forked from Mirrors/freeswitch
dced381e66
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3759 d0543943-73ff-0310-b7d9-9358b9ac24b2
190 lines
5.3 KiB
C
190 lines
5.3 KiB
C
/* Copyright (C) 2003 Jean-Marc Valin */
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/**
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@file arch.h
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@brief Various architecture definitions Speex
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ARCH_H
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#define ARCH_H
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#include "speex/speex_types.h"
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#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
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#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
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#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
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#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
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#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
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#ifdef FIXED_POINT
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typedef spx_int16_t spx_word16_t;
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typedef spx_int32_t spx_word32_t;
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typedef spx_word32_t spx_mem_t;
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typedef spx_word16_t spx_coef_t;
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typedef spx_word16_t spx_lsp_t;
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typedef spx_word32_t spx_sig_t;
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#define Q15ONE 32767
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#define LPC_SCALING 8192
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#define SIG_SCALING 16384
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#define LSP_SCALING 8192.
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#define GAMMA_SCALING 32768.
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#define GAIN_SCALING 64
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#define GAIN_SCALING_1 0.015625
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#define LPC_SHIFT 13
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#define LSP_SHIFT 13
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#define SIG_SHIFT 14
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#define VERY_SMALL 0
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#define VERY_LARGE32 ((spx_word32_t)2147483647)
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#define VERY_LARGE16 ((spx_word16_t)32767)
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#ifdef FIXED_DEBUG
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#include "fixed_debug.h"
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#else
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#include "fixed_generic.h"
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#ifdef ARM5E_ASM
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#include "fixed_arm5e.h"
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#elif defined (ARM4_ASM)
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#include "fixed_arm4.h"
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#elif defined (ARM5E_ASM)
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#include "fixed_arm5e.h"
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#elif defined (BFIN_ASM)
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#include "fixed_bfin.h"
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#endif
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#endif
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#else
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typedef float spx_mem_t;
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typedef float spx_coef_t;
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typedef float spx_lsp_t;
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typedef float spx_sig_t;
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typedef float spx_word16_t;
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typedef float spx_word32_t;
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#define Q15ONE 1.0f
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#define LPC_SCALING 1.f
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#define SIG_SCALING 1.f
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#define LSP_SCALING 1.f
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#define GAMMA_SCALING 1.f
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#define GAIN_SCALING 1.f
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#define GAIN_SCALING_1 1.f
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#define LPC_SHIFT 0
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#define LSP_SHIFT 0
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#define SIG_SHIFT 0
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#define VERY_SMALL 1e-15f
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#define VERY_LARGE32 1e15f
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#define VERY_LARGE16 1e15f
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#define QCONST16(x,bits) (x)
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#define QCONST32(x,bits) (x)
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#define NEG16(x) (-(x))
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#define NEG32(x) (-(x))
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#define EXTRACT16(x) (x)
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#define EXTEND32(x) (x)
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#define SHR16(a,shift) (a)
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#define SHL16(a,shift) (a)
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#define SHR32(a,shift) (a)
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#define SHL32(a,shift) (a)
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#define PSHR16(a,shift) (a)
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#define PSHR32(a,shift) (a)
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#define SATURATE16(x,a) (x)
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#define SATURATE32(x,a) (x)
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#define PSHR(a,shift) (a)
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#define SHR(a,shift) (a)
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#define SHL(a,shift) (a)
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#define SATURATE(x,a) (x)
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#define ADD16(a,b) ((a)+(b))
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#define SUB16(a,b) ((a)-(b))
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#define ADD32(a,b) ((a)+(b))
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#define SUB32(a,b) ((a)-(b))
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#define MULT16_16_16(a,b) ((a)*(b))
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#define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b))
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#define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
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#define MULT16_32_Q11(a,b) ((a)*(b))
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#define MULT16_32_Q13(a,b) ((a)*(b))
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#define MULT16_32_Q14(a,b) ((a)*(b))
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#define MULT16_32_Q15(a,b) ((a)*(b))
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#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b))
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#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b))
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#define MAC16_16_P13(c,a,b) ((c)+(a)*(b))
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#define MULT16_16_Q11_32(a,b) ((a)*(b))
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#define MULT16_16_Q13(a,b) ((a)*(b))
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#define MULT16_16_Q14(a,b) ((a)*(b))
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#define MULT16_16_Q15(a,b) ((a)*(b))
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#define MULT16_16_P15(a,b) ((a)*(b))
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#define MULT16_16_P13(a,b) ((a)*(b))
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#define MULT16_16_P14(a,b) ((a)*(b))
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#define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
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#define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
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#define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
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#define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
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#endif
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#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
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/* 2 on TI C5x DSP */
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#define BYTES_PER_CHAR 2
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#define BITS_PER_CHAR 16
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#define LOG2_BITS_PER_CHAR 4
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#else
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#define BYTES_PER_CHAR 1
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#define BITS_PER_CHAR 8
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#define LOG2_BITS_PER_CHAR 3
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#endif
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#endif
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