MIDI Recording and details improvement

frontend/src/types/composition.ts

@@ -1,5 +1,7 @@
 import { NoteSequence } from '@magenta/music/esm/protobuf';
 
+export const tracksMinimalTotalTime = 5000;
+
 export type CompositionParams = {
   prompt: string,
   maxResponseToken: number,
@@ -13,6 +15,69 @@ export type CompositionParams = {
 export type Track = {
   id: string;
   content: string;
+  rawContent: MidiMessage[];
   offsetTime: number;
   contentTime: number;
-};
+};
+export type MidiPort = {
+  name: string;
+}
+
+export type MessageType = 'NoteOff' | 'NoteOn' | 'ElapsedTime' | 'ControlChange';
+
+export type MidiMessage = {
+  messageType: MessageType;
+  channel: number;
+  note: number;
+  velocity: number;
+  control: number;
+  value: number;
+}
+
+export enum InstrumentType {
+  Piano,
+  Percussion,
+  Drum,
+  Tuba,
+  Marimba,
+  Bass,
+  Guitar,
+  Violin,
+  Trumpet,
+  Sax,
+  Flute,
+  Lead,
+  Pad,
+}
+
+export const InstrumentTypeNameMap = [
+  'Piano',
+  'Percussion',
+  'Drum',
+  'Tuba',
+  'Marimba',
+  'Bass',
+  'Guitar',
+  'Violin',
+  'Trumpet',
+  'Sax',
+  'Flute',
+  'Lead',
+  'Pad'
+];
+
+export const InstrumentTypeTokenMap = [
+  'pi',
+  'p',
+  'd',
+  't',
+  'm',
+  'b',
+  'g',
+  'v',
+  'tr',
+  's',
+  'f',
+  'l',
+  'pa'
+];