cmaf

Pure-Go Matroska, WebM and MP4 toolkit with lossless remuxing and CMAF HLS/DASH packaging. No FFmpeg, no CGO, zero dependencies.

Official repository of NicoCache_nl - local proxy software for caching video of niconico.

Probe, encode, package and stream media in Laravel with ffmpeg, ab-av1 and Shaka Packager.

This project implements a simple server that receives live media from a broadcaster using the DASH-IF Live Media Ingest Protocol, stores them in a filesystem and then publishes them using MPEG DASH.

Pure-Go live HLS packager for audio: PCM in, fragmented-MP4 (CMAF) segments and an m3u8 playlist out. No cgo, no FFmpeg.

Validator for MSF/CMSF catalog files

Check what your HLS/DASH segments actually contain — not just what the manifest claims. Undeclared gaps, mislabelled ladder rungs, duration drift, ABR misalignment. One static Go binary, zero dependencies, no ffmpeg.

Pure-Swift Common Media Application Format (CMAF) + ISO BMFF foundation. Read, write, validate fragmented MP4 / CMAF media across macOS, iOS, iPadOS, tvOS, watchOS, visionOS, and Linux. Opt-in CMAFKitDRM library for typed pssh decoding of 9 DRM systems. Zero C vendoring, Swift 6.2 strict concurrency.

Pure-Go AC-3 and E-AC-3 decoder for Go and WebAssembly. Decode to PCM in-process, including browser playback. No CGO, zero dependencies.

video downloading, transcoding, segmenting, and manifest generation pipeline

Go library and tools for CTA-608 (CEA-608) closed captions: live test-caption generation, encode/decode, carriage in AVC/HEVC SEI and AV1 OBUs, and SCC/WebVTT/SRT conversion

Eyevinn Technology — independent third-party profile of a public API surface, by API Evangelist. Eyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company specializing in cloud-native video infrastructure, HLS and MPEG-DASH packaging, FAST channels, WebRTC ingest (WHIP/WHEP), server-side ad insertion (SSAI)

Go-based FAST TV playout core — VOD-to-Live, SSAI, HLS/CMAF streaming, and EPG generation.

nagare media ingest implements various HTTP based media ingest protocols

On-demand HLS / CMAF origin for VOD MP4 archives — segments assembled per request, never written to disk.

轻量高性能的流媒体汇聚网关，把自建的 HLS 与 DASH 频道统一成带鉴权的 M3U 与随取随用的 HLS。A lightweight, high performance gateway that unifies self-hosted HLS and DASH channels into one authenticated M3U playlist and HLS on demand.

Low Overhead CMAF reference implementation, conformance test vectors, golden files, and worked examples.

Media server for those who want to sparkle✨

Production-grade video streaming bootcamp covering encoding, CMAF packaging, HLS/DASH, and OTT foundations.