Better tuplet detection

build/filter.sef.json

@@ -1 +1 @@
-{"N":"package","version":"10","packageVersion":"1","saxonVersion":"SaxonJS 2.6","target":"JS","targetVersion":"2","name":"TOP-LEVEL","relocatable":"true","buildDateTime":"2024-09-16T22:47:15.421-07:00","ns":"xml=~ xsl=~","C":[{"N":"co","binds":"","id":"0","vis":"PUBLIC","ex:uniform":"true","C":[{"N":"globalParam","name":"Q{}filter","sType":"* ","slots":"200","module":"filter.xsl","flags":"r","as":"","ns":"xml=~ xsl=~","C":[{"N":"str","sType":"1AS ","val":"","role":"select"}]}]},{"N":"co","id":"1","binds":"0 1","C":[{"N":"mode","onNo":"TC","flags":"","patternSlots":"0","prec":"","C":[{"N":"templateRule","rank":"0","prec":"0","seq":"1","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"23","module":"filter.xsl","expand-text":"false","match":"*[local-name()=tokenize($filter,'\\|')]","prio":"0.5","matches":"NE","C":[{"N":"p.withPredicate","role":"match","sType":"1NE","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"p.nodeTest","test":"NE"},{"N":"gc","op":"=","comp":"GAC|http://www.w3.org/2005/xpath-functions/collation/codepoint","card":"1:1","C":[{"N":"fn","name":"local-name","C":[{"N":"dot"}]},{"N":"fn","name":"tokenize","C":[{"N":"treat","as":"AS","diag":"0|0||tokenize","C":[{"N":"check","card":"?","diag":"0|0||tokenize","C":[{"N":"cvUntyped","to":"AS","diag":"0|0||tokenize","C":[{"N":"check","card":"?","diag":"0|0||tokenize","C":[{"N":"data","diag":"0|0||tokenize","C":[{"N":"gVarRef","name":"Q{}filter","bSlot":"0"}]}]}]}]}]},{"N":"str","val":"\\|"}]}]}]},{"N":"empty","sType":"0 ","role":"action"}]},{"N":"templateRule","rank":"1","prec":"0","seq":"0","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"17","module":"filter.xsl","expand-text":"false","match":"node()|@*","prio":"-0.5","matches":"N u[NT,NP,NC,NE]","C":[{"N":"p.nodeTest","role":"match","test":"N u[NT,NP,NC,NE]","sType":"1N u[NT,NP,NC,NE]"},{"N":"copy","sType":"1N u[1NT ,1NP ,1NC ,1NE ] ","flags":"cin","role":"action","line":"18","C":[{"N":"applyT","sType":"* ","line":"19","mode":"#unnamed","bSlot":"1","C":[{"N":"docOrder","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","role":"select","line":"19","C":[{"N":"union","op":"|","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"axis","name":"child","nodeTest":"*N u[NT,NP,NC,NE]"},{"N":"axis","name":"attribute","nodeTest":"*NA"}]}]}]}]}]},{"N":"templateRule","rank":"2","prec":"0","seq":"0","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"17","module":"filter.xsl","expand-text":"false","match":"node()|@*","prio":"-0.5","matches":"NA","C":[{"N":"p.nodeTest","role":"match","test":"NA","sType":"1NA"},{"N":"copy","sType":"1NA ","flags":"cin","role":"action","line":"18","C":[{"N":"applyT","sType":"* ","line":"19","mode":"#unnamed","bSlot":"1","C":[{"N":"docOrder","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","role":"select","line":"19","C":[{"N":"union","op":"|","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"axis","name":"child","nodeTest":"*N u[NT,NP,NC,NE]"},{"N":"axis","name":"attribute","nodeTest":"*NA"}]}]}]}]}]}]}]},{"N":"overridden"},{"N":"output","C":[{"N":"property","name":"Q{http://saxon.sf.net/}stylesheet-version","value":"10"},{"N":"property","name":"omit-xml-declaration","value":"no"},{"N":"property","name":"indent","value":"yes"}]},{"N":"decimalFormat"}],"Σ":"c521f3b7"}
+{"N":"package","version":"10","packageVersion":"1","saxonVersion":"SaxonJS 2.6","target":"JS","targetVersion":"2","name":"TOP-LEVEL","relocatable":"true","buildDateTime":"2024-09-26T22:49:48.865-07:00","ns":"xml=~ xsl=~","C":[{"N":"co","binds":"","id":"0","vis":"PUBLIC","ex:uniform":"true","C":[{"N":"globalParam","name":"Q{}filter","sType":"* ","slots":"200","module":"filter.xsl","flags":"r","as":"","ns":"xml=~ xsl=~","C":[{"N":"str","sType":"1AS ","val":"","role":"select"}]}]},{"N":"co","id":"1","binds":"0 1","C":[{"N":"mode","onNo":"TC","flags":"","patternSlots":"0","prec":"","C":[{"N":"templateRule","rank":"0","prec":"0","seq":"1","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"23","module":"filter.xsl","expand-text":"false","match":"*[local-name()=tokenize($filter,'\\|')]","prio":"0.5","matches":"NE","C":[{"N":"p.withPredicate","role":"match","sType":"1NE","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"p.nodeTest","test":"NE"},{"N":"gc","op":"=","comp":"GAC|http://www.w3.org/2005/xpath-functions/collation/codepoint","card":"1:1","C":[{"N":"fn","name":"local-name","C":[{"N":"dot"}]},{"N":"fn","name":"tokenize","C":[{"N":"treat","as":"AS","diag":"0|0||tokenize","C":[{"N":"check","card":"?","diag":"0|0||tokenize","C":[{"N":"cvUntyped","to":"AS","diag":"0|0||tokenize","C":[{"N":"check","card":"?","diag":"0|0||tokenize","C":[{"N":"data","diag":"0|0||tokenize","C":[{"N":"gVarRef","name":"Q{}filter","bSlot":"0"}]}]}]}]}]},{"N":"str","val":"\\|"}]}]}]},{"N":"empty","sType":"0 ","role":"action"}]},{"N":"templateRule","rank":"1","prec":"0","seq":"0","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"17","module":"filter.xsl","expand-text":"false","match":"node()|@*","prio":"-0.5","matches":"N u[NT,NP,NC,NE]","C":[{"N":"p.nodeTest","role":"match","test":"N u[NT,NP,NC,NE]","sType":"1N u[NT,NP,NC,NE]"},{"N":"copy","sType":"1N u[1NT ,1NP ,1NC ,1NE ] ","flags":"cin","role":"action","line":"18","C":[{"N":"applyT","sType":"* ","line":"19","mode":"#unnamed","bSlot":"1","C":[{"N":"docOrder","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","role":"select","line":"19","C":[{"N":"union","op":"|","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"axis","name":"child","nodeTest":"*N u[NT,NP,NC,NE]"},{"N":"axis","name":"attribute","nodeTest":"*NA"}]}]}]}]}]},{"N":"templateRule","rank":"2","prec":"0","seq":"0","ns":"xml=~ xsl=~","minImp":"0","flags":"s","slots":"200","line":"17","module":"filter.xsl","expand-text":"false","match":"node()|@*","prio":"-0.5","matches":"NA","C":[{"N":"p.nodeTest","role":"match","test":"NA","sType":"1NA"},{"N":"copy","sType":"1NA ","flags":"cin","role":"action","line":"18","C":[{"N":"applyT","sType":"* ","line":"19","mode":"#unnamed","bSlot":"1","C":[{"N":"docOrder","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","role":"select","line":"19","C":[{"N":"union","op":"|","sType":"*N u[N u[N u[N u[NT,NP],NC],NE],NA]","ns":"= xml=~ fn=~ xsl=~ ","C":[{"N":"axis","name":"child","nodeTest":"*N u[NT,NP,NC,NE]"},{"N":"axis","name":"attribute","nodeTest":"*NA"}]}]}]}]}]}]}]},{"N":"overridden"},{"N":"output","C":[{"N":"property","name":"Q{http://saxon.sf.net/}stylesheet-version","value":"10"},{"N":"property","name":"omit-xml-declaration","value":"no"},{"N":"property","name":"indent","value":"yes"}]},{"N":"decimalFormat"}],"Σ":"c55266b7"}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "musicxml-midi",
-  "version": "2.8.1",
+  "version": "2.8.2",
   "description": "MusicXML to MIDI converter",
   "type": "module",
   "directories": {

src/js/musicxml-grooves.js

@@ -31,6 +31,13 @@ import path from 'path'
 const require = createRequire(import.meta.url)
 const { version } = require('../../package.json')
 
+// https://gomakethings.com/the-new-array.prototype.tospliced-method-in-vanilla-js/
+if (!Array.prototype.toSpliced) {
+	Array.prototype.toSpliced = function (...args) {
+		return Array.from(this).splice(...args);
+	};
+}
+
 const options = {
   'output': {
     type: 'string',
@@ -62,6 +69,9 @@ const options = {
   },
   'dashes': {
     type: 'boolean'
+  },
+  'tracks': {
+    type: 'string'
   }
 }
 const { values: args } = (() => {
@@ -105,6 +115,7 @@ const instruments = await SaxonJS.getResource({
 
 const grid = args['grid'].split(',').map(g => parseInt(g.trim()))
 const grooves = 'grooves' in args ? args['grooves'].split(',').map(g => g.trim()) : []
+const tracks = 'tracks' in args ? args['tracks'].split(',').map(t => t.trim()) : []
 for (const groove of JSON.parse(fs.readFileSync('build/grooves.json'))) {
   if (grooves.length > 0 && grooves.indexOf(groove.groove) < 0) continue
 
@@ -135,7 +146,10 @@ for (const groove of JSON.parse(fs.readFileSync('build/grooves.json'))) {
  * Main entrypoint for MusicXML generation.
  */
 function createMusicXML(groove) {
-  groove.tracks = groove.tracks.filter(t => t.track.startsWith('DRUM')).reverse()
+  groove.tracks = groove.tracks.filter(
+    t => t.track.startsWith('DRUM') &&
+    (tracks.length === 0 || tracks.find(tt => tt.localeCompare(t.track.replace('DRUM-', ''), undefined, {sensitivity: 'base'}) == 0))
+  ).reverse()
   if (!groove.tracks.length) {
     throw Error(`[${groove.groove}] No drum tracks found.`)
   }
@@ -480,11 +494,13 @@ function createMeasureNotes(groove, part, measure) {
 
   // Generate note types, durations and extra notes as needed.
   // Ignore notes that have already been processed by an earlier iteration in createNoteTiming().
+  // Also ignore notes that are dropped by the timing algorithm.
   .reduce((notes, note, index, input) => {
     const extra = 'musicXml' in note ? [] : createNoteTiming(note, index, input)
     notes.push(note, ...extra)
     return notes
   }, [])
+  .filter(n => 'musicXml' in n)
 
   // Generate MusicXML.
   // When voices change, we backup to the beginning of the measure.
@@ -582,19 +598,15 @@ function quantizeNoteOnset(note, index, notes, beats, grid) {
     if (onset !== undefined) {
       return onset
     }
-
-    if (isFirstNote || notes[index-1].quantized.onset < candidate.multiple) {
+    if (isFirstNote || notes[index-1].quantized.onset <= candidate.multiple) {
       return candidate
     }
   }, undefined)
 
   // Validate the quantization.
   if (onset === undefined) {
-    console.warn(`[${note.track}:${note.measure+1}] Failed to quantize note onset at ${note.onset} to avoid collision with previous note. Moving it manually.`)
-    onset = {
-      multiple: notes[index-1].quantized.onset + DIVISIONS_1024th,
-      error_sgn: scoreOnset - (notes[index-1].quantized.onset + DIVISIONS_1024th)
-    }
+    console.error(`[${note.track}:${note.measure+1}] Failed to quantize note onset at ${note.onset} to avoid collision with previous note. Dropping it.`)
+    return
   }
 
   // Store the note.
@@ -606,14 +618,13 @@ function quantizeNoteOnset(note, index, notes, beats, grid) {
 
 /**
  * Quantize a single note duration.
- * Don't let duration remain at 0.
  */
 function quantizeNoteDuration(note, index, notes, beats, grid) {
   const isFirstNote = index === 0 || notes[index-1].voice !== note.voice
   const isLastNote = index === notes.length - 1 || notes[index+1].voice !== note.voice
   const scoreOffset = Math.min(
     note.quantized.onset + note.quantized.duration,
-    isLastNote ? beats * DIVISIONS : notes[index+1].quantized.onset
+    isLastNote ? beats * DIVISIONS : notes[index+1].quantized.onset + (notes[index+1].quantized.onset === note.quantized.onset ? notes[index+1].quantized.onset : 0)
   )
   let offset = grid.map(unit => {
     return nearestMultiple(scoreOffset, DIVISIONS/unit)
@@ -630,13 +641,8 @@ function quantizeNoteDuration(note, index, notes, beats, grid) {
 
   if (offset === undefined) {
     // TODO Handle this case.
-    console.warn(`[${note.track}:${note.measure+1}] Failed to quantize note duration at ${note.onset} to avoid zero duration.`)
-  }
-
-  // Adjust the note duration if it crosses the measure boundary.
-  if (offset.multiple > beats * DIVISIONS) {
-    console.warn(`[${note.track}:${note.measure+1}] Quantized note duration at ${note.onset} crosses measure boundary. Reducing the duration.`)
-    offset.multiple = beats * DIVISIONS
+    console.warn(`[${note.track}:${note.measure+1}] Failed to quantize note duration at ${note.onset} to avoid zero duration. Dropping it.`)
+    return []
   }
 
   // Store the note.
@@ -766,21 +772,21 @@ function createNoteTiming(note, index, notes) {
     // - Each have a duration of a tuplet fraction of the enclosing note type
     // - Fall within the same enclosing note, instead of crossing note boundaries
     // TODO Handle tuplets where individual notes can be multiples of the tuplet division.
-    if (entry < note.quantized.duration && note.quantized.duration < entry * 2) {
+    if (entry / 2 < note.quantized.duration && note.quantized.duration < entry * 2) {
       for (const tupletCount of [3, 5]) {
         const target = entry * Math.pow(2, Math.ceil(Math.log2(tupletCount)))
         const tuplet = tuplets(note, index, notes, tupletCount)
         const ratio = Math.round(target / tupletCount)
         if (
           tuplet.length === tupletCount &&
           Math.abs(tupletsDuration(tuplet) - target) <= Number.EPSILON &&
-          tuplet.every(n => Math.min(n.quantized.duration % ratio, ratio - (n.quantized.duration % ratio)) <= Number.EPSILON) &&
+          //tuplet.every(n => Math.min(n.quantized.duration % ratio, ratio - (n.quantized.duration % ratio)) <= Number.EPSILON) &&
           tuplet.every(n => Math.floor(n.quantized.onset / target) === Math.floor(tuplet[0].quantized.onset / target))
         ) {
-          tuplet.forEach((n, i) => {
+          tuplet.forEach((n, i, t) => {
             n.quantized = {
               duration: target / tupletCount,
-              onset: note.quantized.onset + (i * target / tupletCount)
+              onset: i === 0 ? note.quantized.onset : (t[i-1].quantized.onset + t[i-1].quantized.duration)
             }
             n.musicXml = {
               duration: target / tupletCount,
@@ -804,7 +810,7 @@ function createNoteTiming(note, index, notes) {
     // - Sum up to a quarter
     // - Each be within a triplet multiple of a quarter
     // - Fall within the same quarter note, instead of crossing quarter not boundaries
-    if (entry === DIVISIONS_EIGHTH && entry < note.quantized.duration && note.quantized.duration < entry * 2) {
+    if (entry === DIVISIONS_EIGHTH && entry / 2 < note.quantized.duration && note.quantized.duration < entry * 2) {
       const target = entry * 2
       const pair = tuplets(note, index, notes, 2)
       const ratio = Math.round(target / 3)
@@ -815,6 +821,10 @@ function createNoteTiming(note, index, notes) {
         Math.floor(pair[0].quantized.onset / target) === Math.floor(pair[1].quantized.onset / target)
       ) {
         pair.forEach((n, i, t) => {
+          n.quantized = {
+            duration: n.quantized.duration > ratio ? target * 2 / 3 : target / 3,
+            onset: i === 0 ? note.quantized.onset : (t[i-1].quantized.onset + t[i-1].quantized.duration)
+          }
           n.musicXml = {
             duration: n.quantized.duration,
             type: n.quantized.duration > ratio ? lookupType(target) : lookupType(entry),
@@ -862,7 +872,14 @@ function createNoteTiming(note, index, notes) {
 
     // Check that the gap is all filled.
     if (gap > Number.EPSILON) {
-      console.warn(`[${note.track}:${note.measure+1}] Remaining gap of ${gap} left after note at ${note.onset}.`)
+      const isFirstNote = index === 0 || notes[index-1].voice !== note.voice
+      if (!isFirstNote && !('midi' in note && notes[index-1].midi != note.midi)) {
+        console.warn(`[${note.track}:${note.measure+1}] Remaining gap of ${gap} left after note at ${note.onset}. This indicates a missed tuplet. Attempting to fix.`)
+        notes[index-1].quantized.duration += note.quantized.duration
+        notes[index-1].duration += note.duration
+        return createNoteTiming(notes[index-1], index-1, notes.toSpliced(index, 1))
+      }
+      console.error(`[${note.track}:${note.measure+1}] Remaining gap of ${gap} left after note at ${note.onset}. This indicates a missed tuplet.`)
     }
 
     // Close up the last tie.