quvi is a commandline tool for parsing video download links. It supports YouTube and other similar video Web sites. libquvi is a library for parsing video download links with a C API. It is written in C and intended to be a cross-platform library.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Support for shortened URLs was added. The --no-shortened switch was added. QUVIOPT_NOSHORTENED was added to the library C API. YouTube format IDs were renamed. Support for YouTube 4096x3072 format was added. The theonion.lua and sevenload.lua scripts were fixed. The unescaped double quatation marks in JSON output issue was addressed.