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| author | Måns Rullgård <mans@mansr.com> | 2010-02-17 20:36:12 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-02-17 20:36:12 +0000 |
| commit | d96cd42969964f2b86949e89c0ba138465646bf3 (patch) | |
| tree | cc3335a19c763eb1f7ae73d2c77fb65cc1c27061 /libavcodec | |
| parent | 2480c390bdb5c96b1910f17dcccbe79b32350488 (diff) | |
| download | ffmpeg-d96cd42969964f2b86949e89c0ba138465646bf3.tar.gz | |
Add LOCAL_ALIGNED() macro for declaring aligned local arrays
Originally committed as revision 21864 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/dsputil.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 2d8d41af84..af15d9687c 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -700,6 +700,22 @@ static inline void emms(void) # define STRIDE_ALIGN 8 #endif +#define LOCAL_ALIGNED(a, t, v, s, ...) \ + uint8_t la_##v[sizeof(t s __VA_ARGS__) + (a)]; \ + t (*v) __VA_ARGS__ = (void *)FFALIGN((uintptr_t)la_##v, a) + +#if HAVE_LOCAL_ALIGNED_8 +# define LOCAL_ALIGNED_8((t, v, s, ...) DECLARE_ALIGNED_8(t, v) s __VA_ARGS__ +#else +# define LOCAL_ALIGNED_8(t, v, s, ...) LOCAL_ALIGNED(8, t, v, s, __VA_ARGS__) +#endif + +#if HAVE_LOCAL_ALIGNED_16 +# define LOCAL_ALIGNED_16((t, v, s, ...) DECLARE_ALIGNED_16(t, v) s __VA_ARGS__ +#else +# define LOCAL_ALIGNED_16(t, v, s, ...) LOCAL_ALIGNED(16, t, v, s, __VA_ARGS__) +#endif + /* PSNR */ void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3], int orig_linesize[3], int coded_linesize, |