NotEnoughAV1Encodes-Qt
Av1an
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NotEnoughAV1Encodes-Qt | Av1an | |
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9 | 65 | |
31 | 1,338 | |
- | - | |
2.6 | 7.3 | |
over 2 years ago | 13 days ago | |
Python | Rust | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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NotEnoughAV1Encodes-Qt
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did I fail at preserving dvds? mpeg2 vs h264 vs av1
I like using NotEnoughAV1Encodes. There's also Av1an, and ab-av1.
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Compression question
I wish AV1 had more compatibility. Just playing around with NotEnoughAV1Encodes took a dumb 10-second clip with almost no movement from 24MB from my DSLR to 1.1MB after the AV1 encode. It's a bad example for a video, but I was just randomly trying AV1 with things and was impressed with the ratio.
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Virtual Nas on ESXI or Something
If I'm not in a hurry for something to process then I set it to run on that. For instance, when I was looking at the AV1 codec I had it grinding NotEnoughAV1Encodes for days at a time.
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Quality loss when you encode
If you want to mess with AV1, then there's AV1an that has a feature to target a VMAF. ab-av1 has their 'crf-search.' Although, most of the time I just use NotEnoughAV1Encodes with settings I like. Although, granted AV1 has less compatibility and it takes forever.
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transcoding to optimize occupied pace
For some things, I've been going even slower using AV1 with NotEnoughAV1Encodes. Although, there's less compatibility for AV1, so keep that in mind.
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H264 -preset and -crf benchmarking results ( and why use should always use VERYFAST)
NotEnoughAV1Encodes is great for AV1, I'm not savvy enough to get AV1 to grind all my CPU cores without it.
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Variable Bitrate Formats are Cool
Do you do any videos? I've been playing with the AV1 codec using 'NotEnoughAV1Encodes'
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JPG is awesome!
Do you mess around with video at all? I just found out about the AV1 codec. Been using NotEnoughAV1Encodes to use all my computer cores to compress video. Then comparing the quality difference with ffmpeg-quality-metrics using VMAF. 33-second test video with my phone went down from 23MB to 1.6MB with nearly no quality difference. It takes forever to encode though. May not be compatible with all devices/browsers/etc. Then there's ab-av1 to help find the best settings.
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How to convert VIDEO_TS to AV1 in Matroska container with embedded subtitles and all audio tracks?
this program is pretty boss, https://github.com/Alkl58/NotEnoughAV1Encodes-Qt
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
What are some alternatives?
ab-av1 - AV1 re-encoding using ffmpeg, svt-av1 & vmaf.
HandBrake - HandBrake's main development repository
NotEnoughAV1Encodes - GUI for AV1 (aomenc, rav1e & svt-av1)
SVT-AV1
Av1anStaxRipWrapper - Wrapper script to use Av1an with StaxRip
FastFlix - FastFlix is a free GUI for HEVC and AV1 encoding, GIF/WebP/AVIF creation, and more!
erk - Ərk is an open source, cross-platform IRC client written in Python 3, Qt 5, and Twisted.
FFmpeg-Builds
ffmpeg-quality-metrics - Calculate quality metrics with FFmpeg (SSIM, PSNR, VMAF, VIF)