ComfyUI Extension: ComfyUI_CustomResolution_I2V

Authored by AugustusLXIII

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Specialized resolution utility node for WanVideo Image-to-Video workflows with 20 preset levels, manual override with auto-rounding, and tooltips for custom dimensions. (Description by CC)

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    README

    <img width="885" height="842" alt="image" src="https://github.com/user-attachments/assets/37610a6c-a036-4db2-ba0c-ed604e90a125" />

    ComfyUI Custom Resolution I2V A specialized resolution utility node for WanVideo Image-to-Video (I2V) workflows. This node provides standard resolution presets while offering a manual override system with automatic rounding.

    āœØ Features WanVideo Presets: 20 pre-defined resolution levels (k18 to k55) optimized for WanVideo, covering Portrait, Landscape, and Square aspect ratios.

    Smart Manual Override: Easily switch from presets to custom dimensions.

    Automatic Rounding: Optional rounding modes (Multiple of 8 or 16) to ensure your custom resolutions are compatible with video encoders.

    In-Node Tooltips: Hover over any field within ComfyUI to see detailed instructions and logic explanations.

    šŸ›  Installation Option 1: Via ComfyUI Manager (Recommended) Search for Custom Resolution I2V in the ComfyUI Manager.

    Click Install.

    Option 2: Manual Installation (Git) Open a terminal in your ComfyUI/custom_nodes/ folder.

    Run the following command:

    git clone https://github.com/YourGitHubUsername/ComfyUI_CustomResolution_I2V.git

    Restart ComfyUI.

    šŸš€ How to Use Aspect Ratio: Choose between Portrait, Landscape, or Square.

    Resolution Level: Select a preset tier. The node will automatically calculate the correct dimensions.

    Manual Override: * Set the toggle to Enabled.

    Input your desired manual_width and manual_height.

    Note: If either dimension is set to 0, the node will ignore the override and default back to the selected Preset Level.

    Rounding Mode: Choose a rounding preference for your manual dimensions to prevent "division by zero" or "invalid shape" errors during video encoding.

    šŸ“¦ Node Outputs width/height: The calculated dimensions (integer).

    length: Total frame count (calculated based on your duration input @ 16fps).

    framerate: Fixed at 16fps as per WanVideo standards.

    šŸ“„ License This project is licensed under the MIT License.