From c3011e6f90cb070416e792eb9b228097e21437f9 Mon Sep 17 00:00:00 2001 From: Adrian Grange Date: Wed, 15 Jan 2014 09:53:03 -0800 Subject: Delete outdated comment & tidy-up others Change-Id: I83031180723ee59270ec8fb66b2f73c0796bee25 --- vp9/common/vp9_prob.h | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/vp9/common/vp9_prob.h b/vp9/common/vp9_prob.h index 6148206c8..7a790c542 100644 --- a/vp9/common/vp9_prob.h +++ b/vp9/common/vp9_prob.h @@ -39,17 +39,12 @@ typedef int8_t vp9_tree_index; typedef const vp9_tree_index vp9_tree[]; -/* Convert array of token occurrence counts into a table of probabilities - for the associated binary encoding tree. Also writes count of branches - taken for each node on the tree; this facilitiates decisions as to - probability updates. */ - static INLINE vp9_prob clip_prob(int p) { return (p > 255) ? 255u : (p < 1) ? 1u : p; } // int64 is not needed for normal frame level calculations. -// However when outputing entropy stats accumulated over many frames +// However when outputting entropy stats accumulated over many frames // or even clips we can overflow int math. #ifdef ENTROPY_STATS static INLINE vp9_prob get_prob(int num, int den) { @@ -65,7 +60,7 @@ static INLINE vp9_prob get_binary_prob(int n0, int n1) { return get_prob(n0, n0 + n1); } -/* this function assumes prob1 and prob2 are already within [1,255] range */ +/* This function assumes prob1 and prob2 are already within [1,255] range. */ static INLINE vp9_prob weighted_prob(int prob1, int prob2, int factor) { return ROUND_POWER_OF_TWO(prob1 * (256 - factor) + prob2 * factor, 8); } -- cgit v1.2.3