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-rw-r--r--apps/codecs/libwmapro/wmapro_math.h19
1 files changed, 9 insertions, 10 deletions
diff --git a/apps/codecs/libwmapro/wmapro_math.h b/apps/codecs/libwmapro/wmapro_math.h
index 4614bcbe56..823c002c09 100644
--- a/apps/codecs/libwmapro/wmapro_math.h
+++ b/apps/codecs/libwmapro/wmapro_math.h
@@ -2,14 +2,13 @@
2#define _WMAPRO_MATH_H_ 2#define _WMAPRO_MATH_H_
3 3
4#include <inttypes.h> 4#include <inttypes.h>
5#include "types.h"
6 5
7#define fixtof16(x) (float)((float)(x) / (float)(1 << 16)) 6#define fixtof16(x) (float)((float)(x) / (float)(1 << 16))
8#define fixtof31(x) (float)((float)(x) / (float)(1 << 31)) 7#define fixtof31(x) (float)((float)(x) / (float)(1 << 31))
9#define ftofix16(x) ((int32_t)((x) * (float)(1 << 16) + ((x) < 0 ? -0.5:0.5))) 8#define ftofix16(x) ((int32_t)((x) * (float)(1 << 16) + ((x) < 0 ? -0.5:0.5)))
10#define ftofix31(x) ((int32_t)((x) * (float)(1 << 31) + ((x) < 0 ? -0.5:0.5))) 9#define ftofix31(x) ((int32_t)((x) * (float)(1 << 31) + ((x) < 0 ? -0.5:0.5)))
11 10
12static inline FIXED fixmulshift(FIXED x, FIXED y, int shamt) 11static inline int32_t fixmulshift(int32_t x, int32_t y, int shamt)
13{ 12{
14 int64_t temp; 13 int64_t temp;
15 temp = x; 14 temp = x;
@@ -21,26 +20,26 @@ static inline FIXED fixmulshift(FIXED x, FIXED y, int shamt)
21} 20}
22 21
23 22
24static inline void vector_fixmul_window(FIXED *dst, const FIXED *src0, 23static inline void vector_fixmul_window(int32_t *dst, const int32_t *src0,
25 const FIXED *src1, const FIXED *win, 24 const int32_t *src1, const int32_t *win,
26 FIXED add_bias, int len) 25 int32_t add_bias, int len)
27{ 26{
28 int i, j; 27 int i, j;
29 dst += len; 28 dst += len;
30 win += len; 29 win += len;
31 src0+= len; 30 src0+= len;
32 for(i=-len, j=len-1; i<0; i++, j--) { 31 for(i=-len, j=len-1; i<0; i++, j--) {
33 FIXED s0 = src0[i]; 32 int32_t s0 = src0[i];
34 FIXED s1 = src1[j]; 33 int32_t s1 = src1[j];
35 FIXED wi = win[i]; 34 int32_t wi = win[i];
36 FIXED wj = win[j]; 35 int32_t wj = win[j];
37 dst[i] = fixmulshift(s0,-1*wj,31) - fixmulshift(s1,-1*wi,31) + (add_bias<<16); 36 dst[i] = fixmulshift(s0,-1*wj,31) - fixmulshift(s1,-1*wi,31) + (add_bias<<16);
38 dst[j] = fixmulshift(s0,-1*wi,31) + fixmulshift(s1,-1*wj,31) + (add_bias<<16); 37 dst[j] = fixmulshift(s0,-1*wi,31) + fixmulshift(s1,-1*wj,31) + (add_bias<<16);
39 } 38 }
40 39
41} 40}
42 41
43static inline void vector_fixmul_scalar(FIXED *dst, const FIXED *src, FIXED mul, 42static inline void vector_fixmul_scalar(int32_t *dst, const int32_t *src, int32_t mul,
44 int len, int shift) 43 int len, int shift)
45{ 44{
46 int i; 45 int i;