From 1db57895dede24143f64dd7499971a1a466851b4 Mon Sep 17 00:00:00 2001 From: gpoirier Date: Sun, 17 Apr 2005 18:41:05 +0000 Subject: Snow supports 3-pass mode and 9/7 wavelet doesn't work lossless mode. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15207 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/tech/snow.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'DOCS') diff --git a/DOCS/tech/snow.txt b/DOCS/tech/snow.txt index 33fbb8996e..eb9a90592a 100644 --- a/DOCS/tech/snow.txt +++ b/DOCS/tech/snow.txt @@ -20,8 +20,8 @@ OPTIONS RECOGNIZED BY SNOW Note that 0 may not be specified; if you want lossless encoding, you must leave out vqscale. - * vpass=<1|2> - Activates internal two pass mode. + * vpass=<1-3> + Activates internal two (or more) pass mode. * vbitrate= Specify bitrate of the 2nd pass. @@ -37,10 +37,12 @@ OPTIONS RECOGNIZED BY SNOW You can add 256 to any of the options to enable chroma motion estimation for that comparison (e.g. mbcmp=257 for SSD with chroma), but it doesn't seem to help much for the moment. + NOTE: 9/7 wavelet doesn't work with lossless mode. * pred=<0-2> Wavelet type. 0 (9/7 wavelet), 1 (5/3 wavelet), 2 (13/7 wavelet). 9/7 is probably better for for lossy coding, and 5/3 for lossless. + NOTE: 9/7 wavelet doesn't work with lossless mode. * last_pred=<0-3> Tries a few extra predicted motion vectors before doing EPZS search, -- cgit v1.2.3