ComfyUI-AutoFlow

ComfyUI-AutoFlow

A collection of utility nodes for ComfyUI focused on path processing, string operations, and video processing.

Features

Path Processing Nodes

• Path Parser: Extract directory, filename, and extension from file paths
• Path Joiner: Combine directory, filename, and extension into a complete path
• Path Validator: Validate path format and check if paths exist

String Processing Nodes

• String Concatenator: Join two strings with optional separator
• Multi String Concatenator: Join multiple strings with separator
• String Replacer: Replace text with regex and case-sensitivity options
• String Splitter: Split strings by delimiter into multiple parts
• String Formatter: Format strings using Python format syntax
• String Case Converter: Convert string case (upper, lower, title, etc.)

Video Processing Nodes 🎬 NEW!

• Video To Images: Convert video files to image sequences
• Add Alpha Channel: Add mask as alpha channel to create transparent images
• Save Images With Alpha: Save transparent PNG image sequences
• Combine Video And Mask: One-step solution to combine video and mask into transparent PNGs

✨ Key Features:

• 🔄 Dual Input Modes: Upload mode or Path mode (boolean toggle)
• 📤 Upload Button: Click to browse and upload videos directly ⭐ NEW
• 🎬 Video Preview: Loop preview in node after selection ⭐ NEW
• 📁 Flexible: Process videos from anywhere on your system
• 🚀 Batch-Friendly: Perfect for automation and batch processing
• 🎯 Easy to Use: Choose the mode that fits your workflow

📖 Documentation:

• VIDEO_ALPHA_GUIDE.md - Complete video processing guide
• VIDEO_INPUT_MODES.md - Input modes comparison and usage
• COMFYUI_FRONTEND_DEV_RULES.md - Frontend extension development rules

Installation

1. Navigate to your ComfyUI custom nodes directory:

   cd ComfyUI/custom_nodes/
   

2. Clone this repository:

   git clone https://github.com/your-username/ComfyUI-AutoFlow.git
   

3. Restart ComfyUI

Usage

After installation, you can find all AutoFlow nodes in the node menu under the "AutoFlow" category.

Path Processing Example

1. Path Parser:

   • Input: C:\workspace\hello.png
   • Output: Directory: C:\workspace\, Filename: hello, Extension: .png

2. Path Joiner:

   • Input: Directory: C:\workspace\, Filename: hello, Extension: .png
   • Output: C:\workspace\hello.png

String Processing Example

1. String Concatenator:

   • Input: String A: Hello, String B: World, Separator:
   • Output: Hello World

2. String Formatter:

   • Input: Template: {v1}_{n1:03d}.png, Value 1: image, Number 1: 42
   • Output: image_042.png

Node Categories

All nodes are organized under the AutoFlow category in ComfyUI:

• AutoFlow/Utilities
  • Path Parser
  • Path Joiner
  • Path Validator
  • String Concatenator
  • Multi String Concatenator
  • String Replacer
  • String Splitter
  • String Formatter
  • String Case Converter

Requirements

• ComfyUI
• Python 3.7+

License

This project is licensed under the MIT License - see the LICENSE file for details.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.