Codec GitHub Repositories

The swiss army knife of lossless video/audio editing

A hands-on introduction to video technology: image, video, codec (av1, vp9, h265) and more (ffmpeg encoding). Translations: 🇺🇸 🇨🇳 🇯🇵 🇮🇹 🇰🇷 🇷🇺 🇧🇷 🇪🇸

FFmpeg libav tutorial - learn how media works from basic to transmuxing, transcoding and more. Translations: 🇺🇸 🇨🇳 🇰🇷 🇪🇸 🇻🇳 🇧🇷 🇷🇺

Wrangling Untrusted File Formats Safely

A lightweight, cross-platform remote desktop software with support for Web Client access | 一款支持 Web 客户端访问的轻量级跨平台远程桌面软件。

JPEG XL image format reference implementation

Simple Binary Encoding (SBE) - High Performance Message Codec

Modern audio compression for the internet.

Full-featured MP4 format, MPEG DASH, HLS, CMAF SDK and tools

vgmstream - A library for playback of various streamed audio formats used in video games.

Minimalistic MP3 decoder single header library

State-of-the-art audio codec with 90x compression factor. Supports 44.1kHz, 24kHz, and 16kHz mono/stereo audio.

Functional programming library for TypeScript - https://gigobyte.github.io/purify/

[ICLR 2025] SOTA discrete acoustic codec models with 40/75 tokens per second for audio language modeling

FFME: The Advanced WPF MediaElement (based on FFmpeg)

VVenC, the Fraunhofer Versatile Video Encoder

CBOR codec (RFC 8949, RFC 8742) with CBOR tags, Go struct tag options (toarray, keyasint, omitempty, omitzero), float64/32/16, big.Int, and fuzz tested.

a netty like asynchronous network I/O library based on tcp/udp/websocket; a bidirectional RPC framework based on JSON/Protobuf; a microservice framework based on zookeeper/etcd

🇬🩹🛠 Patches for Garry's Mod. Updates/Improves CEF and Fixes common launch/performance issues (esp. on Linux/Proton/macOS). Formerly GModCEFCodecFix.

Simple, modern libpng alternative

CicadaPlayer is the player core of AliPlayer, which supports multiple platforms Android, iOS, macOS, Windows, Linux, and WebAssembly for now. The goal is to provide a player core which supports multi-platform, hardware accelerator, and customizable and extensible features. Which supports WideVine drm, LL-HLS, MPEG-DASH and HDR playback.

Go implementation of the MediaDevices API.

手写自己的RPC框架/Handwritten RPC framework

Minimalistic H264/SVC encoder single header library

Reference implementation of the Ogg Vorbis audio format.

VVdeC, the Fraunhofer Versatile Video Decoder

Speex voice codec mirror - THIS IS A MIRROR, DEVELOPMENT HAPPENS AT https://gitlab.xiph.org/xiph/speex

An Open-Source Project to Unify Audio Processing and Generation

An FFmpeg and SDL Tutorial.

Build a simple video encoder from scratch