS})
find_library(AVCODEC_LIBRARY avcodec PATHS $ {AVCODEC_LIBRARY_DIRS})
# avutil
find_path(AVUTIL_INCLUDE_DIR libavutil/avutil.h PATHS ${AVUTIL_INCLUDE_DIRS})
find_library(AVUTIL_LIBRARY avutil PATHS ${AVUTIL_LIBRARY_DIRS})
# swresample
find_path(SWRESAMPLE_INCLUDE_DIR libswresample/swresample.h PATHS ${SWRESAMPLE_INCLUDE_DIRS})
find_library(SWRESAMPLE_LIBRARY swresample PATHS ${SWRESAMPLE_LIBRARY_DIRS})
# avresample
find_path(AVRESAMPLE_INCLUDE_DIR libavresample/avresample.h PATHS ${AVRESAMPLE_INCLUDE_DIRS})
find_library(AVRESAMPLE_LIBRARY avresample PATHS ${AVRESAMPLE_LIBRARY_DIRS})
if (AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY)
set(AVCODEC_FOUND TRUE)
endif(AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY)
if (AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY)
set(AVUTIL_FOUND TRUE)
endif(AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY)
include(FindPackageHandleStandardArgs)
if (SWRESAMPLE_FOUND)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND SWRESAMPLE_FOUND)
else()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND AVRESAMPLE_FOUND)
endif()
if (AVCODEC_VERSION)
if (${AVCODEC_VERSION} VERSION_LESS ${REQUIRED_AVCODEC_API_VERSION})
message(FATAL_ERROR
"libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required")
endif()
else(AVCODEC_VERSION)
message("Note: To build libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required")
endif(AVCODEC_VERSION)
if (FFMPEG_FOUND)
if (SWRESAMPLE_FOUND)
set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${SWRESAMPLE_INCLUDE_DIR})
set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${SWRESAMPLE_LIBRARY})
elseif (AVRESAMPLE_FOUND)
set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${AVRESAMPLE_INCLUDE_DIR})
set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${AVRESAMPLE_LIBRARY})
endif()
endif(FFMPEG_FOUND)
mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARIES)