[FFmpeg-cvslog] r11397 - trunk/doc/snow.txt

[michael]

Author: michael
Date: Fri Jan  4 18:44:42 2008
New Revision: 11397

Log:
A few lines of text about the range coder, part of a patch by Lars T?uber taeuber ?t bbaw punkt de.


Modified:
   trunk/doc/snow.txt

Modified: trunk/doc/snow.txt
==============================================================================
--- trunk/doc/snow.txt	(original)
+++ trunk/doc/snow.txt	Fri Jan  4 18:44:42 2008
@@ -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:
 ===================