MediaInfo supplies technical and tag information about video or audio files (AVI/MPEG-4/MPEG-PS/MPEG-TS/Blu-ray/HD-DVD/MKV/MOV/MPEG1, 2, 4/M4A/M4V/MP3/AAC/RM/DV/...)
There are several versions: Graphical interface, Command line, or DLL for third-party software developers (like emule). GUI is multi-language. Windows, Linux and Mac OS X versions are available
This is a major release: AAC implicit SBR (HE-AAC) and PS (HE-AACv2) detection, LATM support, indication of HD and Core part for DTS, VC-3 (DNxHD) support, DPX format support, compression mode (lossy / lossless), and several bug fixes
MediaInfo Project homepage:
http://mediainfo.sourceforge.net/
You may download MediaInfo from:
http://mediainfo.sourceforge.net/Download