diff options
| author | Dan Everton <dan@iocaine.org> | 2007-02-10 11:44:26 +0000 |
|---|---|---|
| committer | Dan Everton <dan@iocaine.org> | 2007-02-10 11:44:26 +0000 |
| commit | 7bf62e8da66ca8ff0acc2702f92ea4fe06eb94b1 (patch) | |
| tree | c9db4558a73ae3094839c4655fa0b8ebc2231c56 /apps/codecs/libspeex/fixed_generic.h | |
| parent | 51587512635a8b19e6a5f19a20074d0d4d1f17da (diff) | |
* Sync Speex codec with Speex SVN revision 12449 (roughly Speex 1.2beta1).
* Redo the changes required to make Speex compile in Rockbox. Should be a bit easier to keep in sync with Speex SVN now.
* Fix name of Speex library in codecs Makefile.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12254 a1c6a512-1295-4272-9138-f99709370657
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))) |