From 49e617f9565b6528fe707bae7ea4b62b10c771a5 Mon Sep 17 00:00:00 2001
From: Mans Rullgard <mans@mansr.com>
Date: Thu, 24 Feb 2011 21:25:53 +0000
Subject: [PATCH] yadif: add parens around macro parameters
This fixes compilation with preprocessors which do not add whitespace
around replaced tokens, resulting in invalid expressions like 1--1.
Signed-off-by: Mans Rullgard <mans@mansr.com>
---
libavfilter/vf_yadif.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index 26bae0efd7..04b03ada53 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -73,12 +73,12 @@ static void filter_line_c(uint8_t *dst,
+ FFABS(cur[mrefs+1] - cur[prefs+1]) - 1;
#define CHECK(j)\
- { int score = FFABS(cur[mrefs-1+j] - cur[prefs-1-j])\
- + FFABS(cur[mrefs +j] - cur[prefs -j])\
- + FFABS(cur[mrefs+1+j] - cur[prefs+1-j]);\
+ { int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
+ + FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
+ + FFABS(cur[mrefs+1+(j)] - cur[prefs+1-(j)]);\
if (score < spatial_score) {\
spatial_score= score;\
- spatial_pred= (cur[mrefs +j] + cur[prefs -j])>>1;\
+ spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\
CHECK(-1) CHECK(-2) }} }}
CHECK( 1) CHECK( 2) }} }}