include config.mak

vpath %.c    $(SRC_PATH)
vpath %.h    $(SRC_PATH)
vpath %.S    $(SRC_PATH)
vpath %.asm  $(SRC_PATH)
vpath %.v    $(SRC_PATH)
vpath %.texi $(SRC_PATH)

ifndef V
Q      = @
ECHO   = printf "$(1)\t%s\n" $(2)
BRIEF  = CC HOSTCC HOSTLD AS YASM AR LD
SILENT = DEPCC DEPHOSTCC DEPAS DEPYASM RANLIB RM STRIP
MSG    = $@
M      = @$(call ECHO,$(TAG),$@);
$(foreach VAR,$(BRIEF), \
    $(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
$(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
$(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_PATH)/%=%)); $(INSTALL))
endif

ALLFFLIBS = avcodec avdevice avfilter avformat avresample avutil swscale

IFLAGS     := -I. -I$(SRC_PATH)
CPPFLAGS   := $(IFLAGS) $(CPPFLAGS)
CFLAGS     += $(ECFLAGS)
CCFLAGS     = $(CPPFLAGS) $(CFLAGS)
ASFLAGS    := $(CPPFLAGS) $(ASFLAGS)
YASMFLAGS  += $(IFLAGS:%=%/) -Pconfig.asm
HOSTCCFLAGS = $(IFLAGS) $(HOSTCPPFLAGS) $(HOSTCFLAGS)
LDFLAGS    := $(ALLFFLIBS:%=$(LD_PATH)lib%) $(LDFLAGS)

define COMPILE
	$(call $(1)DEP,$(1))
	$($(1)) $($(1)FLAGS) $($(1)_DEPFLAGS) $($(1)_C) $($(1)_O) $<
endef

COMPILE_C = $(call COMPILE,CC)
COMPILE_S = $(call COMPILE,AS)
COMPILE_HOSTC = $(call COMPILE,HOSTCC)

%.o: %.c
	$(COMPILE_C)

%.o: %.S
	$(COMPILE_S)

%_host.o: %.c
	$(COMPILE_HOSTC)

%.i: %.c
	$(CC) $(CCFLAGS) $(CC_E) $<

%.h.c:
	$(Q)echo '#include "$*.h"' >$@

%.ver: %.v
	$(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@

%.c %.h: TAG = GEN

AVPROGS-$(CONFIG_AVCONV)   += avconv
AVPROGS-$(CONFIG_AVPLAY)   += avplay
AVPROGS-$(CONFIG_AVPROBE)  += avprobe

AVPROGS    := $(AVPROGS-yes:%=%$(EXESUF))
PROGS      += $(AVPROGS)

AVBASENAMES = avconv avplay avprobe
ALLAVPROGS  = $(AVBASENAMES:%=%$(EXESUF))

$(foreach prog,$(AVBASENAMES),$(eval OBJS-$(prog) += cmdutils.o))

OBJS-avconv                   += avconv_opt.o avconv_filter.o
OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_vdpau.o
OBJS-avconv-$(HAVE_DXVA2_LIB) += avconv_dxva2.o
OBJS-avconv-$(CONFIG_VDA)     += avconv_vda.o

TESTTOOLS   = audiogen videogen rotozoom tiny_psnr base64
HOSTPROGS  := $(TESTTOOLS:%=tests/%) doc/print_options
TOOLS       = qt-faststart trasher
TOOLS-$(CONFIG_ZLIB) += cws2fws

# $(FFLIBS-yes) needs to be in linking order
FFLIBS-$(CONFIG_AVDEVICE)   += avdevice
FFLIBS-$(CONFIG_AVFILTER)   += avfilter
FFLIBS-$(CONFIG_AVFORMAT)   += avformat
FFLIBS-$(CONFIG_AVCODEC)    += avcodec
FFLIBS-$(CONFIG_AVRESAMPLE) += avresample
FFLIBS-$(CONFIG_SWSCALE)    += swscale

FFLIBS := avutil

DATA_FILES := $(wildcard $(SRC_PATH)/presets/*.avpreset)

SKIPHEADERS = cmdutils_common_opts.h compat/w32pthreads.h

include $(SRC_PATH)/common.mak

FF_EXTRALIBS := $(FFEXTRALIBS)
FF_DEP_LIBS  := $(DEP_LIBS)

all: $(AVPROGS)

$(TOOLS): %$(EXESUF): %.o $(EXEOBJS)
	$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $^ $(ELIBS)

tools/cws2fws$(EXESUF): ELIBS = $(ZLIB)

config.h: .config
.config: $(wildcard $(FFLIBS:%=$(SRC_PATH)/lib%/all*.c))
	@-tput bold 2>/dev/null
	@-printf '\nWARNING: $(?F) newer than config.h, rerun configure\n\n'
	@-tput sgr0 2>/dev/null

SUBDIR_VARS := CLEANFILES EXAMPLES FFLIBS HOSTPROGS TESTPROGS TOOLS      \
               HEADERS ARCH_HEADERS BUILT_HEADERS SKIPHEADERS            \
               ARMV5TE-OBJS ARMV6-OBJS ARMV8-OBJS VFP-OBJS NEON-OBJS     \
               ALTIVEC-OBJS MMX-OBJS YASM-OBJS                           \
               OBJS HOSTOBJS TESTOBJS

define RESET
$(1) :=
$(1)-yes :=
endef

define DOSUBDIR
$(foreach V,$(SUBDIR_VARS),$(eval $(call RESET,$(V))))
SUBDIR := $(1)/
include $(SRC_PATH)/$(1)/Makefile
-include $(SRC_PATH)/$(1)/$(ARCH)/Makefile
-include $(SRC_PATH)/$(1)/$(INTRINSICS)/Makefile
include $(SRC_PATH)/library.mak
endef

$(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))

include $(SRC_PATH)/doc/Makefile

define DOPROG
OBJS-$(1) += $(1).o $(EXEOBJS) $(OBJS-$(1)-yes)
$(1)$(EXESUF): $$(OBJS-$(1))
$$(OBJS-$(1)): CFLAGS  += $(CFLAGS-$(1))
$(1)$(EXESUF): LDFLAGS += $(LDFLAGS-$(1))
$(1)$(EXESUF): FF_EXTRALIBS += $(LIBS-$(1))
-include $$(OBJS-$(1):.o=.d)
endef

$(foreach P,$(PROGS),$(eval $(call DOPROG,$(P:$(EXESUF)=))))

$(PROGS): %$(EXESUF): %.o $(FF_DEP_LIBS)
	$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $(OBJS-$*) $(FF_EXTRALIBS)

OBJDIRS += tools

-include $(wildcard tools/*.d)

VERSION_SH  = $(SRC_PATH)/version.sh
GIT_LOG     = $(SRC_PATH)/.git/logs/HEAD

.version: $(wildcard $(GIT_LOG)) $(VERSION_SH) config.mak
.version: M=@

version.h .version:
	$(M)$(VERSION_SH) $(SRC_PATH) version.h $(EXTRA_VERSION)
	$(Q)touch .version

# force version.sh to run whenever version might have changed
-include .version

ifdef AVPROGS
install: install-progs install-data
endif

install: install-libs install-headers

install-libs: install-libs-yes

install-progs-yes:
install-progs-$(CONFIG_SHARED): install-libs

install-progs: install-progs-yes $(AVPROGS)
	$(Q)mkdir -p "$(BINDIR)"
	$(INSTALL) -c -m 755 $(AVPROGS) "$(BINDIR)"

install-data: $(DATA_FILES)
	$(Q)mkdir -p "$(DATADIR)"
	$(INSTALL) -m 644 $(DATA_FILES) "$(DATADIR)"

uninstall: uninstall-libs uninstall-headers uninstall-progs uninstall-data

uninstall-progs:
	$(RM) $(addprefix "$(BINDIR)/", $(ALLAVPROGS))

uninstall-data:
	$(RM) -r "$(DATADIR)"

clean::
	$(RM) $(ALLAVPROGS)
	$(RM) $(CLEANSUFFIXES)
	$(RM) $(CLEANSUFFIXES:%=tools/%)
	$(RM) -rf coverage.info lcov

distclean::
	$(RM) $(DISTCLEANSUFFIXES)
	$(RM) config.* .config libavutil/avconfig.h .version version.h

config:
	$(SRC_PATH)/configure $(value LIBAV_CONFIGURATION)

check: all alltools checkheaders examples testprogs fate

include $(SRC_PATH)/tests/Makefile

$(sort $(OBJDIRS)):
	$(Q)mkdir -p $@

# Dummy rule to stop make trying to rebuild removed or renamed headers
%.h:
	@:

# Disable suffix rules.  Most of the builtin rules are suffix rules,
# so this saves some time on slow systems.
.SUFFIXES:

.PHONY: all all-yes alltools check *clean config examples install*
.PHONY: testprogs uninstall*
