Correct cursor positioning

demo/demo.mjs

@@ -295,7 +295,7 @@ function handlePlayPauseKey(e) {
       g_state.player.pause();
     }
     else {
-      g_state.player.resume();
+      g_state.player.play();
     }
   }
 }

dist/types/FetchConverter.d.ts

@@ -5,7 +5,7 @@ import type { IMidiConverter, MeasureTimemap } from './IMidiConverter';
  *
  * The timemap JSON file can be generated using the script midi-timemap which is distributed with musicxml-midi
  * @see https://github.com/infojunkie/musicxml-midi/blob/main/src/js/midi-timemap.js
- * It assumes that the MIDI file is itself generated using musicxml-midi.
+ * ASSUMPTION The MIDI file is itself generated using musicxml-midi.
  *
  * The timemap JSON structure is simple enough to be generated by other tools as well.
  */

dist/types/IMidiConverter.d.ts

@@ -5,7 +5,7 @@ export type MeasureTimemapEntry = {
     timestamp: MillisecsTimestamp;
     duration: MillisecsTimestamp;
 };
-export type MeasureTimemap = Array<MeasureTimemapEntry>;
+export type MeasureTimemap = MeasureTimemapEntry[];
 /**
  * Interface to a MusicXML-to-MIDI converter.
  *

dist/types/MuseScoreRendererConverter.d.ts

@@ -62,15 +62,16 @@ export type MuseScoreDownloader = (musicXml: string) => {
  */
 export declare class MuseScoreRendererConverter implements ISheetRenderer, IMidiConverter {
     private _downloader;
-    private _media?;
+    private _mscore?;
     private _midi?;
     private _timemap?;
     private _cursor;
-    private _positions?;
+    private _measures?;
+    private _segments?;
     constructor(_downloader: string | MuseScoreDownloader | ReturnType<MuseScoreDownloader>);
     destroy(): void;
     initialize(container: HTMLElement, musicXml: string): Promise<void>;
-    moveTo(_index: MeasureIndex, _start: MillisecsTimestamp, _offset: MillisecsTimestamp, _duration?: MillisecsTimestamp): void;
+    moveTo(index: MeasureIndex, start: MillisecsTimestamp, offset: MillisecsTimestamp, _duration?: MillisecsTimestamp): void;
     resize(): void;
     get midi(): IMidiFile;
     get timemap(): MeasureTimemap;

dist/types/VerovioRenderer.d.ts

@@ -15,7 +15,8 @@ export interface CursorOptions {
     scrollOffset: number;
 }
 /**
- * Implementation of ISheetRenderer that uses Verovio @see https://github.com/rism-digital/verovio
+ * Implementation of ISheetRenderer that uses Verovio.
+ * @see https://github.com/rism-digital/verovio
  */
 export declare class VerovioRenderer implements ISheetRenderer {
     player?: Player;

dist/types/helpers/parse-midi.d.ts

@@ -9,7 +9,7 @@ export declare function parseMidiEvent(data: number[] | Uint8Array): TMidiEvent;
  * Copied from https://github.com/chrisguttandin/midi-json-parser-worker
  * because the original code only runs in a Web Worker.
  */
-export declare const parseMidiFile: (arrayBuffer: ArrayBuffer) => {
+export declare const parseMidiFile: (arrayBuffer: ArrayBuffer, callback?: (trackNum: number, track: TMidiEvent[]) => void) => {
     division: number;
     format: number;
     tracks: (IMidiChannelPrefixEvent | IMidiCopyrightNoticeEvent | IMidiCuePointEvent | IMidiDeviceNameEvent | IMidiEndOfTrackEvent | IMidiInstrumentNameEvent | IMidiKeySignatureEvent | IMidiLyricEvent | IMidiMarkerEvent | IMidiMidiPortEvent | IMidiProgramNameEvent | IMidiSequencerSpecificEvent | IMidiSetTempoEvent | IMidiSmpteOffsetEvent | IMidiTextEvent | IMidiTimeSignatureEvent | IMidiTrackNameEvent | IMidiChannelPressureEvent | IMidiControlChangeEvent | IMidiKeyPressureEvent | IMidiNoteOffEvent | IMidiNoteOnEvent | IMidiPitchBendEvent | IMidiProgramChangeEvent | IMidiSysexEvent)[][];

src/FetchConverter.ts

@@ -2,7 +2,7 @@ import { parseArrayBuffer as parseMidiBuffer } from 'midi-json-parser';
 import type { IMidiFile } from 'midi-json-parser-worker';
 import type { IMidiConverter, MeasureTimemap } from './IMidiConverter';
 import pkg from '../package.json';
-import { fetish } from './helpers';
+import { assertIsDefined, fetish } from './helpers';
 import SaxonJS from './saxon-js/SaxonJS2.rt';
 
 const XSL_TIMEMAP =
@@ -13,7 +13,7 @@ const XSL_TIMEMAP =
  *
  * The timemap JSON file can be generated using the script midi-timemap which is distributed with musicxml-midi
  * @see https://github.com/infojunkie/musicxml-midi/blob/main/src/js/midi-timemap.js
- * It assumes that the MIDI file is itself generated using musicxml-midi.
+ * ASSUMPTION The MIDI file is itself generated using musicxml-midi.
  *
  * The timemap JSON structure is simple enough to be generated by other tools as well.
  */
@@ -45,12 +45,12 @@ export class FetchConverter implements IMidiConverter {
   }
 
   get midi(): IMidiFile {
-    if (!this._midi) throw 'TODO';
+    assertIsDefined(this._midi);
     return this._midi;
   }
 
   get timemap(): MeasureTimemap {
-    if (!this._timemap) throw 'TODO';
+    assertIsDefined(this._timemap);
     return this._timemap;
   }
 

src/IMidiConverter.ts

@@ -6,7 +6,7 @@ export type MeasureTimemapEntry = {
   timestamp: MillisecsTimestamp;
   duration: MillisecsTimestamp;
 };
-export type MeasureTimemap = Array<MeasureTimemapEntry>;
+export type MeasureTimemap = MeasureTimemapEntry[];
 
 /**
  * Interface to a MusicXML-to-MIDI converter.