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bytebeat-render.js: constrainValue: floatbeat: fix?

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パチュリー・ノーレッジ
2024-07-12 03:17:44 +03:00
parent 427cca3e4c
commit c989b8d2d9
1 changed files with 5 additions and 1 deletions
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6
js-programming/bytebeat-render.js
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@@ -71,6 +71,8 @@ const generateAudio = t => {
return t&t>>8 return t&t>>8
} }
const clamp = (a, b, c) => max(min(a, c), b)
let lastCorrectSample = 127 // FIXME: guessed value let lastCorrectSample = 127 // FIXME: guessed value
const constrainValue = sample => { const constrainValue = sample => {
@@ -85,7 +87,9 @@ const constrainValue = sample => {
case TYPE_SIGNED_BYTEBEAT: case TYPE_SIGNED_BYTEBEAT:
return ((sample + 127) & 255) - 128 return ((sample + 127) & 255) - 128
case TYPE_FLOATBEAT: case TYPE_FLOATBEAT:
return floor(sample * 127) + 127 // NOTE: temporary fix copied from a code by lehandsomeguy, see https://
// www.reddit.com/r/bytebeat/comments/48r00a/floatbeat_test/
return floor((clamp(sample, -0.9999, 0.9999) * 128) + 128)
} }
} }