arch.h
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上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:5k
源码类别:
Windows CE
开发平台:
C/C++
- /* Copyright (C) 2003 Jean-Marc Valin */
- /**
- @file arch.h
- @brief Various architecture definitions Speex
- */
- /*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- - Neither the name of the Xiph.org Foundation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef ARCH_H
- #define ARCH_H
- #include "speex/speex_types.h"
- #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))
- #ifdef FIXED_POINT
- typedef spx_int16_t spx_word16_t;
- typedef spx_int32_t spx_word32_t;
- #ifdef _MSC_VER
- typedef __int64 spx_word64_t;
- #else
- typedef long long spx_word64_t;
- #endif
- typedef spx_word32_t spx_mem_t;
- typedef spx_word16_t spx_coef_t;
- typedef spx_word16_t spx_lsp_t;
- typedef spx_word32_t spx_sig_t;
- #define Q15ONE 32767
- #define LPC_SCALING 8192
- #define SIG_SCALING 16384
- #define LSP_SCALING 8192.
- #define GAMMA_SCALING 32768.
- #define GAIN_SCALING 64
- #define GAIN_SCALING_1 0.015625
- #define LPC_SHIFT 13
- #define LSP_SHIFT 13
- #define SIG_SHIFT 14
- #define VERY_SMALL 0
- #define VERY_LARGE32 ((spx_word32_t)2147483647)
- #define VERY_LARGE16 ((spx_word16_t)32767)
- #ifdef FIXED_DEBUG
- #include "fixed_debug.h"
- #else
- #include "fixed_generic.h"
- #ifdef ARM5E_ASM
- #include "fixed_arm5e.h"
- #elif defined (ARM4_ASM)
- #include "fixed_arm4.h"
- #elif defined (ARM5E_ASM)
- #include "fixed_arm5e.h"
- #elif defined (BFIN_ASM)
- #include "fixed_bfin.h"
- #endif
- #endif
- #else
- 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;
- #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 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))
- #endif
- #ifdef CONFIG_TI_C55X
- /* 2 on TI C5x DSP */
- #define BYTES_PER_CHAR 2
- #define BITS_PER_CHAR 16
- #define LOG2_BITS_PER_CHAR 4
- #else
- #define BYTES_PER_CHAR 1
- #define BITS_PER_CHAR 8
- #define LOG2_BITS_PER_CHAR 3
- #endif
- #endif