updating premain

[KRSHH]

Summary by Sourcery

Enhance platform-specific handling for camera detection and face enhancer initialization.

Enhancements:

• Improve camera detection logic by adding specific handling for macOS and Windows platforms.
• Refactor face enhancer initialization to use a match-case statement for platform-specific logic.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request updates the UI and face enhancer modules to include platform-specific logic. In the UI module, Windows-specific imports are added, and camera detection is refactored to handle macOS and Linux separately. The face enhancer module is refactored to use match-case for platform-specific initialization, improving clarity and maintainability.

Sequence diagram for platform-specific camera detection

sequenceDiagram
    participant App
    participant CameraDetector
    participant OS
    participant Camera

    App->>CameraDetector: get_available_cameras()
    alt macOS
        CameraDetector->>OS: Check platform
        OS-->>CameraDetector: Darwin
        CameraDetector->>Camera: Try FaceTime camera (index 0)
        Camera-->>CameraDetector: Camera status
        loop Additional cameras
            CameraDetector->>Camera: Try indices 1,2
            Camera-->>CameraDetector: Camera status
        end
    else Linux/Other
        CameraDetector->>OS: Check platform
        OS-->>CameraDetector: Other
        loop Test cameras
            CameraDetector->>Camera: Try indices 0-9
            Camera-->>CameraDetector: Camera status
        end
    end
    CameraDetector-->>App: Return camera list

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State diagram for face enhancer initialization

stateDiagram-v2
    [*] --> CheckPlatform
    CheckPlatform --> Darwin: platform == Darwin
    CheckPlatform --> OtherOS: platform != Darwin

    Darwin --> CheckMPS: Check MPS availability
    CheckMPS --> MPSAvailable: Yes
    CheckMPS --> MPSNotAvailable: No

    MPSAvailable --> InitWithMPS: Initialize with MPS device
    MPSNotAvailable --> InitDefault: Initialize with default
    OtherOS --> InitDefault: Initialize with default

    InitWithMPS --> [*]
    InitDefault --> [*]

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File-Level Changes

Change	Details	Files
Added platform-specific imports and logic for Windows in the UI module.	Imported FilterGraph from pygrabber.dshow_graph for Windows platform. Added conditional import based on platform check for Windows.	modules/ui.py
Refactored camera detection logic to handle macOS and Linux separately in the UI module.	Added specific handling for FaceTime camera on macOS. Separated camera detection logic for macOS and Linux. Tested additional camera indices for macOS.	modules/ui.py
Refactored face enhancer initialization to use match-case for platform-specific logic in the face enhancer module.	Replaced if-else with match-case for platform detection. Handled mps device initialization for macOS if available. Simplified logic for other operating systems.	modules/processors/frame/face_enhancer.py

Possibly linked issues

• multiface #1: PR updates face enhancer logic, potentially fixing the CLI issue with face enhancer.

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[sourcery-ai]

Hey @KRSHH - I've reviewed your changes - here's some feedback:

Overall Comments:

• The Windows-specific import (pygrabber.dshow_graph) is added but not used anywhere in the code. Consider removing it until it's needed to avoid unnecessary dependencies.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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