arch.h File Reference

Various architecture definitions Speex. More...

#include "speex/speex_types.h"

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Defines
#define	ABS(x)   ((x) < 0 ? (-(x)) : (x))
#define	ABS16(x)   ((x) < 0 ? (-(x)) : (x))
#define	MAX16(a, b)   ((a) > (b) ? (a) : (b))
#define	ABS32(x)   ((x) < 0 ? (-(x)) : (x))
#define	Q15ONE   1.0f
#define	LPC_SCALING   1.f
#define	SIG_SCALING   1.f
#define	LSP_SCALING   1.f
#define	GAMMA_SCALING   1.f
#define	GAIN_SCALING   1.f
#define	GAIN_SCALING_1   1.f
#define	LPC_SHIFT   0
#define	LSP_SHIFT   0
#define	SIG_SHIFT   0
#define	VERY_SMALL   1e-15f
#define	VERY_LARGE32   1e15f
#define	VERY_LARGE16   1e15f
#define	QCONST16(x, bits)   (x)
#define	QCONST32(x, bits)   (x)
#define	NEG16(x)   (-(x))
#define	NEG32(x)   (-(x))
#define	EXTRACT16(x)   (x)
#define	EXTEND32(x)   (x)
#define	SHR16(a, shift)   (a)
#define	SHL16(a, shift)   (a)
#define	SHR32(a, shift)   (a)
#define	SHL32(a, shift)   (a)
#define	PSHR16(a, shift)   (a)
#define	PSHR32(a, shift)   (a)
#define	SATURATE16(x, a)   (x)
#define	SATURATE32(x, a)   (x)
#define	PSHR(a, shift)   (a)
#define	SHR(a, shift)   (a)
#define	SHL(a, shift)   (a)
#define	SATURATE(x, a)   (x)
#define	ADD16(a, b)   ((a)+(b))
#define	SUB16(a, b)   ((a)-(b))
#define	ADD32(a, b)   ((a)+(b))
#define	SUB32(a, b)   ((a)-(b))
#define	ADD64(a, b)   ((a)+(b))
#define	MULT16_16_16(a, b)   ((a)*(b))
#define	MULT16_16(a, b)   ((spx_word32_t)(a)*(spx_word32_t)(b))
#define	MAC16_16(c, a, b)   ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
#define	MULT16_32_Q11(a, b)   ((a)*(b))
#define	MULT16_32_Q13(a, b)   ((a)*(b))
#define	MULT16_32_Q14(a, b)   ((a)*(b))
#define	MULT16_32_Q15(a, b)   ((a)*(b))
#define	MAC16_32_Q11(c, a, b)   ((c)+(a)*(b))
#define	MAC16_32_Q15(c, a, b)   ((c)+(a)*(b))
#define	MAC16_16_Q11(c, a, b)   ((c)+(a)*(b))
#define	MAC16_16_Q13(c, a, b)   ((c)+(a)*(b))
#define	MULT16_16_Q11_32(a, b)   ((a)*(b))
#define	MULT16_16_Q13(a, b)   ((a)*(b))
#define	MULT16_16_Q14(a, b)   ((a)*(b))
#define	MULT16_16_Q15(a, b)   ((a)*(b))
#define	MULT16_16_P15(a, b)   ((a)*(b))
#define	DIV32_16(a, b)   ((a)/(b))
#define	DIV32(a, b)   ((a)/(b))
#define	BYTES_PER_CHAR   1
#define	BITS_PER_CHAR   8
#define	LOG2_BITS_PER_CHAR   3
Typedefs
typedef float	spx_mem_t
typedef float	spx_coef_t
typedef float	spx_lsp_t
typedef float	spx_sig_t
typedef float	spx_word16_t
typedef float	spx_word32_t
typedef float	spx_word64_t

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Detailed Description

Various architecture definitions Speex.

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Define Documentation

#define ABS

(

x

)

((x) < 0 ? (-(x)) : (x))

Absolute integer value.

#define ABS16

(

x

)

((x) < 0 ? (-(x)) : (x))

Absolute 16-bit value.

#define ABS32

(

x

)

((x) < 0 ? (-(x)) : (x))

Absolute 32-bit value.

#define ADD16	(	a,
		b		)	((a)+(b))

#define ADD32	(	a,
		b		)	((a)+(b))

#define ADD64	(	a,
		b		)	((a)+(b))

#define BITS_PER_CHAR   8

#define BYTES_PER_CHAR   1

#define DIV32	(	a,
		b		)	((a)/(b))

#define DIV32_16	(	a,
		b		)	((a)/(b))

#define EXTEND32

(

x

)

(x)

#define EXTRACT16

(

x

)

(x)

#define GAIN_SCALING   1.f

#define GAIN_SCALING_1   1.f

#define GAMMA_SCALING   1.f

#define LOG2_BITS_PER_CHAR   3

#define LPC_SCALING   1.f

#define LPC_SHIFT   0

#define LSP_SCALING   1.f

#define LSP_SHIFT   0

#define MAC16_16	(	c,
		a,
		b		)	((c)+(spx_word32_t)(a)*(spx_word32_t)(b))

#define MAC16_16_Q11	(	c,
		a,
		b		)	((c)+(a)*(b))

#define MAC16_16_Q13	(	c,
		a,
		b		)	((c)+(a)*(b))

#define MAC16_32_Q11	(	c,
		a,
		b		)	((c)+(a)*(b))

#define MAC16_32_Q15	(	c,
		a,
		b		)	((c)+(a)*(b))

#define MAX16	(	a,
		b		)	((a) > (b) ? (a) : (b))

Maximum 16-bit value.

#define MULT16_16	(	a,
		b		)	((spx_word32_t)(a)*(spx_word32_t)(b))

#define MULT16_16_16	(	a,
		b		)	((a)*(b))

#define MULT16_16_P15	(	a,
		b		)	((a)*(b))

#define MULT16_16_Q11_32	(	a,
		b		)	((a)*(b))

#define MULT16_16_Q13	(	a,
		b		)	((a)*(b))

#define MULT16_16_Q14	(	a,
		b		)	((a)*(b))

#define MULT16_16_Q15	(	a,
		b		)	((a)*(b))

#define MULT16_32_Q11	(	a,
		b		)	((a)*(b))

#define MULT16_32_Q13	(	a,
		b		)	((a)*(b))

#define MULT16_32_Q14	(	a,
		b		)	((a)*(b))

#define MULT16_32_Q15	(	a,
		b		)	((a)*(b))

#define NEG16

(

x

)

(-(x))

#define NEG32

(

x

)

(-(x))

#define PSHR	(	a,
		shift		)	(a)

#define PSHR16	(	a,
		shift		)	(a)

#define PSHR32	(	a,
		shift		)	(a)

#define Q15ONE   1.0f

#define QCONST16	(	x,
		bits		)	(x)

#define QCONST32	(	x,
		bits		)	(x)

#define SATURATE	(	x,
		a		)	(x)

#define SATURATE16	(	x,
		a		)	(x)

#define SATURATE32	(	x,
		a		)	(x)

#define SHL	(	a,
		shift		)	(a)

#define SHL16	(	a,
		shift		)	(a)

#define SHL32	(	a,
		shift		)	(a)

#define SHR	(	a,
		shift		)	(a)

#define SHR16	(	a,
		shift		)	(a)

#define SHR32	(	a,
		shift		)	(a)

#define SIG_SCALING   1.f

#define SIG_SHIFT   0

#define SUB16	(	a,
		b		)	((a)-(b))

#define SUB32	(	a,
		b		)	((a)-(b))

#define VERY_LARGE16   1e15f

#define VERY_LARGE32   1e15f

#define VERY_SMALL   1e-15f

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Typedef Documentation

typedef float spx_coef_t

typedef float spx_lsp_t

typedef float spx_mem_t

typedef float spx_sig_t

typedef float spx_word16_t

typedef float spx_word32_t

typedef float spx_word64_t

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