CVS change done by Corey Hickey Update of /cvsroot/mplayer/main/DOCS/man/en In directory mail:/var2/tmp/cvs-serv3424/DOCS/man/en Modified Files: mplayer.1 Log Message: support libavcodec's new sc_factor parameter Original idea from Michael; patch by me. Index: mplayer.1 =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/man/en/mplayer.1,v retrieving revision 1.1209 retrieving revision 1.1210 diff -u -r1.1209 -r1.1210 --- mplayer.1 21 Jan 2006 20:32:13 -0000 1.1209 +++ mplayer.1 22 Jan 2006 21:02:11 -0000 1.1210 @@ -6831,6 +6831,16 @@ 1000000000 means no scene changes are detected (default: 0). . .TP +.B sc_factor=<any positive integer> +Causes frames with higher quantizers to be more likely to trigger a +scene change detection and make libavcodec use an I-frame (default: 1). +1\-16 is a sane range. +Values between 2 and 6 may yield increasing PSNR (up to approximately +0.04 dB) and better placement of I-frames in high-motion scenes. +Higher values than 6 may give very slightly better PSNR (approximately +0.01 dB more than sc_factor=6), but noticably worse visual quality. +. +.TP .B vb_strategy=<0\-2> (pass one only) strategy to choose between I/\:P/\:B-frames: .PD 0