Enable multiple midi device output via channel expansion (WIP)

desktop/sources/scripts/commander.js

@@ -32,6 +32,11 @@ function Commander (client) {
       client.io.midi.selectOutput(p.x)
       if (p.y !== null) { client.io.midi.selectInput(p.y) }
     },
+    mmidi: (p) => {
+      // remap device ids by name
+      // example: $midi:i1-iac1;i2-midipipe;o2-midipipe
+      p.parts.forEach(d => client.io.midi.setDeviceByName(d))
+    },
     ip: (p) => { client.io.setIp(p.str) },
     cc: (p) => { client.io.cc.setOffset(p.int) },
     pg: (p) => { client.io.cc.stack.push({ channel: clamp(p.ints[0], 0, 15), bank: p.ints[1], sub: p.ints[2], pgm: clamp(p.ints[3], 0, 127), type: 'pg' }); client.io.cc.run() },

desktop/sources/scripts/core/io/midi.js

@@ -40,7 +40,9 @@ function Midi (client) {
     if (!this.outputDevice()) { console.warn('MIDI', 'No midi output!'); return }
 
     const transposed = this.transpose(item.note, item.octave)
-    const channel = !isNaN(item.channel) ? parseInt(item.channel) : client.orca.valueOf(item.channel)
+    const rawChannel = !isNaN(item.channel) ? parseInt(item.channel) : client.orca.valueOf(item.channel)
+    const deviceOffset = Math.floor(rawChannel / 16)
+    const channel = rawChannel % 16
 
     if (!transposed) { return }
 
@@ -50,7 +52,9 @@ function Midi (client) {
 
     if (!n || c === 127) { return }
 
-    this.outputDevice().send([c, n, v])
+    if (this.outputIndex + deviceOffset < this.outputs.length) {
+      this.outputs[this.outputIndex + deviceOffset].send([c, n, v])
+    }
   }
 
   this.press = function (item) {
@@ -162,6 +166,58 @@ function Midi (client) {
     console.log('MIDI', `Select Input Device: ${this.inputDevice().name}`)
   }
 
+  this.setDeviceByName = function(paramStr) {
+    // find devices by name and move them to the desired slot
+    const parts = paramStr.match(/([io])(\d+)-(.*)/)
+    console.log(parts)
+    if (!parts || parts.length !== 4 || parts[3] === "") { return }
+    const index = parseInt(parts[2])
+    const nameStr = parts[3]
+
+    const fuzzy = function(term, s) {
+      var string = s.toLowerCase();
+      var compare = term.toLowerCase();
+      var matches = 0;
+      if (string.indexOf(compare) > -1) return 1; // covers basic partial matches
+      for (var i = 0; i < compare.length; i++) {
+          string.indexOf(compare[i]) > -1 ? matches += 1 : matches -=1;
+      }
+      return matches/s.length
+  };
+
+    const findDevice = function(arr, s) {
+      const scores = arr.map((x, i) => Object.assign({}, {
+        score: fuzzy(s, x.name), name: x.name, index: i
+      })).filter(x => x.score > 0.1).sort((a,b) => b.score - a.score)
+      console.log('scores', scores)
+
+      if (scores.length > 0) {
+        console.log('Device matched', scores[0])
+        return scores[0].index
+      }
+      return -1
+    }
+
+    const move = function(arr, from, to) {
+      arr.splice(to, 0, arr.splice(from, 1)[0])
+    }
+
+    if (parts[1] === 'i') {
+      console.log('inputs before', this.inputs.map(x => x.name))
+      if (index >= this.inputs.length) { return }
+      const foundIndex = findDevice(this.inputs, nameStr)
+      if (foundIndex >= 0) { move(this.inputs, foundIndex, index) }
+      console.log('inputs after', this.inputs.map(x => x.name))
+    } else {
+      console.log('outputs before', this.outputs.map(x => x.name))
+      if (index >= this.outputs.length) { return }
+      const foundIndex = findDevice(this.outputs, nameStr)
+      if (foundIndex >= 0) { move(this.outputs, foundIndex, index) }
+      console.log('outputs after', this.outputs.map(x => x.name))
+    }
+    client.update()
+  }
+
   this.outputDevice = function () {
     return this.outputs[this.outputIndex]
   }
@@ -229,11 +285,11 @@ function Midi (client) {
   }
 
   this.toInputString = () => {
-    return !navigator.requestMIDIAccess ? 'No Midi Support' : this.inputDevice() ? `${this.inputDevice().name}` : 'No Input Device'
+    return !navigator.requestMIDIAccess ? 'No Midi Support' : this.inputDevice() ? `${this.inputIndex}:${this.inputDevice().name}` : 'No Input Device'
   }
 
   this.toOutputString = () => {
-    return !navigator.requestMIDIAccess ? 'No Midi Support' : this.outputDevice() ? `${this.outputDevice().name}` : 'No Output Device'
+    return !navigator.requestMIDIAccess ? 'No Midi Support' : this.outputDevice() ? `${this.outputIndex}:${this.outputDevice().name}` : 'No Output Device'
   }
 
   this.length = function () {

desktop/sources/scripts/core/library.js

@@ -545,7 +545,6 @@ library[':'] = function OperatorMidi (orca, x, y, passive) {
     if (!isNaN(this.listen(this.ports.note))) { return }
 
     const channel = this.listen(this.ports.channel, true)
-    if (channel > 15) { return }
     const octave = this.listen(this.ports.octave, true)
     const note = this.listen(this.ports.note)
     const velocity = this.listen(this.ports.velocity, true)
@@ -576,7 +575,6 @@ library['!'] = function OperatorCC (orca, x, y) {
     if (this.listen(this.ports.knob) === '.') { return }
 
     const channel = this.listen(this.ports.channel, true)
-    if (channel > 15) { return }
     const knob = this.listen(this.ports.knob, true)
     const rawValue = this.listen(this.ports.value, true)
     const value = Math.ceil((127 * rawValue) / 35)
@@ -640,7 +638,6 @@ library['%'] = function OperatorMono (orca, x, y, passive) {
     if (!isNaN(this.listen(this.ports.note))) { return }
 
     const channel = this.listen(this.ports.channel, true)
-    if (channel > 15) { return }
     const octave = this.listen(this.ports.octave, true)
     const note = this.listen(this.ports.note)
     const velocity = this.listen(this.ports.velocity, true)