Preview Window - Copy this React, Mui Component to your project

enders a live video preview with adjustable brightness and contrast - Offers toggle buttons for muting microphone and disabling video - Uses custom volume indicator to visualize audio levels - Supports real-time device switching with stream management 3. User Interaction Features: - Provides test buttons for microphone and speaker verification - Includes sliders for fine-tuning video brightness and contrast - Implements a modal dialog for comprehensive media settings - Offers save and cancel options for configuration 4. Accessibility and User Experience: - Responsive grid layout for settings - Handles edge cases like no media devices detected - Uses meaningful icons for audio/video state representation - Provides clear error messaging for device access problems