build_hevc_decoder_wasm.sh

rm -r dist
mkdir -p dist
export TOTAL_MEMORY=268435456
export EXPORTED_FUNCTIONS="[ \
		'_init_decoder', \
		'_flush_decoder', \
		'_close_decoder', \
    '_decode_AnnexB_buffer', \
    '_main', \
    '_malloc', \
    '_free'
]"

echo "Running Emscripten..."
emcc decode_hevc.c ffmpeg/lib/libavcodec.a ffmpeg/lib/libavutil.a \
    -O3 \
    -I "ffmpeg/include" \
    -s WASM=1 \
    -s TOTAL_MEMORY=${TOTAL_MEMORY} \
   	-s EXPORTED_FUNCTIONS="${EXPORTED_FUNCTIONS}" \
   	-s EXTRA_EXPORTED_RUNTIME_METHODS="['addFunction']" \
		-s RESERVED_FUNCTION_POINTERS=14 \
		-s FORCE_FILESYSTEM=1 \
    -o dist/libffmpeg_265.js \

echo "Finished Build"


# 打开多线程
# -pthread \
# -s USE_PTHREADS=1 \

# 开启 simd 优化
# -msimd128 \