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Add several vector functions used by Monkey's Audio decoder to dsputil

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Originally committed as revision 14081 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov
2008-07-06 06:06:55 +00:00
parent fcc402b1c9
commit 88c0536a42
3 changed files with 48 additions and 29 deletions
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17
libavcodec/dsputil.h
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@@ -451,6 +451,23 @@ typedef struct DSPContext {
void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
int * range, int * sum, int edges);
/* ape functions */
/**
* Add contents of the second vector to the first one.
* @param len length of vectors, should be multiple of 8
*/
void (*add_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len);
/**
* Add contents of the second vector to the first one.
* @param len length of vectors, should be multiple of 8
*/
void (*sub_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len);
/**
* Calculate scalar product of two vectors.
* @param len length of vectors, should be multiple of 8
* @param shift number of bits to discard from product
*/
int32_t (*scalarproduct_int16)(int16_t *v1, int16_t *v2/*align 16*/, int len, int shift);
} DSPContext;
void dsputil_static_init(void);