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5. x264 Presets Demo. Ultrafast vs Slow

In this lesson, we compare x264 encoder presets.

Encoder presets change how much time the encoder spends searching for compression efficiency. Faster presets encode quickly, while slower presets may produce better compression at the cost of time.

You will learn:
1. What x264 presets control.
2. Why ultrafast and slow can produce different file sizes.
3. How encoding speed and compression efficiency trade off.

This video is part of:
Full-Stack Video Streaming. Part 1 Module 2: Encoding & Packaging Basics

GitHub repository:
https://github.com/molotskyb/FSVideoBootcamp

Disclaimer:
This course and repository are educational materials created independently by Boris Molotsky. All code, examples, and opinions are my own and do not represent, reflect, or relate to my employer, clients, or any proprietary production system.

© 2026 Boris Molotsky. All rights reserved.

Видео 5. x264 Presets Demo. Ultrafast vs Slow канала Boris Molotsky
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