From 06677d0dd9d3c656665566e585e9ca6de815f247 Mon Sep 17 00:00:00 2001 From: Vitor Sessak Date: Wed, 4 Jan 2012 21:43:47 +0100 Subject: mpegaudiodec: change imdct window arrangment for better pointer alignment Signed-off-by: Ronald S. Bultje --- libavcodec/mpegaudiodsp.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'libavcodec/mpegaudiodsp.h') diff --git a/libavcodec/mpegaudiodsp.h b/libavcodec/mpegaudiodsp.h index 01fd698f3e..c24ea4117e 100644 --- a/libavcodec/mpegaudiodsp.h +++ b/libavcodec/mpegaudiodsp.h @@ -20,6 +20,7 @@ #define AVCODEC_MPEGAUDIODSP_H #include +#include "libavutil/common.h" typedef struct MPADSPContext { void (*apply_window_float)(float *synth_buf, float *window, @@ -74,7 +75,10 @@ void ff_imdct36_blocks_fixed(int *out, int *buf, int *in, void ff_init_mpadsp_tabs_float(void); void ff_init_mpadsp_tabs_fixed(void); -extern int ff_mdct_win_fixed[8][36]; -extern float ff_mdct_win_float[8][36]; +/** For SSE implementation, MDCT_BUF_SIZE/2 should be 128-bit aligned */ +#define MDCT_BUF_SIZE FFALIGN(36, 2*4) + +extern int ff_mdct_win_fixed[8][MDCT_BUF_SIZE]; +extern float ff_mdct_win_float[8][MDCT_BUF_SIZE]; #endif /* AVCODEC_MPEGAUDIODSP_H */ -- cgit v1.2.3