ab-av1
sled
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| ab-av1 | sled | |
|---|---|---|
| 19 | 37 | |
| 342 | 7,758 | |
| - | - | |
| 7.3 | 1.8 | |
| 25 days ago | 15 days ago | |
| Rust | Rust | |
| MIT License | Apache License 2.0 |
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ab-av1
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AV1 is very fast and versatile but…
Calculate vmaf before you encode the whole file. -> https://github.com/alexheretic/ab-av1 has a search mode with samples, the estimation of time and filesize is very good and does everything in one step
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AV1 tool to auto compress old video files for archive
ab-av1 auto-encode with a VMAF quality target of 97-98 + a script for the deletion of files sounds like what you need.
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Automatic choose encode settings?
ab-av1
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RFC: redb (embedded key-value store) nearing version 1.0
My case is ab-av1, a cli for encoding videos. The local db stores cached vmaf analysis.
- I'm just running videos through libsvtav1 on ffmpeg with -crf 35. Any tips to improve this command?
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A little script to parse large libraries to AV1, if you're interested
If the goal is space saving and a consistent visual quality rather than just having a library as AV1 for its own sake, I'd use ab-av1. Not sure how (or if) it'll handle the Opus audio channels cases, but bugs can be filed.
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Feels like re-encoding video gets harder and harder to improve (and use!) when new ones come along.
Try this https://github.com/alexheretic/ab-av1
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Looking for some good AV1 testing and comparison results.
Use this tool and you will get excellent results https://github.com/alexheretic/ab-av1 calculates and converts automatically calculates the vmaf and crf properly
- automatically optimize (re)encoding quality
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CRF 15 x265 advanced options
Check this, might help you optimize the process.
sled
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SableDb – a key/value store that uses RocksDB and Redis API (written in Rust)
a few times, seems interesting. The author's also built a lot of other cool concurrency primitives for Rust as well.
[0] https://github.com/spacejam/sled
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Is Something Bugging You?
- Dropbox [3] uses a similar approach but they talk about it a bit more abstractly.
Sans-IO is more documented in Python [4], but str0m [5] and quinn-proto [6] are the best examples in Rust I’m aware of. Note that sans-IO is orthogonal to deterministic test frameworks, but it composes well with them.
With the disclaimer that my opinions are mine and mine alone, and don’t reflect the company I work at —— I do work at a rust shop that has utilized these techniques on some projects.
TigerBeetle is an amazing example and I’ve looked at it before! They are really the best example of this approach outside of FoundationDB I think.
[0]: https://risingwave.com/blog/deterministic-simulation-a-new-e...
[1]: https://risingwave.com/blog/applying-deterministic-simulatio...
[2]: https://dropbox.tech/infrastructure/-testing-our-new-sync-en...
[3]: https://github.com/spacejam/sled
[4]: https://fractalideas.com/blog/sans-io-when-rubber-meets-road...
[5]: https://github.com/algesten/str0m
[6]: https://docs.rs/quinn-proto/0.10.6/quinn_proto/struct.Connec...
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RFC: redb (embedded key-value store) nearing version 1.0
Sled uses bw-tree actually https://github.com/spacejam/sled/wiki/sled-architectural-outlook
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Production grade databases in Rust
There is a valid argument to be made for threads over async in a large percentage of use cases where async is considered the default. If this is what you are referring to however, I don't think they ever referred to async as completely useless: https://github.com/spacejam/sled/issues/1123.
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Best local database that works on all platforms including web?
Have you looked into other pure-Rust databases as well, such as sled or GlueSQL which has an SQL interface on top of sled? I wonder how those would compare to Persy.
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Are there any embedded databases that have multiple-process support?
I'm not sure what you need. Are these of any use? https://github.com/meilisearch/heed https://github.com/spacejam/sled
- Some key-value storage engines in Rust
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Are there a demand for management system of embedded storage like RocksDB? I plan to build one in Rust as the language becoming a core of many popular databases but wonder if there’s a demand. Can’t find any similar project even in other languages.
There is also Sled but as I understand it that is being reworked to use the author's new DB core Marble
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GreptimeDB: a new open source database designed for large-scale time-series data storage and processing, written in rust
There are some databases like sled/FlashDB designed to be embedded to other applications even bare metal microcontrollers. But I do doubt the potential bussiness value of a pure embedded database.
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Ask HN: Serverless” key value store with transactions?
https://github.com/spacejam/sled
To add transaction support, you probably need a good understanding of how the memtable works in Log Structured Merge trees:
What are some alternatives?
Av1an - Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding
RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.
SVT-AV1
rust-rocksdb - rust wrapper for rocksdb
NotEnoughAV1Encodes-Qt - Linux GUI for AV1 Encoders
redis-rs - Redis library for rust
ffmpeg-quality-metrics - Calculate quality metrics with FFmpeg (SSIM, PSNR, VMAF, VIF)
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
SVT-AV1 - Welcome to the GitHub repo for the SVT-AV1! This repo is set to read-only for archiving purposes. Please join us at https://gitlab.com/AOMediaCodec/SVT-AV1. We look forward to seeing you there
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
redb - An embedded key-value database in pure Rust
heed - A fully typed LMDB wrapper with minimum overhead 🐦