[MPlayer-dev-eng] Font hinting in libass

[Artur Zaprzala]

When I implemented TrueType support for MPlayer (subfont-c) a few
years ago, I observed better results without hinting, so i left it
disabled. The reason is that the glyphs when rendered are fitted
(hinted) into video resolution and then scaled to screen resolution. I
don't know how hinting would survive sinc interpolation, but scaling
by video overlay makes it ugly.