Add WebAssembly (WASM) for speech enhancement GTCRN models (#2002)

wasm/speech-enhancement/CMakeLists.txt

@@ -0,0 +1,61 @@
+if(NOT $ENV{SHERPA_ONNX_IS_USING_BUILD_WASM_SH})
+  message(FATAL_ERROR "Please use ./build-wasm-simd-speech-enhancement.sh to build for wasm speech enhancement")
+endif()
+
+if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/assets/gtcrn.onnx")
+  message(FATAL_ERROR "Please read ${CMAKE_CURRENT_SOURCE_DIR}/assets/README.md before you continue")
+endif()
+
+set(exported_functions
+  MyPrint
+  SherpaOnnxCreateOfflineSpeechDenoiser
+  SherpaOnnxDestroyOfflineSpeechDenoiser
+  SherpaOnnxOfflineSpeechDenoiserGetSampleRate
+  SherpaOnnxOfflineSpeechDenoiserRun
+  SherpaOnnxDestroyDenoisedAudio
+  SherpaOnnxWriteWave
+  SherpaOnnxReadWave
+  SherpaOnnxReadWaveFromBinaryData
+  SherpaOnnxFreeWave
+)
+set(mangled_exported_functions)
+foreach(x IN LISTS exported_functions)
+  list(APPEND mangled_exported_functions "_${x}")
+endforeach()
+list(JOIN mangled_exported_functions "," all_exported_functions)
+
+
+include_directories(${CMAKE_SOURCE_DIR})
+set(MY_FLAGS " -s FORCE_FILESYSTEM=1 -s INITIAL_MEMORY=128MB -s ALLOW_MEMORY_GROWTH=1")
+string(APPEND MY_FLAGS " -sSTACK_SIZE=10485760 ") # 10MB
+string(APPEND MY_FLAGS " -sEXPORTED_FUNCTIONS=[_CopyHeap,_malloc,_free,${all_exported_functions}] ")
+string(APPEND MY_FLAGS "--preload-file ${CMAKE_CURRENT_SOURCE_DIR}/assets@. ")
+string(APPEND MY_FLAGS " -sEXPORTED_RUNTIME_METHODS=['ccall','stringToUTF8','setValue','getValue','lengthBytesUTF8','UTF8ToString'] ")
+
+message(STATUS "MY_FLAGS: ${MY_FLAGS}")
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_FLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_FLAGS}")
+set(CMAKE_EXECUTBLE_LINKER_FLAGS "${CMAKE_EXECUTBLE_LINKER_FLAGS} ${MY_FLAGS}")
+
+if (NOT CMAKE_EXECUTABLE_SUFFIX STREQUAL ".js")
+  message(FATAL_ERROR "The default suffix for building executables should be .js!")
+endif()
+# set(CMAKE_EXECUTABLE_SUFFIX ".html")
+
+add_executable(sherpa-onnx-wasm-main-speech-enhancement sherpa-onnx-wasm-main-speech-enhancement.cc)
+target_link_libraries(sherpa-onnx-wasm-main-speech-enhancement sherpa-onnx-c-api)
+install(TARGETS sherpa-onnx-wasm-main-speech-enhancement DESTINATION bin/wasm/speech-enhancement)
+
+install(
+  FILES
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main-speech-enhancement>/sherpa-onnx-wasm-main-speech-enhancement.js"
+    "index.html"
+    "sherpa-onnx-speech-enhancement.js"
+    "../nodejs/sherpa-onnx-wave.js"
+    "app-speech-enhancement.js"
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main-speech-enhancement>/sherpa-onnx-wasm-main-speech-enhancement.wasm"
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main-speech-enhancement>/sherpa-onnx-wasm-main-speech-enhancement.data"
+  DESTINATION
+    bin/wasm/speech-enhancement
+)