From 8e5f465f4c5e5750058da3b65a61e77db08b4d1c Mon Sep 17 00:00:00 2001
From: Alexander Strange <astrange@ithinksw.com>
Date: Tue, 8 Apr 2008 01:09:33 +0000
Subject: [PATCH] Increase alignment for DCT block arrays from 8 to 16
Patch by Alexander Strange ( astrange ithinksw com )
Originally committed as revision 12767 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/asv1.c | 2 +-
libavcodec/dv.c | 2 +-
libavcodec/mdec.c | 2 +-
libavcodec/mjpegdec.h | 2 +-
libavcodec/wmv2.h | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/libavcodec/asv1.c b/libavcodec/asv1.c
index f7d3f4c4624..ba8ca16ab95 100644
--- a/libavcodec/asv1.c
+++ b/libavcodec/asv1.c
@@ -47,7 +47,7 @@ typedef struct ASV1Context{
int mb_height;
int mb_width2;
int mb_height2;
- DECLARE_ALIGNED_8(DCTELEM, block[6][64]);
+ DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
DECLARE_ALIGNED_8(uint16_t, intra_matrix[64]);
DECLARE_ALIGNED_8(int, q_intra_matrix[64]);
uint8_t *bitstream_buffer;
diff --git a/libavcodec/dv.c b/libavcodec/dv.c
index 3a8a843464a..3983381640c 100644
--- a/libavcodec/dv.c
+++ b/libavcodec/dv.c
@@ -376,7 +376,7 @@ static inline void dv_decode_video_segment(DVVideoContext *s,
PutBitContext pb, vs_pb;
GetBitContext gb;
BlockInfo mb_data[5 * 6], *mb, *mb1;
- DECLARE_ALIGNED_8(DCTELEM, sblock[5*6][64]);
+ DECLARE_ALIGNED_16(DCTELEM, sblock[5*6][64]);
DECLARE_ALIGNED_8(uint8_t, mb_bit_buffer[80 + 4]); /* allow some slack */
DECLARE_ALIGNED_8(uint8_t, vs_bit_buffer[5 * 80 + 4]); /* allow some slack */
const int log2_blocksize= 3-s->avctx->lowres;
diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
index 5c1382e3c00..356e0316b36 100644
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@@ -47,7 +47,7 @@ typedef struct MDECContext{
int mb_width;
int mb_height;
int mb_x, mb_y;
- DECLARE_ALIGNED_8(DCTELEM, block[6][64]);
+ DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
DECLARE_ALIGNED_8(uint16_t, intra_matrix[64]);
DECLARE_ALIGNED_8(int, q_intra_matrix[64]);
uint8_t *bitstream_buffer;
diff --git a/libavcodec/mjpegdec.h b/libavcodec/mjpegdec.h
index 6c1e40f22ed..d6022eb1e9f 100644
--- a/libavcodec/mjpegdec.h
+++ b/libavcodec/mjpegdec.h
@@ -82,7 +82,7 @@ typedef struct MJpegDecodeContext {
AVFrame picture; /* picture structure */
int linesize[MAX_COMPONENTS]; ///< linesize << interlaced
int8_t *qscale_table;
- DECLARE_ALIGNED_8(DCTELEM, block[64]);
+ DECLARE_ALIGNED_16(DCTELEM, block[64]);
ScanTable scantable;
DSPContext dsp;
diff --git a/libavcodec/wmv2.h b/libavcodec/wmv2.h
index 2fd842e6a2d..9d43ec547ee 100644
--- a/libavcodec/wmv2.h
+++ b/libavcodec/wmv2.h
@@ -50,7 +50,7 @@ typedef struct Wmv2Context{
int hshift;
ScanTable abt_scantable[2];
- DECLARE_ALIGNED_8(DCTELEM, abt_block2[6][64]);
+ DECLARE_ALIGNED_16(DCTELEM, abt_block2[6][64]);
}Wmv2Context;
void ff_wmv2_common_init(Wmv2Context * w);
--
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