cmake_minimum_required(VERSION 3.16...3.25)

legacy_check()

option(ENABLE_DECKLINK "Build OBS with Decklink support" ON)
if(NOT ENABLE_DECKLINK)
  target_disable(decklink)
  return()
endif()

add_library(decklink MODULE)
add_library(OBS::decklink ALIAS decklink)

add_library(decklink-sdk INTERFACE)
add_library(Decklink::SDK ALIAS decklink-sdk)

target_sources(
  decklink
  PRIVATE OBSVideoFrame.cpp
          OBSVideoFrame.h
          audio-repack.c
          audio-repack.h
          audio-repack.hpp
          const.h
          decklink-device.cpp
          decklink-device.hpp
          decklink-devices.cpp
          decklink-devices.hpp
          decklink-device-discovery.cpp
          decklink-device-discovery.hpp
          decklink-device-instance.cpp
          decklink-device-instance.hpp
          decklink-device-mode.cpp
          decklink-device-mode.hpp
          decklink-output.cpp
          decklink-source.cpp
          DecklinkBase.cpp
          DecklinkBase.h
          DecklinkInput.cpp
          DecklinkInput.hpp
          DecklinkOutput.cpp
          DecklinkOutput.hpp
          platform.hpp
          plugin-main.cpp
          util.cpp
          util.hpp)

target_link_libraries(decklink PRIVATE OBS::libobs OBS::caption Decklink::SDK)

if(OS_WINDOWS)
  configure_file(cmake/windows/obs-module.rc.in win-decklink.rc)
  target_compile_definitions(decklink PRIVATE NOMINMAX)
  target_sources(decklink PRIVATE win/platform.cpp win-decklink.rc)

  include(idlfilehelper)
  target_add_idl_files(decklink win/decklink-sdk/DeckLinkAPI.idl)

  target_sources(decklink-sdk INTERFACE win/decklink-sdk/DeckLinkAPIVersion.h)

elseif(OS_MACOS)
  find_library(COREFOUNDATION CoreFoundation)
  mark_as_advanced(COREFOUNDATION)

  target_sources(decklink PRIVATE mac/platform.cpp)
  target_link_libraries(decklink PRIVATE ${COREFOUNDATION})

  target_sources(
    decklink-sdk
    INTERFACE mac/decklink-sdk/DeckLinkAPIDispatch.cpp
              mac/decklink-sdk/DeckLinkAPI.h
              mac/decklink-sdk/DeckLinkAPIConfiguration.h
              mac/decklink-sdk/DeckLinkAPIDeckControl.h
              mac/decklink-sdk/DeckLinkAPIDiscovery.h
              mac/decklink-sdk/DeckLinkAPIModes.h
              mac/decklink-sdk/DeckLinkAPIStreaming.h
              mac/decklink-sdk/DeckLinkAPITypes.h
              mac/decklink-sdk/DeckLinkAPIVersion.h)
elseif(OS_LINUX OR OS_FREEBSD)
  target_sources(decklink PRIVATE linux/platform.cpp)

  target_sources(
    decklink-sdk
    INTERFACE linux/decklink-sdk/DeckLinkAPIDispatch.cpp
              linux/decklink-sdk/DeckLinkAPI.h
              linux/decklink-sdk/DeckLinkAPIConfiguration.h
              linux/decklink-sdk/DeckLinkAPIDeckControl.h
              linux/decklink-sdk/DeckLinkAPIDiscovery.h
              linux/decklink-sdk/DeckLinkAPIModes.h
              linux/decklink-sdk/DeckLinkAPITypes.h
              linux/decklink-sdk/DeckLinkAPIVersion.h
              linux/decklink-sdk/LinuxCOM.h)
endif()

set_target_properties_obs(decklink PROPERTIES FOLDER plugins/decklink PREFIX "")