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authorMans Rullgard <mans@mansr.com>2011-05-27 20:31:57 +0100
committerMans Rullgard <mans@mansr.com>2011-05-28 15:00:16 +0100
commit7f7726c7a23f8ca9d8cd5d2511356d724d4284a3 (patch)
tree8af5e082c0619ae1706694415c9ccd749d1f097b /libavcodec
parent04de5bf56c1f1f946272f436d9c8cb82c63d30b4 (diff)
downloadffmpeg-7f7726c7a23f8ca9d8cd5d2511356d724d4284a3.tar.gz
ac3enc: use LOCAL_ALIGNED macro
Aligned local variables must use the LOCAL_ALIGNED macro to ensure correct alignment on all systems. The unusual size argument to memset is required since the implementation of LOCAL_ALIGNED may use a pointer to an array. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/ac3enc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 5285874caa..c85c69d248 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -546,12 +546,15 @@ static inline float calc_cpl_coord(float energy_ch, float energy_cpl)
static void apply_channel_coupling(AC3EncodeContext *s)
{
#if CONFIG_AC3ENC_FLOAT
- DECLARE_ALIGNED(16, float, cpl_coords) [AC3_MAX_BLOCKS][AC3_MAX_CHANNELS][16] = {{{0}}};
- DECLARE_ALIGNED(16, int32_t, fixed_cpl_coords)[AC3_MAX_BLOCKS][AC3_MAX_CHANNELS][16] = {{{0}}};
+ LOCAL_ALIGNED_16(float, cpl_coords, [AC3_MAX_BLOCKS], [AC3_MAX_CHANNELS][16]);
+ LOCAL_ALIGNED_16(int32_t, fixed_cpl_coords, [AC3_MAX_BLOCKS], [AC3_MAX_CHANNELS][16]);
int blk, ch, bnd, i, j;
CoefSumType energy[AC3_MAX_BLOCKS][AC3_MAX_CHANNELS][16] = {{{0}}};
int num_cpl_coefs = s->num_cpl_subbands * 12;
+ memset(cpl_coords, 0, AC3_MAX_BLOCKS * sizeof(*cpl_coords));
+ memset(fixed_cpl_coords, 0, AC3_MAX_BLOCKS * sizeof(*fixed_cpl_coords));
+
/* calculate coupling channel from fbw channels */
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];