libjpeg-turbo

Main libjpeg-turbo repository (by libjpeg-turbo)

Libjpeg-turbo Alternatives

Similar projects and alternatives to libjpeg-turbo

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better libjpeg-turbo alternative or higher similarity.

libjpeg-turbo reviews and mentions

Posts with mentions or reviews of libjpeg-turbo. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-03.
  • Jpegli: A New JPEG Coding Library
    9 projects | news.ycombinator.com | 3 Apr 2024
    > all decoders will render the same pixels

    Not true. Even just within libjpeg, there are three different IDCT implementations (jidctflt.c, jidctfst.c, jidctint.c) and they produce different pixels (it's a classic speed vs quality trade-off). It's spec-compliant to choose any of those.

    A few years ago, in libjpeg-turbo, they changed the smoothing kernel used for decoding (incomplete) progressive JPEGs, from a 3x3 window to 5x5. This meant the decoder produced different pixels, but again, that's still valid:

    https://github.com/libjpeg-turbo/libjpeg-turbo/commit/6d91e9...

  • My personal C coding style as of late 2023
    1 project | news.ycombinator.com | 8 Oct 2023
    Last vestiges of this fact AFAIK were libjpeg, which had a macro NEED_SHORT_EXTERNAL_NAMES that shortens all public identifiers to have unique 6-letter-long prefixes. Libjpeg-turbo nowadays has removed them though [1].

    [1] https://github.com/libjpeg-turbo/libjpeg-turbo/commit/52ded8...

  • Libjpeg-Turbo 3.0.0
    1 project | news.ycombinator.com | 4 Jul 2023
  • Why there may never be a libjpeg-turbo 3.1
    4 projects | news.ycombinator.com | 4 Jul 2023
    While I think the move to safer code through Rust and other alternatives is a nice breath of fresh air, I doubt you can get these kinds of optimization without using unsafe code in Rust. These optimized implementations often require some kind of safety-bypassing memory modifications to work as efficiently ad they do.

    There's a reason https://github.com/libjpeg-turbo/libjpeg-turbo/tree/main/sim... is filled with assembly files with conditional loading.

  • Learn x86-64 assembly by writing a GUI from scratch
    11 projects | news.ycombinator.com | 1 Jun 2023
    Sure. You'll see it very often in codec implementations. From rav1e, a fast AV1 encoder mostly written in Rust: https://github.com/xiph/rav1e/tree/master/src/x86

    Large portions of the algorithm have been translated into assembly for ARM and x86. Shaving even a couple percent off something like motion compensation search will add up to meaningful gains.

    Or the current reference implementation of JPEG: https://github.com/libjpeg-turbo/libjpeg-turbo/tree/main/sim...

  • Announcing zune-jpeg: Rust's fastest JPEG decoder
    7 projects | /r/rust | 1 Mar 2023
    zune-jpeg is 1.5x to 2x faster than jpeg-decoder and is on par with libjpeg-turbo.
  • JDK 21 - Image Performance Improvements
    3 projects | /r/java | 13 Feb 2023
    This is interesting from the standpoint of how new JVM features can be used to improve performance (what I presume the article's main purpose to have been), but the image processing improvement itself isn't head-turning. Also, we've found that libjpeg-turbo (https://libjpeg-turbo.org/) is ~5x (IIRC, can re-run my JMH benchmark if anyone wants me to) as fast for decoding JPEGs as ImageIO, so we wouldn't even benefit from this change in 21 much.
  • Convenient CPU feature detection and dispatch in the Magnum Engine
    9 projects | /r/cpp | 2 Aug 2022
    libjpeg-turbo: https://github.com/libjpeg-turbo/libjpeg-turbo/blob/main/simd/x86_64/jsimdcpu.asm
  • Implementing SVE2 for Open Source Project
    1 project | dev.to | 28 Mar 2022
    libjpeg-turbo
  • How to go about implementing file encoding [Question]
    1 project | /r/cpp | 3 Oct 2021
    For all but the simplest formats (basically BMP), the difficulty of implementing encoding/decoding from scratch is significant - well beyond a beginner's ability, and challenging/time-consuming even for senior developers. So, libraries are used in practice - e.g. libpng and libjpeg-turbo.
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    www.influxdata.com | 25 Apr 2024
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