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playtaud tweaks

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minjaesong
2026-05-22 12:35:02 +09:00
parent 065e586cd6
commit 9723c33dfc
1 changed files with 13 additions and 20 deletions
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33
assets/disk0/tvdos/bin/playtaud.js
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@@ -390,11 +390,11 @@ const NAME_RULES = [
'kick','snare','hat','drum','perc','clap','cymb','tom','ride',
'crash','rim','clave','cowbell','shaker','tamb','conga','bongo',
'snr','kik','bdrum','sdrum','kit','break','909','707','606',
' bd',' sd',' hh',' bd1',' bd2',' sd1',' sd2'
' bd',' sd',' hh',' bd1',' bd2',' sd1',' sd2',' sn',' tst',' tsk'
]},
{ arch: ARCH_METAL, words: [
'metal','ring mod','ringmod','noise','glass','chime','clang',
'sweep','riser','blip','zap','laser','bitcrush','crush','fm '
'sweep','riser','blip','zap','laser','bitcrush','crush','fm ','xwav'
]},
{ arch: ARCH_BASS, words: [
'bass','sub','808','b-line','bassline','b.s.'
@@ -457,16 +457,7 @@ function classifyInstrument(slot) {
const c4Rate = readInstU16(slot, 6)
if (sampleLen === 0) return null // empty slot
// Acoustic override: an unambiguously percussive sample (short one-shot,
// no loop) is treated as DRUM even when the name says otherwise. Modules
// sometimes label kicks "Bass" or label individual percussion hits with
// genre tags — the acoustic shape is the more reliable signal there.
const flags = readInstByte(slot, 14)
const loopMode = flags & 0x03
const looped = (loopMode === 1 || loopMode === 2)
if (sampleLen < 4096 && !looped) return ARCH_DRUM
// Name-based prior next — a kick called "Kick" is a kick even if its
// Name-based prior first — a kick called "Kick" is a kick even if its
// envelope/spectrum could read as something else. Falls back to the
// acoustic heuristic when name has no keyword hits.
const nameHit = classifyByName(song.instNames[slot] + ' ' + song.sampleNames[slot])
@@ -934,17 +925,21 @@ function drawStereo() {
const bins = new Float32Array(W)
for (let v = 0; v < song.numVoices; v++) {
if (!audio.getVoiceActive(0, v)) continue
const vol = audio.getVoiceEffectiveVolume(0, v) || 0
const vol = Math.pow(audio.getVoiceEffectiveVolume(0, v) || 0, 0.125)
if (vol <= 0) continue
const pan = audio.getVoiceEffectivePan(0, v)
let col = Math.round((pan / 255) * (W - 1))
if (col < 0) col = 0
if (col >= W) col = W - 1
// Gaussian-ish 3-cell spread so individual voices don't read as single
// Gaussian-ish 7-cell spread so individual voices don't read as single
// spikes — the eye reads bars best with some neighbouring mass.
bins[col] += vol
if (col > 0) bins[col - 1] += vol * 0.5
if (col < W - 1) bins[col + 1] += vol * 0.5
if (col >= 3) bins[col - 3] += vol * 0.05
if (col >= 2) bins[col - 2] += vol * 0.3
if (col >= 1) bins[col - 1] += vol * 0.75
if (col < W - 1) bins[col + 1] += vol * 0.75
if (col < W - 2) bins[col + 2] += vol * 0.3
if (col < W - 3) bins[col + 3] += vol * 0.05
}
const stairs = [0x20, 0xB0, 0xB1, 0xB2, 0xDB] // space ░ ▒ ▓ █
for (let i = 0; i < W; i++) {
@@ -1007,9 +1002,7 @@ let errorlevel = 0
// clock.
let ticksPerRow = Math.max(1, song.tickRate)
const frameIntervalMs = 33
let synthTick = 0 // tick within current row, 0..ticksPerRow-1
let synthTick = 0 // tick within current row, 0..ticksPerRow-1
try {
while (audio.isPlaying(0) && !stopReq) {
// Backspace polling (mirrors playtad).
@@ -1046,7 +1039,7 @@ try {
drawStereo()
drawTickLights(synthTick, ticksPerRow)
sys.sleep(frameIntervalMs)
sys.sleep((2500 / audio.getBPM(0))|0) // one visual frame = one tick
}
}
catch (e) {