diff options
Diffstat (limited to 'drivers/opus/celt/arch.h')
| -rw-r--r-- | drivers/opus/celt/arch.h | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/opus/celt/arch.h b/drivers/opus/celt/arch.h index d964f8d90c..7fb036e9fe 100644 --- a/drivers/opus/celt/arch.h +++ b/drivers/opus/celt/arch.h @@ -69,11 +69,8 @@ static OPUS_INLINE void _celt_fatal(const char *str, const char *file, int line) #define IMUL32(a,b) ((a)*(b)) -#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ -#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */ #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ -#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */ #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ #define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */ @@ -108,6 +105,13 @@ typedef opus_val32 celt_ener; #define SCALEIN(a) (a) #define SCALEOUT(a) (a) +#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) +#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) + +static OPUS_INLINE opus_int16 SAT16(opus_int32 x) { + return x > 32767 ? 32767 : x < -32768 ? -32768 : (opus_int16)x; +} + #ifdef FIXED_DEBUG #include "opus/celt/fixed_debug.h" #else @@ -115,9 +119,9 @@ typedef opus_val32 celt_ener; #include "opus/celt/fixed_generic.h" #ifdef OPUS_ARM_INLINE_EDSP -#include "arm/fixed_armv5e.h" +#include "opus/celt/arm/fixed_armv5e.h" #elif defined (OPUS_ARM_INLINE_ASM) -#include "arm/fixed_armv4.h" +#include "opus/celt/arm/fixed_armv4.h" #elif defined (BFIN_ASM) #include "fixed_bfin.h" #elif defined (TI_C5X_ASM) @@ -128,7 +132,7 @@ typedef opus_val32 celt_ener; #endif -#else /* OPUS_FIXED_POINT */ +#else /* FIXED_POINT */ typedef float opus_val16; typedef float opus_val32; @@ -137,6 +141,22 @@ typedef float celt_sig; typedef float celt_norm; typedef float celt_ener; +#ifdef FLOAT_APPROX +/* This code should reliably detect NaN/inf even when -ffast-math is used. + Assumes IEEE 754 format. */ +static OPUS_INLINE int celt_isnan(float x) +{ + union {float f; opus_uint32 i;} in; + in.f = x; + return ((in.i>>23)&0xFF)==0xFF && (in.i&0x007FFFFF)!=0; +} +#else +#ifdef __FAST_MATH__ +#error Cannot build libopus with -ffast-math unless FLOAT_APPROX is defined. This could result in crashes on extreme (e.g. NaN) input +#endif +#define celt_isnan(x) ((x)!=(x)) +#endif + #define Q15ONE 1.0f #define NORM_SCALING 1.f @@ -146,6 +166,10 @@ typedef float celt_ener; #define VERY_LARGE16 1e15f #define Q15_ONE ((opus_val16)1.f) +/* This appears to be the same speed as C99's fabsf() but it's more portable. */ +#define ABS16(x) ((float)fabs(x)) +#define ABS32(x) ((float)fabs(x)) + #define QCONST16(x,bits) (x) #define QCONST32(x,bits) (x) @@ -184,6 +208,7 @@ typedef float celt_ener; #define MULT32_32_Q31(a,b) ((a)*(b)) #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) +#define MAC16_32_Q16(c,a,b) ((c)+(a)*(b)) #define MULT16_16_Q11_32(a,b) ((a)*(b)) #define MULT16_16_Q11(a,b) ((a)*(b)) @@ -201,7 +226,9 @@ typedef float celt_ener; #define SCALEIN(a) ((a)*CELT_SIG_SCALE) #define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE)) -#endif /* !OPUS_FIXED_POINT */ +#define SIG2WORD16(x) (x) + +#endif /* !FIXED_POINT */ #ifndef GLOBAL_STACK_SIZE #ifdef OPUS_FIXED_POINT |