Sebastian Krüger
3c950eeba7
Added core multi-track support with track management and controls: **Track Types & Utilities:** - Track interface with audio buffer, controls (volume/pan/solo/mute) - Track utility functions for creation, mixing, and gain calculation - Track color system with 9 preset colors - Configurable track heights (60-300px) **Components:** - TrackHeader: Collapsible track controls with inline name editing - Solo/Mute buttons with visual feedback - Volume slider (0-100%) and Pan control (L-C-R) - Track color indicator and remove button - Track: Waveform display component with canvas rendering - Click-to-seek on waveform - Playhead visualization - Support for collapsed state - TrackList: Container managing multiple tracks - Scrollable track list with custom scrollbar - Add track button - Empty state UI **State Management:** - useMultiTrack hook with localStorage persistence - Add/remove/update/reorder track operations - Track buffer management Features implemented: - ✅ Track creation and removal - ✅ Track naming (editable) - ✅ Track colors - ✅ Solo/Mute per track - ✅ Volume fader per track (0-100%) - ✅ Pan control per track (L-C-R) - ✅ Track collapse/expand - ✅ Track height configuration - ✅ Waveform visualization per track - ✅ Multi-track audio mixing utilities Next: Integrate into AudioEditor and implement multi-track playback 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
56 lines
1.0 KiB
TypeScript
56 lines
1.0 KiB
TypeScript
/**
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* Multi-track types and interfaces
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*/
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export interface Track {
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id: string;
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name: string;
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color: string;
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height: number;
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audioBuffer: AudioBuffer | null;
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// Track controls
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volume: number; // 0-1
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pan: number; // -1 (left) to 1 (right)
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mute: boolean;
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solo: boolean;
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recordEnabled: boolean;
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// UI state
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collapsed: boolean;
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selected: boolean;
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}
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export interface TrackState {
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tracks: Track[];
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selectedTrackId: string | null;
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soloedTracks: Set<string>;
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}
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export type TrackColor =
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| 'red'
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| 'orange'
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| 'yellow'
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| 'green'
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| 'blue'
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| 'indigo'
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| 'purple'
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| 'pink'
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| 'gray';
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export const TRACK_COLORS: Record<TrackColor, string> = {
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red: 'rgb(239, 68, 68)',
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orange: 'rgb(249, 115, 22)',
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yellow: 'rgb(234, 179, 8)',
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green: 'rgb(34, 197, 94)',
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blue: 'rgb(59, 130, 246)',
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indigo: 'rgb(99, 102, 241)',
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purple: 'rgb(168, 85, 247)',
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pink: 'rgb(236, 72, 153)',
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gray: 'rgb(156, 163, 175)',
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};
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export const DEFAULT_TRACK_HEIGHT = 120;
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export const MIN_TRACK_HEIGHT = 60;
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export const MAX_TRACK_HEIGHT = 300;
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