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OSCHINA-MIRROR/jmfe-jsmpeg

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build-wasm.sh 1.7 КБ
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ivan-94 Отправлено 09.04.2020 13:28 a26acf0
#!/bin/sh
echo "正在编译 WebAssembly"
# Build the .wasm Module first
# Since we're compiling a side module here, so that we can load it without the
# runtime cruft, we have to explicitly compile in support for malloc and
# friends.
# Note memcpy, memmove and memset are explicitly exported, otherwise they will
# be eliminated by the SIDE_MODULE=2 setting - not sure why that happens.
emcc \
src/wasm/mpeg1.c \
src/wasm/mp2.c \
src/wasm/buffer.c \
$EMSCRIPTEN/system/lib/emmalloc.cpp \
$EMSCRIPTEN/system/lib/libc/musl/src/string/memcpy.c \
$EMSCRIPTEN/system/lib/libc/musl/src/string/memmove.c \
$EMSCRIPTEN/system/lib/libc/musl/src/string/memset.c \
-s WASM=1 \
-s SIDE_MODULE=2 \
-s TOTAL_STACK=5242880\
-s USE_PTHREADS=0 \
-s LEGALIZE_JS_FFI=0\
-s NO_FILESYSTEM=1 \
-s DEFAULT_LIBRARY_FUNCS_TO_INCLUDE="[]" \
-s "EXPORTED_FUNCTIONS=[
'_memcpy',
'_memmove',
'_memset',
'_mpeg1_decoder_create',
'_mpeg1_decoder_destroy',
'_mpeg1_decoder_get_write_ptr',
'_mpeg1_decoder_get_index',
'_mpeg1_decoder_set_index',
'_mpeg1_decoder_did_write',
'_mpeg1_decoder_has_sequence_header',
'_mpeg1_decoder_get_frame_rate',
'_mpeg1_decoder_get_coded_size',
'_mpeg1_decoder_get_width',
'_mpeg1_decoder_get_height',
'_mpeg1_decoder_get_y_ptr',
'_mpeg1_decoder_get_cr_ptr',
'_mpeg1_decoder_get_cb_ptr',
'_mpeg1_decoder_decode',
'_mp2_decoder_create',
'_mp2_decoder_destroy',
'_mp2_decoder_get_write_ptr',
'_mp2_decoder_get_index',
'_mp2_decoder_set_index',
'_mp2_decoder_did_write',
'_mp2_decoder_get_left_channel_ptr',
'_mp2_decoder_get_right_channel_ptr',
'_mp2_decoder_get_sample_rate',
'_mp2_decoder_decode']" \
-O3 \
-o jsmpeg.wasm

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