Add orx-minim

orx-jvm/orx-minim/src/demo/kotlin/DemoFFT01.kt

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+import ddf.minim.Minim
+import ddf.minim.analysis.FFT
+import ddf.minim.analysis.LanczosWindow
+
+import org.openrndr.application
+import org.openrndr.extra.minim.minim
+import org.openrndr.math.map
+import kotlin.math.ln
+
+fun main() {
+    application {
+        configure {
+            width = 1280
+            height = 720
+        }
+
+        program {
+            val minim = minim()
+            val lineIn = minim.getLineIn(Minim.MONO, 2048, 48000f)
+            val fft = FFT(lineIn.bufferSize(), lineIn.sampleRate())
+            fft.window(LanczosWindow())
+            extend {
+                fft.forward(lineIn.mix)
+                for (i in 0 until 200) {
+                    val bandDB = 20.0 * ln(2.0 * fft.getBand(i) / fft.timeSize())
+                    drawer.rectangle(i * 5.0, height / 2.0, 5.0, bandDB.map(0.0, -150.0, 0.0, -height / 8.0))
+                }
+            }
+        }
+    }
+}

orx-jvm/orx-minim/src/main/kotlin/Minim.kt

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+package org.openrndr.extra.minim
+
+import ddf.minim.Minim
+import org.openrndr.Program
+import java.io.File
+
+class MinimObject {
+    fun sketchPath(fileName:String) = "./"
+    fun createInput(fileName: String) = File(fileName).inputStream()
+}
+
+fun Program.minim(): Minim  {
+    val minim = Minim(MinimObject())
+    ended.listen {
+        minim.stop()
+
+    }
+    return minim
+}