ComfyUI-Veo2-Experimental

A custom node extension for ComfyUI that integrates Google's Veo 2 text-to-video generation capabilities.

Overview of Veo 2

Veo 2 is designed to generate high-quality videos from text or image prompts, supporting a variety of cinematic and visual styles. It excels in rendering intricate details across frames and offers features like real-world physics simulation and nuanced motion accuracy.

⚠️ Important: <span style="color:red">This feature may not yet be available in your country. You may also be charged by Google for additional usage 0.35$ per sec.</span>

Key Features of Veo 2

• Text-to-Video Generation: Create videos from descriptive text prompts
• Resolution: Outputs videos in 720p resolution at 24 frames per second
• Aspect Ratios: Supports standard formats like 16:9 and 9:16
• Maximum Video Length: Up to 8 seconds per video
• Watermarking: Videos are watermarked with SynthID for ethical AI use

Features

• Generate videos from text prompts using Google's Veo 2 model
• Configure video aspects like duration, aspect ratio, and person generation
• Save generated videos to your output directory
• Convert Veo videos to VHS-compatible image format for further processing

Requirements

• ComfyUI (latest version recommended)
• Google Cloud API Key with access to Veo 2
• Python 3.8+
• Google Generative AI Python SDK: pip install google-genai

Installation

1. Clone this repository into your ComfyUI custom_nodes folder:

   cd /path/to/ComfyUI/custom_nodes
   git clone https://github.com/ShmuelRonen/ComfyUI-Veo2-Experimental
   

2. Install the Google Generative AI SDK:

   pip install --upgrade google-genai
   

3. Get your free API key from Google AI Studio:

• Visit Google AI Studio
• Log in with your Google account
• Click on "Get API key" or go to settings
• Create a new API key
• Copy the API key for use in .env file

• Create a .env file in the extension directory with your Google API key:

GOOGLE_API_KEY=your_google_api_key_here

3. Restart ComfyUI

Usage

Veo Text to Video

1. Add the "Veo Text to Video" node to your workflow
2. Enter your prompt describing the video you want to generate
3. Configure:
   • Aspect ratio (16:9 or 9:16)
   • Person generation setting (don't allow or allow adult)
   • Duration (5-8 seconds)
4. Connect to "Veo Video Saver" to view and save results

Veo Video Saver

1. Connect video output from a Veo generation node
2. Configure:
   • Save to output (true/false)
   • Filename prefix
3. Execute to save videos to your ComfyUI output directory

Veo to VHS

Converts Veo videos to a format compatible with other ComfyUI video processing nodes.

Notes

• Video generation may take several minutes
• The extension implements rate limiting to avoid quota errors
• Image-to-video generation is currently not supported by Google's API
• Maximum video duration is 8 seconds

Troubleshooting

If you encounter "Google API key is required" errors:

• Check that your .env file is in the correct location
• Verify your API key is valid and has access to Veo 2
• Restart ComfyUI

License

[Your License Here]