From f6a850e2fa70fbabecff77ffcf7d0503f078a843 Mon Sep 17 00:00:00 2001 From: gpoirier Date: Mon, 15 Jan 2007 07:16:03 +0000 Subject: [PATCH] update x264's subq otion description git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21931 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/xml/en/encoding-guide.xml | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/DOCS/xml/en/encoding-guide.xml b/DOCS/xml/en/encoding-guide.xml index 452f64b88b..5b6c7685ab 100644 --- a/DOCS/xml/en/encoding-guide.xml +++ b/DOCS/xml/en/encoding-guide.xml @@ -3658,7 +3658,8 @@ random differences in the achieved bitrate. This is usually enough to be visible. - is the slowest, highest quality mode. + is slower and yields better quality at a reasonable + cost. In comparison to , it usually gains 0.1-0.4 dB global PSNR with speed costs varying from 25%-100%. Unlike other levels of , the behavior of @@ -3670,6 +3671,14 @@ random differences in the achieved bitrate. in low-motion scenes. Note that it is still recommended to always set to something other than zero (see below). + + is the slowest, highest quality mode. + In comparison to , it usually gains 0.01-0.05 dB + global PSNR with speed costs varying from 15%-33%. + Since the tradeoff encoding time vs. quality is quite low, you should + only use it if you are after every bit saving and if encoding time is + not an issue. +