Add sounds (only simulator for now)

scripts/rsf2wav.js

@@ -1,46 +1,75 @@
 #!/usr/bin/env node
 
 const fs = require("fs")
-const rsf = fs.readFileSync(process.argv[2])
 
-const fmt = rsf.readInt16BE(0) // 0x0100
-if (fmt != 0x0100) {
-    throw new Error("Invalid input format: " + fmt)
+function convertFile(fn) {
+    const rsf = fs.readFileSync(fn)
+
+    const fmt = rsf.readInt16BE(0) // 0x0100
+    if (fmt != 0x0100) {
+        throw new Error("Invalid input format: " + fmt)
+    }
+    const size = rsf.readInt16BE(2)
+    const samplerate = rsf.readInt16BE(4)
+    const repeat = rsf.readInt16BE(6)
+
+    const datasize = rsf.length - 8
+
+    const wavHd = new Buffer(44)
+
+    function writeMark(off, mark) {
+        for (let i = 0; i < mark.length; ++i) {
+            wavHd[off + i] = mark.charCodeAt(i)
+        }
+    }
+
+    writeMark(0, 'RIFF')
+    wavHd.writeInt32LE(datasize + 36, 4)
+    writeMark(8, 'WAVE')
+    writeMark(12, 'fmt ')
+    wavHd.writeInt32LE(16, 16) // fmt size
+    wavHd.writeInt16LE(1, 20) // PCM
+    wavHd.writeInt16LE(1, 22) // mono, 1ch
+    wavHd.writeInt32LE(samplerate, 24)
+    wavHd.writeInt32LE(samplerate, 28) // byterate
+    wavHd.writeInt16LE(1, 32) // block align
+    wavHd.writeInt16LE(8, 34) // bits per sample
+    writeMark(36, 'data')
+    wavHd.writeInt32LE(datasize, 40)
+
+    let wav = Buffer.concat([wavHd, rsf.slice(8)])
+    return wav
 }
-const size = rsf.readInt16BE(2)
-const samplerate = rsf.readInt16BE(4)
-const repeat = rsf.readInt16BE(6)
 
-const datasize = rsf.length - 8
-
-const wavHd = new Buffer(44)
-
-function writeMark(off, mark) {
-    for (let i = 0; i < mark.length; ++i) {
-        wavHd[off + i] = mark.charCodeAt(i)
+let out = {
+    "*": {
+        namespace: "sounds",
+        dataEncoding: "base64",
+        mimeType: "audio/wav"
     }
 }
+let ts = "namespace sounds {\n"
+let bf
+for (let i = 2; i < process.argv.length; ++i) {
+    let fn = process.argv[i]
+    let m = /([^\/]+\/[^/]+)\.rsf$/.exec(fn)
+    let bn = m[1]
+    bf = convertFile(fn)
+    bn = bn.replace(/[\/\-]/g, " ")
+        .toLowerCase()
+        .replace(/(\d)\s+/g, (f, n) => n)
+        .replace(/\s+(.)/g, (f, l) => l.toUpperCase())
+    out[bn] = bf.toString("base64")
+    ts += `    //% fixedInstance jres\n`
+    ts += `    export const ${bn} = music.fromWAV(hex\`\`);\n`
+}
+ts += `}\n`
 
-writeMark(0, 'RIFF')
-wavHd.writeInt32LE(datasize + 36, 4)
-writeMark(8, 'WAVE')
-writeMark(12, 'fmt ')
-wavHd.writeInt32LE(16, 16) // fmt size
-wavHd.writeInt16LE(1, 20) // PCM
-wavHd.writeInt16LE(1, 22) // mono, 1ch
-wavHd.writeInt32LE(samplerate, 24)
-wavHd.writeInt32LE(samplerate, 28) // byterate
-wavHd.writeInt16LE(1, 32) // block align
-wavHd.writeInt16LE(8, 34) // bits per sample
-writeMark(36, 'data')
-wavHd.writeInt32LE(datasize, 40)
+fs.writeFileSync("out.json", JSON.stringify(out, null, 4))
+fs.writeFileSync("out.ts", ts)
+fs.writeFileSync("out.wav", bf)
 
-const wav = Buffer.concat([wavHd, rsf.slice(8)])
-
-console.log("writing out.wav; " + samplerate + "Hz")
-fs.writeFileSync("out.wav", wav)
-
-if (require("os").platform() == "darwin")
-    require('child_process').execSync("afplay out.wav")
+//if (require("os").platform() == "darwin")
+//    require('child_process').execSync("afplay out.wav")
 
 // TODO also play on Windows