diff options
Diffstat (limited to 'apps/codecs/libspeex/fixed_generic.h')
| -rw-r--r-- | apps/codecs/libspeex/fixed_generic.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/apps/codecs/libspeex/fixed_generic.h b/apps/codecs/libspeex/fixed_generic.h index 375050c353..2948177c0b 100644 --- a/apps/codecs/libspeex/fixed_generic.h +++ b/apps/codecs/libspeex/fixed_generic.h @@ -46,14 +46,15 @@ #define SHL16(a,shift) ((a) << (shift)) #define SHR32(a,shift) ((a) >> (shift)) #define SHL32(a,shift) ((a) << (shift)) -#define PSHR16(a,shift) (SHR16((a)+(1<<((shift)-1)),shift)) -#define PSHR32(a,shift) (SHR32((a)+(1<<((shift)-1)),shift)) +#define PSHR16(a,shift) (SHR16((a)+((1<<((shift))>>1)),shift)) +#define PSHR32(a,shift) (SHR32((a)+((1<<((shift))>>1)),shift)) +#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift))) #define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) #define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) #define SHR(a,shift) ((a) >> (shift)) #define SHL(a,shift) ((spx_word32_t)(a) << (shift)) -#define PSHR(a,shift) (SHR((a)+(1<<((shift)-1)),shift)) +#define PSHR(a,shift) (SHR((a)+((1<<((shift))>>1)),shift)) #define SATURATE(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) @@ -77,6 +78,7 @@ #define MULT16_32_Q11(a,b) ADD32(MULT16_16((a),SHR((b),11)), SHR(MULT16_16((a),((b)&0x000007ff)),11)) #define MAC16_32_Q11(c,a,b) ADD32(c,ADD32(MULT16_16((a),SHR((b),11)), SHR(MULT16_16((a),((b)&0x000007ff)),11))) +#define MULT16_32_P15(a,b) ADD32(MULT16_16((a),SHR((b),15)), PSHR(MULT16_16((a),((b)&0x00007fff)),15)) #define MULT16_32_Q15(a,b) ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15)) #define MAC16_32_Q15(c,a,b) ADD32(c,ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15))) |