SRC_PATH=$(word 1, $(dir $(MAKEFILE_LIST)))
vpath %.c $(SRC_PATH)
vpath %.cc $(SRC_PATH)
vpath %.cpp $(SRC_PATH)
vpath %.asm $(SRC_PATH)
vpath %.S $(SRC_PATH)

OS=$(shell uname | tr A-Z a-z | tr -d \\-[:digit:].)
ARCH=$(shell uname -m)
LIBPREFIX=lib
LIBSUFFIX=a
CCAS=$(CC)
CXX_O=-o $@
CXX_LINK_O=-o $@
AR_OPTS=cr $@
LINK_LOCAL_DIR=-L.
LINK_LIB=-l$(1)
CFLAGS_OPT=-O3
CFLAGS_DEBUG=-g
BUILDTYPE=Release
V=Yes
PREFIX=/usr/local
SHARED=-shared
OBJ=o
DESTDIR=
SHAREDLIB_DIR=$(PREFIX)/lib
PROJECT_NAME=openh264
MODULE_NAME=gmpopenh264
GMP_API_BRANCH=Firefox36
CCASFLAGS=$(CFLAGS)
VERSION=1.3
STATIC_LDFLAGS=-lstdc++

ifeq (,$(wildcard $(SRC_PATH)gmp-api))
HAVE_GMP_API=No
else
HAVE_GMP_API=Yes
endif

ifeq (,$(wildcard $(SRC_PATH)gtest))
HAVE_GTEST=No
else
HAVE_GTEST=Yes
endif

# Configurations
ifeq ($(BUILDTYPE), Release)
CFLAGS += $(CFLAGS_OPT)
USE_ASM = Yes
else
CFLAGS += $(CFLAGS_DEBUG)
USE_ASM = No
endif

ifeq ($(USE_ASAN), Yes)
CFLAGS += -fsanitize=address
LDFLAGS += -fsanitize=address
endif

SHAREDLIBVERSION=0
include $(SRC_PATH)build/platform-$(OS).mk


CFLAGS +=
LDFLAGS +=

ifeq (Yes, $(GCOV))
CFLAGS += -fprofile-arcs -ftest-coverage
LDFLAGS += -lgcov
endif

#### No user-serviceable parts below this line
ifneq ($(V),Yes)
    QUIET_CXX = @printf "CXX\t$@\n";
    QUIET_CC  = @printf "CC\t$@\n";
    QUIET_CCAS = @printf "CCAS\t$@\n";
    QUIET_ASM = @printf "ASM\t$@\n";
    QUIET_AR  = @printf "AR\t$@\n";
    QUIET     = @
endif


INCLUDES += -I$(SRC_PATH)codec/api/svc -I$(SRC_PATH)codec/common/inc

DECODER_INCLUDES += \
    -I$(SRC_PATH)codec/decoder/core/inc \
    -I$(SRC_PATH)codec/decoder/plus/inc

ENCODER_INCLUDES += \
    -I$(SRC_PATH)codec/encoder/core/inc \
    -I$(SRC_PATH)codec/encoder/plus/inc \
    -I$(SRC_PATH)codec/processing/interface

PROCESSING_INCLUDES += \
    -I$(SRC_PATH)codec/processing/interface \
    -I$(SRC_PATH)codec/processing/src/common \
    -I$(SRC_PATH)codec/processing/src/adaptivequantization \
    -I$(SRC_PATH)codec/processing/src/downsample \
    -I$(SRC_PATH)codec/processing/src/scrolldetection \
    -I$(SRC_PATH)codec/processing/src/vaacalc

GTEST_INCLUDES += \
    -I$(SRC_PATH)gtest \
    -I$(SRC_PATH)gtest/include

CODEC_UNITTEST_INCLUDES += \
    -I$(SRC_PATH)gtest/include \
    -I$(SRC_PATH)codec/common/inc \

CONSOLE_COMMON_INCLUDES += \
    -I$(SRC_PATH)codec/console/common/inc

H264DEC_INCLUDES += $(DECODER_INCLUDES) $(CONSOLE_COMMON_INCLUDES) -I$(SRC_PATH)codec/console/dec/inc
H264DEC_LDFLAGS = $(LINK_LOCAL_DIR) $(call LINK_LIB,decoder) $(call LINK_LIB,common) $(call LINK_LIB,console_common)
H264DEC_DEPS = $(LIBPREFIX)decoder.$(LIBSUFFIX) $(LIBPREFIX)common.$(LIBSUFFIX) $(LIBPREFIX)console_common.$(LIBSUFFIX)

H264ENC_INCLUDES += $(ENCODER_INCLUDES) $(CONSOLE_COMMON_INCLUDES) -I$(SRC_PATH)codec/console/enc/inc
H264ENC_LDFLAGS = $(LINK_LOCAL_DIR) $(call LINK_LIB,encoder) $(call LINK_LIB,processing) $(call LINK_LIB,common) $(call LINK_LIB,console_common)
H264ENC_DEPS = $(LIBPREFIX)encoder.$(LIBSUFFIX) $(LIBPREFIX)processing.$(LIBSUFFIX) $(LIBPREFIX)common.$(LIBSUFFIX) $(LIBPREFIX)console_common.$(LIBSUFFIX)

CODEC_UNITTEST_LDFLAGS = $(LINK_LOCAL_DIR) $(call LINK_LIB,gtest) $(call LINK_LIB,decoder) $(call LINK_LIB,encoder) $(call LINK_LIB,processing) $(call LINK_LIB,common) $(CODEC_UNITTEST_LDFLAGS_SUFFIX)
CODEC_UNITTEST_DEPS = $(LIBPREFIX)gtest.$(LIBSUFFIX) $(LIBPREFIX)decoder.$(LIBSUFFIX) $(LIBPREFIX)encoder.$(LIBSUFFIX) $(LIBPREFIX)processing.$(LIBSUFFIX) $(LIBPREFIX)common.$(LIBSUFFIX)
DECODER_UNITTEST_INCLUDES += $(CODEC_UNITTEST_INCLUDES) $(DECODER_INCLUDES) -I$(SRC_PATH)test -I$(SRC_PATH)test/decoder
ENCODER_UNITTEST_INCLUDES += $(CODEC_UNITTEST_INCLUDES) $(ENCODER_INCLUDES) -I$(SRC_PATH)test -I$(SRC_PATH)test/encoder
PROCESSING_UNITTEST_INCLUDES += $(CODEC_UNITTEST_INCLUDES) $(PROCESSING_INCLUDES) -I$(SRC_PATH)test -I$(SRC_PATH)test/processing
API_TEST_INCLUDES += $(CODEC_UNITTEST_INCLUDES) -I$(SRC_PATH)test -I$(SRC_PATH)test/api
COMMON_UNITTEST_INCLUDES += $(CODEC_UNITTEST_INCLUDES) $(DECODER_INCLUDES) -I$(SRC_PATH)test -I$(SRC_PATH)test/common
MODULE_INCLUDES += -I$(SRC_PATH)gmp-api

DECODER_UNITTEST_CFLAGS += $(CODEC_UNITTEST_CFLAGS)
ENCODER_UNITTEST_CFLAGS += $(CODEC_UNITTEST_CFLAGS)
PROCESSING_UNITTEST_CFLAGS += $(CODEC_UNITTEST_CFLAGS)
API_TEST_CFLAGS += $(CODEC_UNITTEST_CFLAGS)
COMMON_UNITTEST_CFLAGS += $(CODEC_UNITTEST_CFLAGS)

.PHONY: test gtest-bootstrap clean $(PROJECT_NAME).pc $(PROJECT_NAME)-static.pc

all: libraries binaries

generate-version:
	$(QUIET)cd $(SRC_PATH) && sh ./codec/common/generate_version.sh

codec/decoder/plus/src/welsDecoderExt.$(OBJ): | generate-version
codec/encoder/plus/src/welsEncoderExt.$(OBJ): | generate-version

clean:
ifeq (android,$(OS))
clean: clean_Android
endif
	$(QUIET)rm -f $(OBJS) $(OBJS:.$(OBJ)=.d) $(OBJS:.$(OBJ)=.obj) $(LIBRARIES) $(BINARIES) *.lib *.a *.dylib *.dll *.so *.exe *.pdb *.exp *.pc

gmp-bootstrap:
	if [ ! -d gmp-api ] ; then git clone https://github.com/mozilla/gmp-api gmp-api ; fi
	cd gmp-api && git fetch origin && git checkout $(GMP_API_BRANCH)

gtest-bootstrap:
	svn co https://googletest.googlecode.com/svn/trunk/ gtest

ifeq ($(HAVE_GTEST),Yes)

test: codec_unittest$(EXEEXT)
ifneq (android,$(OS))
ifneq (ios,$(OS))
	./codec_unittest
endif
endif

else
test:
	@echo "./gtest : No such file or directory."
	@echo "You do not have gtest. Run make gtest-bootstrap to get gtest"
endif

include $(SRC_PATH)codec/common/targets.mk
include $(SRC_PATH)codec/decoder/targets.mk
include $(SRC_PATH)codec/encoder/targets.mk
include $(SRC_PATH)codec/processing/targets.mk

ifeq ($(HAVE_GMP_API),Yes)
include $(SRC_PATH)module/targets.mk
endif

ifneq (android, $(OS))
ifneq (ios, $(OS))
include $(SRC_PATH)codec/console/dec/targets.mk
include $(SRC_PATH)codec/console/enc/targets.mk
include $(SRC_PATH)codec/console/common/targets.mk
endif
endif

ifneq (ios, $(OS))
libraries: $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX) $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIX)
else
libraries: $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX)
endif

LIBRARIES += $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX) $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIXVER)

$(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX): $(ENCODER_OBJS) $(DECODER_OBJS) $(PROCESSING_OBJS) $(COMMON_OBJS)
	$(QUIET)rm -f $@
	$(QUIET_AR)$(AR) $(AR_OPTS) $+

$(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIXVER): $(ENCODER_OBJS) $(DECODER_OBJS) $(PROCESSING_OBJS) $(COMMON_OBJS)
	$(QUIET)rm -f $@
	$(QUIET_CXX)$(CXX) $(SHARED) $(CXX_LINK_O) $+ $(LDFLAGS) $(SHLDFLAGS)

ifneq ($(SHAREDLIBSUFFIXVER),$(SHAREDLIBSUFFIX))
$(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIX): $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIXVER)
	$(QUIET)ln -sfn $+ $@
endif

ifeq ($(HAVE_GMP_API),Yes)
plugin: $(LIBPREFIX)$(MODULE_NAME).$(SHAREDLIBSUFFIX)
LIBRARIES += $(LIBPREFIX)$(MODULE_NAME).$(SHAREDLIBSUFFIXVER)
else
plugin:
	@echo "./gmp-api : No such file or directory."
	@echo "You do not have gmp-api.  Run make gmp-bootstrap to get the gmp-api headers."
endif

$(LIBPREFIX)$(MODULE_NAME).$(SHAREDLIBSUFFIXVER): $(MODULE_OBJS) $(ENCODER_OBJS) $(DECODER_OBJS) $(PROCESSING_OBJS) $(COMMON_OBJS)
	$(QUIET)rm -f $@
	$(QUIET_CXX)$(CXX) $(SHARED) $(CXX_LINK_O) $+ $(LDFLAGS) $(SHLDFLAGS) $(MODULE_LDFLAGS)

ifneq ($(SHAREDLIBSUFFIXVER),$(SHAREDLIBSUFFIX))
$(LIBPREFIX)$(MODULE_NAME).$(SHAREDLIBSUFFIX): $(LIBPREFIX)$(MODULE_NAME).$(SHAREDLIBSUFFIXVER)
	$(QUIET)ln -sfn $+ $@
endif

$(PROJECT_NAME).pc: $(PROJECT_NAME).pc.in
	@sed -e 's;@prefix@;$(PREFIX);' -e 's;@VERSION@;$(VERSION);' -e 's;@LIBS@;;' -e 's;@LIBS_PRIVATE@;$(STATIC_LDFLAGS);' < $(PROJECT_NAME).pc.in > $@

$(PROJECT_NAME)-static.pc: $(PROJECT_NAME).pc.in
	@sed -e 's;@prefix@;$(PREFIX);' -e 's;@VERSION@;$(VERSION);' -e 's;@LIBS@;$(STATIC_LDFLAGS);' -e 's;@LIBS_PRIVATE@;;' < $(PROJECT_NAME).pc.in > $@

install-headers:
	mkdir -p $(DESTDIR)/$(PREFIX)/include/wels
	install -m 644 codec/api/svc/codec*.h $(DESTDIR)/$(PREFIX)/include/wels

install-static-lib: $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX) install-headers
	mkdir -p $(DESTDIR)/$(PREFIX)/lib
	install -m 644 $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX) $(DESTDIR)/$(PREFIX)/lib

install-static: install-static-lib $(PROJECT_NAME)-static.pc
	mkdir -p $(DESTDIR)/$(PREFIX)/lib/pkgconfig
	install -m 644 $(PROJECT_NAME)-static.pc $(DESTDIR)/$(PREFIX)/lib/pkgconfig/$(PROJECT_NAME).pc

install-shared: $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIX) install-headers $(PROJECT_NAME).pc
	mkdir -p $(DESTDIR)/$(SHAREDLIB_DIR)
	install -m 755 $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIXVER) $(DESTDIR)/$(SHAREDLIB_DIR)
	if [ "$(SHAREDLIBSUFFIXVER)" != "$(SHAREDLIBSUFFIX)" ]; then \
		cp -a $(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIX) $(DESTDIR)/$(SHAREDLIB_DIR); \
	fi
	mkdir -p $(DESTDIR)/$(PREFIX)/lib/pkgconfig
	install -m 644 $(PROJECT_NAME).pc $(DESTDIR)/$(PREFIX)/lib/pkgconfig
ifneq ($(EXTRA_LIBRARY),)
	install -m 644 $(EXTRA_LIBRARY) $(DESTDIR)/$(PREFIX)/lib
endif

install: install-static-lib install-shared
	@:

ifeq ($(HAVE_GTEST),Yes)
include $(SRC_PATH)build/gtest-targets.mk
include $(SRC_PATH)test/api/targets.mk
include $(SRC_PATH)test/decoder/targets.mk
include $(SRC_PATH)test/encoder/targets.mk
include $(SRC_PATH)test/processing/targets.mk
include $(SRC_PATH)test/common/targets.mk

LIBRARIES += $(LIBPREFIX)ut.$(LIBSUFFIX)
$(LIBPREFIX)ut.$(LIBSUFFIX): $(DECODER_UNITTEST_OBJS) $(ENCODER_UNITTEST_OBJS) $(PROCESSING_UNITTEST_OBJS) $(COMMON_UNITTEST_OBJS) $(API_TEST_OBJS)
	$(QUIET)rm -f $@
	$(QUIET_AR)$(AR) $(AR_OPTS) $+


LIBRARIES +=$(LIBPREFIX)ut.$(SHAREDLIBSUFFIX)
$(LIBPREFIX)ut.$(SHAREDLIBSUFFIX): $(DECODER_UNITTEST_OBJS) $(ENCODER_UNITTEST_OBJS) $(PROCESSING_UNITTEST_OBJS) $(API_TEST_OBJS) $(COMMON_UNITTEST_OBJS)  $(CODEC_UNITTEST_DEPS)
	$(QUIET)rm -f $@
	$(QUIET_CXX)$(CXX) $(SHARED) $(CXX_LINK_O) $+ $(LDFLAGS) $(CODEC_UNITTEST_LDFLAGS)

binaries: codec_unittest$(EXEEXT)
BINARIES += codec_unittest$(EXEEXT)

ifeq (ios,$(OS))
codec_unittest$(EXEEXT): $(LIBPREFIX)ut.$(LIBSUFFIX) $(LIBPREFIX)gtest.$(LIBSUFFIX) $(LIBPREFIX)$(PROJECT_NAME).$(LIBSUFFIX)

else
ifeq (android,$(OS))
ifeq (./,$(SRC_PATH))
codec_unittest$(EXEEXT): $(LIBPREFIX)ut.$(SHAREDLIBSUFFIX)
	cd ./test/build/android && $(NDKROOT)/ndk-build -B APP_ABI=$(APP_ABI) && android update project -t $(TARGET) -p . && ant debug

clean_Android: clean_Android_ut
clean_Android_ut:
	-cd ./test/build/android && $(NDKROOT)/ndk-build APP_ABI=$(APP_ABI) clean && ant clean

else
codec_unittest$(EXEEXT):
	@:
endif
else
codec_unittest$(EXEEXT): $(DECODER_UNITTEST_OBJS) $(ENCODER_UNITTEST_OBJS) $(PROCESSING_UNITTEST_OBJS) $(API_TEST_OBJS) $(COMMON_UNITTEST_OBJS) $(CODEC_UNITTEST_DEPS) | res
	$(QUIET)rm -f $@
	$(QUIET_CXX)$(CXX) $(CXX_LINK_O) $+ $(CODEC_UNITTEST_LDFLAGS) $(LDFLAGS)

res:
	$(QUIET)if [ ! -e res ]; then ln -s $(SRC_PATH)res .; fi

endif
endif

else
binaries:
	@:
endif

-include $(OBJS:.$(OBJ)=.d)

OBJDIRS = $(sort $(dir $(OBJS)))

$(OBJDIRS):
	$(QUIET)mkdir -p $@

$(OBJS): | $(OBJDIRS)
