ac-mobile-android/ndk/CMakeLists.txt

cmake_minimum_required(VERSION 3.22.1)
project(androidcast_codecs C)

set(CMAKE_C_STANDARD 11)

set(THIRD_PARTY_ROOT ${CMAKE_SOURCE_DIR}/../third-party)
set(NATIVE_LIBS_ROOT ${CMAKE_SOURCE_DIR}/../build/native)
set(NDK_BRIDGE ${CMAKE_SOURCE_DIR})

add_library(androidcast_codecs SHARED
    ${NDK_BRIDGE}/jni/androidcast_codecs.c
    ${NDK_BRIDGE}/jni/libvpx_bridge.c
    ${NDK_BRIDGE}/jni/opus_bridge.c
    ${NDK_BRIDGE}/jni/speex_bridge.c
    ${NDK_BRIDGE}/jni/crash_hook.c
)

target_include_directories(androidcast_codecs PRIVATE
    ${NDK_BRIDGE}/jni
)

# Per-ABI libvpx.a from scripts/build-native-codecs.sh (do not link arm64 into armeabi-v7a).
set(LIBVPX_LIB "")
if(ANDROID_ABI)
    set(LIBVPX_PER_ABI "${NATIVE_LIBS_ROOT}/${ANDROID_ABI}/libvpx.a")
    if(EXISTS "${LIBVPX_PER_ABI}")
        set(LIBVPX_LIB "${LIBVPX_PER_ABI}")
    endif()
endif()
if(NOT LIBVPX_LIB AND DEFINED ENV{ANDROIDCAST_LIBVPX_LIB})
    string(FIND "$ENV{ANDROIDCAST_LIBVPX_LIB}" "${ANDROID_ABI}" _abi_match)
    if(_abi_match GREATER -1 AND EXISTS "$ENV{ANDROIDCAST_LIBVPX_LIB}")
        set(LIBVPX_LIB "$ENV{ANDROIDCAST_LIBVPX_LIB}")
    endif()
endif()

if(LIBVPX_LIB)
    message(STATUS "Linking libvpx for ${ANDROID_ABI}: ${LIBVPX_LIB}")
    target_compile_definitions(androidcast_codecs PRIVATE ANDROIDCAST_HAVE_LIBVPX=1)
    target_link_libraries(androidcast_codecs "${LIBVPX_LIB}")
    if(EXISTS "${THIRD_PARTY_ROOT}/libvpx")
        target_include_directories(androidcast_codecs PRIVATE "${THIRD_PARTY_ROOT}/libvpx")
        target_include_directories(androidcast_codecs PRIVATE "${THIRD_PARTY_ROOT}/libvpx/vpx")
    endif()
else()
    message(STATUS "No libvpx.a for ${ANDROID_ABI} — VPx JNI probe off (build with scripts/build-native-codecs.sh ${ANDROID_ABI})")
endif()

# libopus.a — same autodetect pattern (scripts/build-native-codecs.sh).
set(LIBOPUS_LIB "")
if(ANDROID_ABI)
    set(LIBOPUS_PER_ABI "${NATIVE_LIBS_ROOT}/${ANDROID_ABI}/libopus.a")
    if(EXISTS "${LIBOPUS_PER_ABI}")
        set(LIBOPUS_LIB "${LIBOPUS_PER_ABI}")
    endif()
endif()
if(NOT LIBOPUS_LIB AND DEFINED ENV{ANDROIDCAST_LIBOPUS_LIB})
    string(FIND "$ENV{ANDROIDCAST_LIBOPUS_LIB}" "${ANDROID_ABI}" _opus_abi_match)
    if(_opus_abi_match GREATER -1 AND EXISTS "$ENV{ANDROIDCAST_LIBOPUS_LIB}")
        set(LIBOPUS_LIB "$ENV{ANDROIDCAST_LIBOPUS_LIB}")
    endif()
endif()
if(LIBOPUS_LIB)
    message(STATUS "Linking libopus for ${ANDROID_ABI}: ${LIBOPUS_LIB}")
    target_compile_definitions(androidcast_codecs PRIVATE ANDROIDCAST_HAVE_OPUS=1)
    target_link_libraries(androidcast_codecs "${LIBOPUS_LIB}")
    # Per-ABI generated include (contains opus/ subdirectory with opus.h)
    set(OPUS_ABI_INCLUDE "${NATIVE_LIBS_ROOT}/${ANDROID_ABI}/include")
    if(EXISTS "${OPUS_ABI_INCLUDE}/opus/opus.h")
        target_include_directories(androidcast_codecs PRIVATE "${OPUS_ABI_INCLUDE}")
    elseif(EXISTS "${THIRD_PARTY_ROOT}/opus/include/opus.h")
        # Source has flat include layout; create virtual opus/ dir via include parent
        target_include_directories(androidcast_codecs PRIVATE "${THIRD_PARTY_ROOT}/opus")
    elseif(EXISTS "${THIRD_PARTY_ROOT}/opus/include")
        target_include_directories(androidcast_codecs PRIVATE "${THIRD_PARTY_ROOT}/opus/include")
    endif()
else()
    message(STATUS "No libopus.a for ${ANDROID_ABI} — Opus JNI probe off (build with scripts/build-native-codecs.sh ${ANDROID_ABI})")
endif()

# libspeex.a
set(LIBSPEEX_LIB "")
if(ANDROID_ABI)
    set(LIBSPEEX_PER_ABI "${NATIVE_LIBS_ROOT}/${ANDROID_ABI}/libspeex.a")
    if(EXISTS "${LIBSPEEX_PER_ABI}")
        set(LIBSPEEX_LIB "${LIBSPEEX_PER_ABI}")
    endif()
endif()
if(NOT LIBSPEEX_LIB AND DEFINED ENV{ANDROIDCAST_LIBSPEEX_LIB})
    string(FIND "$ENV{ANDROIDCAST_LIBSPEEX_LIB}" "${ANDROID_ABI}" _speex_abi_match)
    if(_speex_abi_match GREATER -1 AND EXISTS "$ENV{ANDROIDCAST_LIBSPEEX_LIB}")
        set(LIBSPEEX_LIB "$ENV{ANDROIDCAST_LIBSPEEX_LIB}")
    endif()
endif()
if(LIBSPEEX_LIB)
    message(STATUS "Linking libspeex for ${ANDROID_ABI}: ${LIBSPEEX_LIB}")
    target_compile_definitions(androidcast_codecs PRIVATE ANDROIDCAST_HAVE_SPEEX=1)
    target_link_libraries(androidcast_codecs "${LIBSPEEX_LIB}")
    if(EXISTS "${THIRD_PARTY_ROOT}/speex/include")
        target_include_directories(androidcast_codecs PRIVATE "${THIRD_PARTY_ROOT}/speex/include")
    endif()
    # Per-ABI generated speex_config_types.h
    set(SPEEX_ABI_INCLUDE "${NATIVE_LIBS_ROOT}/${ANDROID_ABI}/include")
    if(EXISTS "${SPEEX_ABI_INCLUDE}/speex/speex_config_types.h")
        target_include_directories(androidcast_codecs PRIVATE "${SPEEX_ABI_INCLUDE}")
    endif()
else()
    message(STATUS "No libspeex.a for ${ANDROID_ABI} — Speex JNI probe off (build with scripts/build-native-codecs.sh ${ANDROID_ABI})")
endif()

find_library(log-lib log)
find_library(android-lib android)
find_library(dl-lib dl)
target_link_libraries(androidcast_codecs ${log-lib} ${android-lib} ${dl-lib})

# Per-account obfuscated entitlement flags (separate .so; safe to omit on load failure).
set(OBFUSCATE_ROOT ${CMAKE_SOURCE_DIR}/obfuscate)

add_library(androidcast_entitlements SHARED
    ${NDK_BRIDGE}/jni/entitlements_jni.c
    ${OBFUSCATE_ROOT}/obfuscate.c
    ${OBFUSCATE_ROOT}/obfuscate_file.c
)

target_include_directories(androidcast_entitlements PRIVATE
    ${OBFUSCATE_ROOT}
)

target_compile_options(androidcast_entitlements PRIVATE -std=c11 -Wall -Wextra)
target_link_libraries(androidcast_entitlements ${log-lib})

set(IODINE_SRC ${CMAKE_SOURCE_DIR}/../third-party/iodine/src)
add_library(androidcast_iodine SHARED
    ${NDK_BRIDGE}/jni/iodine_jni.c
    ${IODINE_SRC}/tun.c
    ${IODINE_SRC}/dns.c
    ${IODINE_SRC}/read.c
    ${IODINE_SRC}/encoding.c
    ${IODINE_SRC}/login.c
    ${IODINE_SRC}/base32.c
    ${IODINE_SRC}/base64.c
    ${IODINE_SRC}/base64u.c
    ${IODINE_SRC}/base128.c
    ${IODINE_SRC}/md5.c
    ${IODINE_SRC}/common.c
    ${IODINE_SRC}/client.c
    ${IODINE_SRC}/util.c
)

target_include_directories(androidcast_iodine PRIVATE
    ${IODINE_SRC}
    ${NDK_BRIDGE}/jni
)

target_compile_definitions(androidcast_iodine PRIVATE
    ANDROID=1
    LINUX=1
    IFCONFIGPATH="/system/bin/"
)

target_compile_options(androidcast_iodine PRIVATE -std=gnu11 -Wall -Wno-unused-parameter)

find_library(z-lib z)

target_link_libraries(androidcast_iodine ${log-lib} ${android-lib} ${z-lib})