Piotr's Video Encoding Course, Part 2: Constant vs. Variable Bitrates, Tools, Tips, and More
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 Published On Dec 8, 2023

In Part 1, Piotr explore what the heck a codec is, the difference between H.264, VP8, VP9, H.265, and AV1, compression, and more.

Now he's back to talk about bitrate, video artifacts, constant vs variable bitrates, and helpful tips and tools. Learn some time-saving tricks and round out your knowledge about video encoding. It's like sitting down and having a whiteboard session with an industry pro.

Part 1:    • Piotr's Video Encoding Course, Part 1...  

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0:00 - Intro
0:03 - What is 'bitrate'?
0:29 - Video artifacts
0:34 - Methods of assigning bitrate
1:38 - When you should use "constant bitrate"?
1:49 - When you should use "variable bitrate"?
2:16 - When you should use "constant rate factor"?
2:54 - What are encoder "presets"?
3:56 - How to find best preset & bitrate/CRF & codec combination?
4:52 - Tool that will save your time (ab-av1)
5:23 - Example script for ab-av1
5:39 - How I used this tool to do one week job in one hour.
6:01 - VMAF score meaning
6:27 - Encoding ladder
6:52 - Software vs Hardware encoder
7:58 - Hardware encoders have amazing throughput...
8:30 - ...but software encoders have way better quality for given bitrate!

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