GPAC

GPAC is an open-source multimedia framework focused on modularity and

standards compliance. GPAC provides tools to process, inspect, package,

stream, playback and interact with media content. Such content can be any

combination of audio, video, subtitles, metadata, scalable graphics, encrypted

media, 2D/3D graphics and ECMAScript. GPAC is best-known for its wide

MP4/ISOBMFF capabilities and is popular among video enthusiasts, academic

researchers, standardization bodies, and professional broadcasters.