# Android CMake build for dav1d AV1 decoder
cmake_minimum_required(VERSION 3.10)

project(VavCore-Android)

# Set Android ABI
if(NOT ANDROID_ABI)
    set(ANDROID_ABI "arm64-v8a")
endif()

# Set library directory based on ABI
if(ANDROID_ABI STREQUAL "arm64-v8a")
    set(LIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/vavcore/libs/arm64-v8a")
elseif(ANDROID_ABI STREQUAL "armeabi-v7a")
    set(LIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/vavcore/libs/armeabi-v7a")
else()
    message(FATAL_ERROR "Unsupported Android ABI: ${ANDROID_ABI}")
endif()

# Include directories
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/vavcore/include)

# Import dav1d as prebuilt library
add_library(dav1d SHARED IMPORTED)
set_target_properties(dav1d PROPERTIES
    IMPORTED_LOCATION ${LIB_DIR}/libdav1d.so
    INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/vavcore/include
)

# Also provide static library option
add_library(dav1d_static STATIC IMPORTED)
set_target_properties(dav1d_static PROPERTIES
    IMPORTED_LOCATION ${LIB_DIR}/libdav1d.a
    INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/vavcore/include
)

# VavCore sources for Android
set(VAVCORE_ANDROID_SOURCES
    # Common VavCore sources (only .cpp files)
    vavcore/src/Decoder/VideoDecoderFactory.cpp
    vavcore/src/Decoder/AV1Decoder.cpp
    vavcore/src/FileIO/WebMFileReader.cpp

    # Android-specific sources
    vavcore/src/Decoder/MediaCodecAV1Decoder.cpp

    # Test/example sources
    tests/native/android_test.cpp
)

# Include directories for VavCore
include_directories(
    ${CMAKE_CURRENT_SOURCE_DIR}/vavcore/src
    ${CMAKE_CURRENT_SOURCE_DIR}/vavcore/include
)

# Add platform-specific preprocessor definitions
add_definitions(-DANDROID -DVAVCORE_PLATFORM_ANDROID)

# Create VavCore Android library
add_library(vavcore-android SHARED
    ${VAVCORE_ANDROID_SOURCES}
)

target_link_libraries(vavcore-android
    dav1d
    mediandk    # Android MediaCodec NDK
    android     # Android native library
    log         # Android log library
)