1) document vb_qoffset instead of two times vb_qfactor 2) document "gray" and "mpeg_quant" 3) add 1 space to line-up with other options Feel free to fix any badly-said, spelling or grammar errors, I'm not a native english speaker. Here's the patch : Index: mplayer.1 =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/mplayer.1,v retrieving revision 1.206 diff -u -u -r1.206 mplayer.1 --- mplayer.1 13 Aug 2002 21:48:14 -0000 1.206 +++ mplayer.1 15 Aug 2002 16:34:16 -0000 @@ -1169,7 +1169,7 @@ and the smallest will be used. default = HQ disabled - vme=<0\-5> motion estimation method: + vme=<0\-5> motion estimation method: 0 no ME at all 1 ME_FULL 2 ME_LOG @@ -1222,6 +1222,14 @@ or second pass of 2-pass mode. default = 0 (1-pass mode) + gray encode in grayscale mode. + default = disabled + + mpeg_quant use MPEG quantizers instead + of H.263. + defaults = disabled + (ie use H.263 quantizers) + The next 3 options apply only to I & P frames: vqmin=<1\-31> minimum quantizer @@ -1259,11 +1267,14 @@ higher quantizer for B frames) default = 2.0 - vb_qfactor=<value> - quantizer factor between b + vb_qoffset=<value> + quantizer offset between B and I/P frames (larger means higher quantizer for B frames) - default = 2.0 + default = 0.0 + +The actual quantizer for a given B frame is computed in pass 1 as show below : + prev_IorP_quantizer * vb_qfactor + vb_qoffset In fixed quantizer mode you can use those options: vqscale, vmax_b_frames, vhq, vme, keyint -- Rémi