CMAKE_MINIMUM_REQUIRED(VERSION 3.6)
PROJECT(noise-suppression VERSION ${VERSION} LANGUAGES C CXX)

SET(INC_DIR include)
INCLUDE_DIRECTORIES(${INC_DIR})

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

if (ENABLE_AUDIO_RESAMPLING)
INCLUDE(FindPkgConfig)
pkg_check_modules(TIZEN_PKGS REQUIRED
        speexdsp
)

FOREACH(flag ${TIZEN_PKGS_CFLAGS})
        SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
ENDFOREACH(flag)
endif()

SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${TIZEN_PKGS_CFLAGS}")

SET(TIZEN_FEATURE_FLAGS "-DTIZEN_FEATURE_MODIFICATION")

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -g -Wall -fPIC ${TIZEN_FEATURE_FLAGS}")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -g -Wall -fPIC ${TIZEN_FEATURE_FLAGS}")
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed -pie -fPIC")
SET(PKG_LDFLAGS "m")

if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
	MESSAGE("Not using fast math for x86_64 architecture")
else ()
	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DFLOAT_APPROX -ffast-math")
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DFLOAT_APPROX -ffast-math")
endif()

if (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l")
	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_NEON_OPTIMIZATION")
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_NEON_OPTIMIZATION")
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_NEON_OPTIMIZATION")
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_NEON_OPTIMIZATION")
endif()

SET(LIB_NAME "${PROJECT_NAME}")

MESSAGE(CFLAGS='${CMAKE_C_FLAGS}')
MESSAGE(CXXFLAGS='${CMAKE_CXX_FLAGS}')
MESSAGE(CMAKE_SYSTEM_PROCESSOR='${CMAKE_SYSTEM_PROCESSOR}')

SET(SRCS
	src/AudioProcessor.cpp
	src/DNNManager.cpp
	src/NoiseSuppressionApi.cpp
	src/NoiseSuppression.cpp
	src/celt_lpc.c
	src/kiss_fft.c
	src/pitch.c
	src/NSLogger.c
	src/rnn_data_16K_v2.0.c
	src/rnn_data_48K_v1.0.c
)

if (ENABLE_AUDIO_RESAMPLING)
	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_AUDIO_RESAMPLING")
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DENABLE_AUDIO_RESAMPLING")
	SET(SRCS ${SRCS} src/AudioResampler.cpp)
endif()

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/include)
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src)
ADD_LIBRARY(${LIB_NAME} SHARED ${SRCS})
TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${TIZEN_PKGS_LDFLAGS} ${PKG_LDFLAGS})

SET_TARGET_PROPERTIES(${LIB_NAME}
	PROPERTIES
	VERSION ${PROJECT_VERSION}
	SOVERSION ${PROJECT_VERSION_MAJOR}
	CLEAN_DIRECT_OUTPUT 1
	)

INSTALL(TARGETS ${LIB_NAME} DESTINATION ${LIB_INSTALL_DIR})
INSTALL(
	DIRECTORY ${INC_DIR}/ DESTINATION "${CMAKE_INSTALL_PREFIX}/include"
	FILES_MATCHING
	PATTERN "${INC_DIR}/noise-suppression.h"
	PATTERN "${INC_DIR}/noise-suppression-type.h"
	)

SET(PC_NAME ${LIB_NAME})
SET(PC_REQUIRED ${pc_dependents})
SET(PC_LDFLAGS -l${LIB_NAME})

CONFIGURE_FILE(
	${LIB_NAME}.pc.in
	${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}.pc
	@ONLY
	)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig)

ADD_SUBDIRECTORY(tool)