[FFmpeg-cvslog] r26355 - trunk/libavcodec/ac3enc.c

jbr subversion
Sat Jan 15 02:59:05 CET 2011


Author: jbr
Date: Sat Jan 15 02:59:04 2011
New Revision: 26355

Log:
Use a local variable in the inner loop of group_exponents() to simplify the
code.

Modified:
   trunk/libavcodec/ac3enc.c

Modified: trunk/libavcodec/ac3enc.c
==============================================================================
--- trunk/libavcodec/ac3enc.c	Sat Jan 15 02:58:59 2011	(r26354)
+++ trunk/libavcodec/ac3enc.c	Sat Jan 15 02:59:04 2011	(r26355)
@@ -642,10 +642,11 @@ static void group_exponents(AC3EncodeCon
     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];
 



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