BDInfo

(source origin: http://www.cinemasquid.com/blu-ray/tools/bdinfo)

The BDInfo tool was designed to collect video and audio technical specifications from Blu-ray movie discs, including:

• Disc Size
• Playlist File Contents
• Stream Codec and Bitrate Details

The BDInfo source code is licensed under the LGPL 2.1.

Known Issues

Occasionally inaccurate bit-depth measurement on Dolby TrueHD and DTS-HD Master audio streams.
BDInfo will NOT function correctly with copy-protected discs. You will also need to have SlySoft AnyDVD HD (or equivalent) running in the background in order to gather info from commercial Blu-ray movie discs.