OK, I send you a patch today, but the main question is:
Does hotkey (& context menu) must switch on/off filter (and modify values in this filter) ?
There is a break in your layer design ! (but it seems to be yet here for "deinterlace" filter ...)
Look the size of the vlc.exe ...most *.dll files haven't been renamed by change 'cyg' prefix by 'lib' in .libs directory, then the vlc.exe is corrupted ...
Sorry for the late answer ...I had not used opengl transforms before, took me a while to find it.
I did not find any sphere,cylinder etc options only cube or transparent cube.
Am I looking in the wrong place?