Av1an
NotEnoughAV1Encodes
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Av1an | NotEnoughAV1Encodes | |
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65 | 18 | |
1,345 | 511 | |
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7.3 | 7.4 | |
10 days ago | 8 days ago | |
Rust | C# | |
GNU General Public License v3.0 only | MIT License |
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Av1an
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Guide to Adopting AV1 Encoding
The hardware encoders are very fast and generally better than x264 (but not by as much as you'd think with the x264 slow preset).
In addition, there are threaded AV1 encoders you may be overlooking, like SVT-AV1. For non-realtime, my favorite is av1an, which also yields better quality than is possible from aomenc: https://github.com/master-of-zen/Av1an
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I have a feeling crunchyroll should be using AV1
I specifically used https://github.com/master-of-zen/Av1an with --target-quality 100 to keep the compression as close to lossless as possible (you could probably shave even more size off if you didn’t use near-lossless compression)
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Automatic choose encode settings?
There's also Av1an as suggested by someone else. It's going to produce more efficient encodes because it uses chunk-based encoding to reach the required VMAF for every single chunk, but this is also slower because every chunk will be re-encoded until the VMAF target is reached. It's also a PITA to compile, has a long list of bugs, and isn't very actively developed. One of the long-standing issues is that frames have a tendency to go missing during splitting, which IME is going to keep happening when the input files aren't standardized. And thus the recommendation is to transcode the input to lossless first, which is just completely unsustainable.
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Building pc for ffmpeg rendering
i'm still trying to figure out if av1an is the breakthrough to using large CPU counts without losing quality. but it's a ridiculously poorly documented program. i haven't gotten it to run effectively yet. https://github.com/master-of-zen/Av1an
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Codecs for the 4K Era: HEVC, AV1, VVC and Beyond
I don't know about VVC, but I've never seen a recommendation of preset 0 for SVT-AV1. The docs say "presets 1-3 represent extremely high efficiency, for use when encode time is not important and quality/size of the resulting video file is critical". It seems like 0 is the equivalent placebo preset. But if you want AV1 with coding efficiency over all else, IIRC the typical approach is to use av1an to detect scene transitions and farm out parallel encodes with aomenc.
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Automating av1 encoding?
That might be because it doesn't work.
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VMAF is confusing me
Have you seen Av1an? It's supposed to encode to a target VMAF.
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Trying to use av1an without success
Are you using the current version, 0.4.0, from https://github.com/master-of-zen/Av1an/releases
- Av1an - Cross-platform command-line AV1 encoding framework written in Rust
- Av1an: Cross-platform command-line AV1 encoding framework written in Rust
NotEnoughAV1Encodes
- Linux GUI/Frontend for VMAF
- [A guide to SVT-AV1] How to reduce video size by up to 30x
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Best GUI software for AV1 encoding?
I think notenoughav1encoders is another one but I had only just remembered that one. Might be worth a check out though
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frames with aomenc?
Tools like NEav1e (https://github.com/Alkl58/NotEnoughAV1Encodes/releases) will do a better job with AOMEnc encoding, maintaining a better quality and efficient CPU use. However, it may require a lot of disk space for encoding (depending on your chosen encoding configuration).
- How to install Av1an on Windows 10 x64 ?
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Getting started with av1
Handbrake has AV1 options in the nightly releases. There are lots of encoders that wrap FFmpeg into a GUI such as Fastflix, nmkoder, qencoder, or Not Enough AV1 Encoders.
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aomenc outputs a completely unexpected result
The answer is in this log which was made by this program for anyone interrested https://github.com/Alkl58/NotEnoughAV1Encodes :
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Dav1d, fast AV1 decoder, version 1.0.0 released
https://www.spiedigitallibrary.org/conference-proceedings-of...
It's good and getting gooder.
Just give it a try using https://github.com/Alkl58/NotEnoughAV1Encodes or whatever, svt-6 is fairly quick.
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AV1 encoding using StaxRip
maybe you can try this https://github.com/Alkl58/NotEnoughAV1Encodes. Discovered when i read about AV1. So dont know it good or not.
- NotEnoughAV1Encodes - Release v2.0.4
What are some alternatives?
HandBrake - HandBrake's main development repository
staxrip - 🎞 Video encoding GUI for Windows.
SVT-AV1
FastFlix - FastFlix is a free GUI for HEVC and AV1 encoding, GIF/WebP/AVIF creation, and more!
dav1d - A read-only mirror of dav1d source code repository. The origin is at https://code.videolan.org/videolan/dav1d/
FFmpeg-Builds
FFMpegCore - A .NET FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your C# applications
ab-av1 - AV1 re-encoding using ffmpeg, svt-av1 & vmaf.
qencoder - Video encoder for free formats (av1, vp9, vp8). Easy and cross platform.
nmkoder - Media encoding, muxing, analysis toolkit for Windows