1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
#!/bin/bash
set -e
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
if [[ $# -ne 1 ]] ; then
echo "Usage: $0 SRCDIR"
echo
echo "It is recommended to build in a separate directory."
echo "Then specify this directory as an argument to this script."
echo "Example:"
echo " mkdir buildjs"
echo " cd buildjs"
echo " USE_WASM=0 ../build-emscripten.sh .."
echo
echo "This should generate a libheif.js and (optionally, without the USE_WASM=0) a libheif.wasm"
exit 5
fi
SRCDIR=$1
CORES="${CORES:-`nproc --all`}"
ENABLE_LIBDE265="${ENABLE_LIBDE265:-1}"
LIBDE265_VERSION="${LIBDE265_VERSION:-1.0.15}"
ENABLE_AOM="${ENABLE_AOM:-0}"
AOM_VERSION="${AOM_VERSION:-3.6.1}"
# Webcodecs is not on by default b/c asyncify increases the binary size considerably
ENABLE_WEBCODECS="${ENABLE_WEBCODECS:-0}"
ENABLE_UNCOMPRESSED="${ENABLE_UNCOMPRESSED:-0}"
# J2K still defunct. OpenJPEG compiles, but library is not picked up by libheif cmake.
ENABLE_OPENJPEG="${ENABLE_OPENJPEG:-0}"
OPENJPEG_VERSION="${OPENJPEG_VERSION:-2.5.4}"
STANDALONE="${STANDALONE:-0}"
DEBUG="${DEBUG:-0}"
USE_ES6="${USE_ES6:-0}"
USE_WASM="${USE_WASM:-1}"
USE_TYPESCRIPT="${USE_TYPESCRIPT:-1}"
USE_UNSAFE_EVAL="${USE_UNSAFE_EVAL:-1}"
echo "Build using ${CORES} CPU cores"
LIBRARY_LINKER_FLAGS=""
LIBRARY_INCLUDE_FLAGS=""
CONFIGURE_ARGS_LIBDE265=""
if [ "$ENABLE_LIBDE265" = "1" ]; then
[ -s "libde265-${LIBDE265_VERSION}.tar.gz" ] || curl \
-L \
-o libde265-${LIBDE265_VERSION}.tar.gz \
https://github.com/strukturag/libde265/releases/download/v${LIBDE265_VERSION}/libde265-${LIBDE265_VERSION}.tar.gz
if [ ! -s "libde265-${LIBDE265_VERSION}/libde265/.libs/libde265.a" ]; then
tar xf libde265-${LIBDE265_VERSION}.tar.gz
cd libde265-${LIBDE265_VERSION}
[ -x configure ] || ./autogen.sh
CXXFLAGS=-O3 emconfigure ./configure --enable-static --disable-shared --disable-sse --disable-dec265 --disable-sherlock265
emmake make -j${CORES}
cd ..
fi
LIBDE265_DIR="$(pwd)/libde265-${LIBDE265_VERSION}"
CONFIGURE_ARGS_LIBDE265="-DLIBDE265_INCLUDE_DIR=${LIBDE265_DIR} -DLIBDE265_LIBRARY=-L${LIBDE265_DIR}/libde265/.libs"
LIBRARY_LINKER_FLAGS="$LIBRARY_LINKER_FLAGS -L${LIBDE265_DIR}/libde265/.libs -lde265"
fi
CONFIGURE_ARGS_AOM=""
if [ "$ENABLE_AOM" = "1" ]; then
[ -s "aom-${AOM_VERSION}.tar.gz" ] || curl \
-L \
-o aom-${AOM_VERSION}.tar.gz \
"https://aomedia.googlesource.com/aom/+archive/v${AOM_VERSION}.tar.gz"
if [ ! -s "aom-${AOM_VERSION}/libaom.a" ]; then
mkdir -p aom-${AOM_VERSION}/aom-source
tar xf aom-${AOM_VERSION}.tar.gz -C aom-${AOM_VERSION}/aom-source
cd aom-${AOM_VERSION}
emcmake cmake aom-source \
-DENABLE_CCACHE=1 \
-DAOM_TARGET_CPU=generic \
-DENABLE_DOCS=0 \
-DENABLE_TESTS=0 \
-DENABLE_EXAMPLES=0 \
-DENABLE_TESTDATA=0 \
-DENABLE_TOOLS=0 \
-DCONFIG_MULTITHREAD=0 \
-DCONFIG_RUNTIME_CPU_DETECT=0 \
-DBUILD_SHARED_LIBS=0 \
-DCMAKE_BUILD_TYPE=Release
emmake make -j${CORES}
cd ..
fi
AOM_DIR="$(pwd)/aom-${AOM_VERSION}"
CONFIGURE_ARGS_AOM="-DAOM_INCLUDE_DIR=${AOM_DIR}/aom-source -DAOM_LIBRARY=-L${AOM_DIR}"
LIBRARY_LINKER_FLAGS="$LIBRARY_LINKER_FLAGS -L${AOM_DIR} -laom"
fi
CONFIGURE_ARGS_OPENJPEG=""
if [ "$ENABLE_OPENJPEG" = "1" ]; then
[ -s "openjpeg-${OPENJPEG__VERSION}.tar.gz" ] || curl \
-L \
-o openjpeg-${OPENJPEG_VERSION}.tar.gz \
"https://github.com/uclouvain/openjpeg/archive/refs/tags/v${OPENJPEG_VERSION}.tar.gz"
if [ ! -s "openjpeg-${OPENJPEG_VERSION}/bin/libopenjp2.a" ]; then
mkdir -p openjpeg-${OPENJPEG_VERSION}/openjpeg-source
tar xf openjpeg-${OPENJPEG_VERSION}.tar.gz -C openjpeg-${OPENJPEG_VERSION}/openjpeg-source
cd openjpeg-${OPENJPEG_VERSION}
emcmake cmake openjpeg-source/openjpeg-${OPENJPEG_VERSION} \
-DBUILD_SHARED_LIBS=0 \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=openjpeg-install
emmake make -j${CORES}
emmake make install -j${CORES}
cd ..
fi
J2K_DIR="$(pwd)/openjpeg-${OPENJPEG_VERSION}"
CONFIGURE_ARGS_OPENJPEG="-DWITH_OpenJPEG_DECODER=ON -DCMAKE_PREFIX_PATH=${J2K_DIR}/openjpeg-install -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=BOTH"
LIBRARY_LINKER_FLAGS="$LIBRARY_LINKER_FLAGS -L${J2K_DIR}/bin -lopenjp2"
fi
CONFIGURE_ARGS_WEBCODECS=""
if [ "$ENABLE_WEBCODECS" = "1" ]; then
CONFIGURE_ARGS_WEBCODECS="-DWITH_WEBCODECS=ON"
fi
CONFIGURE_ARGS_UNCOMPRESSED=""
if [ "$ENABLE_UNCOMPRESSED" = "1" ]; then
CONFIGURE_ARGS_UNCOMPRESSED="-DWITH_UNCOMPRESSED_CODEC=ON"
fi
EXTRA_EXE_LINKER_FLAGS="-lembind"
EXTRA_COMPILER_FLAGS=""
if [ "$STANDALONE" = "1" ]; then
EXTRA_EXE_LINKER_FLAGS=""
EXTRA_COMPILER_FLAGS="-D__EMSCRIPTEN_STANDALONE_WASM__=1"
fi
CONFIGURE_ARGS="-DENABLE_MULTITHREADING_SUPPORT=OFF -DWITH_GDK_PIXBUF=OFF -DWITH_EXAMPLES=OFF -DBUILD_SHARED_LIBS=OFF -DENABLE_PLUGIN_LOADING=OFF"
emcmake cmake ${SRCDIR} $CONFIGURE_ARGS \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_C_FLAGS="${EXTRA_COMPILER_FLAGS}" \
-DCMAKE_CXX_FLAGS="${EXTRA_COMPILER_FLAGS}" \
-DCMAKE_EXE_LINKER_FLAGS="${LIBRARY_LINKER_FLAGS} ${EXTRA_EXE_LINKER_FLAGS}" \
$CONFIGURE_ARGS_LIBDE265 \
$CONFIGURE_ARGS_AOM \
$CONFIGURE_ARGS_WEBCODECS \
$CONFIGURE_ARGS_UNCOMPRESSED \
$CONFIGURE_ARGS_OPENJPEG
VERBOSE=1 emmake make -j${CORES}
LIBHEIFA="libheif/libheif.a"
EXPORTED_FUNCTIONS=$($EMSDK/upstream/bin/llvm-nm $LIBHEIFA --format=just-symbols | grep "^heif_\|^de265_\|^aom_" | grep "[^:]$" | sed 's/^/_/' | paste -sd "," -)
echo "Running Emscripten..."
BUILD_FLAGS="-lembind -o libheif.js --post-js ${SRCDIR}/post.js -sWASM=$USE_WASM -sDYNAMIC_EXECUTION=$USE_UNSAFE_EVAL"
if [ "$ENABLE_WEBCODECS" = "1" ]; then
BUILD_FLAGS="$BUILD_FLAGS -sASYNCIFY -sASYNCIFY_IMPORTS=['decode_with_browser_hevc']"
fi
if [ "$USE_TYPESCRIPT" = "1" ]; then
BUILD_FLAGS="$BUILD_FLAGS --emit-tsd libheif.d.ts"
fi
RELEASE_BUILD_FLAGS="-O3"
if [ "$STANDALONE" = "1" ]; then
# Note: this intentionally overwrites the BUILD_FLAGS set above
echo "Building in standalone (non-web) build mode"
BUILD_FLAGS="-sSTANDALONE_WASM -sWASM -o libheif.wasm --no-entry"
fi
if [ "$DEBUG" = "1" ]; then
echo "Building in debug mode"
RELEASE_BUILD_FLAGS="--profile -g"
fi
if [ "$USE_ES6" = "1" ]; then
BUILD_FLAGS="$BUILD_FLAGS -sEXPORT_ES6"
fi
emcc -Wl,--whole-archive "$LIBHEIFA" -Wl,--no-whole-archive \
-sEXPORTED_FUNCTIONS="$EXPORTED_FUNCTIONS,_free,_malloc,_memcpy" \
-sMODULARIZE \
-sEXPORT_NAME="libheif" \
-sWASM_ASYNC_COMPILATION=0 \
-sALLOW_MEMORY_GROWTH \
-std=c++11 \
$LIBRARY_INCLUDE_FLAGS \
$LIBRARY_LINKER_FLAGS \
$BUILD_FLAGS \
$RELEASE_BUILD_FLAGS
|
