- Rename decode_encoded_URI as unescape_URI as it really is what is done.

* More distintinctive debug messages on the selection of charset.

possible fix for Trac Ticket #621, whereby Hauppage WinTV capture cards (PVR-150, others ?) no longer works

- commit output of MIDL compilation otherwise changes don't make it into the build

* Force the UTF-8 encoding on mp4 text subtitles. (Note they can also be UTF-16, but that needs to be converted to UTF-8 in that case. refs #612

- Code factorization

(struct should be fully initialized)