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

Detailed Description

Various architecture definitions Speex.

Define Documentation

#define ABS ( x ) ((x) < 0 ? (-(x)) : (x))

Absolute integer value.

Referenced by nb_decode(), and nb_encode().

#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))

Referenced by _spx_lpc(), comb_filter(), compute_impulse_response(), lpc_to_lsp(), lsp_unquant_nb(), nb_decode(), nb_encode(), pitch_unquant_3tap(), qmf_decomp(), and sb_encode().

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

Referenced by _spx_autocorr(), comb_filter(), filter_mem2(), fir_mem_up(), iir_mem2(), lpc_to_lsp(), lsp_unquant_nb(), nb_decode(), open_loop_nbest_pitch(), pitch_unquant_3tap(), qmf_decomp(), sb_decode(), sb_encode(), speex_echo_cancel(), split_cb_search_shape_sign(), and vq_nbest_sign().

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

#define BITS_PER_CHAR 8

Referenced by speex_bits_advance(), speex_bits_nbytes(), speex_bits_pack(), speex_bits_peek(), speex_bits_peek_unsigned(), speex_bits_read_whole_bytes(), speex_bits_unpack_unsigned(), speex_bits_write(), and speex_bits_write_whole_bytes().

#define BYTES_PER_CHAR 1

Referenced by speex_bits_read_whole_bytes(), speex_bits_write(), speex_bits_write_whole_bytes(), and speex_jitter_put().

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

Referenced by comb_filter(), nb_decode(), and open_loop_nbest_pitch().

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

Referenced by _spx_lpc(), comb_filter(), nb_decode(), open_loop_nbest_pitch(), pitch_unquant_3tap(), sb_decode(), sb_encode(), speex_echo_cancel(), speex_echo_ctl(), and speex_echo_state_init().

#define EXTEND32 ( x ) (x)

Referenced by _spx_lpc(), comb_filter(), lpc_to_lsp(), nb_decode(), nb_encode(), open_loop_nbest_pitch(), pitch_unquant_3tap(), speex_echo_cancel(), split_cb_search_shape_sign(), and split_cb_shape_sign_unquant().

#define EXTRACT16 ( x ) (x)

Referenced by compute_impulse_response(), nb_decode(), nb_encode(), and split_cb_search_shape_sign().

#define GAIN_SCALING 1.f

Referenced by nb_decode().

#define GAIN_SCALING_1 1.f

Referenced by comb_filter(), forced_pitch_quant(), forced_pitch_unquant(), and nb_encode().

#define GAMMA_SCALING 1.f

Referenced by nb_decode().

#define LOG2_BITS_PER_CHAR 3

Referenced by speex_bits_advance(), speex_bits_nbytes(), speex_bits_pack(), speex_bits_peek(), speex_bits_peek_unsigned(), speex_bits_read_whole_bytes(), speex_bits_remaining(), speex_bits_unpack_unsigned(), speex_bits_write(), and speex_bits_write_whole_bytes().

#define LPC_SCALING 1.f

Referenced by compute_impulse_response(), lpc_to_lsp(), nb_decode(), sb_decode(), and sb_encode().

#define LPC_SHIFT 0

Referenced by compute_impulse_response().

#define LSP_SCALING 1.f

Referenced by lsp_enforce_margin(), and nb_encoder_init().

#define LSP_SHIFT 0

Referenced by nb_decode().

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

Referenced by compute_impulse_response(), split_cb_search_shape_sign(), vq_nbest(), and vq_nbest_sign().

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

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

Referenced by _spx_lpc().

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

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

Referenced by filter_mem2(), fir_mem2(), iir_mem2(), and speex_echo_cancel().

#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))

Referenced by _spx_autocorr(), _spx_lpc(), compute_impulse_response(), fir_mem_up(), nb_encode(), open_loop_nbest_pitch(), qmf_decomp(), sb_decode(), sb_encode(), and speex_echo_state_init().

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

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

Referenced by bw_lpc(), and speex_echo_cancel().

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

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

Referenced by _spx_lpc().

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

Referenced by lpc_to_lsp(), nb_encode(), pitch_unquant_3tap(), and sb_encode().

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

Referenced by comb_filter(), lpc_to_lsp(), nb_encode(), sb_encode(), and speex_echo_cancel().

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

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

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

Referenced by nb_decode().

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

Referenced by comb_filter(), filter_mem2(), fir_mem2(), iir_mem2(), nb_decode(), pitch_unquant_3tap(), sb_decode(), sb_encode(), and speex_echo_cancel().

#define NEG16 ( x ) (-(x))

Referenced by compute_impulse_response(), and spx_cos().

#define NEG32 ( x ) (-(x))

Referenced by _spx_lpc(), filter_mem2(), iir_mem2(), split_cb_search_shape_sign(), and split_cb_shape_sign_unquant().

#define PSHR	(	a,
		shift		)	(a)

Referenced by qmf_decomp(), and sb_encode().

#define PSHR16	(	a,
		shift		)	(a)

Referenced by lpc_to_lsp(), lsp_quant_high(), lsp_quant_lbr(), lsp_quant_nb(), and nb_decode().

#define PSHR32	(	a,
		shift		)	(a)

Referenced by compute_impulse_response(), lpc_to_lsp(), nb_decode(), speex_echo_cancel(), and split_cb_search_shape_sign().

#define Q15ONE 1.0f

#define QCONST16	(	x,
		bits		)	(x)

Referenced by speex_echo_cancel(), speex_echo_ctl(), and speex_echo_state_init().

#define QCONST32	(	x,
		bits		)	(x)

Referenced by speex_echo_cancel().

#define SATURATE	(	x,
		a		)	(x)

Referenced by filter_mem2(), fir_mem2(), iir_mem2(), qmf_decomp(), and sb_encode().

#define SATURATE16	(	x,
		a		)	(x)

#define SATURATE32	(	x,
		a		)	(x)

#define SHL	(	a,
		shift		)	(a)

Referenced by filter_mem2(), iir_mem2(), sb_decode(), sb_encode(), and speex_echo_cancel().

#define SHL16	(	a,
		shift		)	(a)

Referenced by comb_filter(), compute_impulse_response(), pitch_unquant_3tap(), speex_echo_cancel(), and speex_echo_state_init().

#define SHL32	(	a,
		shift		)	(a)

Referenced by _spx_lpc(), comb_filter(), filter_mem2(), fir_mem2(), iir_mem2(), nb_decode(), nb_encode(), open_loop_nbest_pitch(), pitch_unquant_3tap(), speex_echo_cancel(), speex_echo_ctl(), speex_echo_state_init(), split_cb_search_shape_sign(), and split_cb_shape_sign_unquant().

#define SHR	(	a,
		shift		)	(a)

Referenced by fir_mem_up(), nb_encode(), qmf_decomp(), sb_decode(), sb_encode(), and vq_nbest().

#define SHR16	(	a,
		shift		)	(a)

Referenced by nb_decode(), open_loop_nbest_pitch(), and pitch_unquant_3tap().

#define SHR32	(	a,
		shift		)	(a)

Referenced by _spx_autocorr(), nb_decode(), nb_encode(), open_loop_nbest_pitch(), speex_echo_cancel(), split_cb_search_shape_sign(), vq_nbest(), and vq_nbest_sign().

#define SIG_SCALING 1.f

Referenced by nb_decode(), nb_encoder_init(), sb_decode(), sb_encode(), sb_encoder_init(), and speex_rand_vec().

#define SIG_SHIFT 0

Referenced by fir_mem_up(), nb_decode(), nb_encode(), sb_decode(), sb_encode(), split_cb_search_shape_sign(), and split_cb_shape_sign_unquant().

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

Referenced by _spx_lpc(), comb_filter(), lpc_to_lsp(), lsp_quant_high(), lsp_quant_lbr(), lsp_quant_nb(), qmf_decomp(), and speex_echo_cancel().

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

Referenced by _spx_lpc(), filter_mem2(), lpc_to_lsp(), nb_decode(), open_loop_nbest_pitch(), qmf_decomp(), speex_echo_cancel(), split_cb_search_shape_sign(), and vq_nbest().

#define VERY_LARGE16 1e15f

#define VERY_LARGE32 1e15f

Referenced by split_cb_search_shape_sign().

#define VERY_SMALL 1e-15f

Referenced by compute_impulse_response(), nb_decode(), pitch_unquant_3tap(), sb_decode(), and sb_encode().

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


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