cmake_minimum_required(VERSION 3.5.0)

project(gst-idsueye-plugin)

# Values used when registering plugins
add_definitions(-DGST_PACKAGE_VERSION="idsueye-standalone")
add_definitions(-DGST_PACKAGE_LICENSE="LGPL")
add_definitions(-DGST_PACKAGE_ORIGIN="Unknown package origin")
add_definitions(-DGST_PACKAGE_NAME="${CMAKE_PROJECT_NAME}")
add_definitions(-DPACKAGE="${CMAKE_PROJECT_NAME} package")

set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_PREFIX "lib")

# Add local cmake modules
list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)

# Find required packages
find_package(GStreamer REQUIRED COMPONENTS base)
find_package(GStreamerPluginsBase REQUIRED COMPONENTS video)
find_package(GLIB2 REQUIRED)
find_package(GObject REQUIRED)
find_package(IDSuEye REQUIRED)

# Setup include directories
include_directories(
    .
    ${GSTREAMER_INCLUDE_DIR}
    ${GLIB2_INCLUDE_DIR}
    ${IDSUEYE_INCLUDE_DIR})

# Set install directories
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  if (WIN32)
    get_filename_component(_PREFIX "${GSTREAMER_PLUGIN_DIR}/../" REALPATH)
  else ()
    set(_PREFIX "/usr/lib")
  endif ()
  set(CMAKE_INSTALL_PREFIX "${_PREFIX}"
      CACHE PATH "Common prefix for all installed files" FORCE)
endif()

if (NOT PLUGIN_INSTALL_DIR)
  set(PLUGIN_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/gstreamer-1.0/"
      CACHE PATH "Location to install plugins")
endif()

if (WIN32 AND NOT PDB_INSTALL_DIR)
  set(PDB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/gstreamer-1.0/"
      CACHE PATH "Location to install PDB debug files")
endif()

# Build the IDS uEye plugin
set(SOURCES
  sys/idsueye/gstidsueyesrc.c)
    
set(HEADERS
  sys/idsueye/gstidsueyesrc.h)

set(libname gstidsueye)

add_library(${libname} MODULE
  ${SOURCES}
  ${HEADERS})

target_link_libraries(${libname}
  ${GLIB2_LIBRARIES}
  ${GOBJECT_LIBRARIES}
  ${GSTREAMER_LIBRARY}
  ${GSTREAMER_BASE_LIBRARY}
  ${GSTREAMER_VIDEO_LIBRARY}
  ${IDSUEYE_LIBRARIES})

if (WIN32)
  install(FILES $<TARGET_PDB_FILE:${libname}> DESTINATION ${PDB_INSTALL_DIR} COMPONENT pdb OPTIONAL)
endif()
install(TARGETS ${libname} LIBRARY DESTINATION ${PLUGIN_INSTALL_DIR})

# Print configuration summary
message(STATUS "")
message(STATUS "IDS uEye Plugin Build Configuration:")
message(STATUS "  GStreamer root: ${GSTREAMER_ROOT}")
message(STATUS "  IDS uEye SDK: ${IDSUEYE_DIR}")
message(STATUS "  Install prefix: ${CMAKE_INSTALL_PREFIX}")
message(STATUS "  Plugin install dir: ${PLUGIN_INSTALL_DIR}")
message(STATUS "")