ffmpeg-quality-metrics
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ffmpeg-quality-metrics | TikTokBot | |
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17 | 1 | |
367 | 341 | |
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5.0 | 0.0 | |
about 2 months ago | over 1 year ago | |
Python | Python | |
- | GNU General Public License v3.0 or later |
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ffmpeg-quality-metrics
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VMAF is confusing me
Have you seen ffmpeg-quality-metrics? I went with the docker option. I figured that would keep it simple with ffmpeg versions/whatever.
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VMAF
I'm not good at computers, so I love ffmpeg-quality-metrics. I use the docker version because I didn't want to fight with dependencies.
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Encoding tv shows and movies
There are even tools that can compare the quality for us, like ffmpeg-quality-metrics can give a VMAF score as used by Netflix for the visual quality difference.
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Should I recompress video I shot with mobile?
You can at least test the quality difference between two encodes with something like ffmpeg-quality-metrics. If it has a high VMAF score and saved a bunch of space for something that doesn't need to be perfect, then I consider it fine.
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did I fail at preserving dvds? mpeg2 vs h264 vs av1
ffmpeg-quality-metrics is nice for comparing quality between copies. Better than squinting at pixels IMO.
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Movie or scene to test out different bitrates and resolutions
If you're re-encoding video then ffmpeg-quality-metrics is a great tool IMO. Can give you a scale from 0-100 of how similar it appears based on SSIM or VMAF. If I get a VMAF in the high 90's, like 95+, then I know the encode is decent and if it saved significant space (if that's the goal?) then it's a keeper.
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av1an crashing when using vmaf on Windows 10
It's working. I found this [model](https://github.com/slhck/ffmpeg-quality-metrics/blob/master/ffmpeg_quality_metrics/vmaf_models/vmaf_v0.6.1neg.json) with the help of u/Felixkruemel and I specified the vmaf path in av1an using `--vmaf-path=path to the/vmaf/model.json"`
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How to examine video quality?
Then, after the encode, if you want to compare original vs encoded quality there's ffmpeg-quality-metrics which makes it easy to get VMAF & SSIM scores between the two.
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If FLAC for audio = Remux for video, what's the video equivalent for 320kbps MP3 when it comes to 1080p Movies/TV shows?
ffmpeg-quality-metrics is a good tool to compare before & after encodes. It can easily calculate VMAF & SSIM scores. If I understand it correctly (I might not), then anything in the high 90s for VMAF is considered hard-pressed to be able to tell. Sometimes it hits 100, which makes me fairly confident about those encodes.
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High Bitrate
idk. When I did a re-encode with CRF 23 and preset 'veryslow' it went down to 2,236 kb/s. When I do a VMAF and SSIM test with ffmpeg-quality-metrics I was getting decent scores. It takes the file size down to 2.1GB. So my guess is they either set a significantly lower CRF or set a manual bitrate and aimed for the moon.
TikTokBot
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What are some alternatives?
Av1an - Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding
TikTok-Api - The Unofficial TikTok API Wrapper In Python
vmaf - Perceptual video quality assessment based on multi-method fusion.
TikTok-Bot - A bot that generates followers, likes, views, shares and comment likes
video-to-ascii - It is a simple python package to play videos in the terminal using characters as pixels
TikTokLive - Python library to receive live stream events (comments, gifts, etc.) in realtime from TikTok LIVE.
ab-av1 - AV1 re-encoding using ffmpeg, svt-av1 & vmaf.
Instagram-Bot - This is a commissioned instagram bot that will auto assign instagram account proxies and execute a job list to follow, like, or comment on a post.
NotEnoughAV1Encodes-Qt - Linux GUI for AV1 Encoders
tiktok-api - Unofficial API wrapper for TikTok
lossless-cut - The swiss army knife of lossless video/audio editing
pycraigslist - Craigslist API wrapper