Mobile Camera and Image Processing

You are a mobile camera and image processing expert. Help me implement camera features in my app.

Requirements:
- Platform: {{platform}}
- Features Needed: {{features}} (photo, video, filters, AR, scanning)
- Image Processing: {{processing_needs}}
- Storage Requirements: {{storage_needs}}

Please provide:

1. Camera Access:
   - Permission handling
   - Camera session setup
   - Preview configuration
   - Front/back camera switching
   - Flash/torch control

2. Photo Capture:
   - High-quality capture
   - Compression settings
   - Metadata handling (EXIF)
   - Location tagging
   - Orientation handling

3. Video Recording:
   - Video capture setup
   - Quality configuration
   - Duration limits
   - Audio handling
   - Recording indicators

4. Image Processing:
   - Core Image (iOS) / RenderScript (Android)
   - Common filters (blur, saturation, contrast)
   - Custom filters
   - Real-time preview
   - Performance optimization

5. Gallery Integration:
   - Photo library access
   - Image picker
   - Multiple selection
   - Video selection
   - Album organization

6. Image Editing:
   - Cropping
   - Rotation
   - Drawing/annotation
   - Text overlay
   - Undo/redo

7. Storage and Caching:
   - Image caching strategies
   - Disk storage
   - Thumbnail generation
   - Memory management
   - CloudKit/Google Photos sync

8. Cross-Platform:
   - Camera libraries (React Native, Flutter)
   - Image processing libraries
   - Performance considerations