################################################################################
# Copyright (c) 2017-2021, NVIDIA CORPORATION.  All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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#################################################################################
#enable this flag to use optimized dsexample plugin
#it can also be exported from command line

WITH_OPENCV?=1

USE_OPTIMIZED_DSEXAMPLE?=0
CUDA_VER?=11.2
ifeq ($(CUDA_VER),)
  $(error "CUDA_VER is not set")
endif
TARGET_DEVICE = $(shell gcc -dumpmachine | cut -f1 -d -)
CXX:= g++
NVCC:=/usr/local/cuda-$(CUDA_VER)/bin/nvcc

ifeq ($(USE_OPTIMIZED_DSEXAMPLE),1)
  SRCS:= gstdsexample_optimized.cpp
else
  SRCS:= gstdsexample.cpp
  SRCS+= ./src/CharacterDetection.cpp
  SRCS+= ./src/CropLicensePlate.cpp
  SRCS+= ./src/GetPlateColor.cpp
  SRCS+= ./src/LicensePlateRecognition.cpp
  SRCS+= ./src/LPRprocessor.cpp
  SRCS+= ./src/config.cpp
  SRCS+= ./src/CropLP.cpp
  SRCS+= ./src/YOLOv5/preprocess.cu
  SRCS+= ./src/YOLOv5/yololayer.cu
  SRCS+= ./src/YOLOv5/DetectorCOCO.cpp


endif

INCS:= $(wildcard *.h)
INCS+= $(wildcard ./include/*.h)
INCS+= $(wildcard ./include/*.hpp)
INCS+= $(wildcard ./include/YOLOv5/*.h)
INCS+= $(wildcard ./include/YOLOv5/*.hpp)

LIB:=libnvdsgst_dsexample.so

NVDS_VERSION:=6.0

DEP:=dsexample_lib/libdsexample.a
DEP_FILES:=$(wildcard dsexample_lib/dsexample_lib.* )
DEP_FILES-=$(DEP)

CFLAGS+= -fPIC -DDS_VERSION=\"6.0\" \
	 -I /usr/local/cuda-$(CUDA_VER)/include \
	 -I ../../includes \
	 -I ./lib_ncnn/ncnn \
	 -I ./include \
	 -I ./include/YOLOv5

CFLAGS_NVCC:=$(shell pkg-config  --cflags --libs opencv4 )
CFLAGS_NVCC+=-I ./include -I ./include/YOLOv5

GST_INSTALL_DIR?=/opt/nvidia/deepstream/deepstream-$(NVDS_VERSION)/lib/gst-plugins/
LIB_INSTALL_DIR?=/opt/nvidia/deepstream/deepstream-$(NVDS_VERSION)/lib/

LIBS := -shared -Wl,-no-undefined \
	-L dsexample_lib -ldsexample \
	-L/usr/local/cuda-$(CUDA_VER)/lib64/ -lcudart -ldl \
	-lnppc -lnppig -lnpps -lnppicc -lnppidei \
	-L$(LIB_INSTALL_DIR) -lnvdsgst_helper -lnvdsgst_meta -lnvds_meta -lnvbufsurface -lnvbufsurftransform \
	-Wl,-rpath,$(LIB_INSTALL_DIR) \
	-L lib_ncnn -lncnn -fopenmp\
	-lnvinfer -lpthread \
	# -lnvinfer_plugin -lnvparsers \

	
OBJS:= $(SRCS:.cpp=.o)
OBJS:= $(OBJS:.cu=.o)

PKGS:= gstreamer-1.0 gstreamer-base-1.0 gstreamer-video-1.0

ifeq ($(WITH_OPENCV),1)
CFLAGS+= -DWITH_OPENCV
ifeq ($(TARGET_DEVICE),aarch64)
	PKGS+= opencv4
else
	PKGS+= opencv
endif
endif

CFLAGS+=$(shell pkg-config --cflags $(PKGS))
LIBS+=$(shell pkg-config --libs $(PKGS))

all: $(LIB)

%.o: %.cpp $(INCS) Makefile
	@echo $(CFLAGS)
	$(CXX) -c -o $@ $(CFLAGS) $< 

%.o: %.cu $(INCS) Makefile
	$(NVCC) -c -o $@  $(CFLAGS_NVCC) --compiler-options '-fPIC'  $<

$(LIB): $(OBJS) $(DEP) Makefile
	@echo $(CFLAGS)
	$(CXX) -o $@ $(OBJS) $(LIBS)

$(DEP): $(DEP_FILES)
	$(MAKE) -C dsexample_lib/

install: $(LIB)
	cp -rv $(LIB) $(GST_INSTALL_DIR)

clean:
	rm -rf $(OBJS) $(LIB)