Mediainfo is a library used for retrieving technical information and other metadata about audio or video files.

a non-exhaustive list of the information mediainfo can retrieve from media files include:
- general: title, author, director, album, track number, date, duration...
- video: codec, aspect, fps, bitrate...
- audio: codec, sample rate, channels, language, bitrate...
- text: language of subtitle
- chapters: number of chapters, list of chapters
mediainfo supports the following formats:
- video: mkv, ogm, avi, divx, wmv, quicktime, real, mpeg-1, mpeg-2,
mpeg-4, dvd (vob)...
- video codecs: divx, xvid, msmpeg4, asp, h.264, avc...)
- audio: ogg, mp3, wav, ra, ac3, dts, aac, m4a, au, aiff...
- subtitles: srt, ssa, ass, sami...
this package contains the headers and other development support files needed for compiling and linking applications and libraries which use this library.