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ImageOptim avatar

ImageOptim/gifski

0
View on GitHub↗
5,542 stars·176 forks·Rust·5 vuesgif.ski↗

Gifski

Gifski est un moteur d'encodage GIF de haute qualité conçu pour convertir des fichiers vidéo et des séquences PNG en animations haute fidélité. Il se concentre sur le maintien de la qualité visuelle grâce à l'utilisation de palettes de couleurs avancées et de tramage (dithering).

Le moteur emploie une quantification de palette inter-images pour assurer la cohérence visuelle à travers les animations et utilise le tramage temporel pour simuler une profondeur de couleur plus élevée. Il intègre également une compression avec perte pour gérer la taille du fichier résultant.

Le projet est disponible en tant que bibliothèque C API pour l'intégration dans des applications logicielles natives et fournit une cible de compilation WebAssembly pour l'intégration dans les navigateurs web.

Features

  • Video-to-GIF Converters - Converts video frames and image sequences into high-fidelity GIF animations using advanced palettes and dithering.
  • C-Based Image Engines - Implements a high-performance encoding engine in C for efficient image processing and palette generation.
  • Temporal Dithering - Distributes quantization errors across sequential frames to create the illusion of higher color depth.
  • GIF Encoding Libraries - Offers a professional grade GIF encoding engine accessible via a C API for native software embedding.
  • Temporal Palette Quantization - Calculates a single optimal color palette across all frames to maintain visual consistency and minimize flickering.
  • Image Sequence Compilation - Creates animated GIF files from a series of individual PNG images exported from design software.
  • PNG Sequence Import - Generates animations from a directory of individual PNG images exported from animation software.
  • Animated Sequence Processing - Processes animation sequences frame-by-frame to generate high-fidelity GIF streams.
  • GIF File Size Optimizations - Reduces output file size by adjusting dimensions, quality levels, and utilizing lossy compression.
  • PNG Palette Compressors - Utilizes an internal pngquant engine to reduce image data size via palette compression before GIF conversion.
  • Wasm-Accelerated Media Processing - Integrates high-performance GIF encoding into web applications using WebAssembly for acceleration.
  • WebAssembly Compilation - Provides a WebAssembly compilation target to enable high-performance GIF encoding within web browsers.
  • Image Processing Utilities - High-quality GIF encoder based on libimagequant.
  • Image Processing - High-quality GIF encoder.

Historique des stars

Graphique de l'historique des stars pour imageoptim/gifskiGraphique de l'historique des stars pour imageoptim/gifski

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Questions fréquentes

Que fait imageoptim/gifski ?

Gifski est un moteur d'encodage GIF de haute qualité conçu pour convertir des fichiers vidéo et des séquences PNG en animations haute fidélité. Il se concentre sur le maintien de la qualité visuelle grâce à l'utilisation de palettes de couleurs avancées et de tramage (dithering).

Quelles sont les fonctionnalités principales de imageoptim/gifski ?

Les fonctionnalités principales de imageoptim/gifski sont : Video-to-GIF Converters, C-Based Image Engines, Temporal Dithering, GIF Encoding Libraries, Temporal Palette Quantization, Image Sequence Compilation, PNG Sequence Import, Animated Sequence Processing.

Quelles sont les alternatives open-source à imageoptim/gifski ?

Les alternatives open-source à imageoptim/gifski incluent : vvo/gifify — Gifify is a tool for converting video files into optimized animated GIFs. It functions as a video to GIF converter and… jnordberg/gif.js — gif.js is a JavaScript GIF encoder and client-side color quantizer that generates animated GIF files directly within… pistondevelopers/image — This project is an image processing library designed for manipulating pixel data, applying visual filters, and… python-pillow/pillow — Pillow is a Python image processing library and digital image manipulation toolkit used for opening, manipulating, and… kohler/gifsicle — Gifsicle is a command-line image processor and animation editor used for creating, editing, and optimizing GIF images.… lukechilds/gifgen — Simple high quality GIF encoding.

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