diff options
Diffstat (limited to 'apps/codecs/libwmapro/wmapro_math.h')
| -rw-r--r-- | apps/codecs/libwmapro/wmapro_math.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/apps/codecs/libwmapro/wmapro_math.h b/apps/codecs/libwmapro/wmapro_math.h index 4614bcb..823c002 100644 --- a/apps/codecs/libwmapro/wmapro_math.h +++ b/apps/codecs/libwmapro/wmapro_math.h @@ -2,14 +2,13 @@ #define _WMAPRO_MATH_H_ #include <inttypes.h> -#include "types.h" #define fixtof16(x) (float)((float)(x) / (float)(1 << 16)) #define fixtof31(x) (float)((float)(x) / (float)(1 << 31)) #define ftofix16(x) ((int32_t)((x) * (float)(1 << 16) + ((x) < 0 ? -0.5:0.5))) #define ftofix31(x) ((int32_t)((x) * (float)(1 << 31) + ((x) < 0 ? -0.5:0.5))) -static inline FIXED fixmulshift(FIXED x, FIXED y, int shamt) +static inline int32_t fixmulshift(int32_t x, int32_t y, int shamt) { int64_t temp; temp = x; @@ -21,26 +20,26 @@ static inline FIXED fixmulshift(FIXED x, FIXED y, int shamt) } -static inline void vector_fixmul_window(FIXED *dst, const FIXED *src0, - const FIXED *src1, const FIXED *win, - FIXED add_bias, int len) +static inline void vector_fixmul_window(int32_t *dst, const int32_t *src0, + const int32_t *src1, const int32_t *win, + int32_t add_bias, int len) { int i, j; dst += len; win += len; src0+= len; for(i=-len, j=len-1; i<0; i++, j--) { - FIXED s0 = src0[i]; - FIXED s1 = src1[j]; - FIXED wi = win[i]; - FIXED wj = win[j]; + int32_t s0 = src0[i]; + int32_t s1 = src1[j]; + int32_t wi = win[i]; + int32_t wj = win[j]; dst[i] = fixmulshift(s0,-1*wj,31) - fixmulshift(s1,-1*wi,31) + (add_bias<<16); dst[j] = fixmulshift(s0,-1*wi,31) + fixmulshift(s1,-1*wj,31) + (add_bias<<16); } } -static inline void vector_fixmul_scalar(FIXED *dst, const FIXED *src, FIXED mul, +static inline void vector_fixmul_scalar(int32_t *dst, const int32_t *src, int32_t mul, int len, int shift) { int i; |