Implement all fun markers for Android using midiDriver (sonivox EAS lib)
This commit is contained in:
parent
ff03753109
commit
e32bda0f2c
2 changed files with 541 additions and 138 deletions
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@ -2,6 +2,7 @@ import org.jetbrains.compose.desktop.application.dsl.TargetFormat
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import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
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import org.jetbrains.kotlin.gradle.dsl.JvmTarget
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import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
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import java.util.Properties
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plugins {
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alias(libs.plugins.kotlinMultiplatform)
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@ -13,13 +14,13 @@ plugins {
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}
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kotlin {
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linuxX64 {
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/*linuxX64 {
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binaries {
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executable {
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}
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}
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}
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}*/
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androidTarget {
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@OptIn(ExperimentalKotlinGradlePluginApi::class)
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compilerOptions {
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@ -51,10 +52,7 @@ kotlin {
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implementation(libs.koin.android) // Koin Android-specific extensions
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implementation(libs.koin.androidx.compose)
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implementation("com.google.zxing:core:3.5.4")
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implementation("androidx.camera:camera-view:1.5.2")
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implementation("androidx.camera:camera-core:1.5.2")
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implementation("androidx.camera:camera-camera2:1.5.2")
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implementation("androidx.camera:camera-lifecycle:1.5.2")
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implementation("com.github.billthefarmer:mididriver:1.25")
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}
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commonMain.dependencies {
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// implementation(compose.components.resources)
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@ -1,170 +1,575 @@
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package mg.dot.feufaro.midi
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import android.media.MediaPlayer
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.cancel
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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import SharedScreenModel
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import kotlinx.coroutines.*
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import org.billthefarmer.mididriver.MidiDriver
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import java.io.File
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import java.io.FileInputStream
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import java.io.RandomAccessFile
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private var androidMediaPlayer: MediaPlayer?= null
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actual class FMediaPlayer actual constructor(
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private val filename: String,
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private val onFinished: () -> Unit
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) {
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private data class MidiEvent(
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val tickAbsolute: Long,
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val type: Int,
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val channel: Int,
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val data1: Int,
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val data2: Int,
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val metaType: Int = -1,
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val metaData: ByteArray = ByteArray(0)
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)
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actual class FMediaPlayer actual constructor(val filename: String, onFinished: () -> Unit) {
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private var mediaPlayer: android.media.MediaPlayer? = android.media.MediaPlayer()
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// private val voiceStates = mutableListOf(true, true, true, true)
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private val midiFileName = filename
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// private var currentGlobalVolume: Float = 0.8f
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private data class MidiSequence(
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val resolution: Int,
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val events: List<MidiEvent>,
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val totalTicks: Long
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)
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private object MidiParser {
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fun parse(file: File): MidiSequence {
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val raf = RandomAccessFile(file, "r")
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val events = mutableListOf<MidiEvent>()
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val header = ByteArray(4); raf.readFully(header)
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require(String(header) == "MThd") { "Not a MIDI file" }
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raf.readInt()
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val nTracks = run { raf.readShort(); raf.readShort().toInt() and 0xFFFF }
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val division = raf.readShort().toInt() and 0xFFFF
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val resolution = division and 0x7FFF
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for (t in 0 until nTracks) {
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val trkHeader = ByteArray(4); raf.readFully(trkHeader)
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if (String(trkHeader) != "MTrk") break
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val trkLen = raf.readInt()
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val trkData = ByteArray(trkLen); raf.readFully(trkData)
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parseTrack(trkData, events)
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}
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raf.close()
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events.sortBy { it.tickAbsolute }
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val totalTicks = events.maxOfOrNull { it.tickAbsolute } ?: 0L
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return MidiSequence(resolution, events, totalTicks)
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}
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private fun parseTrack(data: ByteArray, out: MutableList<MidiEvent>) {
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var pos = 0; var tick = 0L; var runningStatus = 0
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fun readByte() = (data[pos++].toInt() and 0xFF)
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fun readVarLen(): Long {
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var value = 0L; var b: Int
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do { b = readByte(); value = (value shl 7) or (b and 0x7F).toLong() } while (b and 0x80 != 0)
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return value
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}
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while (pos < data.size) {
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tick += readVarLen()
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var status = readByte()
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if (status and 0x80 == 0) {
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pos--; status = runningStatus
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}
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else if (status and 0xF0 != 0xF0) runningStatus = status
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val type = status and 0xF0;
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val ch = status and 0x0F
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when {
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status == 0xFF -> {
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val mt=readByte();
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val len=readVarLen().toInt();
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val md=ByteArray(len){data[pos++]};
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out.add(MidiEvent(tick,0xFF,0,0,0,mt,md))
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}
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status == 0xF0 || status == 0xF7 -> repeat(readVarLen().toInt()) {
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pos++
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}
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type == 0x80 -> {
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val d1=readByte();
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val d2=readByte();
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out.add(MidiEvent(tick,0x80,ch,d1,d2))
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}
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type == 0x90 -> {
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val d1=readByte();
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val d2=readByte();
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out.add(MidiEvent(tick,if(d2==0) 0x80 else 0x90,ch,d1,d2))
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}
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type == 0xA0 -> {
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readByte(); readByte()
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}
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type == 0xB0 -> {
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val d1=readByte();
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val d2=readByte();
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out.add(MidiEvent(tick,0xB0,ch,d1,d2))
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}
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type == 0xC0 -> {
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val d1=readByte();
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out.add(MidiEvent(tick,0xC0,ch,d1,0))
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}
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type == 0xD0 -> readByte()
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type == 0xE0 -> {
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readByte(); readByte()
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}
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}
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}
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}
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}
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private val midiDriver: MidiDriver = MidiDriver.getInstance()
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private var sequence: MidiSequence? = null
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private var resolution: Int = 480
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private var usPerTick: Double = 500_000.0 / 480.0
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@Volatile private var isRunning = false
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@Volatile private var isHolding = false
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private var currentTickPos: Long = 0L
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private var lastEventNano: Long = System.nanoTime()
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private var targetBpm: Float = 120f
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private val voiceVolumes = FloatArray(4) { 127f }
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private var currentGlobalVolume: Float = 0.8f
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private var currentDynamicFactor: Float = Dynamic.MF.factor
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private var pointA: Long = -1L
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private var pointB: Long = -1L
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private var isLoopingAB = false
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private val playerScope = CoroutineScope(Dispatchers.Default + SupervisorJob())
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private var abJob: Job? = null
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private var playJob: Job? = null
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private var navigationJob: Job? = null
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private var syncJob: Job? = null
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private var dynamicJob: Job? = null
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private var boundModel: SharedScreenModel? = null
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private var isLoopingAB: Boolean = false
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private data class NavigationStep(
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val marker: String,
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val gridIndex: Int,
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val targetGrid: Int = 0,
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val isHold: Boolean = false,
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var alreadyDone: Boolean = false,
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var beatInDC: Int = 1,
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val dynamic: Dynamic? = null,
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val hairPin: Char? = null,
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val hairPinEndGrid: Int = -1,
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val hairPinFromFactor: Float = 1.0f,
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val hairPinToFactor: Float = 1.0f,
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val isFarany: Boolean = false,
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var faranyActive: Boolean = false,
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)
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private val navigationSteps = mutableListOf<NavigationStep>()
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init {
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playerScope.launch {
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try {
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val file = File(midiFileName)
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midiDriver.start()
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val file = File(filename)
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if (file.exists()) {
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val fis = FileInputStream(file)
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mediaPlayer?.setDataSource(fis.fd)
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try {
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sequence = MidiParser.parse(file)
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resolution = sequence!!.resolution
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usPerTick = (60_000_000.0 / targetBpm) / resolution
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} catch (e: Exception) { e.printStackTrace() }
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}
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}
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mediaPlayer?.setOnCompletionListener {
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private fun send(vararg bytes: Int) {
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midiDriver.write(ByteArray(bytes.size) { bytes[it].toByte() })
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}
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private fun controlChange(ch: Int, cc: Int, v: Int) = send(0xB0 or ch, cc, v)
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private fun allNotesOff() {
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for (ch in 0 until 4) { controlChange(ch, 123, 0); controlChange(ch, 64, 0) }
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}
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private fun applyVoiceStates() {
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for (i in 0 until 4) {
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val vol = (127f * (voiceVolumes[i]/127f) * currentGlobalVolume * currentDynamicFactor)
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.toInt().coerceIn(0, 127)
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controlChange(i, 7, vol); controlChange(i, 11, vol)
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if (vol == 0) controlChange(i, 123, 0)
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}
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}
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private fun applyDynamic(dynamic: Dynamic) {
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applyDynamicSmooth(if (dynamic == Dynamic.MF) 1.0f else dynamic.factor, 300L)
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}
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private fun applyDynamicSmooth(targetFactor: Float, durationMs: Long = 300L) {
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dynamicJob?.cancel()
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dynamicJob = playerScope.launch {
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val start = currentDynamicFactor; val steps = 30; val stepMs = durationMs / steps
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for (i in 1..steps) {
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val p = i.toFloat()/steps; val s = p*p*(3f-2f*p)
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currentDynamicFactor = start + (targetFactor - start) * s
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applyVoiceStates(); delay(stepMs)
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}
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currentDynamicFactor = targetFactor; applyVoiceStates()
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}
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}
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private fun applyCrescendo(fromFactor: Float, toFactor: Float, durationMs: Long) {
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dynamicJob?.cancel()
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dynamicJob = playerScope.launch {
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val steps=40; val stepMs=(durationMs/steps).coerceAtLeast(10L)
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for (i in 1..steps) {
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val p=i.toFloat()/steps; val s=p*p*(3f-2f*p)
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currentDynamicFactor = fromFactor + (toFactor-fromFactor)*s
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applyVoiceStates(); delay(stepMs)
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}
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currentDynamicFactor = toFactor; applyVoiceStates()
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}
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}
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private fun extractDynamic(marker: String) = Dynamic.entries.firstOrNull {
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it.label == marker.trim().removeSuffix("=").trim()
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}
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fun factorToDynamic(factor: Float) =
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Dynamic.entries.minByOrNull { kotlin.math.abs(it.factor - factor) } ?: Dynamic.MF
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fun nextDynamic(currentFactor: Float, symbol: Char): Float {
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val idx = Dynamic.entries.indexOf(factorToDynamic(currentFactor))
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return if (symbol == '<') Dynamic.entries.getOrElse(idx+1){Dynamic.FFF}.factor
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else Dynamic.entries.getOrElse(idx-1){Dynamic.PPP}.factor
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}
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private fun startPlaybackLoop() {
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val seq = sequence ?: return
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isRunning = true
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playJob?.cancel()
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playJob = playerScope.launch(Dispatchers.Default) {
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val events = seq.events
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var idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
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.takeIf { it >= 0 } ?: events.size
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var clockNano = System.nanoTime()
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var clockTick = currentTickPos
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while (isActive && isRunning) {
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if (isHolding) {
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delay(10)
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clockNano = System.nanoTime()
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clockTick = currentTickPos
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continue
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}
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if (idx >= events.size) {
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val dc = getPendingDcStep()
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if (dc != null) {
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dc.alreadyDone = true
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allNotesOff()
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seekToGrid(dc.targetGrid)
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clockNano = System.nanoTime(); clockTick = currentTickPos
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idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
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.takeIf { it >= 0 } ?: events.size
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continue
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} else {
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isRunning = false; allNotesOff(); onFinished(); break
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}
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}
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val ev = events[idx]
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val waitNano = (clockNano + ((ev.tickAbsolute - clockTick) * usPerTick * 1000)
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.toLong()) - System.nanoTime()
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if (waitNano > 0) delay((waitNano / 1_000_000).coerceAtLeast(0L))
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currentTickPos = ev.tickAbsolute
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lastEventNano = System.nanoTime()
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// A-B loop
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if (isLoopingAB && pointA >= 0 && pointB > pointA &&
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ticksToMs(currentTickPos) >= pointB) {
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allNotesOff(); currentTickPos = msToTicks(pointA)
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clockNano = System.nanoTime(); clockTick = currentTickPos
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idx = events.indexOfFirst { it.tickAbsolute >= currentTickPos }
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.takeIf { it >= 0 } ?: events.size
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continue
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}
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when (ev.type) {
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0x80 -> send(0x80 or ev.channel, ev.data1, ev.data2)
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0x90 -> send(0x90 or ev.channel, ev.data1,
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(ev.data2 * currentDynamicFactor).toInt().coerceIn(0, 127))
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0xB0 -> if (ev.data1 != 7 && ev.data1 != 11)
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send(0xB0 or ev.channel, ev.data1, ev.data2)
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0xC0 -> send(0xC0 or ev.channel, ev.data1)
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0xFF -> { /* tempo ignoré */ }
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}
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idx++
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}
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}
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}
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actual fun seekToGrid(gridIndex: Int) {
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currentTickPos = gridIndex.toLong() * resolution
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lastEventNano = System.nanoTime() // ← recaler l'horloge d'interpolation
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val lastDyn = navigationSteps
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.filter { it.dynamic != null && it.gridIndex <= gridIndex }
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.maxByOrNull { it.gridIndex }?.dynamic ?: Dynamic.MF
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currentDynamicFactor = if (lastDyn == Dynamic.MF) 1.0f else lastDyn.factor
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applyVoiceStates()
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}
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private fun ticksToMs(ticks: Long) = (ticks * usPerTick / 1000.0).toLong()
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private fun msToTicks(ms: Long) = (ms * 1000.0 / usPerTick).toLong()
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private fun getPendingDcStep(): NavigationStep? =
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navigationSteps.firstOrNull {
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!it.alreadyDone &&
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it.hairPin == null &&
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it.dynamic == null &&
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!it.isHold &&
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!it.isFarany
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}
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private fun resetNavigationFlags() {
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navigationSteps.forEach { it.alreadyDone = false }
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}
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private fun prepareNavigation(sharedScreenModel: SharedScreenModel) {
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val metadataList = sharedScreenModel.getFullMarkers()
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navigationSteps.clear()
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var lastSegno=0; var lastFactor=Dynamic.MF.factor
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metadataList.forEach { (_, gridIndex, _, _, marker, _, _, note) ->
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val ci = gridIndex ?: 0
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val dsR = Regex("""D\.?S\.?"""); val dcR = Regex("""D\.?C\.?""")
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val dsG = Regex("""D\.?S\.?_GROUP_PART"""); val dcG = Regex("""D\.?C\.?_GROUP_PART""")
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val last_grid = sharedScreenModel.getTotalGridCount()
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val hairPins = sharedScreenModel.getHairPins()
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when {
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marker.contains("$") -> lastSegno = ci
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marker.contains("\uD834\uDD10") -> {
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val beat = if(note.contains('•')) 2 else 1
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navigationSteps.add(NavigationStep(marker, ci, isHold=true, beatInDC=beat))
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}
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dsG.matches(marker.trim()) -> {
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val target = if(lastSegno>0) lastSegno else 0
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val indx = if((last_grid-ci)<=0) ci-1 else ci
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navigationSteps.add(NavigationStep(marker, indx, targetGrid=target))
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}
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dsR.matches(marker.trim()) || marker == "DSFin" -> {
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navigationSteps.add(NavigationStep(marker, ci,
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targetGrid = if(lastSegno>0) lastSegno else 0))
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}
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dcG.matches(marker.trim()) -> {
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val indx = if((last_grid-ci)<=0) ci-1 else ci
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navigationSteps.add(NavigationStep(marker, indx, targetGrid=0))
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println("DC_GROUP créé à $indx → 0")
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}
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dcR.matches(marker.trim()) && !marker.contains("DC_GROUP_PART") -> {
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val indx = if((last_grid-ci)<=0) ci else ci
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navigationSteps.add(NavigationStep(marker, indx, targetGrid=0))
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println("DC créé à $indx → 0")
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}
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// ── Farany ────────────────────────────────
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marker.trim().equals("Farany_GROUP_PART", ignoreCase = true) -> {
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val hasDcAfter = metadataList.any { (_, gi, _, _, mk, _, _, _) ->
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(gi ?: 0) > ci &&
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(mk.contains(Regex("""D\.?C\.?""")) || mk.contains("DC_GROUP_PART"))
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}
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if (hasDcAfter) {
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navigationSteps.add(NavigationStep(
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marker = marker,
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gridIndex = ci,
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targetGrid = last_grid,
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isFarany = true,
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faranyActive = false
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))
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println("Farany mémorisé à $ci")
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} else {
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println("Farany ignoré à $ci")
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}
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}
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extractDynamic(marker) != null && marker.trim() != "=" -> {
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val dyn = extractDynamic(marker) ?: return@forEach
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lastFactor = if(dyn==Dynamic.MF) 1.0f else dyn.factor
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navigationSteps.add(NavigationStep(marker=marker, gridIndex=ci, dynamic=dyn))
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}
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marker.trim()=="<" || marker.trim()==">" ||
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marker.trim().contains("cres", ignoreCase=true) ||
|
||||
marker.trim().contains("dim", ignoreCase=true) -> {
|
||||
val sym = when {
|
||||
marker.trim()=="<" -> '<'; marker.trim()==">" -> '>'
|
||||
marker.trim().contains("cres",ignoreCase=true) -> '<'; else -> '>'
|
||||
}
|
||||
val pair = hairPins.find{it.startGrid==ci} ?: return@forEach
|
||||
val explicitAfter = metadataList
|
||||
.filter{(_,gi,_,_,mk,_,_,_)->(gi?:0)>=pair.endGrid && extractDynamic(mk)!=null}
|
||||
.minByOrNull{it.gridIndex?:0}?.let{m->extractDynamic(m.marker)}
|
||||
val from = lastFactor
|
||||
val to = when {
|
||||
explicitAfter!=null && sym=='<' && explicitAfter.factor>from -> explicitAfter.factor
|
||||
explicitAfter!=null && sym=='>' && explicitAfter.factor<from -> explicitAfter.factor
|
||||
else -> nextDynamic(from, sym)
|
||||
}
|
||||
lastFactor = to
|
||||
navigationSteps.add(NavigationStep(
|
||||
marker=marker.trim(), gridIndex=ci, hairPin=sym,
|
||||
hairPinEndGrid=pair.endGrid,
|
||||
hairPinFromFactor=from, hairPinToFactor=to
|
||||
))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private fun startNavigationMonitor(sharedScreenModel: SharedScreenModel) {
|
||||
navigationJob?.cancel()
|
||||
navigationJob = playerScope.launch(Dispatchers.Default) {
|
||||
sharedScreenModel.activeIndex.collect { currentIndex ->
|
||||
if (!isRunning || currentIndex < 0) return@collect
|
||||
|
||||
val step = navigationSteps.find {
|
||||
it.gridIndex == currentIndex && !it.alreadyDone
|
||||
} ?: return@collect
|
||||
|
||||
when {
|
||||
// ── Farany ────────────────────────────
|
||||
step.isFarany -> {
|
||||
if (step.faranyActive) {
|
||||
println("Farany activé → STOP à grille $currentIndex")
|
||||
step.alreadyDone = true
|
||||
isHolding = false
|
||||
isRunning = false
|
||||
playJob?.cancel()
|
||||
allNotesOff()
|
||||
onFinished()
|
||||
} else {
|
||||
println("Farany 1er passage — DC pas encore vu → on continue ✅")
|
||||
}
|
||||
mediaPlayer?.prepareAsync()
|
||||
fis.close()
|
||||
}
|
||||
} catch (e: Exception) {
|
||||
e.printStackTrace()
|
||||
|
||||
// ── Point d'orgue ─────────────────────
|
||||
step.isHold -> {
|
||||
val beatMs = (60_000 / targetBpm).toLong()
|
||||
val holdDuration = if(step.beatInDC==2) beatMs/2 else beatMs*2
|
||||
println("POINT D'ORGUE grille $currentIndex | ${holdDuration}ms")
|
||||
for (ch in 0 until 4) controlChange(ch, 64, 127)
|
||||
isHolding = true
|
||||
delay(holdDuration)
|
||||
isHolding = false
|
||||
for (ch in 0 until 4) controlChange(ch, 64, 0)
|
||||
step.alreadyDone = true
|
||||
}
|
||||
|
||||
// ── Soufflet ──────────────────────────
|
||||
step.hairPin != null -> {
|
||||
step.alreadyDone = true
|
||||
val dist = (step.hairPinEndGrid - step.gridIndex).coerceAtLeast(1)
|
||||
val beatMs = (60_000L / targetBpm).toLong()
|
||||
applyCrescendo(step.hairPinFromFactor, step.hairPinToFactor,
|
||||
(dist * beatMs).coerceIn(200L, 5000L))
|
||||
}
|
||||
|
||||
// ── Dynamique ─────────────────────────
|
||||
step.dynamic != null -> {
|
||||
step.alreadyDone = true
|
||||
applyDynamic(step.dynamic)
|
||||
}
|
||||
|
||||
// ── DC / DS ───────────────────────────
|
||||
else -> {
|
||||
step.alreadyDone = true
|
||||
val beatMs = (60_000 / targetBpm).toLong()
|
||||
println("avant de sauter bpm=$targetBpm")
|
||||
|
||||
for (ch in 0 until 4) controlChange(ch, 64, 127)
|
||||
isHolding = true
|
||||
delay(beatMs)
|
||||
allNotesOff()
|
||||
|
||||
seekToGrid(step.targetGrid)
|
||||
isHolding = false
|
||||
for (ch in 0 until 4) controlChange(ch, 64, 0)
|
||||
|
||||
navigationSteps
|
||||
.filter { it.isFarany && step.gridIndex > it.gridIndex }
|
||||
.forEach {
|
||||
it.faranyActive = true
|
||||
it.alreadyDone = false
|
||||
println("DC grille ${step.gridIndex} > Farany grille ${it.gridIndex} → Farany activé 🔴")
|
||||
}
|
||||
|
||||
startPlaybackLoop()
|
||||
println("DC/DS → grille ${step.targetGrid}")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private fun startSyncLoop(sharedScreenModel: SharedScreenModel) {
|
||||
syncJob?.cancel()
|
||||
syncJob = playerScope.launch(Dispatchers.Default) {
|
||||
while (isActive) {
|
||||
if (isRunning && !isHolding) {
|
||||
val elapsedNano = System.nanoTime() - lastEventNano
|
||||
val extraTicks = (elapsedNano / (usPerTick * 1000)).toLong()
|
||||
val interpolated = (currentTickPos + extraTicks) / resolution
|
||||
val rawGrid = interpolated.toInt().coerceAtLeast(0)
|
||||
sharedScreenModel.updateActiveIndexByIndex(rawGrid)
|
||||
}
|
||||
delay(16)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
actual fun play() {
|
||||
mediaPlayer?.let { mp ->
|
||||
if (!mp.isPlaying) {
|
||||
// Ici, le player est prêt sans avoir bloqué l'UI
|
||||
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
|
||||
try {
|
||||
val params = mp.playbackParams ?: android.media.PlaybackParams()
|
||||
params.speed = 1.0f
|
||||
mp.playbackParams = params
|
||||
} catch (e: Exception) {
|
||||
e.printStackTrace()
|
||||
}
|
||||
}
|
||||
mp.start()
|
||||
}
|
||||
}
|
||||
if (sequence == null) return
|
||||
applyVoiceStates()
|
||||
startPlaybackLoop()
|
||||
println("Android MIDI play — tick=$currentTickPos bpm=$targetBpm")
|
||||
}
|
||||
actual fun pause() {
|
||||
mediaPlayer?.pause()
|
||||
isRunning = false; isHolding = false
|
||||
playJob?.cancel(); allNotesOff()
|
||||
}
|
||||
actual fun stop() {
|
||||
try {
|
||||
val file = File(midiFileName)
|
||||
if (file.exists() &&
|
||||
(mediaPlayer?.isPlaying == true)) { // Vérifie l'état avant d'agir
|
||||
mediaPlayer?.stop()
|
||||
mediaPlayer?.reset()
|
||||
mediaPlayer?.prepare()
|
||||
mediaPlayer?.seekTo(0)
|
||||
isRunning = false; isHolding = false
|
||||
playJob?.cancel(); navigationJob?.cancel()
|
||||
allNotesOff(); currentTickPos = 0L
|
||||
resetNavigationFlags(); navigationSteps.clear(); clearLoop()
|
||||
currentDynamicFactor = Dynamic.MF.factor
|
||||
}
|
||||
clearLoop()
|
||||
} catch(e: IllegalStateException) {
|
||||
//
|
||||
actual fun release() {
|
||||
stop(); midiDriver.stop(); playerScope.cancel()
|
||||
}
|
||||
}
|
||||
|
||||
actual fun getDuration(): Long {
|
||||
return mediaPlayer?.duration?.toLong() ?: 0L
|
||||
}
|
||||
|
||||
actual fun getCurrentPosition(): Long {
|
||||
return mediaPlayer?.currentPosition?.toLong() ?: 0L
|
||||
}
|
||||
|
||||
actual fun seekTo(position: Long) {
|
||||
mediaPlayer?.seekTo(position.toInt())
|
||||
currentTickPos = msToTicks(position)
|
||||
lastEventNano = System.nanoTime()
|
||||
applyVoiceStates()
|
||||
}
|
||||
actual fun setVolume(level: Float) {
|
||||
mediaPlayer?.setVolume(level, level)
|
||||
actual fun getDuration(): Long = sequence?.let { ticksToMs(it.totalTicks) } ?: 0L
|
||||
actual fun getCurrentPosition(): Long = ticksToMs(currentTickPos)
|
||||
actual fun setVolume(level: Float) {
|
||||
currentGlobalVolume = level
|
||||
midiDriver.setVolume((level*100).toInt().coerceIn(0,100))
|
||||
applyVoiceStates()
|
||||
}
|
||||
|
||||
actual fun setPointA() {
|
||||
pointA = mediaPlayer?.currentPosition?.toLong() ?: 0L
|
||||
actual fun setTempo(bpm: Float) {
|
||||
targetBpm = bpm; usPerTick = (60_000_000.0/bpm)/resolution
|
||||
boundModel?.let { prepareNavigation(it) }
|
||||
println("Tempo → $bpm BPM")
|
||||
}
|
||||
|
||||
actual fun getCurrentBPM(): Float = targetBpm
|
||||
actual fun requestSync(sharedScreenModel: SharedScreenModel) {
|
||||
val seq = sequence ?: return
|
||||
val totalGrids = (seq.totalTicks/resolution).toInt()
|
||||
val timestamps = (0..totalGrids).map { ticksToMs(it.toLong()*resolution)*1000L }
|
||||
sharedScreenModel.updateTimestamps(timestamps)
|
||||
println("requestSync Android — $totalGrids grilles")
|
||||
}
|
||||
actual fun syncNavigationMonitor(sharedScreenModel: SharedScreenModel) {
|
||||
this.boundModel = sharedScreenModel
|
||||
prepareNavigation(sharedScreenModel)
|
||||
startNavigationMonitor(sharedScreenModel)
|
||||
startSyncLoop(sharedScreenModel)
|
||||
}
|
||||
actual fun setPointA() { pointA = getCurrentPosition() }
|
||||
actual fun setPointB() {
|
||||
pointB = mediaPlayer?.currentPosition?.toLong() ?: 0L
|
||||
if (pointB > pointA && pointA != -1L) {
|
||||
isLoopingAB = true
|
||||
startABMonitor()
|
||||
pointB = getCurrentPosition()
|
||||
if (pointB > pointA && pointA != -1L) isLoopingAB = true
|
||||
}
|
||||
}
|
||||
|
||||
actual fun clearLoop() {
|
||||
isLoopingAB = false
|
||||
pointA = -1L
|
||||
pointB = -1L
|
||||
abJob?.cancel()
|
||||
}
|
||||
|
||||
private fun startABMonitor() {
|
||||
abJob?.cancel()
|
||||
abJob = playerScope.launch {
|
||||
while (isLoopingAB) {
|
||||
val currentPos = mediaPlayer?.currentPosition?.toLong() ?: 0L
|
||||
if (currentPos >= pointB) {
|
||||
mediaPlayer?.seekTo(pointA.toInt())
|
||||
}
|
||||
delay(50)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
actual fun clearLoop() { isLoopingAB = false; pointA = -1L; pointB = -1L }
|
||||
actual fun getLoopState() = Triple(pointA, pointB, isLoopingAB)
|
||||
actual fun toggleVoice(index: Int) {
|
||||
// voiceStates[index] = !voiceStates[index]
|
||||
println("Toggle voice $index (Limitation: Nécessite SoundFont/Fluidsynth sur Android)")
|
||||
}
|
||||
|
||||
// actual fun getVoiceStates(): List<Boolean> = voiceStates
|
||||
actual fun getVoiceVolumes(): List<Float> = MutableList(4) { 127f }
|
||||
|
||||
actual fun changeInstru(noInstru: Int) {
|
||||
}
|
||||
|
||||
actual fun setTempo(factor: Float) {
|
||||
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
|
||||
mediaPlayer?.let {
|
||||
val params = it.playbackParams
|
||||
params.speed = factor
|
||||
it.playbackParams = params
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
actual fun getCurrentBPM(): Float {
|
||||
return 120f
|
||||
}
|
||||
|
||||
actual fun toggleVoice(index: Int) { applyVoiceStates() }
|
||||
actual fun updateVoiceVolume(voiceIndex: Int, newVolume: Float) {
|
||||
if (voiceIndex in 0..3) {
|
||||
//TODO: implements split voices & change volume per voices
|
||||
if (voiceIndex in 0..3) { voiceVolumes[voiceIndex] = newVolume; applyVoiceStates() }
|
||||
}
|
||||
}
|
||||
|
||||
fun release() {
|
||||
mediaPlayer?.release()
|
||||
mediaPlayer = null
|
||||
playerScope.coroutineContext.cancel()
|
||||
actual fun getVoiceVolumes(): List<Float> = voiceVolumes.toList()
|
||||
actual fun changeInstru(noInstru: Int) {
|
||||
for (ch in 0 until 4) send(0xC0 or ch, noInstru)
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue