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# Copyright 2019 Joe Drago. All rights reserved.
# SPDX-License-Identifier: BSD-2-Clause
cmake_minimum_required(VERSION 3.5)
# Specify search path for CMake modules to be loaded by include()
# and find_package()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules")
project(libavif LANGUAGES C CXX VERSION 0.7.2)
# SOVERSION scheme: MAJOR.MINOR.PATCH
# If there was an incompatible interface change:
# Increment MAJOR. Set MINOR and PATCH to 0
# If there was a compatible interface change:
# Increment MINOR. Set PATCH to 0
# If the source code was changed, but there were no interface changes:
# Increment PATCH.
set(LIBRARY_VERSION_MAJOR 4)
set(LIBRARY_VERSION_MINOR 0)
set(LIBRARY_VERSION_PATCH 0)
set(LIBRARY_VERSION "${LIBRARY_VERSION_MAJOR}.${LIBRARY_VERSION_MINOR}.${LIBRARY_VERSION_PATCH}")
set(LIBRARY_SOVERSION ${LIBRARY_VERSION_MAJOR})
option(BUILD_SHARED_LIBS "Build shared avif library" ON)
option(AVIF_CODEC_AOM "Use the AOM codec for encoding (and decoding if no other decoder is present)" OFF)
option(AVIF_CODEC_DAV1D "Use the dav1d codec for decoding (overrides AOM decoding if also enabled)" OFF)
option(AVIF_CODEC_LIBGAV1 "Use the libgav1 codec for decoding (overrides AOM decoding if also enabled)" OFF)
option(AVIF_CODEC_RAV1E "Use the rav1e codec for encoding (overrides AOM encoding if also enabled)" OFF)
option(AVIF_LOCAL_AOM "Build the AOM codec by providing your own copy of the repo in ext/aom (see Local Builds in README)" OFF)
option(AVIF_LOCAL_DAV1D "Build the dav1d codec by providing your own copy of the repo in ext/dav1d (see Local Builds in README)" OFF)
option(AVIF_LOCAL_LIBGAV1 "Build the libgav1 codec by providing your own copy of the repo in ext/libgav1 (see Local Builds in README)" OFF)
option(AVIF_LOCAL_RAV1E "Build the rav1e codec by providing your own copy of the repo in ext/rav1e (see Local Builds in README)" OFF)
# ---------------------------------------------------------------------------------------
# This insanity is for people embedding libavif or making fully static or Windows builds.
# Any proper unix environment should ignore these entire following blocks.
option(AVIF_LOCAL_ZLIBPNG "Build zlib and libpng by providing your own copy inside the ext subdir." OFF)
if(AVIF_LOCAL_ZLIBPNG)
add_subdirectory(ext/zlib)
set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/zlib")
include_directories("${CMAKE_CURRENT_BINARY_DIR}/ext/zlib")
set(CMAKE_DEBUG_POSTFIX "")
# This is the only way I could avoid libpng going crazy if it found awk.exe, seems benign otherwise
set(PREV_ANDROID ${ANDROID})
set(ANDROID TRUE)
set(PNG_BUILD_ZLIB "${CMAKE_CURRENT_SOURCE_DIR}/ext/zlib" CACHE STRING "" FORCE)
set(PNG_SHARED OFF CACHE BOOL "")
set(PNG_TESTS OFF CACHE BOOL "")
add_subdirectory(ext/libpng)
set(PNG_PNG_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/libpng")
set(PNG_LIBRARY png_static)
include_directories("${CMAKE_CURRENT_BINARY_DIR}/ext/libpng")
set(ANDROID ${PREV_ANDROID})
set(ZLIB_LIBRARY zlibstatic)
endif()
option(AVIF_LOCAL_JPEG "Build jpeg by providing your own copy inside the ext subdir." OFF)
if(AVIF_LOCAL_JPEG)
add_subdirectory(ext/libjpeg)
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
set(JPEG_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/libjpeg")
set(JPEG_LIBRARY jpeg)
else()
set(JPEG_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/libjpeg" PARENT_SCOPE)
set(JPEG_LIBRARY jpeg PARENT_SCOPE)
endif()
endif()
# ---------------------------------------------------------------------------------------
# Enable all warnings
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
MESSAGE(STATUS "libavif: Enabling warnings for Clang")
add_definitions(
-Weverything
-Werror
-Wno-bad-function-cast
-Wno-cast-align
-Wno-conversion
-Wno-covered-switch-default
-Wno-disabled-macro-expansion
-Wno-documentation
-Wno-documentation-unknown-command
-Wno-double-promotion
-Wno-float-equal
-Wno-missing-noreturn
-Wno-padded
-Wno-sign-conversion
)
elseif(CMAKE_C_COMPILER_ID MATCHES "GNU")
add_definitions(-std=gnu99) # Enforce C99 for gcc
MESSAGE(STATUS "libavif: Enabling warnings for GCC")
add_definitions(-Werror -Wall -Wextra)
elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
MESSAGE(STATUS "libavif: Enabling warnings for MS CL")
add_definitions(
/Wall # All warnings
/WX # Warnings as errors
/wd4255 # Disable: no function prototype given
/wd4324 # Disable: structure was padded due to alignment specifier
/wd4668 # Disable: is not defined as a preprocessor macro, replacing with '0'
/wd4710 # Disable: function not inlined
/wd4711 # Disable: function selected for inline expansion
/wd4738 # Disable: storing 32-bit float result in memory, possible loss of performance
/wd4820 # Disable: bytes padding added after data member
/wd4996 # Disable: potentially unsafe stdlib methods
/wd5045 # Disable: Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
)
else()
MESSAGE(FATAL_ERROR "libavif: Unknown compiler, bailing out")
endif()
set(AVIF_SRCS
src/alpha.c
src/avif.c
src/colr.c
src/mem.c
src/rawdata.c
src/read.c
src/reformat.c
src/stream.c
src/utils.c
src/write.c
)
set(AVIF_PLATFORM_LIBRARIES)
if(UNIX)
# Find out if we have threading available
set(CMAKE_THREAD_PREFER_PTHREADS ON)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
set(AVIF_PLATFORM_LIBRARIES m Threads::Threads)
endif()
set(AVIF_CODEC_DEFINITIONS)
set(AVIF_CODEC_INCLUDES)
set(AVIF_CODEC_LIBRARIES)
if(AVIF_CODEC_DAV1D)
message(STATUS "libavif: Codec enabled: dav1d (decode)")
set(AVIF_CODEC_DEFINITIONS ${AVIF_CODEC_DEFINITIONS} -DAVIF_CODEC_DAV1D=1)
set(AVIF_SRCS ${AVIF_SRCS}
src/codec_dav1d.c
)
if(AVIF_LOCAL_DAV1D)
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/dav1d/build/src/libdav1d.a")
if(NOT EXISTS "${LIB_FILENAME}")
message(FATAL_ERROR "libavif: ${LIB_FILENAME} is missing, bailing out")
endif()
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES}
"${CMAKE_CURRENT_SOURCE_DIR}/ext/dav1d/build"
"${CMAKE_CURRENT_SOURCE_DIR}/ext/dav1d/build/include"
"${CMAKE_CURRENT_SOURCE_DIR}/ext/dav1d/build/include/dav1d"
"${CMAKE_CURRENT_SOURCE_DIR}/ext/dav1d/include"
)
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${LIB_FILENAME})
else()
# Check to see if dav1d is independently being built by the outer CMake project
if(NOT TARGET dav1d)
find_package(dav1d REQUIRED)
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES} ${DAV1D_INCLUDE_DIR})
endif()
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${DAV1D_LIBRARY})
endif()
if(UNIX AND NOT APPLE)
set(AVIF_PLATFORM_LIBRARIES ${AVIF_PLATFORM_LIBRARIES} ${CMAKE_DL_LIBS}) # for dlsym
endif()
endif()
if(AVIF_CODEC_LIBGAV1)
message(STATUS "libavif: Codec enabled: libgav1 (decode)")
set(AVIF_CODEC_DEFINITIONS ${AVIF_CODEC_DEFINITIONS} -DAVIF_CODEC_LIBGAV1=1)
set(AVIF_SRCS ${AVIF_SRCS}
src/codec_libgav1.c
)
if(AVIF_LOCAL_LIBGAV1)
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/libgav1/build/libgav1${CMAKE_STATIC_LIBRARY_SUFFIX}")
if(NOT EXISTS "${LIB_FILENAME}")
message(FATAL_ERROR "libavif: ${LIB_FILENAME} is missing, bailing out")
endif()
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES}
"${CMAKE_CURRENT_SOURCE_DIR}/ext/libgav1/src"
)
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${LIB_FILENAME})
else()
# Check to see if libgav1 is independently being built by the outer CMake project
if(NOT TARGET libgav1)
find_package(libgav1 REQUIRED)
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES} ${LIBGAV1_INCLUDE_DIR})
endif()
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${LIBGAV1_LIBRARY})
endif()
endif()
if(AVIF_CODEC_RAV1E)
message(STATUS "libavif: Codec enabled: rav1e (encode)")
set(AVIF_CODEC_DEFINITIONS ${AVIF_CODEC_DEFINITIONS} -DAVIF_CODEC_RAV1E=1)
set(AVIF_SRCS ${AVIF_SRCS}
src/codec_rav1e.c
)
if(AVIF_LOCAL_RAV1E)
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/rav1e/target/release/rav1e.lib")
if(NOT EXISTS "${LIB_FILENAME}")
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/rav1e/target/release/librav1e.a")
if(NOT EXISTS "${LIB_FILENAME}")
message(FATAL_ERROR "libavif: compiled rav1e library is missing (in ext/rav1e/target/release), bailing out")
endif()
endif()
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES}
"${CMAKE_CURRENT_SOURCE_DIR}/ext/rav1e/target/release/include"
)
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${LIB_FILENAME})
else()
# Check to see if rav1e is independently being built by the outer CMake project
if(NOT TARGET rav1e)
find_package(rav1e REQUIRED)
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES} ${RAV1E_INCLUDE_DIR})
endif()
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${RAV1E_LIBRARY})
endif()
# Unfortunately, rav1e requires a few more libraries
if(WIN32)
set(AVIF_PLATFORM_LIBRARIES ${AVIF_PLATFORM_LIBRARIES} ws2_32.lib userenv.lib)
elseif(UNIX AND NOT APPLE)
set(AVIF_PLATFORM_LIBRARIES ${AVIF_PLATFORM_LIBRARIES} ${CMAKE_DL_LIBS}) # for backtrace
endif()
endif()
if(AVIF_CODEC_AOM)
message(STATUS "libavif: Codec enabled: aom (encode/decode)")
set(AVIF_CODEC_DEFINITIONS ${AVIF_CODEC_DEFINITIONS} -DAVIF_CODEC_AOM=1)
set(AVIF_SRCS ${AVIF_SRCS}
src/codec_aom.c
)
if(AVIF_LOCAL_AOM)
if(WIN32)
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.libavif/aom.lib")
else()
set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.libavif/libaom.a")
endif()
if(NOT EXISTS "${LIB_FILENAME}")
message(FATAL_ERROR "libavif: ${LIB_FILENAME} is missing, bailing out")
endif()
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES}
"${CMAKE_CURRENT_SOURCE_DIR}/ext/aom"
"${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.avif"
)
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${LIB_FILENAME})
message(STATUS "LIBAOM_INCLUDE_PATH: ${CMAKE_CURRENT_SOURCE_DIR}/ext/aom")
else()
# Check to see if aom is independently being built by the outer CMake project
if(NOT TARGET aom)
find_package(aom REQUIRED)
set(AVIF_CODEC_INCLUDES ${AVIF_CODEC_INCLUDES} ${AOM_INCLUDE_DIR})
endif()
set(AVIF_CODEC_LIBRARIES ${AVIF_CODEC_LIBRARIES} ${AOM_LIBRARY})
endif()
endif()
if(NOT AVIF_CODEC_AOM AND NOT AVIF_CODEC_DAV1D AND NOT AVIF_CODEC_LIBGAV1)
message(FATAL_ERROR "libavif: No decoding library is enabled, bailing out.")
endif()
add_library(avif ${AVIF_SRCS})
set_target_properties(avif
PROPERTIES
VERSION ${LIBRARY_VERSION}
SOVERSION ${LIBRARY_SOVERSION})
target_compile_definitions(avif
PRIVATE ${AVIF_CODEC_DEFINITIONS})
target_link_libraries(avif
PRIVATE ${AVIF_CODEC_LIBRARIES} ${AVIF_PLATFORM_LIBRARIES})
target_include_directories(avif
PUBLIC $<BUILD_INTERFACE:${libavif_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
PRIVATE ${AVIF_CODEC_INCLUDES})
option(AVIF_BUILD_EXAMPLES "Build avif Examples." OFF)
if(AVIF_BUILD_EXAMPLES)
add_executable(avif_example1 examples/avif_example1.c)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(avif_example1 PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(avif_example1 avif ${AVIF_PLATFORM_LIBRARIES})
endif()
if(CMAKE_SKIP_INSTALL_RULES)
set(SKIP_INSTALL_ALL TRUE)
endif()
if(NOT SKIP_INSTALL_ALL)
include(GNUInstallDirs)
endif()
option(AVIF_BUILD_APPS "Build avif apps." OFF)
if(AVIF_BUILD_APPS)
find_package(ZLIB REQUIRED)
find_package(PNG REQUIRED)
find_package(JPEG REQUIRED)
add_executable(avifenc
apps/avifenc.c
apps/shared/avifjpeg.c
apps/shared/iccjpeg.c
apps/shared/avifpng.c
apps/shared/avifutil.c
apps/shared/y4m.c
)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(avifenc PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(avifenc avif ${AVIF_PLATFORM_LIBRARIES} ${ZLIB_LIBRARY} ${PNG_LIBRARY} ${JPEG_LIBRARY})
target_include_directories(avifenc PRIVATE apps/shared ${ZLIB_INCLUDE_DIR} ${PNG_PNG_INCLUDE_DIR} ${JPEG_INCLUDE_DIR})
add_executable(avifdec
apps/avifdec.c
apps/shared/avifjpeg.c
apps/shared/iccjpeg.c
apps/shared/avifpng.c
apps/shared/avifutil.c
apps/shared/y4m.c
)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(avifdec PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(avifdec avif ${AVIF_PLATFORM_LIBRARIES} ${ZLIB_LIBRARY} ${PNG_LIBRARY} ${JPEG_LIBRARY})
target_include_directories(avifdec PRIVATE apps/shared ${ZLIB_INCLUDE_DIR} ${PNG_PNG_INCLUDE_DIR} ${JPEG_INCLUDE_DIR})
add_executable(avifdump
apps/avifdump.c
apps/shared/avifutil.c
)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(avifdump PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(avifdump avif ${AVIF_PLATFORM_LIBRARIES})
target_include_directories(avifdump PRIVATE apps/shared)
if(NOT SKIP_INSTALL_APPS AND NOT SKIP_INSTALL_ALL)
install(TARGETS avifenc avifdec
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
)
endif()
endif()
option(AVIF_BUILD_TESTS "Build avif tests." OFF)
if(AVIF_BUILD_TESTS)
add_executable(aviftest
apps/shared/y4m.c
tests/aviftest.c
tests/cJSON.c
tests/compare.c
tests/testcase.c
)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(aviftest PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(aviftest avif ${AVIF_PLATFORM_LIBRARIES})
target_include_directories(aviftest PRIVATE apps/shared)
add_executable(avifyuv
tests/avifyuv.c
)
if(AVIF_LOCAL_LIBGAV1)
set_target_properties(avifyuv PROPERTIES LINKER_LANGUAGE "CXX")
endif()
target_link_libraries(avifyuv avif ${AVIF_PLATFORM_LIBRARIES})
add_custom_target(avif_test_all
COMMAND $<TARGET_FILE:aviftest> ${CMAKE_CURRENT_SOURCE_DIR}/tests/data
DEPENDS aviftest
)
endif()
configure_file(libavif.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/libavif.pc @ONLY)
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
install(TARGETS avif
EXPORT ${PROJECT_NAME}-config
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
)
if (BUILD_SHARED_LIBS)
install(EXPORT ${PROJECT_NAME}-config
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
include(CMakePackageConfigHelpers)
write_basic_package_version_file(${PROJECT_NAME}-config-version.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
endif()
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libavif.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
install(FILES include/avif/avif.h
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/avif"
)
endif()
# ---------------------------------------------------------------------------------------
# Win32 (Visual Studio) fixups
macro(avif_set_folder_safe target folder)
if(TARGET ${target})
set_target_properties(${target} PROPERTIES FOLDER ${folder})
endif()
endmacro()
macro(avif_exclude_safe target)
if(TARGET ${target})
set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD True)
endif()
endmacro()
if(WIN32)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
avif_set_folder_safe(avif "ext/avif")
if(AVIF_LOCAL_ZLIBPNG)
avif_set_folder_safe(example "ext/zlibpng")
avif_set_folder_safe(genfiles "ext/zlibpng")
avif_set_folder_safe(minigzip "ext/zlibpng")
avif_set_folder_safe(png_static "ext/zlibpng")
avif_set_folder_safe(zlib "ext/zlibpng")
avif_set_folder_safe(zlibstatic "ext/zlibpng")
# Don't bother building these targets
avif_exclude_safe(example)
avif_exclude_safe(genfiles)
avif_exclude_safe(minigzip)
endif()
if(AVIF_LOCAL_JPEG)
avif_set_folder_safe(jpeg "ext/libjpeg")
endif()
endif()
# ---------------------------------------------------------------------------------------