FFMetrics
Visualizes Video Quality Metrics (PSNR, SSIM & VMAF) calculated by ffmpeg.exe (by fifonik)
vmaf
Perceptual video quality assessment based on multi-method fusion. (by Netflix)
| FFMetrics | vmaf | |
|---|---|---|
| 17 | 41 | |
| 478 | 4,217 | |
| - | 1.2% | |
| 4.4 | 8.8 | |
| 2 months ago | 6 days ago | |
| Python | ||
| - | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
FFMetrics
Posts with mentions or reviews of FFMetrics.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-06-10.
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How do you guys visually compare clips?
FFMetrics.
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How much film grain synthesis is too much?
You mean this? But he seems to be using a 4.x version of FFmpeg. That's ancient history at this point, since 4.0 was released in 2018, and 5.0 and 6.0 have been released since. And the dav1d in his FFmpeg build is 2+ years old as well, which means it's even pre-1.0. No wonder basic shit doesn't work.
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If I were to use Infuse to access a Jellyfin server on my ios devices, can it do a transcoded or optimized download (similar to Plex’s sync feature) so I can watch offline?
You could then use applications such as HandBrake (encoding) and FFmetrics (VMAF), or better ShutterEncoder (supports both encoding and VMAF) to first encode a few test clips and then calculate the VMAF score. Anything above 95% will be visually lossless in motion. 93% is lossless to many people too (not to me though) and 90% is about the quality you get on YouTube - so absolutely terrible. If you ever want to generate an FFmpeg encoding command, FastFlix is also nice.
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A way to check quality of videos
https://github.com/fifonik/FFMetrics is a good place to start.
- Need some PRO help (AV1 vs x264 questions+how to calculate transparent constant quality)
- PERFORMANCE RESULTS: ENCODING 2160p HEVC to 2160p AV1 on 7900 XTX
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R9 3900X struggles to play 4K 10bit AV1
Someone tried your suggestions and apparently, at least with the current FFmpeg versions, the flag doesn't affect VMAF (see here). I can only conclude VMAF does already return the highest values possible with AV1 as is, though what you said made a lot of sense so am unsure where exactly something changed from you gaining your knowledge to the current state of VMAF in FFmpeg (I'm a little puzzled).
- Why preset 8 and 13 are better than the other using svt-av1 with crf 5 ?
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[Epos Vox] Intel AV1 vs X264 vs NVENC/AMF/QSV hardware encoder comparison
https://github.com/fifonik/FFMetrics is a gui to compare your own outputs if you're too lazy to learn the cli for a bunch of different programs.
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CRF value for efficient 4k encoding?
I recommend you do some tests I'd your own with FFMetrics.
vmaf
Posts with mentions or reviews of vmaf.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-02-19.
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Extreme Video Compression
Netflix did VMAF for this: https://github.com/Netflix/vmaf
It checks a reference video against an encoded video and returns a score representing how close the encoded video appears to the original from a human perspective.
- Netflix/VMAF – Release v3.0.0
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Linux GUI/Frontend for VMAF
Not sure this is the right sub but I'm going to encode my entire BluRay collection in AV1 / NVEC. I'd like to optimize settings with VMAF but would like an ubuntu/debian based GUI to work with.
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Does anybody run libvmaf on your output as a validation check?
VMAF for anybody that doesn't know quantifies the quality difference between a source and modified video.
- How do you guys visually compare clips?
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reduce video filesize
Netflix even has a method to measure perceivable quality difference. A little while ago I used this tool to calculate this.
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How did my silly little After Effects filter reduce the file to 10% its size? The footage wasn't raw or 10-bit or anything, and I rendered it out at basically the same resolution (cropping aside). How did I do this????
Well you can use something like https://mediaarea.net/en/MediaInfo to look at the files and https://github.com/Netflix/vmaf to see if there is no loss.
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[HUB] Reddit Users Expose Steve: DLSS vs. FSR Performance, GeForce RTX 4070 Ti vs. Radeon RX 7900 XT
Vmaf exists
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4:2:0 10-bit HEVC vs 4:2:2 10-bit AVC codecs higher quality? (S5II, GH6)
You can try some tests https://github.com/Netflix/vmaf
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Unusually good compression ratio - Sanity Check
You can try VMAF as well (which ffmpeg supports). It's normally recommended to make a lossless copy first as a baseline too
What are some alternatives?
When comparing FFMetrics and vmaf you can also consider the following projects:
video-quality-metrics - Test specified presets/CRF values for the x264 or x265 encoder. Compares VMAF/SSIM/PSNR numerically & via graphs.
Av1an - Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding
videobench - VMAF PSNR Bitrate Analyzer
staxrip - 🎞 Video encoding GUI for Windows.
nmkoder - Media encoding, muxing, analysis toolkit for Windows
FFmpeg-Builds
video-compare - Split screen video comparison tool using FFmpeg and SDL2
FFmpeg-Builds - FFmpeg Builds for yt-dlp
QSVEnc - QSVによる高速エンコードの性能実験
ffmpeg-debug-qp - FFmpeg Debug Script for QP Values
SVT-AV1
ssimulacra2 - SSIMULACRA 2. Perceptual metric.