generic-library/ffmpeg
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Increase alignment for DCT block arrays from 8 to 16

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Patch by Alexander Strange ( astrange ithinksw com )

Originally committed as revision 12767 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alexander Strange 2008-04-08 01:09:33 +00:00 committed by Robert Swain
parent 6363827e13
commit 8e5f465f4c
5 changed files with 5 additions and 5 deletions
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2
libavcodec/asv1.c
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@ -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;

2
libavcodec/dv.c
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@ -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;

2
libavcodec/mdec.c
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@ -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;

2
libavcodec/mjpegdec.h
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@ -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;

2
libavcodec/wmv2.h
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@ -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);