From 4b90c35d74880b07c50b3392a338f0f00d10302f Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Sat, 15 Jan 2011 01:59:04 +0000
Subject: [PATCH] Use a local variable in the inner loop of group_exponents()
to simplify the code.
Originally committed as revision 26355 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/ac3enc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index fe93337b721..a9552568c4d 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -642,10 +642,11 @@ static void group_exponents(AC3EncodeContext *s)
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];
for (ch = 0; ch < s->channels; ch++) {
- if (s->exp_strategy[ch][blk] == EXP_REUSE)
+ int exp_strategy = s->exp_strategy[ch][blk];
+ if (exp_strategy == EXP_REUSE)
continue;
- group_size = s->exp_strategy[ch][blk] + (s->exp_strategy[ch][blk] == EXP_D45);
- nb_groups = exponent_group_tab[s->exp_strategy[ch][blk]-1][s->nb_coefs[ch]];
+ group_size = exp_strategy + (exp_strategy == EXP_D45);
+ nb_groups = exponent_group_tab[exp_strategy-1][s->nb_coefs[ch]];
bit_count += 4 + (nb_groups * 7);
p = block->exp[ch];
--
GitLab