Settings: countIn control; key&time signature on midifile; MidiPlayer: support change tempo , modulation . Support minor key

composeApp/src/androidMain/kotlin/mg/dot/feufaro/SettingsProvider.kt

@@ -0,0 +1,11 @@
+package mg.dot.feufaro
+
+import com.russhwolf.settings.Settings
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.get
+
+private object AndroidSettingsResolver : KoinComponent {
+    fun resolve(): Settings = get()
+}
+
+actual fun provideSettings(): Settings = AndroidSettingsResolver.resolve()

composeApp/src/androidMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt

@@ -3,6 +3,7 @@ package mg.dot.feufaro.midi
 import SharedScreenModel
 import com.russhwolf.settings.Settings
 import kotlinx.coroutines.*
+import mg.dot.feufaro.provideSettings
 import org.billthefarmer.mididriver.MidiDriver
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.inject
@@ -76,7 +77,16 @@ actual class FMediaPlayer actual constructor(
                         val mt=readByte();
                         val len=readVarLen().toInt();
                         val md=ByteArray(len){data[pos++]};
-                        out.add(MidiEvent(tick,0xFF,0,0,0,mt,md))
+
+                        if (mt == 0x51 && md.size == 3) {
+                            val usPerQuarter = ((md[0].toInt() and 0xFF) shl 16) or
+                                    ((md[1].toInt() and 0xFF) shl 8) or
+                                    (md[2].toInt() and 0xFF)
+                            val bpm = 60_000_000f / usPerQuarter
+                            out.add(MidiEvent(tick, 0xFF, 0, 0, 0, mt, md))
+                        } else {
+                            out.add(MidiEvent(tick, 0xFF, 0, 0, 0, mt, md))
+                        }
                     }
                     status == 0xF0 || status == 0xF7 -> repeat(readVarLen().toInt()) {
                         pos++
@@ -164,16 +174,25 @@ actual class FMediaPlayer actual constructor(
         val targetTempoMultiplier: Float = 0.6f
     )
     private val navigationSteps = mutableListOf<NavigationStep>()
+    private val prefs: Settings = provideSettings()
 
     init {
         midiDriver.start()
         loadVoiceVolumes()
-        loadSavedInstrumentsToPlayer(this)
         val file = File(filename)
         if (file.exists()) {
             try {
                 sequence   = MidiParser.parse(file)
                 resolution = sequence!!.resolution
+                val tempoEvent = sequence!!.events.firstOrNull { it.type == 0xFF && it.metaType == 0x51 }
+                if (tempoEvent != null && tempoEvent.metaData.size == 3) {
+                    val md = tempoEvent.metaData
+                    val usPerQuarter = ((md[0].toInt() and 0xFF) shl 16) or
+                            ((md[1].toInt() and 0xFF) shl 8) or
+                            (md[2].toInt() and 0xFF)
+                    targetBpm = 60_000_000f / usPerQuarter
+                }
+
                 usPerTick  = (60_000_000.0 / targetBpm) / resolution
             } catch (e: Exception) { e.printStackTrace() }
         }
@@ -277,28 +296,37 @@ actual class FMediaPlayer actual constructor(
     }
 
     private fun startPlaybackLoop() {
-        val seq = sequence ?: return
+        val seq = sequence ?: run {
+            return
+        }
         isRunning = true
+        needsClockSync = true
+
         playJob?.cancel()
         playJob = playerScope.launch(Dispatchers.Default) {
             val events = seq.events
-            var idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
+
-                .takeIf { it >= 0 } ?: events.size
             var clockNano = System.nanoTime()
             var clockTick = currentTickPos
+            var idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
+                .takeIf { it >= 0 } ?: events.size
 
             while (isActive && isRunning) {
                 if (needsClockSync) {
                     clockNano = System.nanoTime()
                     clockTick = currentTickPos
-                    idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
+
+                    val targetIdx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
                         .takeIf { it >= 0 } ?: events.size
+                    if (targetIdx > idx) {
+                        idx = targetIdx
+                    }
 
                     needsClockSync = false
                 }
+
                 if (isHolding) {
                     yield()
-//                    delay(10)
                     clockNano = System.nanoTime()
                     clockTick = currentTickPos
                     continue
@@ -309,7 +337,8 @@ actual class FMediaPlayer actual constructor(
                     if (dc != null) {
                         allNotesOff()
                         seekToGrid(dc.targetGrid)
-                        clockNano = System.nanoTime(); clockTick = currentTickPos
+                        clockNano = System.nanoTime()
+                        clockTick = currentTickPos
                         idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
                             .takeIf { it >= 0 } ?: events.size
                         continue
@@ -322,16 +351,11 @@ actual class FMediaPlayer actual constructor(
                 }
 
                 val ev = events[idx]
-//                val waitNano = (clockNano + ((ev.tickAbsolute - clockTick) * usPerTick * 1000)
-//                    .toLong()) - System.nanoTime()
-
                 val targetNano = clockNano + ((ev.tickAbsolute - clockTick) * usPerTick * 1000).toLong()
                 val now = System.nanoTime()
                 val waitNano = targetNano - now
 
-//                if (waitNano > 0) delay((waitNano / 1_000_000).coerceAtLeast(0L))
+                if (waitNano > 0 && waitNano < 3_000_000_000L) {
-                if (waitNano > 0) {
-                    // Thread.sleep est beaucoup plus précis que delay() pour les micro-délais MIDI
                     val ms = waitNano / 1_000_000
                     val ns = (waitNano % 1_000_000).toInt()
                     try {
@@ -339,19 +363,23 @@ actual class FMediaPlayer actual constructor(
                     } catch (e: Exception) {
                         yield()
                     }
-                }
+                } else if (waitNano < -100_000_000L) {
-                if (needsClockSync) {
+                    clockNano = System.nanoTime()
-                    continue
+                    clockTick = ev.tickAbsolute
+                } else {
+                    yield()
                 }
 
                 currentTickPos = ev.tickAbsolute
-                lastEventNano  = System.nanoTime()
+                lastEventNano = System.nanoTime()
 
                 // A-B loop
                 if (isLoopingAB && pointA >= 0 && pointB > pointA &&
                     ticksToMs(currentTickPos) >= pointB) {
-                    allNotesOff(); currentTickPos = msToTicks(pointA)
+                    allNotesOff()
-                    clockNano = System.nanoTime(); clockTick = currentTickPos
+                    currentTickPos = msToTicks(pointA)
+                    clockNano = System.nanoTime()
+                    clockTick = currentTickPos
                     idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
                         .takeIf { it >= 0 } ?: events.size
                     continue
@@ -364,9 +392,21 @@ actual class FMediaPlayer actual constructor(
                     0xB0 -> if (ev.data1 != 7 && ev.data1 != 11)
                         send(0xB0 or ev.channel, ev.data1, ev.data2)
                     0xC0 -> send(0xC0 or ev.channel, ev.data1)
-                    0xFF -> { /* tempo ignoré */ }
+                    0xFF -> {
+                        if (ev.metaType == 0x51 && ev.metaData.size == 3) {
+                            val md = ev.metaData
+                            val usPerQuarter = ((md[0].toInt() and 0xFF) shl 16) or
+                                    ((md[1].toInt() and 0xFF) shl 8) or
+                                    (md[2].toInt() and 0xFF)
+                            currentPlaybackBpm = targetBpm
+                            usPerTick = (60_000_000.0 / targetBpm) / resolution
+                            clockNano = System.nanoTime()
+                            clockTick = ev.tickAbsolute
+                        }
+                    }
                 }
-                val currentGrid = (currentTickPos/* ev.tickAbsolute*/ / resolution).toLong()
+
+                val currentGrid = (currentTickPos / resolution).toLong()
                 if (boundModel?.activeIndex?.value != currentGrid.toInt()) {
                     boundModel?.updateActiveIndex(currentGrid)
                 }
@@ -704,7 +744,10 @@ actual class FMediaPlayer actual constructor(
     }
     actual fun play() {
         if (sequence == null) return
-        if(currentTickPos == 0L) {
+        usPerTick = (60_000_000.0 / targetBpm.toDouble()) / resolution.toDouble()
+        currentPlaybackBpm = targetBpm
+        val countInEnable = prefs.getBoolean("isCountIn", true)
+        if (currentTickPos == 0L && countInEnable) {
             playCountIn()
         } else {
             applyVoiceStates()
@@ -778,6 +821,7 @@ actual class FMediaPlayer actual constructor(
 
             withContext(Dispatchers.Main) {
                 applyVoiceStates()
+                needsClockSync = true
                 startPlaybackLoop()
             }
         }
@@ -812,9 +856,11 @@ actual class FMediaPlayer actual constructor(
         applyVoiceStates()
     }
     actual fun setTempo(bpm: Float) {
-        targetBpm = bpm; usPerTick = (60_000_000.0/bpm)/resolution
+        targetBpm = bpm
+        currentPlaybackBpm = bpm
+        usPerTick = (60_000_000.0 / bpm.toDouble()) / resolution.toDouble()
         boundModel?.let { prepareNavigation(it) }
-        println("Tempo → $bpm BPM")
+        needsClockSync = true
     }
     actual fun getCurrentBPM(): Float = targetBpm
     actual fun requestSync(sharedScreenModel: SharedScreenModel) {
@@ -865,12 +911,14 @@ actual class FMediaPlayer actual constructor(
         for (ch in 0 until 4) send(0xC0 or ch, noInstru)
     }
     actual fun getAvalaibleInstruments(): List<MidiInstrument> {
-        val gmInstruments = listOf(
+        val gmInstruments = listOf("🎹 Acoustic Grand Piano", "🎹 Bright Acoustic Piano", "🎹 Electric Grand Piano", "🎹 Honky-tonk Piano", "🎹 Electric Piano 1", "🎹 Electric Piano 2", "🎹 Harpsichord", "🎹 Clavi", "🔔 Celesta", "🔔 Glockenspiel", "🔔 Music Box", "🔔 Vibraphone", "🔔 Marimba", "🔔 Xylophone", "🔔 Tubular Bells", "🔔 Dulcimer", "🎹 Drawbar Organ", "🎹 Percussive Organ", "🎹 Rock Organ", "🎹 Church Organ", "🎹 Reed Organ", "🎹 Accordion", "🎹 Harmonica", "🎹 Tango Accordion", "🎸 Acoustic Guitar (nylon)", "🎸 Acoustic Guitar (steel)", "🎸 Electric Guitar (jazz)", "🎸 Electric Guitar (clean)", "🎸 Electric Guitar (muted)", "🎸 Overdriven Guitar", "🎸 Distortion Guitar", "🎸 Guitar harmonics", "🎸 Acoustic Bass", "🎸 Electric Bass (finger)", "🎸 Electric Bass (pick)", "🎸 Fretless Bass", "🎸 Slap Bass 1", "🎸 Slap Bass 2", "🎸 Synth Bass 1", "🎸 Synth Bass 2", "🎻 Violin", "🎻 Viola", "🎻 Cello", "🎻 Contrabass", "🎻 Tremolo Strings", "🎻 Pizzicato Strings", "🎻 Orchestral Harp", "🎻 Timpani", "🧑‍🤝‍🧑 String Ensemble 1", "🧑‍🤝‍🧑 String Ensemble 2", "🧑‍🤝‍🧑 SynthStrings 1", "🧑‍🤝‍🧑 SynthStrings 2", "🧑‍🤝‍🧑 Choir Aahs", "🧑‍🤝‍🧑 Voice Oohs", "🧑‍🤝‍🧑 Synth Voice", "🧑‍🤝‍🧑 Orchestra Hit", "🎺 Trumpet", "🎺 Trombone", "🎺 Tuba", "🎺 Muted Trumpet", "🎺 French Horn", "🎺 Brass Section", "🎺 SynthBrass 1", "🎺 SynthBrass 2", "🎷 Soprano Sax", "🎷 Alto Sax", "🎷 Tenor Sax", "🎷 Baritone Sax", "🍾 Oboe", "🍾 English Horn", "🍾 Bassoon", "🍾 Clarinet", "🍾 Piccolo", "🍾 Flute", "🍾 Recorder", "🍾 Pan Flute", "🍾 Blown Bottle", "🍾 Shakuhachi", "🍾 Whistle", "🍾 Ocarina", "🕹️ Lead 1 (square)", "🕹️ Lead 2 (sawtooth)", "🕹️ Lead 3 (calliope)", "🕹️ Lead 4 (chiff)", "🕹️ Lead 5 (charang)", "🕹️ Lead 6 (voice)", "🕹️ Lead 7 (fifths)", "🕹️ Lead 8 (bass+lead)", "🔮 Pad 1 (new age)", "🔮 Pad 2 (warm)", "🔮 Pad 3 (polysynth)", "🔮 Pad 4 (choir)", "🔮 Pad 5 (bowed)", "🔮 Pad 6 (metallic)", "🔮 Pad 7 (halo)", "🔮 Pad 8 (sweep)", "⚡ FX 1 (rain)", "⚡ FX 2 (soundtrack)", "⚡ FX 3 (crystal)", "⚡ FX 4 (atmosphere)", "⚡ FX 5 (brightness)", "⚡ FX 6 (goblins)", "⚡ FX 7 (echoes)", "⚡ FX 8 (sci-fi)", "🍛 Sitar", "🍛 Banjo", "🍛 Shamisen", "🍛 Koto", "🍛 Kalimba", "🍛 Bag pipe", "🍛 Fiddle", "🍛 Shanai", "🥁 Tinkle Bell", "🥁 Agogo", "🥁 Steel Drums", "🥁 Woodblock", "🥁 Taiko Drum", "🥁 Melodic Tom", "🥁 Synth Drum", "🥁 Reverse Cymbal", "🚁 Guitar Fret Noise", "🚁 Breath Noise", "🚁 Seashore", "🚁 Bird Tweet", "🚁 Telephone Ring", "🚁 Helicopter", "🚁 Applause", "🚁 Gunshot")
-            "Acoustic Grand Piano", "Bright Acoustic Piano", "Electric Grand Piano", "Honky-tonk Piano", "Electric Piano 1", "Electric Piano 2", "Harpsichord", "Clavi", "Celesta", "Glockenspiel", "Music Box", "Vibraphone", "Marimba", "Xylophone", "Tubular Bells", "Dulcimer", "Drawbar Organ", "Percussive Organ", "Rock Organ", "Church Organ", "Reed Organ", "Accordion", "Harmonica", "Tango Accordion", "Acoustic Guitar (nylon)", "Acoustic Guitar (steel)", "Electric Guitar (jazz)", "Electric Guitar (clean)", "Electric Guitar (muted)", "Overdriven Guitar", "Distortion Guitar", "Guitar harmonics", "Acoustic Bass", "Electric Bass (finger)", "Electric Bass (pick)", "Fretless Bass", "Slap Bass 1", "Slap Bass 2", "Synth Bass 1", "Synth Bass 2", "Violin", "Viola", "Cello", "Contrabass", "Tremolo Strings", "Pizzicato Strings", "Orchestral Harp", "Timpani", "String Ensemble 1", "String Ensemble 2", "SynthStrings 1", "SynthStrings 2", "Choir Aahs", "Voice Oohs", "Synth Voice", "Orchestra Hit", "Trumpet", "Trombone", "Tuba", "Muted Trumpet", "French Horn", "Brass Section", "SynthBrass 1", "SynthBrass 2", "Soprano Sax", "Alto Sax", "Tenor Sax", "Baritone Sax", "Oboe", "English Horn", "Bassoon", "Clarinet", "Piccolo", "Flute", "Recorder", "Pan Flute", "Blown Bottle", "Shakuhachi", "Whistle", "Ocarina", "Lead 1 (square)", "Lead 2 (sawtooth)", "Lead 3 (calliope)", "Lead 4 (chiff)", "Lead 5 (charang)", "Lead 6 (voice)", "Lead 7 (fifths)", "Lead 8 (bass+lead)", "Pad 1 (new age)", "Pad 2 (warm)", "Pad 3 (polysynth)", "Pad 4 (choir)", "Pad 5 (bowed)", "Pad 6 (metallic)", "Pad 7 (halo)", "Pad 8 (sweep)", "FX 1 (rain)", "FX 2 (soundtrack)", "FX 3 (crystal)", "FX 4 (atmosphere)", "FX 5 (brightness)", "FX 6 (goblins)", "FX 7 (echoes)", "FX 8 (sci-fi)", "Sitar", "Banjo", "Shamisen", "Koto", "Kalimba", "Bag pipe", "Fiddle", "Shanai", "Tinkle Bell", "Agogo", "Steel Drums", "Woodblock", "Taiko Drum", "Melodic Tom", "Synth Drum", "Reverse Cymbal", "Guitar Fret Noise", "Breath Noise", "Seashore", "Bird Tweet", "Telephone Ring", "Helicopter", "Applause", "Gunshot"
+
-        )
+        return gmInstruments.mapIndexed { index, text ->
+            val icon = text.substringBefore(' ')
+            val name = text.substringAfter(' ')
 
-        return gmInstruments.mapIndexed { index, name ->
             MidiInstrument(
+                icon = icon,
                 program = index,
                 name = name
             )
@@ -885,9 +933,4 @@ actual class FMediaPlayer actual constructor(
         val defaultProgram = 0
         return settings.getInt("voice_instrument", defaultProgram)
     }
-
-    fun loadSavedInstrumentsToPlayer(mediaPlayer: FMediaPlayer) {
-        val savedProgram = getVoiceInstrument()
-        mediaPlayer.changeInstru(savedProgram)
-    }
 }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/SettingsProvider.kt

@@ -0,0 +1,5 @@
+package mg.dot.feufaro
+
+import com.russhwolf.settings.Settings
+
+expect fun provideSettings(): Settings

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/Dynamic.kt

@@ -1,5 +1,7 @@
 package mg.dot.feufaro.midi
 
+import com.russhwolf.settings.Settings
+import mg.dot.feufaro.provideSettings
 import java.util.prefs.Preferences
 
 enum class Dynamic(val velocity: Int, val label: String, val defaultFactor: Float) {
@@ -10,8 +12,8 @@ enum class Dynamic(val velocity: Int, val label: String, val defaultFactor: Floa
     MF (80,  "mf",  1.00f),
     F  (96,  "f",   1.15f),
     FF (112, "ff",  1.35f),
-    FFF(126, "fff", 1.60f);
+    FFF(127, "fff", 1.60f);
-    private val prefs = Preferences.userRoot().node("mg.dot.feufaro")
+    private val prefs: Settings = provideSettings()
     var savedFactor: Float = prefs.getFloat("dynamic_${name.lowercase()}", defaultFactor)
         set(value) {
             field = value
@@ -22,11 +24,11 @@ enum class Dynamic(val velocity: Int, val label: String, val defaultFactor: Floa
         get() = if (isGloballyEnabled) savedFactor else 1.00f
 
     companion object {
-        private val globalPrefs = Preferences.userRoot().node("mg.dot.feufaro")
+        private val prefs: Settings = provideSettings()
-        var isGloballyEnabled: Boolean = globalPrefs.getBoolean("dynamics_enabled", true)
+        var isGloballyEnabled: Boolean = prefs.getBoolean("dynamics_enabled", true)
             set(value) {
                 field = value
-                globalPrefs.putBoolean("dynamics_enabled", value)
+                prefs.putBoolean("dynamics_enabled", value)
             }
 
         fun fromVelocity(v: Int): Dynamic =
@@ -35,5 +37,9 @@ enum class Dynamic(val velocity: Int, val label: String, val defaultFactor: Floa
         fun resetToDefaults() {
             entries.forEach { it.savedFactor = it.defaultFactor }
         }
+        fun fromLabel(label: String): Dynamic? {
+            val cleanedLabel = label.trim().lowercase()
+            return entries.find { it.label == cleanedLabel }
+        }
     }
 }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/MidiPitch.kt

@@ -12,7 +12,7 @@ data class MidiPitch (
     var duration: Int = 0,
     var markers: List<String> = listOf(),
     var tick : Int = 0,
-    var metaBytes: String = "",
+    var metaBytes: ByteArray = byteArrayOf(),
     var metaByteSize: Int = 0,
     var metaType : Int = -1
 ) {
@@ -22,8 +22,11 @@ data class MidiPitch (
         var curVoiceNumber: Int = 0
         var nextTick : MutableList<Int> = mutableListOf()
     }
-    fun setMeta(type: Int, tickMeta: Int, nb: Int, data0: Int, data1: Int = 0, data2: Int = 0, data3: Int = 0, data4: Int = 0) {
+    fun setMeta(type: Int, tickMeta: Int, nb: Int, vararg data: Int) {
-        metaBytes = ""+ data0.toChar() + data1.toChar() + data2.toChar() + data3.toChar() + data4.toChar()
+        val bytes = ByteArray(nb) { i ->
+            (data.getOrElse(i) { 0 } and 0xFF).toByte()
+        }
+        metaBytes = bytes
         tick = tickMeta
         metaByteSize = nb
         metaType = type
@@ -55,29 +58,32 @@ data class MidiPitch (
             nextTick.add(0)
         }
     }
-    fun initKey(theKey: String) {
+    fun initKey(theKey: String, isMinor: Boolean = false) {
         key = theKey
-        val armature = Transpose.toArmature(key)
+        val armature = Transpose.toArmature(theKey)
+
         val tickMeta = nextTick.getOrNull(0) ?: 0
-        setMeta(0x59, tickMeta, 2, armature)
+        val mode = if (isMinor) 1 else 0
+        setMeta(0x59, tickMeta, 2, armature, mode)
     }
     fun initMeasure(theMeasure: String): Boolean {
-        val numerator = theMeasure.replace(Regex("/.*"), "").toIntOrNull()
+        val parts = theMeasure.split("/")
-        val denominator = theMeasure.replace(Regex("^[^/]*/(\\d+).*$"), "$1").toIntOrNull() ?: 4
+        val numerator = parts.getOrNull(0)?.toIntOrNull() ?: return false
-        val data1 = when (denominator) {
+        val denominator = parts.getOrNull(1)?.toIntOrNull() ?: 4
+
+        val denomPower = when (denominator) {
             1 -> 0
             2 -> 1
             4 -> 2
             8 -> 3
             16 -> 4
-            else -> 5
+            32 -> 5
+            else -> 2
         }
-        val blankDuration = (4 * (numerator ?: 4) - ParseULine.blankDuration) * 15
+        val tickMeta = nextTick.getOrNull(0) ?: 0
-        if (numerator != null) {
+        setMeta(0x58, tickMeta, 4, numerator, denomPower, 24, 8)
-            setMeta(0x58, blankDuration, 4, numerator, data1, 60, 20)
+
-            return true
+        return true
-        }
-        return false
     }
     fun reset() {
         tick = 0

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt

@@ -31,4 +31,4 @@ expect class FMediaPlayer(filename: String, sharedScreenModel: SharedScreenModel
     fun getVoiceInstrument(): Int
 }
 
-data class MidiInstrument(val program: Int, val name: String)
+data class MidiInstrument(val icon: String = "\uD83C\uDFB9", val program: Int, val name: String)

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/MidiSequence.kt

@@ -36,7 +36,26 @@ class MidiSequence(val resolution: Int = 60) {
 
     fun addSequence(channel: Int, pitch: Int, currentTick: Long, type: Int = 80, finalVelocity: Int = 100) {
         val myTrack = tracks[0]
-        myTrack.addNote(channel, pitch, currentTick, type, finalVelocity)
+        if (type == 0xC0) {
+            myTrack.addProgramChange(channel, pitch, currentTick)
+        } else {
+            myTrack.addNote(channel, pitch, currentTick, type, finalVelocity)
+        }
+    }
+    fun MutableList<Byte>.addProgramChange(channel: Int, program: Int, currentTick: Long) {
+        val delta = currentTick - lastTick
+        lastTick = currentTick
+        val status = 0xC0 or (channel and 0x0F)
+
+        this.addMidiEvent(delta, status, program, null)
+    }
+    fun addControlChange(channel: Int, controller: Int, value: Int, currentTick: Long) {
+        val myTrack = if (tracks.isEmpty()) createTrack() else tracks[0]
+        val delta = (currentTick - lastTick).coerceAtLeast(0L)
+        lastTick = currentTick
+
+        val status = 0xB0 or (channel and 0x0F)
+        myTrack.addMidiEvent(delta, status, controller, value)
     }
     fun MutableList<Byte>.addNote(channel: Int, pitch: Int, currentTick: Long, type: Int = 80, finalVelocity: Int = 100) {
         // Calcul du Delta-Time
@@ -127,4 +146,20 @@ class MidiSequence(val resolution: Int = 60) {
         outTrack.addAll(data.toList().take(nbData))
 
     }
+    fun addMetaFe(type: Int, tick: Int, nbData: Int, metaByte: ByteArray) {
+        if (tracks.isEmpty()) {
+            tracks.add(mutableListOf<Byte>(0))
+        }
+        val outTrack = tracks[0]
+        // Un Meta Message commence toujours par FF, puis le type, puis la longueur
+        outTrack.addAll(0L.toVLQList())
+        outTrack.add(0xFF.toByte())        // Status byte
+        outTrack.add(type.toByte())        // Meta-event type
+        outTrack.addAll(nbData.toLong().toVLQList())
+        // Ajout des données
+        for (i in 0 until nbData) {
+            val byteVal = metaByte.getOrElse(i) { 0 }
+            outTrack.add(byteVal)
+        }
+    }
 }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/MidiWriterKotlin.kt

@@ -53,7 +53,8 @@ class MidiWriterKotlin  constructor(private val fileRepository: FileRepository)
         tick = 0
         pitches.forEach {
             if (it.metaType > 0) {
-                addMetaMessage(it.metaType, it.tick, it.metaByteSize, it.metaBytes)
+                val metaDataString = String(it.metaBytes, Charsets.ISO_8859_1)
+                addMetaMessage(it.metaType, it.tick, it.metaByteSize, metaDataString)
             } else if (it.pitch != "") {
                 addNote(it.voiceNumber, it.pitch.toInt(), 100, it.tick.toLong())
             }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/midi/MidiWriterforEXport.kt

@@ -0,0 +1,340 @@
+package mg.dot.feufaro.midi
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import mg.dot.feufaro.FileRepository
+import mg.dot.feufaro.solfa.Transpose
+import mg.dot.feufaro.viewmodel.MidiMarkers
+
+class MidiWriterforEXport  constructor(private val fileRepository: FileRepository) {
+    private val sequence = MidiSequence(480)
+    private val track    = sequence.createTrack()
+    private var tick: Long = 0
+    private var nextTick: MutableList<MidiPitch> = mutableListOf()
+    private val lastPitch : MutableList<Int> = mutableListOf()
+    private val useChord : Boolean = true
+    fun addNote( voiceNumber: Int, note: Int, velocity: Int, tick: Long) {
+        val channel = (voiceNumber -1).coerceIn(0, 3)
+        var finalNote = note
+
+        if (voiceNumber == 3 || voiceNumber == 4) {
+            finalNote -= 12
+        }
+        if (lastPitch.size > voiceNumber && lastPitch[voiceNumber] > 0) {
+            sequence.addSequence(channel, lastPitch[voiceNumber], tick)
+        }
+        var finalVelocity = velocity
+        var midiNote = finalNote
+        if (finalNote <= 0) {
+            midiNote = 40
+            finalVelocity = 0
+        }
+        sequence.addSequence(channel, midiNote, tick, 90, finalVelocity)
+
+        while(lastPitch.size <= voiceNumber) {
+            lastPitch.add(0)
+        }
+        lastPitch[voiceNumber] = midiNote
+    }
+    fun save(filePath: String) {
+        val parseScope = CoroutineScope(Dispatchers.Default)
+        parseScope.launch {
+            sequence.write()
+            fileRepository.saveFile(filePath, sequence.out.toByteArray())
+            //val fout = fileRepository.getOutputStream(filePath)
+        }
+    }
+    fun addMetaMessage(type: Int, tick: Int, nbData: Int, metaBytes: ByteArray) {
+        sequence.addMeta(type, tick, nbData, metaBytes.toString())
+    }
+
+    fun setTempoMeta(bpm: Float, tickPosition: Int = 0) {
+        val mpqn = (60_000_000f / bpm.coerceAtLeast(1f)).toInt()
+        val bytes = byteArrayOf(
+            (mpqn shr 16 and 0xFF).toByte(),
+            (mpqn shr 8 and 0xFF).toByte(),
+            (mpqn and 0xFF).toByte()
+        )
+        addMetaMessage(0x51, tickPosition, 3, bytes)
+    }
+    fun setProgramChange(voiceNumber: Int, instrumentProgram: Int, tickPosition: Long = 0) {
+        val channel = (voiceNumber - 1).coerceIn(0, 3)
+        val program = instrumentProgram.coerceIn(0, 127)
+        sequence.addSequence(channel, program, tickPosition, 0xC0, 0)
+    }
+
+    fun addControlChange(voiceNumber: Int, controller: Int, value: Int, tickPosition: Long) {
+        val channel = (voiceNumber - 1).coerceIn(0, 3)
+        val ctrl = controller.coerceIn(0, 127)
+        val valByte = value.coerceIn(0, 127)
+        sequence.addControlChange(channel, ctrl, valByte, tickPosition)
+    }
+
+    fun process(
+        pitches: List<MidiPitch>,
+        markers: List<MidiMarkers> = emptyList(),
+        initialBpm: Float = 120.0f,
+        voiceInstruments: Map<Int, Int> = mapOf(1 to 0, 2 to 0, 3 to 0, 4 to 0),
+        initialKey: String = "C"
+    ) {
+        val lastTick = 0
+        nextTick.clear()
+        // addMetaMessage(0x59, 4, 2, 2,0)
+        tick = 0
+        setTempoMeta(initialBpm, 0)
+        voiceInstruments.forEach { (voiceIndex, programNumber) ->
+            setProgramChange(voiceNumber = voiceIndex, instrumentProgram = programNumber, tickPosition = 0L)
+        }
+
+        val nuanceMap = mutableMapOf<Long, Int>()
+        val fermataTicks = mutableSetOf<Long>()
+        val textMetaMap = mutableMapOf<Long, MutableList<String>>()
+        val keyChangeMap = mutableMapOf<Long, String>()
+        val tempoChangeMap = mutableMapOf<Long, Float>()
+        val hairpinMap = mutableMapOf<Long, Pair<String, Long>>()
+        var pendingHairpinType: String? = null
+        var pendingHairpinStartTick: Long? = null
+
+        val modulaRegex = Regex("""D(ô|o)?\s*dia\s*(C|Db|D|Eb|E|F|Gb|G|Ab|A|Bb|B)""", RegexOption.IGNORE_CASE)
+        val tempoRegex = Regex("""^♩\s*=\s*(\d+)""", RegexOption.IGNORE_CASE)
+
+        markers.forEach { midiMarker ->
+            val gridIdx = (midiMarker.gridIndex ?: 0) * 480L
+            midiMarker.marker.forEach { text ->
+                val cleanText = text.trim()
+                val vel = getVelocityFromNuance(cleanText, -1)
+                val tempoMatch = tempoRegex.find(cleanText)
+                val modMatch = modulaRegex.find(cleanText)
+                /* Les nuances */
+                if (vel != -1) {
+                    nuanceMap[gridIdx] = vel
+                }
+
+                /* tempo */
+                if (tempoMatch != null) {
+                    val bpmValue = tempoMatch.groupValues[1].toFloatOrNull()
+                    if (bpmValue != null) tempoChangeMap[gridIdx] = bpmValue
+                }
+                if (text.contains("𝄐")) {
+                    fermataTicks.add(gridIdx)
+                }
+
+                /* Modulation */
+                if (modMatch != null) {
+                    val targetKey = modMatch.groupValues[2]
+                    keyChangeMap[gridIdx] = targetKey
+                }
+
+                /* Hairpins */
+                val isCres = cleanText == "<" || cleanText.lowercase().startsWith("cres")
+                val isDecres = cleanText == ">" || cleanText.lowercase().startsWith("decresc")
+
+                if (isCres || isDecres) {
+                    if (pendingHairpinStartTick != null && pendingHairpinType != null) {
+                        val defaultEnd = pendingHairpinStartTick!! + (2 * 480L)
+                        hairpinMap[pendingHairpinStartTick!!] = Pair(pendingHairpinType!!, defaultEnd)
+                    }
+
+                    pendingHairpinType = if (isCres) "<" else ">"
+                    pendingHairpinStartTick = gridIdx
+                } else if (cleanText == "=" && pendingHairpinStartTick != null && pendingHairpinType != null) {
+                    hairpinMap[pendingHairpinStartTick!!] = Pair(pendingHairpinType!!, gridIdx)
+                    pendingHairpinType = null
+                    pendingHairpinStartTick = null
+                }
+
+                if (!isCres && !isDecres && cleanText != "<" && cleanText != ">" && cleanText != "=" && !cleanText.contains("𝄐") && vel == -1 && tempoMatch == null && modMatch == null) {
+                    textMetaMap.getOrPut(gridIdx) { mutableListOf() }.add(text)
+                }
+            }
+        }
+
+        val processedFermataTicks = mutableSetOf<Long>()
+        val pendingSustainOff = mutableListOf<Pair<Long, Int>>()
+
+
+
+        var timeOffset = 0L
+        val holdDuration = 480L *3 // 480L:2noire *2:3noir *4:ronde
+
+        if (pendingHairpinStartTick != null && pendingHairpinType != null) {
+            val defaultEnd = pendingHairpinStartTick!! + (2 * 480L)
+            hairpinMap[pendingHairpinStartTick!!] = Pair(pendingHairpinType!!, defaultEnd)
+        }
+        var currentKey = initialKey
+        var baseVelocity = Dynamic.MF.velocity
+        var baseExpression = 64                // Expression MIDI standard (0 à 127)
+        val stepExpressionDelta = 10
+        val baseKeyIdx = Transpose.keyToNumber.indexOf(initialKey).coerceAtLeast(0)
+
+        val stepDelta = 20
+        val processedHairpins = mutableSetOf<Long>()
+
+        val pitchesByTick = pitches.groupBy { (it.tick) * 8L }.toSortedMap()
+        pitchesByTick.forEach { (rawTick, eventsAtTick) ->
+
+            /* Fermata CC*/
+            val adjustedTickForRelease = rawTick + timeOffset
+            val iterator = pendingSustainOff.iterator()
+            while (iterator.hasNext()) {
+                val (offTick, voiceNum) = iterator.next()
+                if (offTick <= adjustedTickForRelease) {
+                    addControlChange(voiceNumber = voiceNum, controller = 64, value = 0, tickPosition = offTick)
+                    iterator.remove()
+                }
+            }
+
+            var isFermataAtThisTick = false
+            if (fermataTicks.contains(rawTick) && !processedFermataTicks.contains(rawTick)) {
+                processedFermataTicks.add(rawTick)
+                isFermataAtThisTick = true
+
+                val fermataStartTick = rawTick + timeOffset
+                val offTickTarget = fermataStartTick + holdDuration
+
+                (1..4).forEach { v ->
+                    addControlChange(voiceNumber = v, controller = 64, value = 127, tickPosition = fermataStartTick)
+                    pendingSustainOff.add(Pair(offTickTarget, v))
+                }
+            }
+
+
+            /* Nuances */
+            if (nuanceMap.containsKey(rawTick)) {
+                baseVelocity = nuanceMap[rawTick] ?: Dynamic.MF.velocity
+            }
+
+            val adjustedTick = rawTick/* + timeOffset*/
+
+
+
+            // hairpin
+            hairpinMap.forEach { (startTick, pair) ->
+                val (type, endTick) = pair
+                if (rawTick >= endTick && !processedHairpins.contains(startTick)) {
+                    if (type == "<") {
+                        baseExpression = (baseExpression + stepDelta).coerceIn(0, 127)
+                    } else if (type == ">") {
+                        baseExpression = (baseExpression - stepDelta).coerceIn(0, 127)
+                    }
+                    processedHairpins.add(startTick)
+                }
+            }
+            var currentExpression = baseExpression
+
+            val activeHairpin = hairpinMap.entries.firstOrNull { (start, pair) ->
+                rawTick >= start && rawTick < pair.second
+            }
+
+            if (activeHairpin != null) {
+                val startTick = activeHairpin.key
+                val (type, endTick) = activeHairpin.value
+
+                if (endTick > startTick) {
+                    val progress = (rawTick - startTick).toDouble() / (endTick - startTick).toDouble()
+
+                    if (type == "<") {
+                        currentExpression = (baseExpression + (stepExpressionDelta * progress)).toInt().coerceIn(0, 127)
+                    } else if (type == ">") {
+                        currentExpression = (baseExpression - (stepExpressionDelta * progress)).toInt().coerceIn(0, 127)
+                    }
+
+                    (1..4).forEach { voiceNum ->
+                        addControlChange(voiceNumber = voiceNum, controller = 11, value = currentExpression, tickPosition = rawTick)
+                    }
+                }
+            }
+
+
+            // Tempo Meta 0x51
+            val pendingTempoTicks = tempoChangeMap.keys.filter { it <= rawTick }.sorted()
+            pendingTempoTicks.forEach { tempoRawTick ->
+                val newBpm = tempoChangeMap[tempoRawTick] ?: initialBpm
+                val tempoAdjustedTick = tempoRawTick/* + timeOffset*/
+
+                setTempoMeta(newBpm, tempoAdjustedTick.toInt())
+                tempoChangeMap.remove(tempoRawTick)
+            }
+
+            // Modulation Meta 0x59
+            val pendingKeyTicks = keyChangeMap.keys.filter { it <= rawTick }.sorted()
+            pendingKeyTicks.forEach { keyRawTick ->
+                val targetKey = keyChangeMap[keyRawTick] ?: initialKey
+                currentKey = targetKey
+
+                val keyAdjustedTick = keyRawTick/* + timeOffset*/
+                val keyIdx = Transpose.keyToNumber.indexOf(targetKey)
+
+                if (keyIdx != -1) {
+                    val sf = Transpose.keyToArmature[keyIdx]
+                    val keyBytes = byteArrayOf(sf.toByte(), 0.toByte()) // 0 = Majeur
+
+                    addMetaMessage(0x59, keyAdjustedTick.toInt(), 2, keyBytes)
+                }
+                keyChangeMap.remove(keyRawTick)
+            }
+
+
+            /* Tetxe; marker */
+            val pendingTextTicks = textMetaMap.keys.filter { it <= rawTick }.sorted()
+            pendingTextTicks.forEach { textRawTick ->
+                val textAdjustedTick = textRawTick/* + timeOffset*/
+
+                textMetaMap[textRawTick]?.forEach { annotationText ->
+                    addTextMeta(text = annotationText, tickPosition = textAdjustedTick, metaType = 0x06)
+                }
+                textMetaMap.remove(textRawTick)
+            }
+
+            eventsAtTick.forEach { noteEvent ->
+                // Note + transpose
+                val currentKeyIdx = Transpose.keyToNumber.indexOf(currentKey).coerceAtLeast(0)
+                val transpositionSemitones = currentKeyIdx - baseKeyIdx
+
+                if (noteEvent.metaType > 0) {
+                    addMetaMessage(noteEvent.metaType, adjustedTick.toInt(), noteEvent.metaByteSize, noteEvent.metaBytes)
+                } else if (noteEvent.pitch != "") {
+                    val finalTransposedPitch = noteEvent.pitch.toInt() + transpositionSemitones
+                    addNote(noteEvent.voiceNumber, finalTransposedPitch, baseVelocity, adjustedTick)
+                }
+            }
+
+            if (fermataTicks.contains(rawTick)) {
+                timeOffset += holdDuration
+            }
+        }
+
+        tempoChangeMap.forEach { (tempoRawTick, bpm) ->
+            val tempoAdjustedTick = tempoRawTick/* + timeOffset*/
+            setTempoMeta(bpm, tempoAdjustedTick.toInt())
+        }
+        tempoChangeMap.clear()
+
+
+        pendingSustainOff.forEach { (offTick, voiceNum) ->
+            addControlChange(voiceNumber = voiceNum, controller = 64, value = 0, tickPosition = offTick)
+        }
+        pendingSustainOff.clear()
+    }
+
+    fun getVelocityFromNuance(markerText: String, defaultVelocity: Int = -1): Int {
+        val dynamic = Dynamic.fromLabel(markerText)
+        if (dynamic != null) {
+            return dynamic.velocity
+        }
+        return -1
+    }
+    /**
+     * (Type 0x01 = Text, 0x06 = Marker, 0x05 = Lyric).
+     */
+    fun addTextMeta(text: String, tickPosition: Long, metaType: Int = 0x01) {
+        val bytes = text.toByteArray(Charsets.UTF_8)
+        addMetaMessage(
+            type = metaType,
+            tick = tickPosition.toInt(),
+            nbData = bytes.size,
+            metaBytes = bytes
+        )
+    }
+}

composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Solfa.kt

@@ -1,16 +1,23 @@
 package mg.dot.feufaro.solfa
 
 import SharedScreenModel
+import com.russhwolf.settings.Settings
 import kotlinx.coroutines.*
 import mg.dot.feufaro.FileRepository
 import mg.dot.feufaro.SaveSettings
 import mg.dot.feufaro.getGlobalTemplate
+import mg.dot.feufaro.getPlatform
 import mg.dot.feufaro.launchFilePicker
 import mg.dot.feufaro.midi.MidiPitch
 import mg.dot.feufaro.midi.MidiWriterKotlin
+import mg.dot.feufaro.midi.MidiWriterforEXport
+import mg.dot.feufaro.provideSettings
 import mg.dot.feufaro.viewmodel.PartitionMetadata
 import mg.dot.feufaro.transformLyricsInput
+import org.koin.core.component.inject
 import java.io.File
+import java.util.prefs.Preferences
+import kotlin.getValue
 import kotlin.math.min
 
 //@todo: split voices (ffpm19/ews22) ${S:mfs} in N4:, idem ffpm-212
@@ -251,6 +258,25 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
             sharedScreenModel.setStanza(1)
         }
     }
+
+    private val prefs: Settings = provideSettings()
+
+    fun generateMidiFile(bpm: Float) {
+        val parseScope = CoroutineScope(Dispatchers.Default)
+        parseScope.launch {
+            val pitchesSorted = pitches.sortedWith(compareBy({ it.tick }, { it.voiceNumber }))
+            val midiWriter = MidiWriterforEXport(fileRepository)
+
+            val instruments = mapOf(
+                1 to prefs.getInt("voice_instrument", 0),
+                2 to prefs.getInt("voice_instrument", 0),
+                3 to prefs.getInt("voice_instrument", 0),
+                4 to prefs.getInt("voice_instrument", 0),
+            )
+            midiWriter.process(pitchesSorted, sharedScreenModel.getFullMarkers(), initialBpm = bpm, instruments, initialKey = sharedScreenModel.songKey.value)
+            midiWriter.save("whawyd3.mid")
+        }
+    }
     fun justBuild(sourceFile: String, sourceContent: String)  {
         currentFile = sourceFile
         val parseScope = CoroutineScope(Dispatchers.Default)
@@ -1987,12 +2013,17 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
                 val z = midiPitch.copy()
                 if (z.tick != 0) {
                     val tickMeta = midiPitch.tick
-                    val numerator = midiPitch.metaBytes.toByteArray()[0].toInt()
+                    val numerator = (midiPitch.metaBytes.getOrNull(0)?.toInt() ?: 4) and 0xFF
-                    val denominatorPower = midiPitch.metaBytes.toByteArray()[1].toInt()
+                    val denominatorPower = (midiPitch.metaBytes.getOrNull(1)?.toInt() ?: 2) and 0xFF
                     val denominator = 1 shl denominatorPower
                     z.tick = 0
                     val newNumerator = tickMeta / 15 / denominator
-                    z.metaBytes = "" + newNumerator.toChar() + denominatorPower.toChar() + 60.toChar() + 20.toChar()
+                    z.metaBytes = byteArrayOf(
+                        newNumerator.toByte(),
+                        denominatorPower.toByte(),
+                        60.toByte(),
+                        20.toByte()
+                    )
 
                     pitches.add(z)
                 }
@@ -2005,7 +2036,7 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
             } else if (typeBlock == "meta") {
                 pitches.add(midiPitch.copy())
             }
-            midiPitch.metaBytes = ""
+            midiPitch.metaBytes = byteArrayOf()
             midiPitch.metaType = -1
             midiPitch.duration = 0
             lastNoteString = ""
@@ -2015,7 +2046,7 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
 
         midiPitch.currentVoiceNumber(voiceNumber)
         if (voiceNumber == 1) {
-            midiPitch.initKey(meta["C"] ?: "C")
+            midiPitch.initKey(meta["C"] ?: "C", meta["C"]?.endsWith("m") ?: false)
             pushMidi("meta")
             if (midiPitch.initMeasure(meta["m"] ?: "4/4")) {
                 pushMidi("measure")

composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Transpose.kt

@@ -24,7 +24,7 @@ class Transpose {
         val octaveSigns = listOf("₄", "₃", "₂", "₁", "", "¹", "²", "³", "⁴")
         val noteToNumber = listOf("d", "di", "r", "ri", "m", "f", "fi", "s", "si", "l", "ta", "t")
         val keyToNumber = listOf("C", "Db", "D", "Eb", "E", "F", "Gb", "G", "Ab", "A", "Bb", "B" )
-        val keyToArmature = listOf(0,   -7,   2,  -3,   4,   -1,  -6,   1,    -4,  3,   -2,   5  )
+        val keyToArmature = listOf(0,   -5,   2,  -3,   4,   -1,  -6,   1,    -4,  3,   -2,   5  )
         fun transposeText(text: String, interval: Int): String {
             if (text.isEmpty()) return text
 
@@ -100,9 +100,51 @@ class Transpose {
             }
         }
         fun toArmature(note: String): Int {
-            val index = keyToNumber.indexOf(note)
+            val cleanKey = note.trim()
-            return keyToArmature.getOrNull(index) ?: 0
+            val isMinor = cleanKey.endsWith("m", ignoreCase = true) && !cleanKey.lowercase().endsWith("dim")
+            val rootNote = if (isMinor) cleanKey.dropLast(1) else cleanKey
+            if (isMinor) {
+                val relativeMajor = when (rootNote.uppercase()) {
+                    "AB" -> "CB"
+                    "EB" -> "GB"
+                    "BB" -> "DB"
+                    "F"  -> "AB"
+                    "C"  -> "EB"
+                    "G"  -> "BB"
+                    "D"  -> "F"
+                    "A"  -> "C"
+                    "E"  -> "G"
+                    "B"  -> "D"
+                    "F#" -> "A"
+                    "C#" -> "E"
+                    "G#" -> "B"
+                    "D#" -> "F#"
+                    "A#" -> "C#"
+                    else -> rootNote
+                }
+                return toArmature(relativeMajor)
+            }
+
+            return when (rootNote.uppercase()) {
+                "C"  -> 0
+                "G"  -> 1
+                "D"  -> 2
+                "A"  -> 3
+                "E"  -> 4
+                "B"  -> 5
+                "F#" -> 6
+                "C#" -> 7
+                "F"  -> -1
+                "BB" -> -2
+                "EB" -> -3
+                "AB" -> -4
+                "DB" -> -5
+                "GB" -> -6
+                "CB" -> -7
+                else -> 0
+            }
         }
+
         fun transposeMidi(note: String, fromKey: String) : Pair<String, Int> {
             return Pair(note, 4)
         }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/DrawerUI.kt

@@ -254,6 +254,7 @@ fun MainScreenWithDrawer(
         if (showSettingsDialog) {
             Settings(
                 sharedScreenModel = sharedScreenModel,
+                solfaScreenModel,
                 onDismissRequest = {
                     showSettingsDialog = false
                 },
@@ -448,8 +449,10 @@ fun MainScreenWithDrawer(
                             }, actions = {
                                 var tempInterval by remember(fileContent) { mutableStateOf(0) }
                                 var isEyeVisible by remember { mutableStateOf(false) }
+                                val isMinor = songKey.endsWith("m", ignoreCase = true)
+                                val cleanSongKey = if (isMinor) songKey.dropLast(1) else songKey
                                 val keysOrder = Transpose.keyToNumber
-                                val songKeyIndex = keysOrder.indexOf(songKey).takeIf { it != -1 } ?: 0
+                                val songKeyIndex = keysOrder.indexOf(cleanSongKey).takeIf { it != -1 } ?: 0
                                 val rawKeyIndex = (songKeyIndex + tempInterval) % 12
                                 val tempUiKey = keysOrder[if (rawKeyIndex < 0) rawKeyIndex + 12 else rawKeyIndex]
                                 val appliedInterval by sharedScreenModel.transpositionInterval.collectAsState()
@@ -465,7 +468,7 @@ fun MainScreenWithDrawer(
                                         verticalAlignment = Alignment.CenterVertically
                                     ) {
                                         Text(
-                                            text = tempUiKey,
+                                            text = if(isMinor) "${tempUiKey}m" else tempUiKey,
                                             style = MaterialTheme.typography.displaySmall,
                                             fontWeight = FontWeight.Black,
                                             textAlign = TextAlign.Center,
@@ -477,7 +480,7 @@ fun MainScreenWithDrawer(
                                                 ) {
                                                     isEyeVisible = !isEyeVisible
                                                 }
-                                                .width(45.dp)
+                                                .width(65.dp)
                                         )
                                     }
 
@@ -809,7 +812,8 @@ fun MainScreenWithDrawer(
                                                         },
                                                         onVoiceVolumeChange = { index, volume ->
                                                             player?.updateVoiceVolume(index, volume)
-                                                        }
+                                                        },
+                                                        sharedScreenModel = sharedScreenModel
                                                     )
                                                 } else {
                                                     Text("Sélectionner un morceau")

composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/MidiControlPanel.kt

@@ -1,5 +1,6 @@
 package mg.dot.feufaro.ui
 
+import SharedScreenModel
 import androidx.compose.animation.*
 import androidx.compose.animation.core.LinearEasing
 import androidx.compose.animation.core.tween
@@ -32,6 +33,7 @@ import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.russhwolf.settings.Settings
 import feufaro.composeapp.generated.resources.Res
 import feufaro.composeapp.generated.resources.ic_mixer_satb
 import feufaro.composeapp.generated.resources.ic_organ
@@ -40,6 +42,7 @@ import feufaro.composeapp.generated.resources.mixer_fader
 import kotlinx.coroutines.delay
 import mg.dot.feufaro.getPlatform
 import mg.dot.feufaro.midi.FMediaPlayer
+import mg.dot.feufaro.provideSettings
 import org.jetbrains.compose.resources.painterResource
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -55,6 +58,7 @@ fun MidiControlPanel(
     onVolumeChange: (Float) -> Unit,
     onVoiceVolumeChange: (voiceIndex: Int, newVolume: Float) -> Unit,
     mediaPlayer: FMediaPlayer,
+    sharedScreenModel: SharedScreenModel,
     modifier: Modifier = Modifier
 ) {
     val momo = duration.toInt() - currentPos.toInt()
@@ -71,8 +75,14 @@ fun MidiControlPanel(
     }
     val labels = listOf("S", "A", "T", "B")
     listOf("Soprano", "Alto", "Ténor", "Basse")
+    val activeBpm by sharedScreenModel.getBpmFlow().collectAsState(initial = 120f)
+    var tempo by remember { mutableStateOf(120f) }
 
-    var tempo by remember { mutableStateOf(120.toFloat()) }
+    LaunchedEffect(activeBpm) {
+        if (activeBpm > 0f) {
+            tempo = activeBpm
+        }
+    }
     var currentBpm by remember { mutableStateOf(mediaPlayer.getCurrentBPM()) }
 
     var isPianoSelected by remember { mutableStateOf(true) }
@@ -82,6 +92,7 @@ fun MidiControlPanel(
     val platform = getPlatform().name
     val coroutineScope = rememberCoroutineScope()
 
+    val prefs: Settings = provideSettings()
     LaunchedEffect(currentPos, duration, solfaScrollState.viewportSize, solfaScrollState.maxValue) {
         if (duration > 0f && solfaScrollState.maxValue > 0) {
             val progress = (currentPos / duration).coerceIn(0f, 1f)
@@ -99,9 +110,9 @@ fun MidiControlPanel(
             )
         }
     }
-    LaunchedEffect(tempo) {
+    /*LaunchedEffect(tempo) {
         currentBpm = mediaPlayer.getCurrentBPM()
-    }
+    }*/
     fun updateTempoToBpm(newBpm: Int) {
         tempo = newBpm.toFloat()
         mediaPlayer?.setTempo(tempo)
@@ -319,7 +330,7 @@ fun MidiControlPanel(
                                     }
                                 }
 
-                                if (tempo <= 160) { // limite 160BPM
+                                if (tempo <= 320) {
                                     IconButton(
                                         modifier = Modifier.background(Color(0XFF2C3130)),
                                         onClick = { updateTempoByBpmStep(10) }) {
@@ -436,11 +447,12 @@ fun MidiControlPanel(
                         }
                     }
 
+                    val selectedInstru = prefs.getInt("voice_instrument", 1)
                     val instrumentButton = @Composable {
                         IconButton(
                             onClick = {
                                 isPianoSelected = !isPianoSelected
-                                mediaPlayer?.changeInstru(if (isPianoSelected) 1 else 20)
+                                mediaPlayer?.changeInstru(if (isPianoSelected) selectedInstru else 16)
                             }
                         ) {
                             if (isPianoSelected) {

composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/Settings.kt

@@ -28,6 +28,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.DialogProperties
+import com.russhwolf.settings.Settings
 import feufaro.composeapp.generated.resources.Emmentaler
 import feufaro.composeapp.generated.resources.Res
 import kotlinx.coroutines.CoroutineScope
@@ -36,18 +37,22 @@ import mg.dot.feufaro.DisplayConfigManager
 import mg.dot.feufaro.getPlatform
 import mg.dot.feufaro.midi.Dynamic
 import mg.dot.feufaro.midi.MidiInstrument
+import mg.dot.feufaro.provideSettings
+import mg.dot.feufaro.viewmodel.SolfaScreenModel
 import org.jetbrains.compose.resources.Font
-import org.jetbrains.compose.resources.FontResource
 import org.koin.compose.koinInject
 
 @OptIn(ExperimentalMaterial3Api::class, ExperimentalLayoutApi::class)
 @Composable
 fun Settings(
     sharedScreenModel: SharedScreenModel,
+    solfaScreenModel: SolfaScreenModel,
     onDismissRequest: () -> Unit,
     expandedDropdownN: Boolean,
     isAndroid: Boolean
 ) {
+    val prefs: Settings = provideSettings()
+    var hasCountIn by remember { mutableStateOf(prefs.getBoolean("isCountIn", true)) }
     var isDynamicEnabled by remember { mutableStateOf(Dynamic.isGloballyEnabled) }
     var refreshTrigger by remember { mutableStateOf(0) }
     val isFullScreenEnabled by sharedScreenModel.isFullScreen.collectAsState()
@@ -86,7 +91,7 @@ fun Settings(
         mutableStateOf(player?.getVoiceInstrument() ?: 1)
     }
     val selectedInstrument = instruments.find { it.program == globalInstrumentProgram }
-        ?: MidiInstrument(globalInstrumentProgram, "Instrument $globalInstrumentProgram")
+        ?: MidiInstrument(program = globalInstrumentProgram, name = "Instrument $globalInstrumentProgram")
 
     val menuScrollState = rememberScrollState()
     var expandedDropdown by remember { mutableStateOf(false) }
@@ -369,24 +374,40 @@ fun Settings(
                     Column(modifier = Modifier.padding(top = 8.dp),
                         verticalArrangement = Arrangement.spacedBy(2.dp)
                     ) {
-                        Row(
+                        Text(
-                            modifier = Modifier.fillMaxWidth(),
+                            text = "Réglage de la nuance",
-                            horizontalArrangement = Arrangement.End,
+                            style = MaterialTheme.typography.titleMedium,
-                            verticalAlignment = Alignment.CenterVertically
+                            fontWeight = FontWeight.Bold,
+                            color = MaterialTheme.colorScheme.onSurface
+                        )
+                        Surface(
+                            shape = RoundedCornerShape(12.dp),
+                            color = MaterialTheme.colorScheme.surfaceContainerLow,
+                            modifier = Modifier.fillMaxWidth()
                         ) {
                             Row(
-                                verticalAlignment = Alignment.CenterVertically,
+                                modifier = Modifier.fillMaxWidth()
-                                horizontalArrangement = Arrangement.spacedBy(10.dp)
+                                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                                horizontalArrangement = Arrangement.SpaceBetween,
+                                verticalAlignment = Alignment.CenterVertically
                             ) {
-                                Text(if(isDynamicEnabled) "Désactiver" else "Activer", fontWeight = FontWeight.Bold, fontSize = 15.sp)
+                                Row(
-                                Switch(
+                                    verticalAlignment = Alignment.CenterVertically,
-                                    checked = isDynamicEnabled,
+                                    horizontalArrangement = Arrangement.spacedBy(5.dp)
-                                    onCheckedChange = { enabled ->
+                                ) {
-                                        isDynamicEnabled = enabled
+                                    Switch(
-                                        Dynamic.isGloballyEnabled = enabled
+                                        checked = isDynamicEnabled,
-                                        refreshTrigger++
+                                        onCheckedChange = { enabled ->
-                                    }
+                                            isDynamicEnabled = enabled
-                                )
+                                            Dynamic.isGloballyEnabled = enabled
+                                            refreshTrigger++
+                                        }
+                                    )
+                                    Text(
+                                        if (isDynamicEnabled) "Désactiver" else "Activer",
+                                        fontSize = 15.sp
+                                    )
+                                }
 
                                 OutlinedButton(
                                     onClick = {
@@ -606,7 +627,7 @@ fun Settings(
                                 modifier = Modifier.weight(1f)
                             ) {
                                 OutlinedTextField(
-                                    value = "${selectedInstrument.name}",
+                                    value = "${selectedInstrument.icon} - ${selectedInstrument.name}",
                                     onValueChange = {},
                                     readOnly = true,
                                     trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expandedDropdown) },
@@ -642,13 +663,13 @@ fun Settings(
                                                    },
                                                 onClick = {
                                                     globalInstrumentProgram = instrument.program
-
+                                                    sharedScreenModel.saveVoiceInstrument(instrument.program)
-                                                    player?.changeInstru(instrument.program)
+                                                    solfaScreenModel.regenMidi(120.0f)
-                                                    player?.saveVoiceInstrument(instrument.program)
+                                                    sharedScreenModel.loadNewSong("whawyd3.mid")
                                                     expandedDropdown = false
                                                 },
                                                 leadingIcon = {
-                                                    Text("🎹")
+                                                    Text(instrument.icon)
                                                 },
                                                 trailingIcon = {
                                                     if (isSelected) {
@@ -672,6 +693,67 @@ fun Settings(
                                 }
                             }
                         }
+
+                        HorizontalDivider(
+                            color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.2f),
+                            modifier = Modifier.padding(vertical = 12.dp)
+                        )
+
+                        Text(
+                            text = "Règlage du player",
+                            style = MaterialTheme.typography.bodyLarge,
+                            fontWeight = FontWeight.Bold,
+                            color = MaterialTheme.colorScheme.onSurface,
+                            modifier = Modifier.padding(bottom = 8.dp)
+                        )
+
+                        Surface(
+                            shape = RoundedCornerShape(12.dp),
+                            color = MaterialTheme.colorScheme.surfaceContainerLow,
+                            modifier = Modifier.fillMaxWidth()
+                        ) {
+                            Row(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                                horizontalArrangement = Arrangement.SpaceBetween,
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Text(
+                                    text = "Décompte avant la lecture ",
+                                    style = MaterialTheme.typography.bodyMedium,
+                                    fontWeight = FontWeight.Normal,
+                                    color = MaterialTheme.colorScheme.onSurface,
+                                    modifier = Modifier.padding(bottom = 8.dp)
+                                )
+                                Row(
+                                    verticalAlignment = Alignment.CenterVertically,
+                                    horizontalArrangement = Arrangement.spacedBy(10.dp)
+                                ) {
+                                    if(!isAndroid) {
+                                        Text(
+                                            if (hasCountIn) "Désactiver" else "Activer",
+                                            fontSize = 15.sp
+                                        )
+                                    }
+                                    Switch(
+                                        checked = hasCountIn,
+                                        onCheckedChange = { enabled ->
+                                            hasCountIn = enabled
+                                            prefs.putBoolean("isCountIn", enabled)
+                                        },
+                                        colors = SwitchDefaults.colors(
+                                            checkedThumbColor = MaterialTheme.colorScheme.onPrimary,
+                                            checkedTrackColor = MaterialTheme.colorScheme.primary,
+                                            uncheckedThumbColor = MaterialTheme.colorScheme.outline,
+                                            uncheckedTrackColor = MaterialTheme.colorScheme.surfaceContainerHighest,
+                                            uncheckedBorderColor = MaterialTheme.colorScheme.outline
+                                        ),
+                                        modifier = Modifier.size(45.dp)
+                                    )
+                                }
+                            }
+                        }
                     }
                 }
             }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/viewmodel/SharedScreenModel.kt

@@ -1,9 +1,11 @@
 import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.setValue
 import cafe.adriel.voyager.core.model.ScreenModel
 import cafe.adriel.voyager.core.model.screenModelScope
+import com.russhwolf.settings.Settings
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -22,6 +24,7 @@ import mg.dot.feufaro.data.GridTUOData
 import mg.dot.feufaro.data.getCombinedList
 import mg.dot.feufaro.solfa.TimeUnitObject
 import mg.dot.feufaro.midi.FMediaPlayer
+import mg.dot.feufaro.provideSettings
 import mg.dot.feufaro.solfa.TUOEditState
 import mg.dot.feufaro.solfa.getAllMarker
 import mg.dot.feufaro.viewmodel.MidiMarkers
@@ -72,6 +75,17 @@ class SharedScreenModel(private val fileRepository: FileRepository) : ScreenMode
     private val _drawerItems = MutableStateFlow<List<DrawerItem>>(emptyList())
     val drawerItems: StateFlow<List<DrawerItem>> = _drawerItems.asStateFlow()
 
+    private val prefs: Settings = provideSettings()
+
+    private val _currentBpmFlow = MutableStateFlow(120f)
+    val currentBpmFlow: StateFlow<Float> = _currentBpmFlow.asStateFlow()
+
+    fun setBpmFlow(newBpm: Float) {
+        _currentBpmFlow.value = newBpm
+    }
+    fun getBpmFlow(): StateFlow<Float> {
+        return currentBpmFlow
+    }
     val internalItems: StateFlow<List<DrawerItem>> = _drawerItems
         .map { list -> list.filter { it.path.startsWith("assets://") } }
         .stateIn(screenModelScope, SharingStarted.Lazily, emptyList())
@@ -845,4 +859,11 @@ class SharedScreenModel(private val fileRepository: FileRepository) : ScreenMode
         return _playlist.value[playlistIndex]
     }
 
+    fun getVoiceInstrument(): Int {
+        val defaultProgram = 0
+        return prefs.getInt("voice_instrument", defaultProgram)
+    }
+    fun saveVoiceInstrument(program: Int) {
+        prefs.putInt("voice_instrument", program)
+    }
 }

composeApp/src/commonMain/kotlin/mg/dot/feufaro/viewmodel/SolfaScreenModel.kt

@@ -55,4 +55,7 @@ class SolfaScreenModel(
             solfa.createNewSolfa(metadata)
         }
     }
+    fun regenMidi(bpm: Float) {
+        solfa.generateMidiFile(bpm)
+    }
 }

composeApp/src/desktopMain/kotlin/mg/dot/feufaro/SettingsProvider.kt

@@ -0,0 +1,10 @@
+package mg.dot.feufaro
+
+import com.russhwolf.settings.PreferencesSettings
+import com.russhwolf.settings.Settings
+import java.util.prefs.Preferences
+
+actual fun provideSettings(): Settings {
+    val javaPrefs = Preferences.userRoot().node("mg.dot.feufaro")
+    return PreferencesSettings(javaPrefs)
+}

composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt

@@ -1,18 +1,12 @@
 package mg.dot.feufaro.midi
 
 import SharedScreenModel
+import com.russhwolf.settings.Settings
 import kotlinx.coroutines.*
-import mg.dot.feufaro.getConfigDirectoryPath
+import mg.dot.feufaro.provideSettings
-import mg.dot.feufaro.viewmodel.MidiMarkers
+import mg.dot.feufaro.solfa.Transpose
 import java.io.File
-import java.util.prefs.Preferences
+import javax.sound.midi.*
-import javax.sound.midi.MetaMessage
-import javax.sound.midi.MidiSystem
-import javax.sound.midi.Sequence
-import javax.sound.midi.Sequencer
-import javax.sound.midi.ShortMessage
-import javax.sound.midi.Synthesizer
-import javax.sound.midi.Track
 import javax.sound.sampled.AudioSystem
 import javax.sound.sampled.FloatControl
 
@@ -29,7 +23,7 @@ actual class FMediaPlayer actual constructor(
         null
     }
 
-    private val prefs = Preferences.userRoot().node("mg.dot.feufaro")
+    private val prefs: Settings = provideSettings()
     private var synthetizer = MidiSystem.getSynthesizer() as Synthesizer?
 
     private var pointA: Long = -1L
@@ -41,8 +35,8 @@ actual class FMediaPlayer actual constructor(
     private var currentDynamicVelocity: Int = Dynamic.MF.velocity
     private var currentDynamicFactor: Float = Dynamic.MF.factor
 
-    private var currentTempo: Float = 1.0f
     private var targetBpm: Float = 120f
+    private var initialBpm: Float = 120f
     private val playerScope = CoroutineScope(Dispatchers.Default + SupervisorJob())
     private var abJob: Job? = null
 
@@ -69,7 +63,9 @@ actual class FMediaPlayer actual constructor(
         val isTempoChange: Boolean = false,
         val tempoType: String = "",
         val endGridForTempo: Int = -1,
-        val targetTempoMultiplier: Float = 0.6f
+        val targetTempoMultiplier: Float = 0.6f,
+        val newBpm: Float? = null,
+        val newKey: String? = null
 
     )
     private val navigationSteps = mutableListOf<NavigationStep>()
@@ -254,6 +250,8 @@ actual class FMediaPlayer actual constructor(
         var lastFactor = Dynamic.MF.factor
         val ritRegex = Regex("""rit\.?|ritard\.?|ritenuto\.?|ritardando""", RegexOption.IGNORE_CASE)
         val rallRegex = Regex("""rall\.?|rallent\.?|rallentando""", RegexOption.IGNORE_CASE)
+        val modulaRegex = Regex("""D(ô|o)?\s*dia\s*(C|Db|D|Eb|E|F|Gb|G|Ab|A|Bb|B)""", RegexOption.IGNORE_CASE)
+        val tempoRegex = Regex("""^♩\s*=\s*(\d+)""", RegexOption.IGNORE_CASE)
 
         metadataList.forEach { midiMarker ->
             val currentIndex = midiMarker.gridIndex ?: 0
@@ -278,6 +276,37 @@ actual class FMediaPlayer actual constructor(
                 val hasFin = finReg.containsMatchIn(mTrim) || finReg.containsMatchIn(nextTrim)
                 val isDcFin = hasDc && hasFin
                 val isDsFin = hasDs && hasFin
+
+                // Changement de Tempo ♩=
+                val tempoMatch = tempoRegex.find(mTrim)
+                if (tempoMatch != null) {
+                    val bpmVal = tempoMatch.groupValues[1].toFloatOrNull()
+                    if (bpmVal != null) {
+                        navigationSteps.add(
+                            NavigationStep(
+                                marker = mTrim,
+                                gridIndex = currentIndex,
+                                newBpm = bpmVal
+                            )
+                        )
+                        println("Changement de BPM mémorisé à la grille $currentIndex -> $bpmVal BPM")
+                    }
+                }
+
+                // ModulationDo dia C
+                val modMatch = modulaRegex.find(mTrim)
+                if (modMatch != null) {
+                    val targetKey = modMatch.groupValues[2]
+                    navigationSteps.add(
+                        NavigationStep(
+                            marker = mTrim,
+                            gridIndex = currentIndex,
+                            newKey = targetKey
+                        )
+                    )
+                    println("Modulation mémorisée à la grille $currentIndex -> $targetKey")
+                }
+
                 when {
                     //DSFin
                     isDsFin || isDcFin -> {
@@ -529,11 +558,46 @@ actual class FMediaPlayer actual constructor(
                     val currentSteps = navigationSteps.filter {
                         it.gridIndex == currentIndex && !it.alreadyDone
                     }
-                    currentSteps.forEach { step ->
+                    for (step in currentSteps) {
                         if (Math.abs(sequencer!!.tempoInBPM - targetBpm) > 0.1 && !isInTempoChange) {
                             forceTempo(targetBpm.toDouble())
                         }
                         when {
+                            //♩
+                            step.newBpm != null -> {
+                                step.alreadyDone = true
+                                println("Exécution changement de tempo : ${step.newBpm} BPM à la grille $currentIndex")
+                                targetBpm = step.newBpm
+                                forceTempo(targetBpm.toDouble())
+                                sharedScreenModel.setBpmFlow(step.newBpm)
+                            }
+
+                            // Modulation
+                            step.newKey != null -> {
+                                step.alreadyDone = true
+                                //println("Exécution modulation vers tonalité ${step.newKey} à la grille $currentIndex")
+                                val baseKeyIdx = Transpose.keyToNumber.indexOf("C").coerceAtLeast(0)
+                                val targetKeyIdx = Transpose.keyToNumber.indexOf(step.newKey).coerceAtLeast(0)
+                                val semitonesShift = targetKeyIdx - baseKeyIdx
+
+                                val pitchBendValue = (8192 + (semitonesShift * 2048)).coerceIn(0, 16383)
+
+                                try {
+                                    val synth = synthetizer
+                                    if (synth != null) {
+                                        val channels = synth.channels
+                                        if (channels != null) {
+                                            val count = if (channels.size < 4) channels.size else 4
+                                            for (i in 0 until count) {
+                                                val channel: MidiChannel? = channels[i]
+                                                channel?.setPitchBend(pitchBendValue)
+                                            }
+                                        }
+                                    }
+                                } catch (e: Exception) {
+                                    e.printStackTrace()
+                                }
+                            }
                             step.isFin -> {
                                 if(step.finActive) {
                                     step.alreadyDone = true
@@ -658,13 +722,24 @@ actual class FMediaPlayer actual constructor(
         val tick = (gridIndex.toDouble() * resolution).toLong()
         sequencer?.tickPosition = tick
 
+        val initialOrPreviousBpm = navigationSteps
+            .filter { it.newBpm != null && it.gridIndex <= gridIndex }
+            .maxByOrNull { it.gridIndex }?.newBpm ?: 120f
+
+        targetBpm = initialOrPreviousBpm
         applyBpm()
+        sharedScreenModel.setBpmFlow(initialOrPreviousBpm)
         // Voir les velocity avant
         val lastDynamic = navigationSteps
             .filter { it.dynamic != null && it.gridIndex <= gridIndex }
             .maxByOrNull { it.gridIndex }
             ?.dynamic ?: Dynamic.MF
         currentDynamicFactor = lastDynamic.factor
+        navigationSteps.forEach { step ->
+            if (step.gridIndex > gridIndex) {
+                step.alreadyDone = false
+            }
+        }
         applyVoiceStates()
     }
 
@@ -676,6 +751,13 @@ actual class FMediaPlayer actual constructor(
         if (sequencer?.isOpen == true) {
             val currentTick = sequencer?.tickPosition ?: 0L
             if (currentTick == 0L) {
+                resetNavigationFlags()
+                targetBpm = initialBpm
+                forceTempo(initialBpm.toDouble())
+                boundModel?.setBpmFlow(initialBpm)
+            }
+            val countInEnable = prefs.getBoolean("isCountIn", true)
+            if (currentTick == 0L && countInEnable) {
                 playCountIn()
             } else {
                 startMidiPlayback()
@@ -805,6 +887,9 @@ actual class FMediaPlayer actual constructor(
         navigationJob?.cancel()
         resetNavigationFlags()
         navigationSteps.clear()
+        targetBpm = initialBpm
+        sequencer?.tempoInBPM = initialBpm
+        boundModel?.setBpmFlow(initialBpm)
         clearLoop()
         currentDynamicFactor = Dynamic.MF.factor
         resetTempoToNormal()
@@ -929,12 +1014,14 @@ actual class FMediaPlayer actual constructor(
 
     actual fun setTempo(bpm: Float){
         this.targetBpm = bpm
+        this.initialBpm = bpm
         sequencer?.tempoInBPM = bpm
         boundModel?.let { modele ->
             val seq = sequencer?.sequence
             if (seq != null) {
                 syncTuoWithMidi(seq, modele)
             }
+            modele.setBpmFlow(bpm)
             prepareNavigation(modele)
         }
         println("Tempo réglé à : $bpm BPM")
@@ -947,18 +1034,18 @@ actual class FMediaPlayer actual constructor(
             }
             synthesizer.availableInstruments.map { instrument ->
                 MidiInstrument(
+                    icon = "\uD83C\uDFB9",
                     program = instrument.patch.program,
                     name = instrument.name.trim()
                 )
             }.sortedBy { it.program }
         } catch (e: Exception) {
-            listOf(MidiInstrument(0, "Acoustic Grand Piano"), MidiInstrument(19, "Church Organ"))
+            listOf(MidiInstrument("🎹", 0, "Acoustic Grand Piano"), MidiInstrument("🎹", 19, "Church Organ"))
         }
     }
 
     actual fun saveVoiceInstrument(program: Int) {
         prefs.putInt("voice_instrument", program)
-        try { prefs.flush() } catch (e: Exception) { e.printStackTrace() }
     }
 
     actual fun getVoiceInstrument(): Int {
@@ -976,11 +1063,11 @@ actual class FMediaPlayer actual constructor(
 
     private fun saveVoicesVolumes() {
         val data = voiceVolumes.joinToString(",")
-        prefs.put("voices_volumes", data)
+        prefs.putString("voices_volumes", data)
     }
 
     private fun loadVoiceVolumes() {
-        val data = prefs.get("voices_volumes", "127,127,127,127")
+        val data = prefs.getString("voices_volumes", "127,127,127,127")
         val volumesArray = data.split(",")
 
         if (volumesArray.size == 4) {