[SCM] libav/experimental: Simplify group size calculation in 2 places.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 17:20:10 UTC 2013
The following commit has been merged in the experimental branch:
commit 02877def4993f438df78ae6a0edf70379a14aed1
Author: Justin Ruggles <justin.ruggles at gmail.com>
Date: Tue Dec 14 14:51:20 2010 +0000
Simplify group size calculation in 2 places.
Originally committed as revision 25961 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index e094ea8..0359773 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -309,18 +309,7 @@ static int encode_exp(uint8_t encoded_exp[AC3_MAX_COEFS],
int group_size, nb_groups, i, j, k, exp_min;
uint8_t exp1[AC3_MAX_COEFS];
- switch (exp_strategy) {
- case EXP_D15:
- group_size = 1;
- break;
- case EXP_D25:
- group_size = 2;
- break;
- default:
- case EXP_D45:
- group_size = 4;
- break;
- }
+ group_size = exp_strategy + (exp_strategy == EXP_D45);
nb_groups = ((nb_exps + (group_size * 3) - 4) / (3 * group_size)) * 3;
/* for each group, compute the minimum exponent */
@@ -833,20 +822,9 @@ static void output_audio_block(AC3EncodeContext *s,
/* exponents */
for (ch = 0; ch < s->channels; ch++) {
- switch (exp_strategy[ch]) {
- case EXP_REUSE:
+ if (exp_strategy[ch] == EXP_REUSE)
continue;
- case EXP_D15:
- group_size = 1;
- break;
- case EXP_D25:
- group_size = 2;
- break;
- default:
- case EXP_D45:
- group_size = 4;
- break;
- }
+ group_size = exp_strategy[ch] + (exp_strategy[ch] == EXP_D45);
nb_groups = (s->nb_coefs[ch] + (group_size * 3) - 4) / (3 * group_size);
p = encoded_exp[ch];
--
Libav/FFmpeg packaging
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