valknar/audio-ui
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2 Commits

Author SHA1 Message Date
Sebastian Krüger
ebfb4d3fff feat: implement Phase 2 - Web Audio API engine and waveform visualization 
Phase 2 Complete Features:
- Web Audio API context management with browser compatibility
- Audio file upload with drag-and-drop support
- Audio decoding for multiple formats (WAV, MP3, OGG, FLAC, AAC, M4A)
- AudioPlayer class with full playback control
- Waveform visualization using Canvas API
- Real-time waveform rendering with progress indicator
- Playback controls (play, pause, stop, seek)
- Volume control with mute/unmute
- Timeline scrubbing
- Audio file information display

Components:
- AudioEditor: Main editor container
- FileUpload: Drag-and-drop file upload component
- AudioInfo: Display audio file metadata
- Waveform: Canvas-based waveform visualization
- PlaybackControls: Transport controls with volume slider

Audio Engine:
- lib/audio/context.ts: AudioContext management
- lib/audio/decoder.ts: Audio file decoding utilities
- lib/audio/player.ts: AudioPlayer class for playback
- lib/waveform/peaks.ts: Waveform peak generation

Hooks:
- useAudioPlayer: Complete audio player state management

Types:
- types/audio.ts: TypeScript definitions for audio types

Features Working:
✓ Load audio files via drag-and-drop or file picker
✓ Display waveform with real-time progress
✓ Play/pause/stop controls
✓ Seek by clicking on waveform or using timeline slider
✓ Volume control with visual feedback
✓ Audio file metadata display (duration, sample rate, channels)
✓ Toast notifications for user feedback
✓ SSR-safe audio context initialization
✓ Dark/light theme support

Tech Stack:
- Web Audio API for playback
- Canvas API for waveform rendering
- React 19 hooks for state management
- TypeScript for type safety

Build verified and working ✓

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-17 15:32:00 +01:00
Sebastian Krüger
591f726899 feat: initialize Next.js 16 project with Tailwind CSS 4 and Docker support 
Phase 1 Implementation:
- Set up Next.js 16 with React 19, TypeScript 5, and Turbopack
- Configure Tailwind CSS 4 with OKLCH color system
- Implement dark/light theme support
- Create core UI components: Button, Card, Slider, Progress, Toast
- Add ThemeToggle component for theme switching
- Set up project directory structure for audio editor
- Create storage utilities for settings management
- Add Dockerfile with multi-stage build (Node + nginx)
- Configure nginx for static file serving with caching
- Add docker-compose.yml for easy deployment
- Configure static export mode for production

Tech Stack:
- Next.js 16 with Turbopack
- React 19
- TypeScript 5
- Tailwind CSS 4
- pnpm 9.0.0
- nginx 1.27 (for Docker deployment)

Build verified and working ✓

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-17 15:23:00 +01:00