mp4ff
A Go library and toolkit for parsing, creating, and manipulating MP4 files, with a focus on fragmented formats used for streaming.
What is mp4ff?
mp4ff is a Go library and toolkit for parsing, creating, and manipulating MP4 media files. It focuses on fragmented MP4 formats used for streaming in protocols like MPEG-DASH, HLS fMP4, and MSS, while also supporting progressive MP4 files. The library handles video (AVC, HEVC, AV1, VVC), audio (AAC, AC-3, Opus), subtitles, and timed metadata tracks.
Developers and engineers working on video streaming pipelines, media processing tools, or applications that need to generate, parse, or manipulate MP4 files, especially for adaptive bitrate streaming.
mp4ff provides a comprehensive, performance-optimized, and streaming-focused MP4 implementation in Go, with extensive codec support, command-line utilities, and both high-level and low-level APIs for flexibility.
Overview
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.
Use Cases
Best For
- Parsing and analyzing fragmented MP4 files used in streaming
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