[FFmpeg-devel] [PATCH] dsputil: declare some arrays 16-byte aligned
Mans Rullgard
mans
Wed Aug 26 14:31:23 CEST 2009
These arrays are passed to functions for which we promise 16-byte
alignment, so make sure we fulfil that promise.
---
libavcodec/dsputil.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index f2b2fc8..92d613a 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -3788,7 +3788,7 @@ static int dct264_sad8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *s
static int dct_max8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){
MpegEncContext * const s= (MpegEncContext *)c;
- DECLARE_ALIGNED_8(uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
DCTELEM * const temp= (DCTELEM*)aligned_temp;
int sum=0, i;
@@ -3805,7 +3805,7 @@ static int dct_max8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2
static int quant_psnr8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){
MpegEncContext * const s= (MpegEncContext *)c;
- DECLARE_ALIGNED_8 (uint64_t, aligned_temp[sizeof(DCTELEM)*64*2/8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_temp[sizeof(DCTELEM)*64*2/8]);
DCTELEM * const temp= (DCTELEM*)aligned_temp;
DCTELEM * const bak = ((DCTELEM*)aligned_temp)+64;
int sum=0, i;
@@ -3830,9 +3830,9 @@ static int quant_psnr8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *s
static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){
MpegEncContext * const s= (MpegEncContext *)c;
const uint8_t *scantable= s->intra_scantable.permutated;
- DECLARE_ALIGNED_8 (uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
- DECLARE_ALIGNED_8 (uint64_t, aligned_src1[8]);
- DECLARE_ALIGNED_8 (uint64_t, aligned_src2[8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_src1[8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_src2[8]);
DCTELEM * const temp= (DCTELEM*)aligned_temp;
uint8_t * const lsrc1 = (uint8_t*)aligned_src1;
uint8_t * const lsrc2 = (uint8_t*)aligned_src2;
@@ -3909,7 +3909,7 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
static int bit8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){
MpegEncContext * const s= (MpegEncContext *)c;
const uint8_t *scantable= s->intra_scantable.permutated;
- DECLARE_ALIGNED_8 (uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
+ DECLARE_ALIGNED_16(uint64_t, aligned_temp[sizeof(DCTELEM)*64/8]);
DCTELEM * const temp= (DCTELEM*)aligned_temp;
int i, last, run, bits, level, start_i;
const int esc_length= s->ac_esc_length;
--
1.6.4
More information about the ffmpeg-devel
mailing list