Library and tools for working with MP4 files containing video, audio, subtitles, or metadata. The focus is on fragmented files. Includes mp4ff-info, mp4ff-encrypt, mp4ff-decrypt and other tools.

MP4 reader + writer library in Rust! 🎥🦀

Official repository of the ISO Base Media File Format Reference Software

🎥 A technical intro the MP4 container byte structure.

A common library for media playback in JavaScript

Extract elementary stream from all kinds of media files, show inside media meta information and reconstruct Transport-Stream, ISOBMFF, Matroska and MMT media files

MP4 file analyser for converting ISO-bmff atoms into json, or display them on the command line or a GTK based window

DASH Live Source Simulator v2 in Go

A Web-based MP4 File Inspector. Powered by Rust, Vue and Web Assembly! 🦀

Browser focused library that wraps audio for playback with the Media Source Extensions API using ISO Base Media File Format (MPEG-4 Part 12) and WEBM.

Simple lightweight mp4/m4v/mov reader/writer. Supports H264/H265/H266/AV1 for video and AAC/Opus for audio and HEIC/HEIF/AVIF for images.

MPEG File Format Conformance Framework

An ISOBMFF web parser/visualizer

A library to manipulate avif containers. It's for neither decoding nor encoding.

module for reading and writing MP4

The isobmff is a python library for reading/writing ISO base media file format.

The package provides a library for reading ISO Base Media File Format (BMFF) files.

A minimal, dependency-light MP4/ISOBMFF parser for Rust.

ISO/IEC 14496-34 Syntactic Description Language (MPEG SDL) web based editor.

99% Vibe-coded by ChatGPT Codex & Claude Code from iPhone