fork of https://bellard.org/bpg/ Better Portable Graphics format including working WASM (WebAssembly) build.
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# libbpg Makefile
#
# Compile options:
#
# Enable compilation of Javascript decoder with Emscripten
USE_EMCC=y
# Enable x265 for the encoder
USE_X265=y
# Enable the JCTVC code (best quality but slow) for the encoder
#USE_JCTVC=y
# Compile bpgview (SDL and SDL_image libraries needed)
#USE_BPGVIEW=y
# Enable it to use bit depths > 12 (need more tests to validate encoder)
#USE_JCTVC_HIGH_BIT_DEPTH=y
# Enable the cross compilation for Windows
#CONFIG_WIN32=y
# Enable for compilation on MacOS X
#CONFIG_APPLE=y
# Installation prefix
prefix=/usr/local
#################################
ifdef CONFIG_WIN32
CROSS_PREFIX:=x86_64-w64-mingw32-
#CROSS_PREFIX=i686-w64-mingw32-
EXE:=.exe
else
CROSS_PREFIX:=
EXE:=
endif
CC=$(CROSS_PREFIX)gcc
CXX=$(CROSS_PREFIX)g++
AR=$(CROSS_PREFIX)ar
EMCC=emcc
MAKE=make
PWD:=$(shell pwd)
CFLAGS:=-Os -Wall -MMD -fno-asynchronous-unwind-tables -fdata-sections -ffunction-sections -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -fomit-frame-pointer
CFLAGS+=-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_REENTRANT
CFLAGS+=-I.
CFLAGS+=-DCONFIG_BPG_VERSION=\"$(shell cat VERSION)\"
ifdef USE_JCTVC_HIGH_BIT_DEPTH
CFLAGS+=-DRExt__HIGH_BIT_DEPTH_SUPPORT
endif
# Emscriptem config
EMLDFLAGS:=-s "EXPORTED_FUNCTIONS=['_bpg_decoder_open','_bpg_decoder_decode','_bpg_decoder_get_info','_bpg_decoder_start','_bpg_decoder_get_frame_duration','_bpg_decoder_get_line','_bpg_decoder_close','_malloc','_free']"
EMLDFLAGS+=-s NO_FILESYSTEM=1 -s 'EXPORTED_RUNTIME_METHODS=["cwrap"]'
#EMLDFLAGS+=-O1 --pre-js pre.js --post-js post.js
# Note: the closure compiler is disabled because it adds unwanted global symbols
EMLDFLAGS+=-Oz --memory-init-file 0 --closure 0 --pre-js pre.js --post-js post.js
EMCFLAGS:=$(CFLAGS)
LDFLAGS=-g
ifdef CONFIG_APPLE
LDFLAGS+=-Wl,-dead_strip
else
LDFLAGS+=-Wl,--gc-sections
endif
CFLAGS+=-g
CXXFLAGS=$(CFLAGS)
PROGS=bpgdec$(EXE) bpgenc$(EXE)
ifdef USE_BPGVIEW
PROGS+=bpgview$(EXE)
endif
ifdef USE_EMCC
PROGS+=bpgdec.js bpgdec8.js bpgdec8a.js
endif
all: $(PROGS)
LIBBPG_OBJS:=$(addprefix libavcodec/, \
hevc_cabac.o hevc_filter.o hevc.o hevcpred.o hevc_refs.o\
hevcdsp.o hevc_mvs.o hevc_ps.o hevc_sei.o\
utils.o cabac.o golomb.o videodsp.o )
LIBBPG_OBJS+=$(addprefix libavutil/, mem.o buffer.o log2_tab.o frame.o pixdesc.o md5.o )
LIBBPG_OBJS+=libbpg.o
LIBBPG_JS_OBJS:=$(patsubst %.o, %.js.o, $(LIBBPG_OBJS)) tmalloc.js.o
LIBBPG_JS8_OBJS:=$(patsubst %.o, %.js8.o, $(LIBBPG_OBJS)) tmalloc.js8.o
LIBBPG_JS8A_OBJS:=$(patsubst %.o, %.js8a.o, $(LIBBPG_OBJS)) tmalloc.js8a.o
$(LIBBPG_OBJS): CFLAGS+=-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DHAVE_AV_CONFIG_H -std=c99 -D_GNU_SOURCE=1 -DUSE_VAR_BIT_DEPTH -DUSE_PRED
$(LIBBPG_JS_OBJS): EMCFLAGS+=-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DHAVE_AV_CONFIG_H -std=c99 -D_GNU_SOURCE=1 -DUSE_VAR_BIT_DEPTH
$(LIBBPG_JS8_OBJS): EMCFLAGS+=-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DHAVE_AV_CONFIG_H -std=c99 -D_GNU_SOURCE=1
$(LIBBPG_JS8A_OBJS): EMCFLAGS+=-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DHAVE_AV_CONFIG_H -std=c99 -D_GNU_SOURCE=1 -DUSE_PRED
BPGENC_OBJS:=bpgenc.o
BPGENC_LIBS:=
ifdef USE_X265
X265_LIBS:=./x265.out/8bit/libx265.a ./x265.out/10bit/libx265.a ./x265.out/12bit/libx265.a
BPGENC_OBJS+=x265_glue.o $(X265_LIBS)
bpgenc.o: CFLAGS+=-DUSE_X265
x265_glue.o: CFLAGS+=-I./x265/source -I./x265.out/8bit
x265_glue.o: $(X265_LIBS)
ifdef CONFIG_WIN32
CMAKE_OPTS:=-DCMAKE_TOOLCHAIN_FILE=../../x265/build/msys/toolchain-x86_64-w64-mingw32.cmake
else
CMAKE_OPTS:=
endif
x265.out:
mkdir -p x265.out/8bit x265.out/10bit x265.out/12bit
cd x265.out/12bit && cmake ../../x265/source $(CMAKE_OPTS) -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN12=ON
cd x265.out/10bit && cmake ../../x265/source $(CMAKE_OPTS) -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN10=ON
cd x265.out/8bit && cmake ../../x265/source $(CMAKE_OPTS) -DLINKED_10BIT=ON -DLINKED_12BIT=ON -DENABLE_SHARED=OFF -DENABLE_CLI=OFF
# use this target to manually rebuild x265
x265_make: | x265.out
$(MAKE) -C x265.out/12bit
$(MAKE) -C x265.out/10bit
$(MAKE) -C x265.out/8bit
x265_clean:
rm -rf x265.out
$(X265_LIBS): x265_make
else
x265_clean:
endif # USE_X265
ifdef USE_JCTVC
JCTVC_OBJS=$(addprefix jctvc/TLibEncoder/, SyntaxElementWriter.o TEncSbac.o \
TEncBinCoderCABACCounter.o TEncGOP.o\
TEncSampleAdaptiveOffset.o TEncBinCoderCABAC.o TEncAnalyze.o\
TEncEntropy.o TEncTop.o SEIwrite.o TEncPic.o TEncRateCtrl.o\
WeightPredAnalysis.o TEncSlice.o TEncCu.o NALwrite.o TEncCavlc.o\
TEncSearch.o TEncPreanalyzer.o)
JCTVC_OBJS+=jctvc/TLibVideoIO/TVideoIOYuv.o
JCTVC_OBJS+=$(addprefix jctvc/TLibCommon/, TComWeightPrediction.o TComLoopFilter.o\
TComBitStream.o TComMotionInfo.o TComSlice.o ContextModel3DBuffer.o\
TComPic.o TComRdCostWeightPrediction.o TComTU.o TComPicSym.o\
TComPicYuv.o TComYuv.o TComTrQuant.o TComInterpolationFilter.o\
ContextModel.o TComSampleAdaptiveOffset.o SEI.o TComPrediction.o\
TComDataCU.o TComChromaFormat.o Debug.o TComRom.o\
TComPicYuvMD5.o TComRdCost.o TComPattern.o TComCABACTables.o)
JCTVC_OBJS+=jctvc/libmd5/libmd5.o
JCTVC_OBJS+=jctvc/TAppEncCfg.o jctvc/TAppEncTop.o jctvc/program_options_lite.o
$(JCTVC_OBJS) jctvc_glue.o: CFLAGS+=-I$(PWD)/jctvc -Wno-sign-compare
jctvc/libjctvc.a: $(JCTVC_OBJS)
$(AR) rcs $@ $^
BPGENC_OBJS+=jctvc_glue.o jctvc/libjctvc.a
bpgenc.o: CFLAGS+=-DUSE_JCTVC
endif # USE_JCTVC
ifdef CONFIG_WIN32
BPGDEC_LIBS:=-lpng -lz
BPGENC_LIBS+=-lpng -ljpeg -lz
BPGVIEW_LIBS:=-lmingw32 -lSDLmain -lSDL_image -lSDL -mwindows
else
ifdef CONFIG_APPLE
LIBS:=
else
LIBS:=-lrt
endif # !CONFIG_APPLE
LIBS+=-lm -lpthread
BPGDEC_LIBS:=-lpng $(LIBS)
BPGENC_LIBS+=-lpng -ljpeg $(LIBS)
BPGVIEW_LIBS:=-lSDL_image -lSDL $(LIBS)
endif #!CONFIG_WIN32
bpgenc.o: CFLAGS+=-Wno-unused-but-set-variable
libbpg.a: $(LIBBPG_OBJS)
$(AR) rcs $@ $^
bpgdec$(EXE): bpgdec.o libbpg.a
$(CC) $(LDFLAGS) -o $@ $^ $(BPGDEC_LIBS)
bpgenc$(EXE): $(BPGENC_OBJS)
$(CXX) $(LDFLAGS) -o $@ $^ $(BPGENC_LIBS)
bpgview$(EXE): bpgview.o libbpg.a
$(CC) $(LDFLAGS) -o $@ $^ $(BPGVIEW_LIBS)
bpgdec.js: $(LIBBPG_JS_OBJS) post.js
$(EMCC) $(EMLDFLAGS) -s TOTAL_MEMORY=33554432 -o $@ $(LIBBPG_JS_OBJS)
bpgdec8.js: $(LIBBPG_JS8_OBJS) post.js
$(EMCC) $(EMLDFLAGS) -s TOTAL_MEMORY=33554432 -o $@ $(LIBBPG_JS8_OBJS)
bpgdec8a.js: $(LIBBPG_JS8A_OBJS) post.js
$(EMCC) $(EMLDFLAGS) -s TOTAL_MEMORY=33554432 -o $@ $(LIBBPG_JS8A_OBJS)
size:
strip bpgdec
size bpgdec libbpg.o libavcodec/*.o libavutil/*.o | sort -n
gzip < bpgdec | wc
install: bpgenc bpgdec
install -s -m 755 $^ $(prefix)/bin
CLEAN_DIRS=doc html libavcodec libavutil \
jctvc jctvc/TLibEncoder jctvc/TLibVideoIO jctvc/TLibCommon jctvc/libmd5
clean: x265_clean
rm -f $(PROGS) *.o *.a *.d *~ $(addsuffix /*.o, $(CLEAN_DIRS)) \
$(addsuffix /*.d, $(CLEAN_DIRS)) $(addsuffix /*~, $(CLEAN_DIRS)) \
$(addsuffix /*.a, $(CLEAN_DIRS))
%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
%.o: %.cpp
$(CXX) $(CXXFLAGS) -c -o $@ $<
%.js.o: %.c
$(EMCC) $(EMCFLAGS) -c -o $@ $<
%.js8.o: %.c
$(EMCC) $(EMCFLAGS) -c -o $@ $<
%.js8a.o: %.c
$(EMCC) $(EMCFLAGS) -c -o $@ $<
-include $(wildcard *.d)
-include $(wildcard libavcodec/*.d)
-include $(wildcard libavutil/*.d)
-include $(wildcard jctvc/*.d)
-include $(wildcard jctvc/TLibEncoder/*.d)
-include $(wildcard jctvc/TLibVideoIO/*.d)
-include $(wildcard jctvc/TLibCommon/*.d)
-include $(wildcard jctvc/libmd5/*.d)