1 /* Copyright (C) 2003 Jean-Marc Valin */
2 /**
3    @file arch.h
4    @brief Various architecture definitions Speex
5 */
6 /*
7    Redistribution and use in source and binary forms, with or without
8    modification, are permitted provided that the following conditions
9    are met:
10 
11    - Redistributions of source code must retain the above copyright
12    notice, this list of conditions and the following disclaimer.
13 
14    - Redistributions in binary form must reproduce the above copyright
15    notice, this list of conditions and the following disclaimer in the
16    documentation and/or other materials provided with the distribution.
17 
18    - Neither the name of the Xiph.org Foundation nor the names of its
19    contributors may be used to endorse or promote products derived from
20    this software without specific prior written permission.
21 
22    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
26    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34 
35 #ifndef ARCH_H
36 #define ARCH_H
37 #define EXPORT
38 
39 #ifndef SPEEX_VERSION
40 #define SPEEX_MAJOR_VERSION 1         /**< Major Speex version. */
41 #define SPEEX_MINOR_VERSION 1         /**< Minor Speex version. */
42 #define SPEEX_MICRO_VERSION 15        /**< Micro Speex version. */
43 #define SPEEX_EXTRA_VERSION ""        /**< Extra Speex version. */
44 #define SPEEX_VERSION "speex-1.2beta3"  /**< Speex version string. */
45 #endif
46 
47 /* A couple test to catch stupid option combinations */
48 #define FLOATING_POINT
49 
50 #ifdef FIXED_POINT
51 
52 #ifdef FLOATING_POINT
53 #error You cannot compile as floating point and fixed point at the same time
54 #endif
55 #ifdef _USE_SSE
56 #error SSE is only for floating-point
57 #endif
58 #if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
59 #error Make up your mind. What CPU do you have?
60 #endif
61 #ifdef VORBIS_PSYCHO
62 #error Vorbis-psy model currently not implemented in fixed-point
63 #endif
64 
65 #else
66 
67 #ifndef FLOATING_POINT
68 #error You now need to define either FIXED_POINT or FLOATING_POINT
69 #endif
70 #if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
71 #error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
72 #endif
73 #ifdef FIXED_POINT_DEBUG
74 #error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
75 #endif
76 
77 
78 #endif
79 
80 #ifndef OUTSIDE_SPEEX
81 #include "../include/speex/speex_types.h"
82 #endif
83 
84 #define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */
85 #define ABS16(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 16-bit value.  */
86 #define MIN16(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
87 #define MAX16(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
88 #define ABS32(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 32-bit value.  */
89 #define MIN32(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
90 #define MAX32(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
91 
92 #ifdef FIXED_POINT
93 
94 typedef spx_int16_t spx_word16_t;
95 typedef spx_int32_t spx_word32_t;
96 typedef spx_word32_t spx_mem_t;
97 typedef spx_word16_t spx_coef_t;
98 typedef spx_word16_t spx_lsp_t;
99 typedef spx_word32_t spx_sig_t;
100 
101 #define Q15ONE 32767
102 
103 #define LPC_SCALING  8192
104 #define SIG_SCALING  16384
105 #define LSP_SCALING  8192.
106 #define GAMMA_SCALING 32768.
107 #define GAIN_SCALING 64
108 #define GAIN_SCALING_1 0.015625
109 
110 #define LPC_SHIFT    13
111 #define LSP_SHIFT    13
112 #define SIG_SHIFT    14
113 #define GAIN_SHIFT   6
114 
115 #define VERY_SMALL 0
116 #define VERY_LARGE32 ((spx_word32_t)2147483647)
117 #define VERY_LARGE16 ((spx_word16_t)32767)
118 #define Q15_ONE ((spx_word16_t)32767)
119 
120 
121 #ifdef FIXED_DEBUG
122 #include "fixed_debug.h"
123 #else
124 
125 #include "fixed_generic.h"
126 
127 #ifdef ARM5E_ASM
128 #include "fixed_arm5e.h"
129 #elif defined (ARM4_ASM)
130 #include "fixed_arm4.h"
131 #elif defined (BFIN_ASM)
132 #include "fixed_bfin.h"
133 #endif
134 
135 #endif
136 
137 
138 #else
139 
140 typedef float spx_mem_t;
141 typedef float spx_coef_t;
142 typedef float spx_lsp_t;
143 typedef float spx_sig_t;
144 typedef float spx_word16_t;
145 typedef float spx_word32_t;
146 
147 #define Q15ONE 1.0f
148 #define LPC_SCALING  1.f
149 #define SIG_SCALING  1.f
150 #define LSP_SCALING  1.f
151 #define GAMMA_SCALING 1.f
152 #define GAIN_SCALING 1.f
153 #define GAIN_SCALING_1 1.f
154 
155 
156 #define VERY_SMALL 1e-15f
157 #define VERY_LARGE32 1e15f
158 #define VERY_LARGE16 1e15f
159 #define Q15_ONE ((spx_word16_t)1.f)
160 
161 #define QCONST16(x,bits) (x)
162 #define QCONST32(x,bits) (x)
163 
164 #define NEG16(x) (-(x))
165 #define NEG32(x) (-(x))
166 #define EXTRACT16(x) (x)
167 #define EXTEND32(x) (x)
168 #define SHR16(a,shift) (a)
169 #define SHL16(a,shift) (a)
170 #define SHR32(a,shift) (a)
171 #define SHL32(a,shift) (a)
172 #define PSHR16(a,shift) (a)
173 #define PSHR32(a,shift) (a)
174 #define VSHR32(a,shift) (a)
175 #define SATURATE16(x,a) (x)
176 #define SATURATE32(x,a) (x)
177 
178 #define PSHR(a,shift)       (a)
179 #define SHR(a,shift)       (a)
180 #define SHL(a,shift)       (a)
181 #define SATURATE(x,a) (x)
182 
183 #define ADD16(a,b) ((a)+(b))
184 #define SUB16(a,b) ((a)-(b))
185 #define ADD32(a,b) ((a)+(b))
186 #define SUB32(a,b) ((a)-(b))
187 #define MULT16_16_16(a,b)     ((a)*(b))
188 #define MULT16_16(a,b)     ((spx_word32_t)(a)*(spx_word32_t)(b))
189 #define MAC16_16(c,a,b)     ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
190 
191 #define MULT16_32_Q11(a,b)     ((a)*(b))
192 #define MULT16_32_Q13(a,b)     ((a)*(b))
193 #define MULT16_32_Q14(a,b)     ((a)*(b))
194 #define MULT16_32_Q15(a,b)     ((a)*(b))
195 #define MULT16_32_P15(a,b)     ((a)*(b))
196 
197 #define MAC16_32_Q11(c,a,b)     ((c)+(a)*(b))
198 #define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
199 
200 #define MAC16_16_Q11(c,a,b)     ((c)+(a)*(b))
201 #define MAC16_16_Q13(c,a,b)     ((c)+(a)*(b))
202 #define MAC16_16_P13(c,a,b)     ((c)+(a)*(b))
203 #define MULT16_16_Q11_32(a,b)     ((a)*(b))
204 #define MULT16_16_Q13(a,b)     ((a)*(b))
205 #define MULT16_16_Q14(a,b)     ((a)*(b))
206 #define MULT16_16_Q15(a,b)     ((a)*(b))
207 #define MULT16_16_P15(a,b)     ((a)*(b))
208 #define MULT16_16_P13(a,b)     ((a)*(b))
209 #define MULT16_16_P14(a,b)     ((a)*(b))
210 
211 #define DIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
212 #define PDIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
213 #define DIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
214 #define PDIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
215 
216 
217 #endif
218 
219 
220 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
221 
222 /* 2 on TI C5x DSP */
223 #define BYTES_PER_CHAR 2
224 #define BITS_PER_CHAR 16
225 #define LOG2_BITS_PER_CHAR 4
226 
227 #else
228 
229 #define BYTES_PER_CHAR 1
230 #define BITS_PER_CHAR 8
231 #define LOG2_BITS_PER_CHAR 3
232 
233 #endif
234 
235 
236 
237 #ifdef FIXED_DEBUG
238 extern long long spx_mips;
239 #endif
240 
241 
242 #endif
243