obs-studio/libobs/cmake/legacy.cmake

if(POLICY CMP0090)
  cmake_policy(SET CMP0090 NEW)
endif()

project(libobs)

add_library(libobs-version STATIC EXCLUDE_FROM_ALL)
add_library(OBS::libobs-version ALIAS libobs-version)
configure_file(obsversion.c.in obsversion.c @ONLY)
target_sources(libobs-version PRIVATE obsversion.c obsversion.h)
target_include_directories(libobs-version PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
set_property(TARGET libobs-version PROPERTY FOLDER core)

find_package(Jansson 2.5 REQUIRED)
find_package(Threads REQUIRED)
find_package(FFmpeg REQUIRED COMPONENTS avformat avutil swscale swresample OPTIONAL_COMPONENTS avcodec)
find_package(ZLIB REQUIRED)
find_package(Uthash REQUIRED)

add_library(libobs SHARED)
add_library(OBS::libobs ALIAS libobs)

target_sources(
  libobs
  PRIVATE
    obs.c
    obs.h
    obs.hpp
    obs-audio.c
    obs-audio-controls.c
    obs-audio-controls.h
    obs-av1.c
    obs-av1.h
    obs-avc.c
    obs-avc.h
    obs-data.c
    obs-data.h
    obs-defs.h
    obs-display.c
    obs-encoder.c
    obs-encoder.h
    obs-ffmpeg-compat.h
    obs-hotkey.c
    obs-hotkey.h
    obs-hotkeys.h
    obs-missing-files.c
    obs-missing-files.h
    obs-nal.c
    obs-nal.h
    obs-hotkey-name-map.c
    obs-interaction.h
    obs-internal.h
    obs-module.c
    obs-module.h
    obs-output.c
    obs-output.h
    obs-output-delay.c
    obs-properties.c
    obs-properties.h
    obs-service.c
    obs-service.h
    obs-scene.c
    obs-scene.h
    obs-source.c
    obs-source.h
    obs-source-deinterlace.c
    obs-source-transition.c
    obs-video.c
    obs-video-gpu-encode.c
    obs-view.c
    obs-config.h
)

target_sources(
  libobs
  PRIVATE
    util/simde/check.h
    util/simde/debug-trap.h
    util/simde/hedley.h
    util/simde/simde-align.h
    util/simde/simde-arch.h
    util/simde/simde-common.h
    util/simde/simde-constify.h
    util/simde/simde-detect-clang.h
    util/simde/simde-diagnostic.h
    util/simde/simde-features.h
    util/simde/simde-math.h
    util/simde/x86/mmx.h
    util/simde/x86/sse2.h
    util/simde/x86/sse.h
)

target_sources(
  libobs
  PRIVATE
    callback/calldata.c
    callback/calldata.h
    callback/decl.c
    callback/decl.h
    callback/signal.c
    callback/signal.h
    callback/proc.c
    callback/proc.h
)

target_sources(
  libobs
  PRIVATE
    graphics/graphics.c
    graphics/graphics.h
    graphics/graphics-imports.c
    graphics/graphics-internal.h
    graphics/axisang.c
    graphics/axisang.h
    graphics/bounds.c
    graphics/bounds.h
    graphics/device-exports.h
    graphics/effect.c
    graphics/effect.h
    graphics/effect-parser.c
    graphics/effect-parser.h
    graphics/half.h
    graphics/image-file.c
    graphics/image-file.h
    graphics/math-extra.c
    graphics/math-extra.h
    graphics/matrix3.c
    graphics/matrix3.h
    graphics/matrix4.c
    graphics/matrix4.h
    graphics/plane.c
    graphics/plane.h
    graphics/quat.c
    graphics/quat.h
    graphics/shader-parser.c
    graphics/shader-parser.h
    graphics/srgb.h
    graphics/texture-render.c
    graphics/vec2.c
    graphics/vec2.h
    graphics/vec3.c
    graphics/vec3.h
    graphics/vec4.c
    graphics/vec4.h
    graphics/libnsgif/libnsgif.c
    graphics/libnsgif/libnsgif.h
    graphics/graphics-ffmpeg.c
)

target_sources(
  libobs
  PRIVATE
    media-io/audio-io.c
    media-io/audio-io.h
    media-io/audio-math.h
    media-io/audio-resampler.h
    media-io/audio-resampler-ffmpeg.c
    media-io/format-conversion.c
    media-io/format-conversion.h
    media-io/frame-rate.h
    media-io/media-remux.c
    media-io/media-remux.h
    media-io/video-fourcc.c
    media-io/video-frame.c
    media-io/video-frame.h
    media-io/video-io.c
    media-io/video-io.h
    media-io/media-io-defs.h
    media-io/video-matrices.c
    media-io/video-scaler-ffmpeg.c
    media-io/video-scaler.h
)

target_sources(
  libobs
  PRIVATE util/array-serializer.c
          util/array-serializer.h
          util/base.c
          util/base.h
          util/bitstream.c
          util/bitstream.h
          util/bmem.c
          util/bmem.h
          util/buffered-file-serializer.c
          util/buffered-file-serializer.h
          util/c99defs.h
          util/cf-lexer.c
          util/cf-lexer.h
          util/cf-parser.c
          util/cf-parser.h
          util/circlebuf.h
          util/config-file.c
          util/config-file.h
          util/crc32.c
          util/crc32.h
          util/deque.h
          util/dstr.c
          util/dstr.h
          util/file-serializer.c
          util/file-serializer.h
          util/lexer.c
          util/lexer.h
          util/platform.c
          util/platform.h
          util/profiler.c
          util/profiler.h
          util/profiler.hpp
          util/pipe.c
          util/pipe.h
          util/serializer.h
          util/sse-intrin.h
          util/task.c
          util/task.h
          util/text-lookup.c
          util/text-lookup.h
          util/threading.h
          util/utf8.c
          util/utf8.h
          util/uthash.h
          util/util_uint64.h
          util/util_uint128.h
          util/curl/curl-helper.h
          util/darray.h
          util/util.hpp
          util/source-profiler.c
          util/source-profiler.h)

if(ENABLE_HEVC)
  target_sources(libobs PRIVATE obs-hevc.c obs-hevc.h)
endif()

# Contents of "data" dir already automatically added to bundles on macOS
if(NOT OS_MACOS)
  target_sources(
    libobs
    PRIVATE
      data/area.effect
      data/bicubic_scale.effect
      data/bilinear_lowres_scale.effect
      data/color.effect
      data/default.effect
      data/default_rect.effect
      data/deinterlace_base.effect
      data/deinterlace_blend.effect
      data/deinterlace_blend_2x.effect
      data/deinterlace_discard.effect
      data/deinterlace_discard_2x.effect
      data/deinterlace_linear.effect
      data/deinterlace_linear_2x.effect
      data/deinterlace_yadif.effect
      data/deinterlace_yadif_2x.effect
      data/format_conversion.effect
      data/lanczos_scale.effect
      data/opaque.effect
      data/premultiplied_alpha.effect
      data/repeat.effect
      data/solid.effect
  )
endif()

target_link_libraries(
  libobs
  PRIVATE
    FFmpeg::avcodec
    FFmpeg::avformat
    FFmpeg::avutil
    FFmpeg::swscale
    FFmpeg::swresample
    Jansson::Jansson
    OBS::caption
    OBS::libobs-version
    Uthash::Uthash
    ZLIB::ZLIB
  PUBLIC Threads::Threads
)

set_target_properties(
  libobs
  PROPERTIES OUTPUT_NAME obs FOLDER "core" VERSION "${OBS_VERSION_MAJOR}" SOVERSION "0"
)

target_compile_definitions(libobs PUBLIC ${ARCH_SIMD_DEFINES} PRIVATE IS_LIBOBS)

target_compile_features(libobs PRIVATE cxx_alias_templates)

target_compile_options(libobs PUBLIC ${ARCH_SIMD_FLAGS})

target_include_directories(
  libobs
  PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/config>
)

if(OS_WINDOWS)
  set(MODULE_DESCRIPTION "OBS Library")
  set(UI_VERSION "${OBS_VERSION_CANONICAL}")

  configure_file(${CMAKE_SOURCE_DIR}/cmake/bundle/windows/obs-module.rc.in libobs.rc)

  target_sources(
    libobs
    PRIVATE
      obs-win-crash-handler.c
      obs-windows.c
      util/threading-windows.c
      util/threading-windows.h
      util/pipe-windows.c
      util/platform-windows.c
      util/windows/device-enum.c
      util/windows/device-enum.h
      util/windows/obfuscate.c
      util/windows/obfuscate.h
      util/windows/win-registry.h
      util/windows/win-version.h
      util/windows/window-helpers.c
      util/windows/window-helpers.h
      util/windows/ComPtr.hpp
      util/windows/CoTaskMemPtr.hpp
      util/windows/HRError.hpp
      util/windows/WinHandle.hpp
      libobs.rc
      audio-monitoring/win32/wasapi-output.c
      audio-monitoring/win32/wasapi-enum-devices.c
      audio-monitoring/win32/wasapi-output.h
      audio-monitoring/win32/wasapi-monitoring-available.c
  )

  target_compile_definitions(libobs PRIVATE UNICODE _UNICODE _CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_WARNINGS)
  set_source_files_properties(
    obs-win-crash-handler.c
    PROPERTIES COMPILE_DEFINITIONS OBS_VERSION="${OBS_VERSION_CANONICAL}"
  )
  target_link_libraries(
    libobs
    PRIVATE dxgi Avrt Dwmapi winmm Rpcrt4
  )

  if(MSVC)
    target_link_libraries(libobs PUBLIC OBS::w32-pthreads)

    target_compile_options(libobs PRIVATE "$<$<COMPILE_LANGUAGE:C>:/EHc->" "$<$<COMPILE_LANGUAGE:CXX>:/EHc->")

    target_link_options(libobs PRIVATE "LINKER:/IGNORE:4098" "LINKER:/SAFESEH:NO")

    add_library(obs-obfuscate INTERFACE)
    add_library(OBS::obfuscate ALIAS obs-obfuscate)
    target_sources(obs-obfuscate INTERFACE util/windows/obfuscate.c util/windows/obfuscate.h)
    target_include_directories(obs-obfuscate INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")

    add_library(obs-comutils INTERFACE)
    add_library(OBS::COMutils ALIAS obs-comutils)
    target_sources(obs-comutils INTERFACE util/windows/ComPtr.hpp)
    target_include_directories(obs-comutils INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")

    add_library(obs-winhandle INTERFACE)
    add_library(OBS::winhandle ALIAS obs-winhandle)
    target_sources(obs-winhandle INTERFACE util/windows/WinHandle.hpp)
    target_include_directories(obs-winhandle INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")
  endif()
elseif(OS_MACOS)
  find_library(COCOA Cocoa)
  find_library(COREAUDIO CoreAudio)
  find_library(AUDIOTOOLBOX AudioToolbox)
  find_library(AUDIOUNIT AudioUnit)
  find_library(APPKIT AppKit)
  find_library(IOKIT IOKit)
  find_library(CARBON Carbon)

  mark_as_advanced(
    COCOA
    COREAUDIO
    AUDIOTOOLBOX
    AUDIOUNIT
    APPKIT
    IOKIT
    CARBON
  )

  target_link_libraries(
    libobs
    PRIVATE ${COCOA} ${COREAUDIO} ${AUDIOTOOLBOX} ${AUDIOUNIT} ${APPKIT} ${IOKIT} ${CARBON}
  )

  target_sources(
    libobs
    PRIVATE
      obs-cocoa.m
      util/pipe-posix.c
      util/platform-cocoa.m
      util/platform-nix.c
      util/threading-posix.c
      util/threading-posix.h
      util/apple/cfstring-utils.h
      audio-monitoring/osx/coreaudio-enum-devices.c
      audio-monitoring/osx/coreaudio-output.c
      audio-monitoring/osx/coreaudio-monitoring-available.c
      audio-monitoring/osx/mac-helpers.h
  )

  set_source_files_properties(util/platform-cocoa.m obs-cocoa.m PROPERTIES COMPILE_FLAGS -fobjc-arc)

  set_target_properties(libobs PROPERTIES SOVERSION "1" BUILD_RPATH "$<TARGET_FILE_DIR:OBS::libobs-opengl>")
elseif(OS_POSIX)
  if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
    target_compile_definitions(libobs PRIVATE ENABLE_DARRAY_TYPE_TEST)
  endif()

  find_package(LibUUID REQUIRED)
  find_package(X11 REQUIRED)
  find_package(XCB COMPONENTS XCB OPTIONAL_COMPONENTS XINPUT QUIET)
  find_package(X11_XCB REQUIRED)

  target_sources(
    libobs
    PRIVATE
      obs-nix.c
      obs-nix-platform.c
      obs-nix-platform.h
      obs-nix-x11.c
      util/threading-posix.c
      util/threading-posix.h
      util/pipe-posix.c
      util/platform-nix.c
  )

  target_link_libraries(libobs PRIVATE X11::X11_xcb XCB::XCB LibUUID::LibUUID)

  if(USE_XDG)
    target_compile_definitions(libobs PRIVATE USE_XDG)
  endif()

  if(ENABLE_PULSEAUDIO)
    find_package(PulseAudio REQUIRED)
    obs_status(STATUS "-> PulseAudio found - audio monitoring enabled")
    target_sources(
      libobs
      PRIVATE
        audio-monitoring/pulse/pulseaudio-output.c
        audio-monitoring/pulse/pulseaudio-enum-devices.c
        audio-monitoring/pulse/pulseaudio-wrapper.c
        audio-monitoring/pulse/pulseaudio-wrapper.h
        audio-monitoring/pulse/pulseaudio-monitoring-available.c
    )

    target_link_libraries(libobs PRIVATE ${PULSEAUDIO_LIBRARY})
  else()
    obs_status(WARNING "-> No audio backend found - audio monitoring disabled")
    target_sources(libobs PRIVATE audio-monitoring/null/null-audio-monitoring.c)
  endif()

  find_package(Gio)
  if(TARGET GIO::GIO)
    target_link_libraries(libobs PRIVATE GIO::GIO)

    target_sources(libobs PRIVATE util/platform-nix-dbus.c util/platform-nix-portal.c)
  endif()

  if(TARGET XCB::XINPUT)
    target_link_libraries(libobs PRIVATE XCB::XINPUT)
  endif()

  if(ENABLE_WAYLAND)
    find_package(Wayland COMPONENTS Client REQUIRED)
    find_package(Xkbcommon REQUIRED)

    target_link_libraries(libobs PRIVATE Wayland::Client Xkbcommon::Xkbcommon)

    target_sources(libobs PRIVATE obs-nix-wayland.c)
  endif()

  if(OS_LINUX)
    target_link_libraries(obsglad PRIVATE ${CMAKE_DL_LIBS})
  endif()

  if(OS_FREEBSD)
    find_package(Sysinfo REQUIRED)
    target_link_libraries(libobs PRIVATE Sysinfo::Sysinfo)
  endif()

  set_target_properties(libobs PROPERTIES BUILD_RPATH "$<TARGET_FILE_DIR:OBS::libobs-opengl>")
endif()

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/obsconfig.h.in ${CMAKE_BINARY_DIR}/config/obsconfig.h)

target_compile_definitions(
  libobs
  PUBLIC HAVE_OBSCONFIG_H
  PRIVATE "OBS_INSTALL_PREFIX=\"${OBS_INSTALL_PREFIX}\"" "$<$<BOOL:${LINUX_PORTABLE}>:LINUX_PORTABLE>"
)

if(ENABLE_FFMPEG_MUX_DEBUG)
  target_compile_definitions(libobs PRIVATE SHOW_SUBPROCESSES)
endif()

get_target_property(_OBS_SOURCES libobs SOURCES)
set(_OBS_HEADERS ${_OBS_SOURCES})
set(_OBS_FILTERS ${_OBS_SOURCES})
list(FILTER _OBS_HEADERS INCLUDE REGEX ".*\\.h(pp)?")
list(FILTER _OBS_SOURCES INCLUDE REGEX ".*\\.(m|c[cp]?p?)")
list(FILTER _OBS_FILTERS INCLUDE REGEX ".*\\.effect")

source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" PREFIX "Source Files" FILES ${_OBS_SOURCES})
source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" PREFIX "Header Files" FILES ${_OBS_HEADERS})
source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" PREFIX "Effect Files" FILES ${_OBS_FILTERS})

setup_binary_target(libobs)
setup_target_resources(libobs libobs)
export_target(libobs)
install_headers(libobs)