Mack pointed this out as a better suggestion over Gspot in finding out what codec a media file uses. MediaInfo an open source utility that has a lot more than what GSpot has to offer.

Yup, I agree, this kicks GSpots to the curb! Thanks, Mack! This is why I love Web 2.0.

You can find download details for MediaInfo here.

For a full-list of features, read more.

What information can I get from MediaInfo?

* 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

What format (container) does MediaInfo support?

* Video: MKV, OGM, AVI, DivX, WMV, QuickTime, Real, MPEG-1, MPEG-2, MPEG-4, DVD (VOB)…
(Codecs: DivX, XviD, MSMPEG4, ASP, H.264, AVC…)
* Audio: OGG, MP3, WAV, RA, AC3, DTS, AAC, M4A, AU, AIFF…
* Subtitles: SRT, SSA, ASS, SAMI…

What can I do with it?

* Read many video and audio file formats
* Different methods of viewing information (text, sheet, tree, HTML…)
* You can customise these views
* Exporting information as text, CSV, HTML…
* Graphical Interface, or Command Line, or DLL
* Integration with MS-Windows shell (drag ‘n’ drop, and Context menu)
* Internationalisation: any language display on any version of your Operating System
* Localisation capability (but volunteers needed)