From e5635270d30097dffe8f33ddf93a8ddd15d12802 Mon Sep 17 00:00:00 2001 From: "lars.taeuber@web.de" Date: Fri, 4 Jan 2008 17:44:42 +0000 Subject: [PATCH] =?UTF-8?q?A=20few=20lines=20of=20text=20about=20the=20ran?= =?UTF-8?q?ge=20coder,=20part=20of=20a=20patch=20by=20lars=20punkt=20taeub?= =?UTF-8?q?er=20=C3=A4t=20web=20punkt=20de.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Originally committed as revision 11397 to svn://svn.ffmpeg.org/ffmpeg/trunk --- doc/snow.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/snow.txt b/doc/snow.txt index eaf34079b5..694da6f075 100644 --- a/doc/snow.txt +++ b/doc/snow.txt @@ -309,6 +309,13 @@ Decoding process: Range Coder: ============ FIXME +The implemented range coder is an adapted version based upon "Range encoding: +an algorithm for removing redundancy from a digitised message." by G. N. N. +Martin. +The encoded symbols encoded by the ffmpeg range coder are bits (0|1). The +associated probabilities are not fix but change depending on the symbol mix +seen so far. + Neighboring Blocks: ===================