I used to use it as a reference

https://wiki.x266.mov/

I thought my mid tier laptop CPU could not handle AV1 SVT SW encoding. I tried both preset 0 and 10 which are the extremes of the spectrum. And both work!

0 is basically impractical though. And 10 is FAST. The size difference is around 9%. Is it worth it to waste 9% space for extremely fast encoding? I say yes.

Vmaf is higher with 10 bit. 8 bit is good too. The source I tested with is 8-bit hevc.

I used the Nmkoder app on Windows to compare different presets. Vmaf is above 96 even with RF 30. It is crazy!!! 50% file size reduction with vmaf and psnr and ssim scores being so high.

Hi all,

If guys have used AV2 (AVM) , you know how painful it is because avmenc.exe is single-threaded, ridiculously slow, and a pain to set up. Also its pain to install all the dependencies and then there is also no GUI options.

I built a web-based GUI that solves this by parallelizing the pipeline (using all the cores!)

GitHub: https://github.com/aditya0155/AV2-GUI-Encoder

https://preview.redd.it/hdu0xq4c9g5h1.png?width=2521&format=png&auto=webp&s=839355fd01e1e04c1eeb2f42477a97a99fb142a4

https://preview.redd.it/h7q6fokc9g5h1.png?width=2544&format=png&auto=webp&s=b8f1f12a7ff6c79d58d238786a303edb82131a90

Why use it?

• 8x–16x Faster: Splits videos into segments automatically and encodes them concurrently across all CPU threads.

• True Zero-Dependency Setup: Double-click launch.bat and it will automatically download portable Node.js and FFmpeg if you don't have them.

• Clean Web UI: Real time websocket progress, logs, frame-rate charts, and live ETA.

• Resolution Controls: Scale resolutions down (e.g. 1080p -> 240p) or set frame limits for ultra-fast testing.

• EBML Header Patching: binary patching to bypass FFmpeg's AV2 container restrictions.

How to run:

1. Clone the repo.
2. Only if the build fails then put your compiled avmenc.exe in the /build folder.
3. Double-click launch.bat.

Thank you for reading and let me know what you think :)

Hi! I'd like to encode my entire movie library to AV1. I have it all on a 1 TB HDD, which is approximately at 80% capacity, and most of my files are h.264 and some h.265, what I'm looking forward to is saving space so I don't have to buy another HDD until it's absolutely necessary.

The problem is, while all the hardware I own has hardware accelerated AV1 decoding (TV stick, phone, laptop, PC), I currently don't own any hardware capable of ENCODING to AV1 using hardware acceleration, so my question is, how could I go on about transcoding all my files to AV1 to achieve similar or identical quality while saving space without dedicated hardware for it?

The PC I'm planning on doing this in is a Ryzen 5600x + Radeon 6750XT with 32 GB of DDR4 memory on a B450m Asus TUF motherboard.

The story of the AV2 decoder dav2d, a fork of the dav1d decoder. dav1d was the most widely deployed AV1 software decoder and one of the fastest.

If the website is down for you, use these links:

• https://web.archive.org/web/20260531130034/https://jbkempf.com/blog/2026/dav2d/
• https://archive.md/ln5UE

From the post:

> AV2 decoding is roughly five times more complex than AV1 decoding. In practice, that means software running on today’s hardware will struggle to decode AV2 in real time without careful, architecture-specific optimization.

I am particularly interested in image compression using AVIF, as it is now a widely used format on the web.

I don't think we'll see an AVIF2, but if we do, it will be decades from now...

Ahora mismo estoy usando 6000 bitrate variable en promedio en handbrake, en mi opinion el resultado se ve bien ¿que opinan ustedes? ¿Cual es adecuado para ustedes?

I am making a video for a contest and it is allowed to use 4k video quality. However, the highest bitrate I'm allowed to use is 12. Would it even make sense to do that or should I just ignore the rule? (It's not a prestigious thing at all, the rules are all over the place and I wonder if they would even check it lmao)

Hi. I'm gonna buy a new phone and since I mostly watch videos on it I wanted AV1 decoding capable phone. I've prepared couple samples and tested phones at store and despite having Snapdragon 7 Gen 4, Honor 600 had no hardware decoding of AV1 videos. On the other hand Oppo Reno 15, which also have Snapdragon 7 Gen 4 had hardware decoding. Why this is happened? I've used latest MPV and exactly same videos.