# Prefer the BSP's pkg-config metadata, preserving its transitive link flags.
# SDKs without a .pc file can use -DRockchipMPP_ROOT=/path/to/prefix.
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
    pkg_check_modules(PC_RockchipMPP QUIET IMPORTED_TARGET rockchip_mpp)
endif()

find_path(RockchipMPP_INCLUDE_DIR NAMES rk_mpi.h
    HINTS ${PC_RockchipMPP_INCLUDE_DIRS}
    PATH_SUFFIXES rockchip mpp include/rockchip include/mpp include)
include(FindPackageHandleStandardArgs)

if(TARGET PkgConfig::PC_RockchipMPP)
    set(RockchipMPP_VERSION "${PC_RockchipMPP_VERSION}")
    find_package_handle_standard_args(RockchipMPP
        REQUIRED_VARS RockchipMPP_INCLUDE_DIR VERSION_VAR RockchipMPP_VERSION)
    if(RockchipMPP_FOUND AND NOT TARGET RockchipMPP::MPP)
        add_library(RockchipMPP::MPP INTERFACE IMPORTED)
        set_target_properties(RockchipMPP::MPP PROPERTIES
            INTERFACE_INCLUDE_DIRECTORIES "${RockchipMPP_INCLUDE_DIR}"
            INTERFACE_LINK_LIBRARIES PkgConfig::PC_RockchipMPP)
    endif()
else()
    find_library(RockchipMPP_LIBRARY NAMES rockchip_mpp mpp)
    find_package_handle_standard_args(RockchipMPP
        REQUIRED_VARS RockchipMPP_INCLUDE_DIR RockchipMPP_LIBRARY
        REASON_FAILURE_MESSAGE "Install the target BSP's MPP development SDK, or set RockchipMPP_ROOT. Host-only builds use ROCKSTREAM_WITH_MPP=OFF.")
    if(RockchipMPP_FOUND AND NOT TARGET RockchipMPP::MPP)
        add_library(RockchipMPP::MPP UNKNOWN IMPORTED)
        set_target_properties(RockchipMPP::MPP PROPERTIES
            IMPORTED_LOCATION "${RockchipMPP_LIBRARY}"
            INTERFACE_INCLUDE_DIRECTORIES "${RockchipMPP_INCLUDE_DIR}")
    endif()
    mark_as_advanced(RockchipMPP_INCLUDE_DIR RockchipMPP_LIBRARY)
endif()