From 8d3da989308ab211d8fae9b112889d8c3cf785d2 Mon Sep 17 00:00:00 2001 From: gpoirier Date: Mon, 11 Apr 2005 11:13:48 +0000 Subject: Fixes suggested by The Wanderer. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15123 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/tech/snow.txt | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'DOCS/tech/snow.txt') diff --git a/DOCS/tech/snow.txt b/DOCS/tech/snow.txt index 2f548f99e0..2b6628d596 100644 --- a/DOCS/tech/snow.txt +++ b/DOCS/tech/snow.txt @@ -10,14 +10,15 @@ For this reason, MEncoder will not encode without 'vstrict=-1' on the command line. -OPTIONS OBEYED BY SNOW +OPTIONS RECOGNIZED BY SNOW * vqscale=<0.01-255> - Encoding quality, sane range 1-10, default: 0 (lossless). + Encoding quality, sane range 1-10, default: 0 (lossless). May be + fractional. A given quality in snow needs a somewhat lower qscale than the same quality in MPEG-4. Note that 0 may not be specified; if you want lossless encoding, you - must leave out vqscale. (Yes, quantizer can be fractional.) + must leave out vqscale. * cmp, subcmp, mbcmp Set the comparison function, default: 0 (SAD). @@ -34,9 +35,9 @@ OPTIONS OBEYED BY SNOW * last_pred=<0-3> Tries a few extra predicted motion vectors before doing EPZS search, - default=0. + default: 0. This option has negligible effect on both speed and quality of snow, - so just leave it off. (it does, however, help mpeg4.) + so just leave it off. (It does, however, help MPEG-4.) * qpel Refines motion estimation, default: off. @@ -46,7 +47,7 @@ OPTIONS OBEYED BY SNOW * v4mv Allows smaller motion partitions, default: off. The current MB decision algorithm doesn't make very good use of this: - It improves quality, but also increases bitrate. (and you could get + It improves quality, but also increases bitrate. (You could get more quality per bitrate by reducing quantizer instead.) -- cgit v1.2.3