MediaInfo supplies technical and tag information about a video or audio file. This is free software (free of charge and free to access source code: GPL or LGPL licence)

Changelog:
+ About the library : Java/Linux binding is available
+ DV (raw) files support
+ Better support of DV in AVI container (type 1 and 2)
+ AVC: Handling of SEI which is before a SPS
+ AVC in AVI: reading more info (Profile, Cabac...) from streams created by FFMpeg
+ Vorbis in AVI: reading more info (Max bitrate, tags...) from streams created by FFMpeg
+ Detection of VC-1 in MPEG-TS from MainConcept encoder
+ MediaInfoLib is now thread-safe
x #1943743, AVI with MPEG-Audio VBR and delay: delay was incorrect
x Pixel Aspect Ratio was sometimes inverted (1/x)
x XviD CodecID was redirected on Koepi website, no more available, changed to official XviD webpage
x #1946098, DV in AVI: DV aspect ratio errors

Program Information Category: Multimedia Type: Free Version: 0.7.6.4 Size: 1.39MB Works on: Windows Product page: here