feat: added tempo detection with auto-align beats feature

This commit is contained in:
Xiaohan-Tian
2026-05-26 22:45:54 -07:00
parent e82c3cbfc2
commit 7fc5ac1590
21 changed files with 1504 additions and 36 deletions
+89
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import { beforeEach, describe, expect, it, vi } from 'vitest';
import type { KGProject } from '../core/KGProject';
import type { KGAudioRegion } from '../core/region/KGAudioRegion';
import {
buildAudioTempoAnalysisSpanForRegion,
DEFAULT_AUDIO_TEMPO_DETECTION_OPTIONS,
detectTempoFromAudio,
normalizeAudioTempoDetectionOptions,
} from './audioTempoDetection';
const { analyzeMock, guessMock } = vi.hoisted(() => ({
analyzeMock: vi.fn(),
guessMock: vi.fn(),
}));
vi.mock('web-audio-beat-detector', () => ({
analyze: analyzeMock,
guess: guessMock,
}));
describe('audio tempo detection', () => {
beforeEach(() => {
analyzeMock.mockReset();
guessMock.mockReset();
});
it('normalizes defaults and clamps values into the supported tempo range', () => {
expect(normalizeAudioTempoDetectionOptions()).toEqual(DEFAULT_AUDIO_TEMPO_DETECTION_OPTIONS);
expect(normalizeAudioTempoDetectionOptions({ minTempo: 12, maxTempo: 400 })).toEqual({
minTempo: 40,
maxTempo: 240,
});
});
it('rejects invalid tempo ranges', () => {
expect(() => normalizeAudioTempoDetectionOptions({ minTempo: 140, maxTempo: 100 })).toThrow(
'Minimum BPM must be lower than maximum BPM.',
);
});
it('rounds the detected tempo and preserves the detected beat offset', async () => {
analyzeMock.mockResolvedValue(124.6);
guessMock.mockResolvedValue({ bpm: 125, offset: 0.42 });
const audioBuffer = {} as AudioBuffer;
const result = await detectTempoFromAudio(
audioBuffer,
{ offsetSeconds: 1.5, durationSeconds: 8.25 },
{ minTempo: 90, maxTempo: 150 },
);
expect(analyzeMock).toHaveBeenCalledWith(
audioBuffer,
1.5,
8.25,
{ minTempo: 90, maxTempo: 150 },
);
expect(guessMock).toHaveBeenCalledWith(
audioBuffer,
1.5,
8.25,
{ minTempo: 90, maxTempo: 150 },
);
expect(result).toEqual({
tempo: 124.6,
bpm: 125,
offsetSeconds: 0.42,
});
});
it('builds an analysis span from the visible region length', () => {
const project = {
getTimeSignature: () => ({ numerator: 4, denominator: 4 }),
getBpm: () => 120,
getGlobalTrackByType: () => null,
} as unknown as KGProject;
const region = {
getStartFromBeat: () => 8,
getLength: () => 16,
getAudioDurationSeconds: () => 20,
getClipStartOffsetSeconds: () => 1.25,
} as unknown as KGAudioRegion;
expect(buildAudioTempoAnalysisSpanForRegion(project, region)).toEqual({
offsetSeconds: 1.25,
durationSeconds: 8,
});
});
});
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import type { KGProject } from '../core/KGProject';
import type { KGAudioRegion } from '../core/region/KGAudioRegion';
import { beatRangeToSeconds, getAudioRegionDisplayLengthBeats } from './globalTrackUtil';
export {
DEFAULT_AUDIO_TEMPO_DETECTION_OPTIONS,
detectTempoFromAudio,
normalizeAudioTempoDetectionOptions,
type AudioTempoAnalysisSpan,
type AudioTempoDetectionOptions,
type DetectedAudioTempo,
} from './audioTempoDetectionCore';
import type { AudioTempoAnalysisSpan } from './audioTempoDetectionCore';
const MIN_ANALYSIS_DURATION_SECONDS = 0.05;
export function buildAudioTempoAnalysisSpanForRegion(
project: KGProject,
audioRegion: KGAudioRegion,
): AudioTempoAnalysisSpan | null {
const visibleLengthBeats = getAudioRegionDisplayLengthBeats(project, audioRegion);
if (visibleLengthBeats <= 0) {
return null;
}
const regionStartBeat = audioRegion.getStartFromBeat();
const durationSeconds = beatRangeToSeconds(project, regionStartBeat, regionStartBeat + visibleLengthBeats);
if (durationSeconds < MIN_ANALYSIS_DURATION_SECONDS) {
return null;
}
return {
offsetSeconds: audioRegion.getClipStartOffsetSeconds(),
durationSeconds,
};
}
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import { beforeEach, describe, expect, it, vi } from 'vitest';
import { KGCore } from '../core/KGCore';
import { KGProject } from '../core/KGProject';
import { GlobalTrackType } from '../core/global-track';
import type { KGCommand } from '../core/commands';
import { KGAudioTrack } from '../core/track/KGAudioTrack';
import { KGAudioRegion } from '../core/region/KGAudioRegion';
import { KGTempoRegion } from '../core/region/KGTempoRegion';
import {
applyDetectedTempoAction,
buildDetectedTempoChoiceMessage,
DETECTED_TEMPO_ACTION_INSERT_REGION,
DETECTED_TEMPO_ACTION_UPDATE_CURRENT,
getRightwardBeatAlignmentShiftBeats,
} from './audioTempoDetectionActions';
import { findGlobalTrackByType, getSortedTempoRegions } from './globalTrackUtil';
function mockCoreForProject(project: KGProject) {
vi.mocked(KGCore.instance).mockReturnValue({
getCurrentProject: vi.fn(() => project),
executeCommand: vi.fn((command: KGCommand, options?: { rethrow?: boolean }) => {
try {
command.execute();
} catch (error) {
if (options?.rethrow) {
throw error;
}
}
}),
} as unknown as KGCore);
}
describe('audio tempo detection actions', () => {
beforeEach(() => {
const project = new KGProject('test-project', 8);
mockCoreForProject(project);
});
it('builds the detected tempo choice message', () => {
expect(buildDetectedTempoChoiceMessage(128)).toBe(
'Detected tempo: 128 BPM. Choose how to apply it.\n\nUpdate Current Tempo changes the active tempo at this clip location. Insert Tempo Change adds a new tempo region at the nearest bar before the clip starts.',
);
});
it('leaves the project unchanged when no action is applied by the caller', () => {
const project = new KGProject('test-project', 8);
const setBpm = vi.fn((bpm: number) => {
project.setBpm(bpm);
});
const refreshProjectState = vi.fn();
expect(project.getBpm()).toBe(120);
expect(refreshProjectState).not.toHaveBeenCalled();
expect(setBpm).not.toHaveBeenCalled();
});
it('updates the tempo region covering the region start', () => {
const project = new KGProject('test-project', 8);
const tempoTrack = findGlobalTrackByType(project, GlobalTrackType.Tempo);
if (!tempoTrack) {
throw new Error('Tempo track not found');
}
tempoTrack.setRegions([
new KGTempoRegion('tempo-a', tempoTrack.getId(), tempoTrack.getTrackIndex(), 120, 0, 8, 4),
]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
const setBpm = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_UPDATE_CURRENT,
detectedBpm: 132,
detectedTempo: 132,
detectedOffsetSeconds: 0,
autoAlignRegionToBeat: false,
project,
regionId: 'audio-1',
regionStartBeat: 10,
regionTrackId: 'track-1',
regionTrackIndex: 0,
refreshProjectState,
setBpm,
});
expect((tempoTrack.getRegions()[0] as KGTempoRegion).getBpm()).toBe(132);
expect(setBpm).not.toHaveBeenCalled();
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('falls back to project BPM when no tempo region exists', () => {
const project = new KGProject('test-project', 8);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
const setBpm = vi.fn((bpm: number) => {
project.setBpm(bpm);
});
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_UPDATE_CURRENT,
detectedBpm: 136,
detectedTempo: 136,
detectedOffsetSeconds: 0,
autoAlignRegionToBeat: false,
project,
regionId: 'audio-1',
regionStartBeat: 6,
regionTrackId: 'track-1',
regionTrackIndex: 0,
refreshProjectState,
setBpm,
});
expect(project.getBpm()).toBe(136);
expect(setBpm).toHaveBeenCalledWith(136);
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('creates a new tempo region at the floored start bar for mid-bar regions', () => {
const project = new KGProject('test-project', 8);
const tempoTrack = findGlobalTrackByType(project, GlobalTrackType.Tempo);
if (!tempoTrack) {
throw new Error('Tempo track not found');
}
tempoTrack.setRegions([
new KGTempoRegion('tempo-a', tempoTrack.getId(), tempoTrack.getTrackIndex(), 120, 0, 8, 4),
]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
const setBpm = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_INSERT_REGION,
detectedBpm: 128,
detectedTempo: 128,
detectedOffsetSeconds: 0,
autoAlignRegionToBeat: false,
project,
regionId: 'audio-1',
regionStartBeat: 10,
regionTrackId: 'track-1',
regionTrackIndex: 0,
refreshProjectState,
setBpm,
});
const tempoRegions = getSortedTempoRegions(tempoTrack, 4);
expect(tempoRegions).toHaveLength(2);
expect(tempoRegions[0].getStartBar()).toBe(0);
expect(tempoRegions[0].getLengthBars()).toBe(2);
expect(tempoRegions[1].getStartBar()).toBe(2);
expect(tempoRegions[1].getBpm()).toBe(128);
expect(setBpm).not.toHaveBeenCalled();
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('uses the same bar when the region starts exactly on a bar boundary', () => {
const project = new KGProject('test-project', 8);
const tempoTrack = findGlobalTrackByType(project, GlobalTrackType.Tempo);
if (!tempoTrack) {
throw new Error('Tempo track not found');
}
tempoTrack.setRegions([
new KGTempoRegion('tempo-a', tempoTrack.getId(), tempoTrack.getTrackIndex(), 120, 0, 8, 4),
]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_INSERT_REGION,
detectedBpm: 140,
detectedTempo: 140,
detectedOffsetSeconds: 0,
autoAlignRegionToBeat: false,
project,
regionId: 'audio-1',
regionStartBeat: 8,
regionTrackId: 'track-1',
regionTrackIndex: 0,
refreshProjectState,
setBpm: vi.fn(),
});
const tempoRegions = getSortedTempoRegions(tempoTrack, 4);
expect(tempoRegions).toHaveLength(2);
expect(tempoRegions[1].getStartBar()).toBe(2);
expect(tempoRegions[1].getBpm()).toBe(140);
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('updates the existing tempo region when one already starts at the target bar', () => {
const project = new KGProject('test-project', 8);
const tempoTrack = findGlobalTrackByType(project, GlobalTrackType.Tempo);
if (!tempoTrack) {
throw new Error('Tempo track not found');
}
tempoTrack.setRegions([
new KGTempoRegion('tempo-a', tempoTrack.getId(), tempoTrack.getTrackIndex(), 120, 0, 2, 4),
new KGTempoRegion('tempo-b', tempoTrack.getId(), tempoTrack.getTrackIndex(), 126, 2, 6, 4),
]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_INSERT_REGION,
detectedBpm: 144,
detectedTempo: 144,
detectedOffsetSeconds: 0,
autoAlignRegionToBeat: false,
project,
regionId: 'audio-1',
regionStartBeat: 8,
regionTrackId: 'track-1',
regionTrackIndex: 0,
refreshProjectState,
setBpm: vi.fn(),
});
const tempoRegions = getSortedTempoRegions(tempoTrack, 4);
expect(tempoRegions).toHaveLength(2);
expect(tempoRegions[1].getStartBar()).toBe(2);
expect(tempoRegions[1].getBpm()).toBe(144);
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('returns zero alignment shift for non-positive offsets', () => {
expect(getRightwardBeatAlignmentShiftBeats(125, 0)).toBe(0);
expect(getRightwardBeatAlignmentShiftBeats(125, -0.1)).toBe(0);
});
it('returns the minimum fractional shift to the next beat', () => {
const shiftBeats = getRightwardBeatAlignmentShiftBeats(124.99114291787713, 0.38548752834467126);
expect(shiftBeats).toBeGreaterThan(0);
expect(shiftBeats).toBeCloseTo(0.19695788752686635, 6);
});
it('moves the audio region right when auto-align is enabled for update-current-tempo', () => {
const project = new KGProject('test-project', 8);
const track = new KGAudioTrack('Audio', 0);
const region = new KGAudioRegion('audio-1', String(track.getId()), track.getTrackIndex(), 'Clip', 8, 4, 'file-1', 'clip.wav', 2);
track.setRegions([region]);
project.setTracks([track]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_UPDATE_CURRENT,
detectedBpm: 125,
detectedTempo: 124.99114291787713,
detectedOffsetSeconds: 0.38548752834467126,
autoAlignRegionToBeat: true,
project,
regionId: region.getId(),
regionStartBeat: region.getStartFromBeat(),
regionTrackId: region.getTrackId(),
regionTrackIndex: region.getTrackIndex(),
refreshProjectState,
setBpm: vi.fn((bpm: number) => project.setBpm(bpm)),
});
expect(region.getStartFromBeat()).toBeCloseTo(8.196957887526867, 6);
expect(region.getTrackId()).toBe(String(track.getId()));
expect(region.getTrackIndex()).toBe(track.getTrackIndex());
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
it('moves the audio region right when auto-align is enabled for insert-tempo-change', () => {
const project = new KGProject('test-project', 8);
const tempoTrack = findGlobalTrackByType(project, GlobalTrackType.Tempo);
if (!tempoTrack) {
throw new Error('Tempo track not found');
}
tempoTrack.setRegions([
new KGTempoRegion('tempo-a', tempoTrack.getId(), tempoTrack.getTrackIndex(), 120, 0, 8, 4),
]);
const track = new KGAudioTrack('Audio', 0);
const region = new KGAudioRegion('audio-1', String(track.getId()), track.getTrackIndex(), 'Clip', 10, 4, 'file-1', 'clip.wav', 2);
track.setRegions([region]);
project.setTracks([track]);
mockCoreForProject(project);
const refreshProjectState = vi.fn();
applyDetectedTempoAction({
action: DETECTED_TEMPO_ACTION_INSERT_REGION,
detectedBpm: 125,
detectedTempo: 124.99114291787713,
detectedOffsetSeconds: 0.38548752834467126,
autoAlignRegionToBeat: true,
project,
regionId: region.getId(),
regionStartBeat: region.getStartFromBeat(),
regionTrackId: region.getTrackId(),
regionTrackIndex: region.getTrackIndex(),
refreshProjectState,
setBpm: vi.fn(),
});
expect(region.getStartFromBeat()).toBeCloseTo(10.196957887526867, 6);
expect(refreshProjectState).toHaveBeenCalledTimes(1);
});
});
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import { KGCore } from '../core/KGCore';
import { CreateTempoRegionCommand } from '../core/commands/global-region/CreateTempoRegionCommand';
import { UpdateTempoRegionCommand } from '../core/commands/global-region/UpdateTempoRegionCommand';
import { MoveRegionCommand } from '../core/commands/region/MoveRegionCommand';
import type { KGProject } from '../core/KGProject';
import {
findTempoRegionAtBar,
findTempoRegionAtBeat,
} from './globalTrackUtil';
export const DETECTED_TEMPO_ACTION_UPDATE_CURRENT = 'update-current-tempo';
export const DETECTED_TEMPO_ACTION_INSERT_REGION = 'insert-tempo-change';
export type DetectedTempoAction =
| typeof DETECTED_TEMPO_ACTION_UPDATE_CURRENT
| typeof DETECTED_TEMPO_ACTION_INSERT_REGION;
export function buildDetectedTempoChoiceMessage(bpm: number): string {
return `Detected tempo: ${bpm} BPM. Choose how to apply it.\n\nUpdate Current Tempo changes the active tempo at this clip location. Insert Tempo Change adds a new tempo region at the nearest bar before the clip starts.`;
}
const ALIGNMENT_EPSILON = 1e-6;
interface ApplyDetectedTempoActionParams {
action: DetectedTempoAction;
detectedBpm: number;
detectedTempo: number;
detectedOffsetSeconds: number;
autoAlignRegionToBeat: boolean;
project: KGProject;
regionId: string;
regionStartBeat: number;
regionTrackId: string;
regionTrackIndex: number;
refreshProjectState: () => void;
setBpm: (bpm: number) => void;
}
export function getRightwardBeatAlignmentShiftBeats(
detectedTempo: number,
offsetSeconds: number,
): number {
if (!Number.isFinite(detectedTempo) || detectedTempo <= 0 || !Number.isFinite(offsetSeconds) || offsetSeconds <= 0) {
return 0;
}
const secondsPerBeat = 60 / detectedTempo;
const offsetWithinBeat = offsetSeconds % secondsPerBeat;
if (offsetWithinBeat <= ALIGNMENT_EPSILON || secondsPerBeat - offsetWithinBeat <= ALIGNMENT_EPSILON) {
return 0;
}
return (secondsPerBeat - offsetWithinBeat) / secondsPerBeat;
}
export function applyDetectedTempoAction({
action,
detectedBpm,
detectedTempo,
detectedOffsetSeconds,
autoAlignRegionToBeat,
project,
regionId,
regionStartBeat,
regionTrackId,
regionTrackIndex,
refreshProjectState,
setBpm,
}: ApplyDetectedTempoActionParams): void {
const core = KGCore.instance();
if (action === DETECTED_TEMPO_ACTION_UPDATE_CURRENT) {
const targetRegion = findTempoRegionAtBeat(project, regionStartBeat);
if (targetRegion) {
core.executeCommand(new UpdateTempoRegionCommand(targetRegion.getId(), detectedBpm), { rethrow: true });
} else {
setBpm(detectedBpm);
}
} else {
const beatsPerBar = project.getTimeSignature().numerator;
const targetBar = Math.max(0, Math.floor(regionStartBeat / beatsPerBar));
const existingRegionAtBar = findTempoRegionAtBar(project, targetBar);
if (existingRegionAtBar && existingRegionAtBar.getStartBar() === targetBar) {
core.executeCommand(new UpdateTempoRegionCommand(existingRegionAtBar.getId(), detectedBpm), { rethrow: true });
} else {
const createTempoRegionCommand = new CreateTempoRegionCommand(targetBar);
core.executeCommand(createTempoRegionCommand, { rethrow: true });
const createdRegion = createTempoRegionCommand.getCreatedRegion();
if (!createdRegion) {
throw new Error(`Failed to create tempo region at bar ${targetBar + 1}`);
}
core.executeCommand(new UpdateTempoRegionCommand(createdRegion.getId(), detectedBpm), { rethrow: true });
}
}
if (autoAlignRegionToBeat) {
const shiftBeats = getRightwardBeatAlignmentShiftBeats(detectedTempo, detectedOffsetSeconds);
if (shiftBeats > 0) {
core.executeCommand(
MoveRegionCommand.createPositionOnlyMove(
regionId,
regionStartBeat + shiftBeats,
regionTrackId,
regionTrackIndex,
),
{ rethrow: true },
);
}
}
refreshProjectState();
}
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import { analyze, guess } from 'web-audio-beat-detector';
const DEFAULT_MIN_TEMPO = 80;
const DEFAULT_MAX_TEMPO = 180;
const ABSOLUTE_MIN_TEMPO = 40;
const ABSOLUTE_MAX_TEMPO = 240;
export interface AudioTempoDetectionOptions {
minTempo: number;
maxTempo: number;
}
export interface AudioTempoAnalysisSpan {
offsetSeconds: number;
durationSeconds: number;
}
export interface DetectedAudioTempo {
tempo: number;
bpm: number;
offsetSeconds: number;
}
export const DEFAULT_AUDIO_TEMPO_DETECTION_OPTIONS: AudioTempoDetectionOptions = {
minTempo: DEFAULT_MIN_TEMPO,
maxTempo: DEFAULT_MAX_TEMPO,
};
function clampTempo(value: number): number {
if (!Number.isFinite(value)) {
return DEFAULT_MIN_TEMPO;
}
return Math.max(ABSOLUTE_MIN_TEMPO, Math.min(ABSOLUTE_MAX_TEMPO, Math.round(value)));
}
export function normalizeAudioTempoDetectionOptions(
options?: Partial<AudioTempoDetectionOptions>,
): AudioTempoDetectionOptions {
const minTempo = clampTempo(options?.minTempo ?? DEFAULT_MIN_TEMPO);
const maxTempo = clampTempo(options?.maxTempo ?? DEFAULT_MAX_TEMPO);
if (minTempo >= maxTempo) {
throw new Error('Minimum BPM must be lower than maximum BPM.');
}
return { minTempo, maxTempo };
}
export async function detectTempoFromAudio(
audioBuffer: AudioBuffer,
span: AudioTempoAnalysisSpan,
options?: Partial<AudioTempoDetectionOptions>,
): Promise<DetectedAudioTempo> {
const normalizedOptions = normalizeAudioTempoDetectionOptions(options);
// Keep the detector behind this wrapper because the library is MIT-licensed,
// works directly with browser AudioBuffers, supports subrange analysis, and
// exposes beat offset that we will need for future beat-alignment features.
const [tempo, guessResult] = await Promise.all([
analyze(audioBuffer, span.offsetSeconds, span.durationSeconds, normalizedOptions),
guess(audioBuffer, span.offsetSeconds, span.durationSeconds, normalizedOptions),
]);
return {
tempo,
bpm: Math.round(tempo),
offsetSeconds: guessResult.offset,
};
}
+40
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@@ -27,6 +27,16 @@ export interface MidiChordDetectionOptionsResult {
harmonicFocus: 'balanced' | 'favor-sustained-notes';
}
export interface TempoDetectionOptionsResult {
minTempo: number;
maxTempo: number;
}
export interface TempoApplyResult {
action: string;
autoAlignRegionToBeat: boolean;
}
export interface ChoiceOption {
label: string;
value: string;
@@ -39,6 +49,8 @@ let _showTimeSigFn: ((message: string, defaultValue?: TimeSigResult) => Promise<
let _showChoiceFn: ((message: string, choices: ChoiceOption[]) => Promise<string | null>) | null = null;
let _showChordDetectionOptionsFn: ((message: string, defaultValue?: ChordDetectionOptionsResult) => Promise<ChordDetectionOptionsResult | null>) | null = null;
let _showMidiChordDetectionOptionsFn: ((message: string, defaultValue?: MidiChordDetectionOptionsResult) => Promise<MidiChordDetectionOptionsResult | null>) | null = null;
let _showTempoDetectionOptionsFn: ((message: string, defaultValue?: TempoDetectionOptionsResult) => Promise<TempoDetectionOptionsResult | null>) | null = null;
let _showTempoApplyFn: ((message: string, choices: ChoiceOption[]) => Promise<TempoApplyResult | null>) | null = null;
export function registerDialogFns(
alertFn: (message: string) => Promise<void>,
@@ -48,6 +60,8 @@ export function registerDialogFns(
choiceFn?: (message: string, choices: ChoiceOption[]) => Promise<string | null>,
chordDetectionOptionsFn?: (message: string, defaultValue?: ChordDetectionOptionsResult) => Promise<ChordDetectionOptionsResult | null>,
midiChordDetectionOptionsFn?: (message: string, defaultValue?: MidiChordDetectionOptionsResult) => Promise<MidiChordDetectionOptionsResult | null>,
tempoDetectionOptionsFn?: (message: string, defaultValue?: TempoDetectionOptionsResult) => Promise<TempoDetectionOptionsResult | null>,
tempoApplyFn?: (message: string, choices: ChoiceOption[]) => Promise<TempoApplyResult | null>,
) {
_showAlertFn = alertFn;
_showConfirmFn = confirmFn;
@@ -56,6 +70,8 @@ export function registerDialogFns(
if (choiceFn) _showChoiceFn = choiceFn;
if (chordDetectionOptionsFn) _showChordDetectionOptionsFn = chordDetectionOptionsFn;
if (midiChordDetectionOptionsFn) _showMidiChordDetectionOptionsFn = midiChordDetectionOptionsFn;
if (tempoDetectionOptionsFn) _showTempoDetectionOptionsFn = tempoDetectionOptionsFn;
if (tempoApplyFn) _showTempoApplyFn = tempoApplyFn;
}
export function showAlert(message: string): Promise<void> {
@@ -126,3 +142,27 @@ export function showMidiChordDetectionOptions(
}
return _showMidiChordDetectionOptionsFn(message, defaultValue);
}
export function showTempoDetectionOptions(
message: string,
defaultValue?: TempoDetectionOptionsResult,
): Promise<TempoDetectionOptionsResult | null> {
if (!_showTempoDetectionOptionsFn) {
return Promise.resolve(defaultValue ?? {
minTempo: 80,
maxTempo: 180,
});
}
return _showTempoDetectionOptionsFn(message, defaultValue);
}
export function showTempoApply(message: string, choices: ChoiceOption[]): Promise<TempoApplyResult | null> {
if (!_showTempoApplyFn) {
return Promise.resolve(
window.confirm(message)
? { action: choices[0]?.value ?? '', autoAlignRegionToBeat: false }
: null,
);
}
return _showTempoApplyFn(message, choices);
}