Refactor WebAssembly build script. (#598)

Make it easier to build WebAssembly for ASR.

wasm/CMakeLists.txt

@@ -1,59 +1,3 @@
-if(NOT $ENV{SHERPA_ONNX_IS_USING_BUILD_WASM_SH})
-  message(FATAL_ERROR "Please use ./build-wasm.sh to build for wasm")
+if(SHERPA_ONNX_ENABLE_WASM_TTS)
+  add_subdirectory(tts)
 endif()
-
-if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/assets/decoder_jit_trace-pnnx.ncnn.bin")
-  message(WARNING "${CMAKE_CURRENT_SOURCE_DIR}/assets/decoder_jit_trace-pnnx.ncnn.bin does not exist")
-  # message(FATAL_ERROR "Please read ${CMAKE_CURRENT_SOURCE_DIR}/assets/README.md before you continue")
-endif()
-
-set(exported_functions
-  MyPrint
-  SherpaOnnxCreateOfflineTts
-  SherpaOnnxDestroyOfflineTts
-  SherpaOnnxDestroyOfflineTtsGeneratedAudio
-  SherpaOnnxOfflineTtsGenerate
-  SherpaOnnxOfflineTtsGenerateWithCallback
-  SherpaOnnxOfflineTtsNumSpeakers
-  SherpaOnnxOfflineTtsSampleRate
-  SherpaOnnxWriteWave
-)
-set(mangled_exported_functions)
-foreach(x IN LISTS exported_functions)
-  list(APPEND mangled_exported_functions "_${x}")
-endforeach()
-list(JOIN mangled_exported_functions "," all_exported_functions)
-
-
-include_directories(${CMAKE_SOURCE_DIR})
-set(MY_FLAGS " -s FORCE_FILESYSTEM=1 -s INITIAL_MEMORY=512MB -s ALLOW_MEMORY_GROWTH=1")
-string(APPEND MY_FLAGS " -sSTACK_SIZE=10485760 ") # 10MB
-string(APPEND MY_FLAGS " -sEXPORTED_FUNCTIONS=[_CopyHeap,_malloc,_free,${all_exported_functions}] ")
-string(APPEND MY_FLAGS "--preload-file ${CMAKE_CURRENT_SOURCE_DIR}/assets@. ")
-string(APPEND MY_FLAGS " -sEXPORTED_RUNTIME_METHODS=['ccall','stringToUTF8','setValue','getValue'] ")
-
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_FLAGS}")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_FLAGS}")
-set(CMAKE_EXECUTBLE_LINKER_FLAGS "${CMAKE_EXECUTBLE_LINKER_FLAGS} ${MY_FLAGS}")
-
-if (NOT CMAKE_EXECUTABLE_SUFFIX STREQUAL ".js")
-  message(FATAL_ERROR "The default suffix for building executables should be .js!")
-endif()
-# set(CMAKE_EXECUTABLE_SUFFIX ".html")
-
-add_executable(sherpa-onnx-wasm-main sherpa-onnx-wasm-main.cc)
-target_link_libraries(sherpa-onnx-wasm-main sherpa-onnx-c-api)
-install(TARGETS sherpa-onnx-wasm-main DESTINATION bin/wasm)
-
-install(
-  FILES
-    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.js"
-    "index.html"
-    "sherpa-onnx.js"
-    "app.js"
-    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.wasm"
-    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.data"
-    # "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.html"
-  DESTINATION
-    bin/wasm
-)

wasm/tts/CMakeLists.txt

@@ -0,0 +1,58 @@
+if(NOT $ENV{SHERPA_ONNX_IS_USING_BUILD_WASM_SH})
+  message(FATAL_ERROR "Please use ./build-wasm-simd-tts.sh to build for wasm TTS")
+endif()
+
+if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/assets/model.onnx")
+  message(FATAL_ERROR "Please read ${CMAKE_CURRENT_SOURCE_DIR}/assets/README.md before you continue")
+endif()
+
+set(exported_functions
+  MyPrint
+  SherpaOnnxCreateOfflineTts
+  SherpaOnnxDestroyOfflineTts
+  SherpaOnnxDestroyOfflineTtsGeneratedAudio
+  SherpaOnnxOfflineTtsGenerate
+  SherpaOnnxOfflineTtsGenerateWithCallback
+  SherpaOnnxOfflineTtsNumSpeakers
+  SherpaOnnxOfflineTtsSampleRate
+  SherpaOnnxWriteWave
+)
+set(mangled_exported_functions)
+foreach(x IN LISTS exported_functions)
+  list(APPEND mangled_exported_functions "_${x}")
+endforeach()
+list(JOIN mangled_exported_functions "," all_exported_functions)
+
+
+include_directories(${CMAKE_SOURCE_DIR})
+set(MY_FLAGS " -s FORCE_FILESYSTEM=1 -s INITIAL_MEMORY=512MB -s ALLOW_MEMORY_GROWTH=1")
+string(APPEND MY_FLAGS " -sSTACK_SIZE=10485760 ") # 10MB
+string(APPEND MY_FLAGS " -sEXPORTED_FUNCTIONS=[_CopyHeap,_malloc,_free,${all_exported_functions}] ")
+string(APPEND MY_FLAGS "--preload-file ${CMAKE_CURRENT_SOURCE_DIR}/assets@. ")
+string(APPEND MY_FLAGS " -sEXPORTED_RUNTIME_METHODS=['ccall','stringToUTF8','setValue','getValue'] ")
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_FLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_FLAGS}")
+set(CMAKE_EXECUTBLE_LINKER_FLAGS "${CMAKE_EXECUTBLE_LINKER_FLAGS} ${MY_FLAGS}")
+
+if (NOT CMAKE_EXECUTABLE_SUFFIX STREQUAL ".js")
+  message(FATAL_ERROR "The default suffix for building executables should be .js!")
+endif()
+# set(CMAKE_EXECUTABLE_SUFFIX ".html")
+
+add_executable(sherpa-onnx-wasm-main sherpa-onnx-wasm-main.cc)
+target_link_libraries(sherpa-onnx-wasm-main sherpa-onnx-c-api)
+install(TARGETS sherpa-onnx-wasm-main DESTINATION bin/wasm)
+
+install(
+  FILES
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.js"
+    "index.html"
+    "sherpa-onnx.js"
+    "app.js"
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.wasm"
+    "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.data"
+    # "$<TARGET_FILE_DIR:sherpa-onnx-wasm-main>/sherpa-onnx-wasm-main.html"
+  DESTINATION
+    bin/wasm
+)

wasm/tts/assets/README.md

@@ -18,7 +18,7 @@ rm -rf vits-piper-en_US-libritts_r-medium
 ```
 
 You should have the following files in `assets` before you can run
-`build-wasm-simd.sh`
+`build-wasm-simd-tts.sh`
 
 ```
 assets fangjun$ tree -L 1