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AI Compositing Tutorial in After Effects (Firefly and Runway)

#AI Tools
2025-09-27 02:338 min read

Content Introduction

In this tutorial by Flotion, learn how to seamlessly combine AI-generated videos with real footage using Adobe After Effects. The tutorial covers three methods: attaching real footage to an AI clip, embedding an AI scene within live-action shots, and transforming existing film footage while preserving its core structure. The creator provides a detailed walkthrough, sharing tips on prepping assets and using Adobe Firefly and Runway AI for creative enhancements. Viewers are encouraged to experiment with their creativity while using these advanced tools and are invited to share their experiences in the comments.

Key Information

  • The tutorial aims to show how to combine AI-generated videos with real footage using Adobe After Effects.
  • Three methods are explored: attaching real footage to the end of an AI-generated clip, embedding an AI-generated scene into a live-action video, and completely transforming a film video while maintaining its core structure.
  • Real footage preparation involves creating two versions of a room: one with furniture and one without, using Photoshop's AI to generate the empty room.
  • In the second example, the tutorial covers integrating AI content into the middle of a live-action shot using Adobe Firefly.
  • The final example demonstrates using Runway's Gen 4 tool to enhance existing videos rather than creating new ones, showcasing the versatility of AI tools.
  • Key challenges mentioned include manual adjustments for aspect ratios and color corrections when integrating AI-generated content.

Timeline Analysis

Content Keywords

AI Video Tutorial

This tutorial by Flotion focuses on combining AI video with real footage using Adobe After Effects. It covers methods to create and integrate AI-generated content seamlessly into existing videos.

Adobe After Effects

The software is used for editing and combining AI-generated scenes with live-action footage, providing detailed step-by-step instructions on effective editing techniques.

AI Integration Methods

Three integration methods are explored: attaching real footage to an AI clip, embedding AI scenes into live-action videos, and transforming existing film footage while maintaining its core structure.

Adobe Firefly

A tool utilized in the tutorial for generating AI videos that can be inserted between footage in After Effects, enhancing the production process.

Runway Gen-4 Tool

This tool offers advanced features to enhance existing videos by manipulating objects within them, making it easier to create complex visual effects.

Creative Possibilities

The tutorial highlights the power of AI in video production, emphasizing its ability to expand creative options and streamline workflows, despite current technical challenges.

Audience Interaction

The tutorial concludes by encouraging viewers to share their experiences with AI tools and express interest in future tutorials, fostering community engagement.

Related questions&answers

What is the purpose of this tutorial?

The tutorial aims to show how to combine AI video with real footage seamlessly using After Effects.

What software is being used in this tutorial?

The tutorial uses After Effects and Adobe Firefly.

What are the three different methods explored in the tutorial?

The methods include attaching real footage to an AI-generated clip, embedding an AI scene into a continuous live-action video, and transforming an existing film video while maintaining its core structure.

How does one prepare assets for the first shot?

You need two versions of the same room: one with furniture and one without.

What tool is used to remove furniture from the footage?

Photoshop's AI with the generative fill feature is used to remove furniture.

What is required to generate a clip in Firefly?

You need to upload the first frame as an empty room and the last frame as the room with furniture.

How can you enhance the generated footage?

You can enhance the prompt text to provide more detailed descriptions for the AI.

What are some potential issues with Adobe Firefly?

Aspect ratio mismatches and color inaccuracies may require manual adjustments.

What tool does the tutorial suggest for enhancing existing footage?

Runway's Gen 4 tool is suggested for manipulating existing footage.

What is the unique feature of ALF mentioned in the tutorial?

You can interactively chat with ALF to make changes to your video.

What are some creative applications mentioned for AI tools?

Creating complex VFX scenes, seamless transitions, and manipulating footage through commands.

What final advice is given to users?

The only limit is your imagination, so experiment with these powerful new tools!

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