130 lines
3.7 KiB
CMake
130 lines
3.7 KiB
CMake
find_package(PkgConfig)
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macro(_internal_message msg)
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if(NOT ${_is_quiet})
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message(STATUS "${msg}")
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endif()
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endmacro()
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macro(check_lib var pc lib)
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set(_is_required 0)
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set(_is_quiet 0)
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set(_arg_list ${ARGN})
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foreach(_arg ${ARGN})
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if(_arg STREQUAL "REQUIRED")
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list(REMOVE_ITEM _arg_list "REQUIRED")
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set(_is_required 1)
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endif()
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if(_arg STREQUAL "QUIET")
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list(REMOVE_ITEM _arg_list "QUIET")
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set(_is_quiet 1)
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endif()
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endforeach()
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if(PKG_CONFIG_FOUND AND NOT ${var}_FOUND)
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pkg_search_module(${var} QUIET ${pc})
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endif()
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if(${var}_FOUND)
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if(${var}_INCLUDE_DIRS)
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include_directories(${${var}_INCLUDE_DIRS})
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endif()
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# Make sure include directories for headers found using find_path below
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# are re-added when reconfiguring
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if(${var}_INCLUDE)
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include_directories(${${var}_INCLUDE})
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endif()
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_internal_message("${lib} found")
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else()
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find_library(${var} ${lib})
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if(_arg_list)
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find_path(${var}_INCLUDE ${_arg_list})
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else()
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set(${var}_INCLUDE FALSE)
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endif()
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if(${var} AND ${var}_INCLUDE)
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include_directories(${${var}_INCLUDE})
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_internal_message("${lib} found")
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set(${var}_FOUND 1 CACHE INTERNAL "")
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else()
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if(_is_required)
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message(FATAL_ERROR "${lib} is required but not found")
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else()
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_internal_message("${lib} not found")
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endif()
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endif()
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endif()
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endmacro()
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macro(check_libav)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
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libswscale>=2.1.1 libavutil>=52.3.0)
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endif()
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if(NOT LIBAV_FOUND)
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if(WIN32)
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add_library(avcodec STATIC IMPORTED)
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set_target_properties(avcodec PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avcodec.lib
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)
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add_library(avformat STATIC IMPORTED)
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set_target_properties(avformat PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avformat.lib
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)
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add_library(avutil STATIC IMPORTED)
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set_target_properties(avutil PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avutil.lib
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)
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add_library(swresample STATIC IMPORTED)
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set_target_properties(swresample PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swresample.lib
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)
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add_library(swscale STATIC IMPORTED)
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set_target_properties(swscale PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swscale.lib
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)
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set(LIBAV_FOUND ON)
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set(LIBAV_LIBRARIES avcodec avformat avutil swresample swscale)
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else()
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# Attempt to find it through static means
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set(LIBAV_LDFLAGS avformat avcodec swscale avutil)
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set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS})
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CHECK_CXX_SOURCE_COMPILES(
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"extern \"C\" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libavutil/mathematics.h>
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#include <libswscale/swscale.h>
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}
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int main(int argc, char **argv)
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{
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av_register_all();
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return 0;
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}"
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LIBAV_FOUND)
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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endif()
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if(LIBAV_FOUND)
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message(STATUS "libav/ffmpeg found, enabling AVI frame dumps")
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add_definitions(-DHAVE_LIBAV)
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if(LIBAV_INCLUDE_DIRS)
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include_directories(${LIBAV_INCLUDE_DIRS})
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endif()
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else()
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message(STATUS "libav/ffmpeg not found, disabling AVI frame dumps")
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endif()
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endmacro()
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