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Pure Go encoder/decoder of the QOI image format

QOI - The “Quite OK Image” format for fast, lossless image compression package and small utilities in pure Go, quite OK implementation See qoi.h for t
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Category: Golang / Images
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Last update: Nov 28, 2021
Resource links
https://github.com/xfmoulet/qoi

QOI - The “Quite OK Image” format for fast, lossless image compression

package and small utilities in pure Go, quite OK implementation

See qoi.h for the documentation.

More info at https://phoboslab.org/log/2021/11/qoi-fast-lossless-image-compression

Performance

Performance is currently around half C version (optimized at -O3)

$ ./qoibench ../../../images/wallpaper/
Encoding: QOI  184ms - PNG 1382ms - Decoding: QOI   62ms PNG  178ms - 1492858.png
Encoding: QOI  180ms - PNG 1389ms - Decoding: QOI   51ms PNG  156ms - 1492868.png
Encoding: QOI  152ms - PNG  863ms - Decoding: QOI   30ms PNG   84ms - 1492869.png
Encoding: QOI  204ms - PNG 1147ms - Decoding: QOI   71ms PNG  176ms - 1492893.png
Encoding: QOI  316ms - PNG 2697ms - Decoding: QOI  103ms PNG  274ms - EwZDbLoWQAEskRq.png
Encoding: QOI  194ms - PNG 1524ms - Decoding: QOI   62ms PNG  156ms - Hy23XKX.png
Encoding: QOI   43ms - PNG  301ms - Decoding: QOI   15ms PNG   34ms - Screenshot_2021-11-16_13-57-47.png
Encoding: QOI  180ms - PNG 1078ms - Decoding: QOI   45ms PNG  134ms - car.png

$ ./qoibench ../../../images/kodak/
Encoding: QOI   19ms - PNG   69ms - Decoding: QOI    6ms PNG   17ms - kodim01.png
Encoding: QOI   15ms - PNG   96ms - Decoding: QOI    5ms PNG   14ms - kodim02.png
Encoding: QOI   15ms - PNG  143ms - Decoding: QOI    5ms PNG   13ms - kodim03.png
Encoding: QOI   16ms - PNG   87ms - Decoding: QOI    5ms PNG   15ms - kodim04.png
Encoding: QOI   17ms - PNG   68ms - Decoding: QOI    6ms PNG   15ms - kodim05.png
Encoding: QOI   15ms - PNG   87ms - Decoding: QOI    7ms PNG   13ms - kodim06.png
Encoding: QOI   21ms - PNG  111ms - Decoding: QOI    5ms PNG   16ms - kodim07.png
Encoding: QOI   18ms - PNG   67ms - Decoding: QOI    6ms PNG   19ms - kodim08.png
Encoding: QOI   16ms - PNG  100ms - Decoding: QOI    6ms PNG   19ms - kodim09.png
Encoding: QOI   16ms - PNG   93ms - Decoding: QOI    5ms PNG   15ms - kodim10.png
Encoding: QOI   16ms - PNG   93ms - Decoding: QOI    6ms PNG   16ms - kodim11.png
Encoding: QOI   16ms - PNG  110ms - Decoding: QOI    5ms PNG   15ms - kodim12.png

Example Usage

  • cmd/qoiconv converts between png <> qoi
  • cmd/qoibench bench the en/decoding vs. golang png implementation
0 Open More issues
Closed

fix fmt.Println invocations

fmt.Println() adds spaces between args, and doesn't support format strings

opened Dec 21, 2021 by ccmtaylor 1
Closed

update to definitive spec (once finalized)

When QOI spec is final, update this implementation

opened Dec 9, 2021 by xfmoulet 1
Closed

Support the updated spec

The final QOI spec made all fields big endian, changed the header fields and the biases for QOI_DIFF.

More details here: https://github.com/phoboslab/qoi/issues/37

opened Nov 29, 2021 by phoboslab 1
Closed

use nrgba instead of rgba image

null

opened Nov 27, 2021 by makapuf 1
Closed

qoibench: recurse into subdirectories

this makes it a little easier to run the benchmark on the test dataset from the upstream QOI spec website

opened Dec 21, 2021 by ccmtaylor 0
Closed

Is not go gettable

Command

$ go get -u gitlab.com/xfmoulet/qoi

output

go get: module gitlab.com/xfmoulet/qoi: git ls-remote -q origin in /home/kostyarin/go/pkg/mod/cache/vcs/6f87523885550065fc033577b8b4afdc502a23a8402896ee1ded7c79005d5552: exit status 128:
	fatal: could not read Username for 'https://gitlab.com': terminal prompts disabled
Confirm the import path was entered correctly.
If this is a private repository, see https://golang.org/doc/faq#git_https for additional information.

Because of

module gitlab.com/xfmoulet/qoi

go 1.17

in the go.mod.

opened Dec 12, 2021 by logrusorgru 0

Contents

    ChevyRay A Rust encoder/decoder for Dominic Szablewski's QOI format for fast, lossless image compression.
    AngusJohnson Delphi TGraphic support for QOI images
    neguse goi - The “Quite OK Image” format encoder / decoder for Go.
    zakarumych Fast implementation of QOI format in Rust
    floooh QOI image viewer on top of the Sokol headers
    Flight-School A Swift encoder and decoder for the JSON Feed format
    MasterQ32 Quite OK Image format encoder/decoder written in Zig
    NUlliiON QoiSharp is an implementation of the QOI https://github.com/phoboslab/qoi
    dbuenzli QOI image codec for OCaml (unreleased)
    phoboslab The “Quite OK Image” format for fast, lossless image compression
    ludocode MPack - A C encoder/decoder for the MessagePack serialization format / msgpack.org[C]
    dada-bots Encoder/decoder converts GuitarPro songs to/from a token-sequence format for generative language models like GPT2, TransformerXL, etc.
    postmates Pure Swift JSON encoding/decoding library
    Flight-School A MessagePack encoder and decoder for Codable types
    luopeixiang Pytorch implemention of Deep CNN Encoder + LSTM Decoder with Attention for Image to Latex
    photopea Fast and advanced PNG (APNG) decoder and encoder (lossy / lossless)
    Flight-School A template for creating your own Swift Codable encoders and decoders
    image-rs y4m - YUV4MPEG2 (.y4m) Encoder/Decoder
    google A general-purpose encoder-decoder framework for Tensorflow
    google A new lossy/lossless image format for photos and the internet
    tonywu95 Evaluation code with models for the paper "On the Quantitative Analysis of Decoder-Based Generative Models"
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