Merge pull request #26 from dectalk/wasmstuff

not wasm stuff

Author: ByteSizedFox

.gitignore

@@ -8,3 +8,6 @@ out/
 toolchain
 say
 /wip
+
+# Nintendo DS
+.DS_Store

.vscode/c_cpp_properties.json

@@ -0,0 +1,16 @@
+{
+    "configurations": [
+        {
+            "name": "Mac",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/clang",
+            "cStandard": "c17",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "macos-clang-arm64"
+        }
+    ],
+    "version": 4
+}

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [{
+        "type": "lldb",
+        "request": "launch",
+        "name": "DECtalk for NodeJS",
+        "preLaunchTask": "npm: build:dev - node",
+        "program": "/usr/bin/env",
+        "args": [
+            "node",
+            "${workspaceFolder}/node/src/index.js"
+        ]
+    }]
+}

node/.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+build/

node/binding.gyp

@@ -0,0 +1,35 @@
+{
+  "targets": [
+    {
+      "target_name": "dectalk",
+      "cflags!": [ "-fno-exceptions" ],
+      "cflags_cc!": [ "-fno-exceptions" ],
+      "sources": [
+        "src/dectalk.cc",
+        "<!@(node -p \"require('fs').readdirSync('../src').map(f=>'../src/'+f).join(' ')\")"
+      ],
+      "include_dirs": [
+        "../include",
+        "<!@(node -p \"require('node-addon-api').include\")"
+      ],
+      'defines': [
+        'NAPI_DISABLE_CPP_EXCEPTIONS',
+        'NO_FILESYSTEM',
+        '_REENTRANT',
+        'NOMME',
+        'LTSSIM',
+        'TTSSIM',
+        'ANSI',
+        'BLD_DECTALK_DLL',
+        'ENGLISH',
+        'ENGLISH_US',
+        'ACCESS32',
+        'TYPING_MODE',
+        'ACNA',
+        'DISABLE_AUDIO',
+        'SINGLE_THREADED',
+        '__unix__'
+       ],
+    }
+  ]
+}

node/package-lock.json

@@ -0,0 +1,19 @@
+{
+  "name": "hello_world",
+  "version": "0.0.0",
+  "description": "Node.js Addons Example #1",
+  "main": "src/index.js",
+  "private": true,
+  "dependencies": {
+    "bindings": "~1.5.0",
+    "node-addon-api": "^8.1.0"
+  },
+  "scripts": {
+    "build": "node-gyp build",
+    "build:dev": "node-gyp build --debug"
+  },
+  "gypfile": true,
+  "devDependencies": {
+    "node-api-headers": "^1.8.0"
+  }
+}

node/package.json

@@ -0,0 +1,56 @@
+#include <napi.h>
+
+extern "C" {
+  #include "epsonapi.h"
+}
+
+Napi::FunctionReference callback;
+bool callbackWasSet = false;
+
+short* audio_callback(short *data, long length, int phoneme) {
+  Napi::Env env = callback.Env();
+  Napi::Buffer<short> array = Napi::Buffer<short>::New(env, data, length);
+  if (callbackWasSet) callback.Call({ array });
+  return data;
+}
+
+Napi::Value setCallback(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+
+  callback = Napi::Persistent(info[0].As<Napi::Function>());
+  callbackWasSet = true;
+
+  return Napi::String::New(env, "Done");
+}
+
+Napi::Value say(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+
+  Napi::String text = info[0].As<Napi::String>();
+  Napi::Number format = info[1].As<Napi::Number>();
+
+  const std::string cppstr = text.ToString().Utf8Value();
+  const char* input = cppstr.c_str();
+  const int fmt = format.Int32Value();
+
+  int result = TextToSpeechStart((char*) input, NULL, fmt);
+
+  if (result == 0) TextToSpeechSync();
+
+  return Napi::Number::New(env, result);
+}
+
+Napi::Object Init(Napi::Env env, Napi::Object exports) {
+  exports.Set(Napi::String::New(env, "setCallback"),
+              Napi::Function::New(env, setCallback));
+
+  exports.Set(Napi::String::New(env, "say"),
+              Napi::Function::New(env, say));
+
+  TextToSpeechInit(audio_callback, NULL);
+
+  return exports;
+}
+
+// Register and initialize native add-on
+NODE_API_MODULE(NODE_GYP_MODULE_NAME, Init)

node/src/dectalk.cc

@@ -0,0 +1,4 @@
+interface ILibDectalk {
+  setCallback: (callback: (buffer: Buffer) => void) => void;
+  say: (text: string, mode: 0 | 1) => number;
+}

node/src/index.d.ts

@@ -0,0 +1,56 @@
+import bindings from "bindings";
+import fs from "node:fs"
+
+/** @type {ILibDectalk} */
+const libdectalk = bindings("dectalk");
+
+const toBytes = (number) => {
+  return [0xff & number,
+  0xff & (number >> 8),
+  0xff & (number >> 16),
+  0xff & (number >> 24)]
+}
+
+/** @type {(text: string) => Promise<Buffer>} */
+const say = (text) => {
+  const format = 1;
+  const audioBuffer = [];
+  let dataLength = 0;
+
+  /** @type {(chunkData: Buffer) => void} */
+  const callback = (chunkData) => {
+    // copy the buffer immediately before its destroyed
+    audioBuffer.push(Buffer.from(chunkData));
+    dataLength += chunkData.byteLength;
+  }
+
+  libdectalk.setCallback(callback)
+  libdectalk.say(text, format);
+
+  const sampleRate = format ? 11025 : 8000
+  const bufferLength = 44 + dataLength;
+
+  // Generate a WAV header
+  const header = Buffer.from([
+    0x52, 0x49, 0x46, 0x46,     // RIFF
+    ...toBytes(bufferLength),   // WAV size
+    0x57, 0x41, 0x56, 0x45,     // WAVE
+    0x66, 0x6d, 0x74, 0x20,     // fmt
+    0x10, 0x00, 0x00, 0x00,     // fmt chunk size
+    0x01, 0x00, 0x01, 0x00,     // Audio format 1=PCM & Number of channels 1=Mono
+    ...toBytes(sampleRate),     // Sampling Frequency in Hz
+    ...toBytes(sampleRate * 2), // bytes per second
+    0x02, 0x00, 0x10, 0x00,     // 2=16-bit mono & Number of bits per sample
+    0x64, 0x61, 0x74, 0x61,     // data
+    ...toBytes(dataLength)      // data size
+  ])
+
+  return Buffer.concat([header, ...audioBuffer])
+}
+
+const buffer = say("This is a message from Node J S");
+fs.writeFileSync("first.wav", buffer);
+
+const buffer2 = say("This is a second message from Node J S");
+fs.writeFileSync("second.wav", buffer2);
+console.log("end of programme");