stariway-to-heaven.kt

import io.wavebeans.daw.SineVoice
import io.wavebeans.daw.Standard6StringTuning
import io.wavebeans.daw.synthesize
import io.wavebeans.daw.tab
import io.wavebeans.execution.SingleThreadedOverseer
import io.wavebeans.lib.io.toMono24bitWav

val stream =
    """
        e|-------5-7-----7-|-8-----8-2-----2-|-0---------0-----|-----------------|
        B|-----5-----5-----|---5-------3-----|---1---1-----1---|-0-1-1-----------|
        G|---5---------5---|-----5-------2---|-----2---------2-|-0-2-2---2-------|
        D|-7-------6-------|-5-------4-------|-3---------------|-----------------|
        A|-----------------|-----------------|-----------------|-2-0-0---0---8-7-|
        E|-----------------|-----------------|-----------------|-----------------|
         
        e|---------7-----7-|-8-----8-2-----2-|-0---------0-----|-----------------|
        B|-------5---5-----|---5-------3-----|---1---1-----1---|-0-1-1-----------|
        G|-----5-------5---|-----5-------2---|-----2---------2-|-0-2-2-----------|
        D|---7-----6-------|-5-------4-------|-3---------------|-----------------|
        A|-0---------------|-----------------|-----------------|-2-0-0-------0-2-|
        E|-----------------|-----------------|-----------------|-----------------|
         
        e|-------0-2-----2-|-0-----0----------|---------3-----3-|-3-2-2-2---------|
        B|-----------3-----|---1-----0-1------|-1-----1---0-----|-----3-3---------|
        G|-----0-------2---|-----2-------2----|---0---------0---|-----2-2---------|
        D|---2-----0-------|-3----------------|-----2-----------|-0---0-0---------|
        A|-3---------------|---------0----0-2-|-3---------------|-------------0-2-|
        E|-----------------|------------------|---------3-------|-----------------|
         
        e|---------2-----2-|-0-----0----------|---------------2-|-0-0-0-----------|
        B|-------1---3-----|---1-----0-1------|-------1-----3---|-1-1-1-----------|
        G|-----0-------2---|-----2-------2----|-----0-----2-----|-2-2-2-----------|
        D|---2-----0-------|-3----------------|---2-----0-------|-3-3-3-----------|
        A|-3---------------|---------0----0-2-|-3---------------|-----------------|
        E|-----------------|------------------|-----------------|-----------------|
         

    """.trimIndent().tab(Standard6StringTuning, 80.0f, Pair(1, 8), Pair(4, 4))
        .synthesize(
            mapOf(
                "e" to SineVoice(),
                "B" to SineVoice(),
                "G" to SineVoice(),
                "D" to SineVoice(),
                "A" to SineVoice(),
                "E" to SineVoice(),
            )
        )
        .toMono24bitWav("file:///users/asubb/tmp/guitar.wav")

val outputs = listOf(stream)
val sampleRate = 44100.0f
SingleThreadedOverseer(outputs).use { overseer ->
    val results = overseer.eval(sampleRate).map { it.get() }
    if (!results.all { it.finished }) {
        println("Execution failed.")
        results.mapNotNull { it.exception }
            .forEach { it.printStackTrace(System.err) }
    }
}