OrangePi3588Media/CMakeLists.txt

# Minimum version based on requirements from PRD (CMake >= 3.20)
cmake_minimum_required(VERSION 3.20)

project(rk3588_media_server
    VERSION 0.1.0
    DESCRIPTION "RK3588 media server bootstrap"
    LANGUAGES C CXX)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

option(BUILD_SAMPLES "Build demo binaries" ON)
option(BUILD_TESTS "Build unit tests" ON)
option(ENABLE_RK_DEMOS "Use official Rockchip demos that link against vendor SDKs" OFF)

set(RK_MPP_ROOT "${CMAKE_SOURCE_DIR}/third_party/mpp" CACHE PATH "Path to Rockchip MPP SDK root")
set(RK_MPP_LIB_PATH "" CACHE FILEPATH "Absolute path to librockchip_mpp.so built for RK3588")
set(RK_RKNN_ROOT "${CMAKE_SOURCE_DIR}/third_party/rknpu2" CACHE PATH "Path to Rockchip RKNN runtime repository")
set(RKNN_RUNTIME_LIB_DIR "${RK_RKNN_ROOT}/runtime/RK3588/Linux/librknn_api/aarch64" CACHE PATH "Directory containing librknnrt.so")
set(RKNN_RUNTIME_INCLUDE_DIR "${RK_RKNN_ROOT}/runtime/RK3588/Linux/librknn_api/include" CACHE PATH "include path for rknn_api.h")
set(RKNN_MODEL_PATH "${RK_RKNN_ROOT}/examples/rknn_api_demo/model/RK3588/mobilenet_v1.rknn" CACHE FILEPATH "Default RKNN demo model")
set(RKNN_SAMPLE_IMAGE "${RK_RKNN_ROOT}/examples/rknn_api_demo/model/dog_224x224.jpg" CACHE FILEPATH "Default RKNN demo input image")

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

find_package(Threads REQUIRED)

if(RK3588_ENABLE_FFMPEG)
    find_package(PkgConfig REQUIRED)
    pkg_check_modules(FFMPEG REQUIRED IMPORTED_TARGET libavformat libavcodec libavutil)
    pkg_check_modules(SWSCALE REQUIRED IMPORTED_TARGET libswscale)
endif()

# Helper target for common warnings
add_library(project_options INTERFACE)
if(MSVC)
    target_compile_options(project_options INTERFACE /W4)
else()
    target_compile_options(project_options INTERFACE -Wall -Wextra -Wpedantic)
endif()

# Resolve git revision if possible
find_package(Git QUIET)
if(GIT_FOUND)
    execute_process(
        COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        OUTPUT_VARIABLE RK_GIT_SHA
        OUTPUT_STRIP_TRAILING_WHITESPACE
        ERROR_QUIET
    )
endif()
if(NOT RK_GIT_SHA)
    set(RK_GIT_SHA "nogit")
endif()

set(SRC_FILES
    src/main.cpp
    src/media_server_app.cpp
    src/graph_manager.cpp
    src/plugin_loader.cpp
    src/ai_scheduler.cpp
    src/http_server.cpp
    src/hw_factory.cpp
    src/hw_codec.cpp
    src/hw_image_processor.cpp
    src/utils/dma_alloc.cpp
    src/utils/config_expand.cpp
)

# Shared cross-plugin state (used by gate/tracker and potentially other nodes).
add_library(rk_shared_state SHARED src/utils/shared_state.cpp)
target_compile_definitions(rk_shared_state PRIVATE RK3588_BUILD_SHARED_STATE)
target_include_directories(rk_shared_state PRIVATE ${CMAKE_SOURCE_DIR}/include)
target_link_libraries(rk_shared_state PRIVATE project_options Threads::Threads)
set_target_properties(rk_shared_state PROPERTIES
    OUTPUT_NAME "rk_shared_state"
    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
    LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
)
install(TARGETS rk_shared_state
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION bin
)

add_executable(media-server ${SRC_FILES})
set_target_properties(media-server PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
target_include_directories(media-server
    PRIVATE
        ${CMAKE_SOURCE_DIR}/include
        ${CMAKE_SOURCE_DIR}/third_party
)
target_link_libraries(media-server PRIVATE project_options Threads::Threads)

if(RK3588_ENABLE_FFMPEG)
    target_compile_definitions(media-server PRIVATE RK3588_ENABLE_FFMPEG)
    target_include_directories(media-server PRIVATE ${FFMPEG_INCLUDE_DIRS})
    target_link_libraries(media-server PRIVATE PkgConfig::FFMPEG PkgConfig::SWSCALE)
endif()

if(RK3588_ENABLE_RGA)
    # Use system librga by default (rknpu2 prebuilt may contain broken symlinks)
    if(NOT RK_RGA_INCLUDE_DIR)
        set(RK_RGA_INCLUDE_DIR "${RK_RKNN_ROOT}/examples/3rdparty/rga/RK3588/include" CACHE PATH "RGA include directory")
    endif()

    find_library(RK_RGA_LIB rga)
    if(NOT RK_RGA_LIB)
        message(WARNING "RGA enabled but librga not found; disable RK3588_ENABLE_RGA or install librga-dev")
    else()
        message(STATUS "Found librga: ${RK_RGA_LIB}")
        target_compile_definitions(media-server PRIVATE RK3588_ENABLE_RGA)
        target_include_directories(media-server PRIVATE ${RK_RGA_INCLUDE_DIR})
        target_link_libraries(media-server PRIVATE ${RK_RGA_LIB})
    endif()
endif()

if(RK3588_ENABLE_RKNN)
    find_library(RK_RKNN_LIB rknnrt
        HINTS
            ${RKNN_RUNTIME_LIB_DIR}
            ${RK_RKNN_ROOT}/runtime/RK3588/Linux/librknn_api/aarch64
        NO_DEFAULT_PATH
    )
    if(NOT RK_RKNN_LIB)
        find_library(RK_RKNN_LIB rknnrt)
    endif()
    if(NOT RK_RKNN_LIB)
        message(WARNING "RKNN enabled but librknnrt not found; disable RK3588_ENABLE_RKNN or set RKNN_RUNTIME_LIB_DIR")
    else()
        target_compile_definitions(media-server PRIVATE RK3588_ENABLE_RKNN)
        target_include_directories(media-server PRIVATE ${RKNN_RUNTIME_INCLUDE_DIR})
        target_link_libraries(media-server PRIVATE ${RK_RKNN_LIB})
    endif()
endif()

if(WIN32)
    target_link_libraries(media-server PRIVATE ws2_32)
endif()
target_compile_definitions(media-server PRIVATE
    RK_PROJECT_VERSION="${PROJECT_VERSION}"
    RK_GIT_SHA="${RK_GIT_SHA}"
)

install(TARGETS media-server RUNTIME DESTINATION bin)

if(BUILD_SAMPLES)
    add_subdirectory(samples)
endif()

if(BUILD_TESTS)
    enable_testing()
    add_subdirectory(tests)
endif()

add_subdirectory(plugins)

include(GNUInstallDirs)
install(FILES configs/sample_cam1.json DESTINATION ${CMAKE_INSTALL_DATADIR}/rk3588-media-server)