From: Luca Barbato <lu_z...@gentoo.org>
Might spare few cycles if the compiler is naive and
makes the function more readable.
---
libavcodec/aacdec.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index d2d51f5..6968102 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -1419,13 +1419,12 @@ static void decode_mid_side_stereo(ChannelElement *cpe,
GetBitContext *gb,
int ms_present)
{
int idx;
+ int max_idx = cpe->ch[0].ics.num_window_groups * cpe->ch[0].ics.max_sfb;
if (ms_present == 1) {
- for (idx = 0;
- idx < cpe->ch[0].ics.num_window_groups * cpe->ch[0].ics.max_sfb;
- idx++)
+ for (idx = 0; idx < max_idx; idx++)
cpe->ms_mask[idx] = get_bits1(gb);
} else if (ms_present == 2) {
- memset(cpe->ms_mask, 1, cpe->ch[0].ics.num_window_groups *
cpe->ch[0].ics.max_sfb * sizeof(cpe->ms_mask[0]));
+ memset(cpe->ms_mask, 1, max_idx * sizeof(cpe->ms_mask[0]));
}
}
--
1.9.3 (Apple Git-50)
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