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Makefile.m4
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Makefile.m4
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changequote(`[[[', `]]]')
# NOTE: This file is generated by m4! Make sure you're editing the .m4 version,
# not the generated version!
FFMPEG_VERSION_MAJOR=7
FFMPEG_VERSION_MINREV=0.2
FFMPEG_VERSION=$(FFMPEG_VERSION_MAJOR).$(FFMPEG_VERSION_MINREV)
LIBAVJS_VERSION_SUFFIX=
LIBAVJS_VERSION_BASE=5.4
LIBAVJS_VERSION=$(LIBAVJS_VERSION_BASE).$(FFMPEG_VERSION)$(LIBAVJS_VERSION_SUFFIX)
LIBAVJS_VERSION_SHORT=$(LIBAVJS_VERSION_BASE).$(FFMPEG_VERSION_MAJOR)
EMCC=emcc
MINIFIER=node_modules/.bin/terser
OPTFLAGS=-Oz
NOTHRFLAGS=-Lbuild/inst/base/lib -lemfiberthreads
THRFLAGS=-pthread
ES6FLAGS=-sEXPORT_ES6=1 -sUSE_ES6_IMPORT_META=1
EFLAGS=\
`tools/memory-init-file-emcc.sh` \
--pre-js pre.js \
--post-js build/post.js --extern-post-js extern-post.js \
-s "EXPORT_NAME='LibAVFactory'" \
-s "EXPORTED_FUNCTIONS=@build/exports.json" \
-s "EXPORTED_RUNTIME_METHODS=['ccall', 'cwrap', 'PThread']" \
-s MODULARIZE=1 \
-s STACK_SIZE=1048576 \
-s ASYNCIFY \
-s "ASYNCIFY_IMPORTS=['libavjs_wait_reader']" \
-s INITIAL_MEMORY=25165824 \
-s ALLOW_MEMORY_GROWTH=1
# For debugging:
#EFLAGS+=\
# -s ASSERTIONS=2 \
# -s STACK_OVERFLOW_CHECK=2 \
# -s MALLOC=emmalloc-memvalidate \
# -s SAFE_HEAP=1
all: build-default
include mk/*.mk
build-%: \
dist/libav-$(LIBAVJS_VERSION)-%.js \
dist/libav-%.js \
dist/libav-$(LIBAVJS_VERSION)-%.mjs \
dist/libav-%.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.js \
dist/libav-%.dbg.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.mjs \
dist/libav-%.dbg.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.asm.js \
dist/libav-$(LIBAVJS_VERSION)-%.asm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.asm.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.asm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.wasm.js \
dist/libav-$(LIBAVJS_VERSION)-%.wasm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.wasm.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.wasm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.thr.js \
dist/libav-$(LIBAVJS_VERSION)-%.thr.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.thr.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.thr.mjs \
dist/libav.types.d.ts
true
# Generic rule for frontend builds
# Use: febuildrule(debug infix, target extension, minifier)
define([[[febuildrule]]], [[[
dist/libav-$(LIBAVJS_VERSION)-%$1.$2: build/libav-$(LIBAVJS_VERSION).$2 \
dist/libav-$(LIBAVJS_VERSION)-%$1.wasm.$2 \
node_modules/.bin/terser
mkdir -p dist
sed "s/@CONFIG/$(*)/g ; s/@DBG/$1/g" < $< | $3 > $(@)
dist/libav-%$1.$2: dist/libav-$(LIBAVJS_VERSION)-%$1.$2
cp $(<) $(@)
]]])
febuildrule([[[]]], js, [[[$(MINIFIER)]]])
febuildrule([[[]]], mjs, [[[$(MINIFIER)]]])
febuildrule(.dbg, js, cat)
febuildrule(.dbg, mjs, cat)
dist/libav.types.d.ts: build/libav.types.d.ts
mkdir -p dist
cp $< $@
# Link rule that checks for a library's existence before linking it
# Use: linkfflib(library name, target inst name)
define([[[linkfflib]]], [[[ \
`test ! -e build/ffmpeg-$(FFMPEG_VERSION)/build-$2-$(*)/lib$1/lib$1.a || echo ' \
-Lbuild/ffmpeg-$(FFMPEG_VERSION)/build-$2-$(*)/lib$1 -l$1 \
'` \
]]])
# General build rule for any target
# Use: buildrule(target file name, debug infix, target inst name, extra link flags, target file suffix)
define([[[buildrule]]], [[[
dist/libav-$(LIBAVJS_VERSION)-%.$2$1.$5: build/ffmpeg-$(FFMPEG_VERSION)/build-$3-%/libavformat/libavformat.a \
build/exports.json pre.js build/post.js extern-post.js bindings.c
mkdir -p $(@).d
$(EMCC) $(OPTFLAGS) $(EFLAGS) \
-Ibuild/ffmpeg-$(FFMPEG_VERSION) -Ibuild/ffmpeg-$(FFMPEG_VERSION)/build-$3-$(*) \
`test ! -e configs/configs/$(*)/link-flags.txt || cat configs/configs/$(*)/link-flags.txt` \
bindings.c \
`grep LIBAVJS_WITH_CLI configs/configs/$(*)/link-flags.txt > /dev/null 2>&1 && echo ' \
build/ffmpeg-$(FFMPEG_VERSION)/build-$3-$(*)/fftools/*.o \
-Lbuild/ffmpeg-$(FFMPEG_VERSION)/build-$3-$(*)/libavdevice -lavdevice \
'` \
linkfflib(avutil, $3) \
linkfflib(avformat, $3) \
linkfflib(avcodec, $3) \
linkfflib(avfilter, $3) \
linkfflib(swresample, $3) \
linkfflib(swscale, $3) \
linkfflib(foob, $3) \
`test ! -e configs/configs/$(*)/libs.txt || sed 's/@TARGET/$3/' configs/configs/$(*)/libs.txt` \
$4 \
-o $(@).d/libav-$(LIBAVJS_VERSION)-$(*).$2$1.$5
if [ -e $(@).d/libav-$(LIBAVJS_VERSION)-$(*).$2$1.wasm.map ] ; then \
./tools/adjust-sourcemap.js $(@).d/libav-$(LIBAVJS_VERSION)-$(*).$2$1.wasm.map \
ffmpeg $(FFMPEG_VERSION) \
libvpx $(LIBVPX_VERSION) \
libaom $(LIBAOM_VERSION); \
fi || ( rm -f $(@) ; false )
sed " \
s/^\/\/.*include:.*// ; \
s/@VER/$(LIBAVJS_VERSION)/g ; \
s/@VARIANT/$(*)/g ; \
s/@TARGET/$1/g ; \
s/@DBG/$2/g ; \
s/@JS/$5/g \
" $(@).d/libav-$(LIBAVJS_VERSION)-$(*).$2$1.$5 | cat configs/configs/$(*)/license.js - > $(@)
rm -f $(@).d/libav-$(LIBAVJS_VERSION)-$(*).$2$1.$5
-chmod a-x $(@).d/*.wasm
-mv $(@).d/* dist/
rmdir $(@).d
]]])
# asm.js version
buildrule(asm, [[[]]], base, [[[$(NOTHRFLAGS) -s WASM=0]]], js)
buildrule(asm, [[[]]], base, [[[$(NOTHRFLAGS) $(ES6FLAGS) -s WASM=0]]], mjs)
buildrule(asm, dbg., base, [[[$(NOTHRFLAGS) -g2 -s WASM=0]]], js)
buildrule(asm, dbg., base, [[[$(NOTHRFLAGS) -g2 $(ES6FLAGS) -s WASM=0]]], mjs)
# wasm version with no added features
buildrule(wasm, [[[]]], base, [[[$(NOTHRFLAGS)]]], js)
buildrule(wasm, [[[]]], base, [[[$(NOTHRFLAGS) $(ES6FLAGS)]]], mjs)
buildrule(wasm, dbg., base, [[[$(NOTHRFLAGS) -gsource-map]]], js)
buildrule(wasm, dbg., base, [[[$(NOTHRFLAGS) -gsource-map $(ES6FLAGS)]]], mjs)
# wasm + threads
buildrule(thr, [[[]]], thr, [[[$(THRFLAGS) -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency]]], js)
buildrule(thr, [[[]]], thr, [[[$(ES6FLAGS) $(THRFLAGS) -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency]]], mjs)
buildrule(thr, dbg., thr, [[[-gsource-map $(THRFLAGS) -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency]]], js)
buildrule(thr, dbg., thr, [[[-gsource-map $(ES6FLAGS) $(THRFLAGS) -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency]]], mjs)
build/libav-$(LIBAVJS_VERSION).js: libav.in.js post.in.js funcs.json tools/apply-funcs.js
mkdir -p build dist
./tools/apply-funcs.js $(LIBAVJS_VERSION)
build/libav.types.d.ts build/libav-$(LIBAVJS_VERSION).mjs build/exports.json build/post.js: build/libav-$(LIBAVJS_VERSION).js
touch $@
node_modules/.bin/terser:
npm install
# Targets
build/inst/base/cflags.txt:
mkdir -p build/inst/base
echo -gsource-map > $@
build/inst/thr/cflags.txt:
mkdir -p build/inst/thr
echo $(THRFLAGS) -gsource-map > $@
RELEASE_VARIANTS=\
default default-cli opus opus-af flac flac-af wav wav-af obsolete webm \
webm-cli webm-vp9 webm-vp9-cli vp8-opus vp8-opus-avf vp9-opus \
vp9-opus-avf av1-opus av1-opus-avf webcodecs webcodecs-avf
release: extract
mkdir -p dist/release
mkdir dist/release/libav.js-$(LIBAVJS_VERSION)
cp -a README.md docs dist/release/libav.js-$(LIBAVJS_VERSION)/
mkdir dist/release/libav.js-$(LIBAVJS_VERSION)/dist
for v in $(RELEASE_VARIANTS); \
do \
$(MAKE) build-$$v; \
$(MAKE) release-$$v; \
cp dist/libav-$(LIBAVJS_VERSION)-$$v.* \
dist/libav-$$v.* \
dist/release/libav.js-$(LIBAVJS_VERSION)/dist; \
done
cp dist/libav.types.d.ts dist/release/libav.js-$(LIBAVJS_VERSION)/dist/
mkdir dist/release/libav.js-$(LIBAVJS_VERSION)/sources
for t in ffmpeg emfiberthreads lame libaom libogg libvorbis libvpx opus zlib; \
do \
$(MAKE) $$t-release; \
done
git archive HEAD -o dist/release/libav.js-$(LIBAVJS_VERSION)/sources/libav.js.tar
xz dist/release/libav.js-$(LIBAVJS_VERSION)/sources/libav.js.tar
cd dist/release && zip -r libav.js-$(LIBAVJS_VERSION).zip libav.js-$(LIBAVJS_VERSION)
rm -rf dist/release/libav.js-$(LIBAVJS_VERSION)
release-%: dist/release/libav.js-$(LIBAVJS_VERSION)-%
true
dist/release/libav.js-$(LIBAVJS_VERSION)-%: build-%
mkdir -p $(@)/dist
cp dist/libav-$(LIBAVJS_VERSION)-$(*).* \
dist/libav-$(*).* \
dist/libav.types.d.ts \
$(@)/dist
rm -f $(@)/dist/*.dbg.*
sed 's/@VARIANT/$(*)/g ; s/@VERSION/$(LIBAVJS_VERSION)/g ; s/@VER/$(LIBAVJS_VERSION_SHORT)/g' \
package-one-variant.json > $(@)/package.json
npm-publish:
cd dist/release && unzip libav.js-$(LIBAVJS_VERSION).zip
cd dist/release/libav.js-$(LIBAVJS_VERSION) && \
cp ../../../package.json . && \
rm -f dist/*.dbg.* dist/*-av1* dist/*-vp9* dist/*.asm.mjs && \
npm publish
rm -rf dist/release/libav.js-$(LIBAVJS_VERSION)
for v in $(RELEASE_VARIANTS); \
do \
( cd dist/release/libav.js-$(LIBAVJS_VERSION)-$$v && npm publish --access=public ) \
done
halfclean:
-rm -rf dist/
-rm -f build/exports.json build/libav-$(LIBAVJS_VERSION).js build/post.js
clean: halfclean
-rm -rf build/inst
-rm -rf build/emfiberthreads-$(EMFT_VERSION)
-rm -rf build/opus-$(OPUS_VERSION)
-rm -rf build/libaom-$(LIBAOM_VERSION)
-rm -rf build/libvorbis-$(LIBVORBIS_VERSION)
-rm -rf build/libogg-$(LIBOGG_VERSION)
-rm -rf build/libvpx-$(LIBVPX_VERSION)
-rm -rf build/lame-$(LAME_VERSION)
-rm -rf build/openh264-$(OPENH264_VERSION)
-rm -rf build/ffmpeg-$(FFMPEG_VERSION)
-rm -rf build/zlib-$(ZLIB_VERSION)
distclean: clean
-rm -rf build/
print-version:
@printf '%s\n' "$(LIBAVJS_VERSION)"
.PRECIOUS: \
build/ffmpeg-$(FFMPEG_VERSION)/build-%/libavformat/libavformat.a \
dist/libav.types.d.ts \
dist/libav-$(LIBAVJS_VERSION)-%.js \
dist/libav-%.js \
dist/libav-$(LIBAVJS_VERSION)-%.mjs \
dist/libav-%.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.js \
dist/libav-%.dbg.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.mjs \
dist/libav-%.dbg.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.asm.js \
dist/libav-$(LIBAVJS_VERSION)-%.asm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.asm.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.asm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.wasm.js \
dist/libav-$(LIBAVJS_VERSION)-%.wasm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.wasm.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.wasm.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.thr.js \
dist/libav-$(LIBAVJS_VERSION)-%.thr.mjs \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.thr.js \
dist/libav-$(LIBAVJS_VERSION)-%.dbg.thr.mjs