Krzysztof Duchnowski wrote: > andrew at WARnux.com: >> I've been using x264 to encode videos now for months. Encoding a full >> length movie used to take about 11 hrs and the quality was splendid. I >> built the latest mplayer/mencoder and x264 a few days ago and now my >> encodes only take about 4 hours but the quality is degraded. What >> really confuses me is that I didn't change my command line parameters >> at all. >> >> How is this possible? > > Did you used CRF mode? > If yes then for month now (or two) CRF mode not reflect QP anymore but > instead it is a "Quality factor" and thus considerable good quality > you could achieve is with CRF in 18-21 range. > Yes, CRF mode. Was this a change in x264 or a change in mencoder? Anyone know what r number?
