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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 
38 #ifndef SPEEX_VERSION
39 #define SPEEX_MAJOR_VERSION 1         /**< Major Speex version. */
40 #define SPEEX_MINOR_VERSION 1         /**< Minor Speex version. */
41 #define SPEEX_MICRO_VERSION 15        /**< Micro Speex version. */
42 #define SPEEX_EXTRA_VERSION ""        /**< Extra Speex version. */
43 #define SPEEX_VERSION "speex-1.2beta3"  /**< Speex version string. */
44 #endif
45 
46 /* A couple test to catch stupid option combinations */
47 #ifdef FIXED_POINT
48 
49 #ifdef FLOATING_POINT
50 #error You cannot compile as floating point and fixed point at the same time
51 #endif
52 #ifdef _USE_SSE
53 #error SSE is only for floating-point
54 #endif
55 #if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
56 #error Make up your mind. What CPU do you have?
57 #endif
58 #ifdef VORBIS_PSYCHO
59 #error Vorbis-psy model currently not implemented in fixed-point
60 #endif
61 
62 #else
63 
64 #ifndef FLOATING_POINT
65 #error You now need to define either FIXED_POINT or FLOATING_POINT
66 #endif
67 #if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
68 #error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
69 #endif
70 #ifdef FIXED_POINT_DEBUG
71 #error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
72 #endif
73 
74 
75 #endif
76 
77 #ifndef OUTSIDE_SPEEX
78 #include "speex/speex_types.h"
79 #endif
80 
81 #define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */
82 #define ABS16(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 16-bit value.  */
83 #define MIN16(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
84 #define MAX16(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
85 #define ABS32(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 32-bit value.  */
86 #define MIN32(a,b) ((a) < (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
87 #define MAX32(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
88 
89 #ifdef FIXED_POINT
90 
91 typedef spx_int16_t spx_word16_t;
92 typedef spx_int32_t   spx_word32_t;
93 typedef spx_word32_t spx_mem_t;
94 typedef spx_word16_t spx_coef_t;
95 typedef spx_word16_t spx_lsp_t;
96 typedef spx_word32_t spx_sig_t;
97 
98 #define Q15ONE 32767
99 
100 #define LPC_SCALING  8192
101 #define SIG_SCALING  16384
102 #define LSP_SCALING  8192.
103 #define GAMMA_SCALING 32768.
104 #define GAIN_SCALING 64
105 #define GAIN_SCALING_1 0.015625
106 
107 #define LPC_SHIFT    13
108 #define LSP_SHIFT    13
109 #define SIG_SHIFT    14
110 #define GAIN_SHIFT   6
111 
112 #define VERY_SMALL 0
113 #define VERY_LARGE32 ((spx_word32_t)2147483647)
114 #define VERY_LARGE16 ((spx_word16_t)32767)
115 #define Q15_ONE ((spx_word16_t)32767)
116 
117 
118 #ifdef FIXED_DEBUG
119 #include "fixed_debug.h"
120 #else
121 
122 #include "fixed_generic.h"
123 
124 #ifdef ARM5E_ASM
125 #include "fixed_arm5e.h"
126 #elif defined (ARM4_ASM)
127 #include "fixed_arm4.h"
128 #elif defined (BFIN_ASM)
129 #include "fixed_bfin.h"
130 #endif
131 
132 #endif
133 
134 
135 #else
136 
137 typedef float spx_mem_t;
138 typedef float spx_coef_t;
139 typedef float spx_lsp_t;
140 typedef float spx_sig_t;
141 typedef float spx_word16_t;
142 typedef float spx_word32_t;
143 
144 #define Q15ONE 1.0f
145 #define LPC_SCALING  1.f
146 #define SIG_SCALING  1.f
147 #define LSP_SCALING  1.f
148 #define GAMMA_SCALING 1.f
149 #define GAIN_SCALING 1.f
150 #define GAIN_SCALING_1 1.f
151 
152 
153 #define VERY_SMALL 1e-15f
154 #define VERY_LARGE32 1e15f
155 #define VERY_LARGE16 1e15f
156 #define Q15_ONE ((spx_word16_t)1.f)
157 
158 #define QCONST16(x,bits) (x)
159 #define QCONST32(x,bits) (x)
160 
161 #define NEG16(x) (-(x))
162 #define NEG32(x) (-(x))
163 #define EXTRACT16(x) (x)
164 #define EXTEND32(x) (x)
165 #define SHR16(a,shift) (a)
166 #define SHL16(a,shift) (a)
167 #define SHR32(a,shift) (a)
168 #define SHL32(a,shift) (a)
169 #define PSHR16(a,shift) (a)
170 #define PSHR32(a,shift) (a)
171 #define VSHR32(a,shift) (a)
172 #define SATURATE16(x,a) (x)
173 #define SATURATE32(x,a) (x)
174 #define SATURATE32PSHR(x,shift,a) (x)
175 
176 #define PSHR(a,shift)       (a)
177 #define SHR(a,shift)       (a)
178 #define SHL(a,shift)       (a)
179 #define SATURATE(x,a) (x)
180 
181 #define ADD16(a,b) ((a)+(b))
182 #define SUB16(a,b) ((a)-(b))
183 #define ADD32(a,b) ((a)+(b))
184 #define SUB32(a,b) ((a)-(b))
185 #define MULT16_16_16(a,b)     ((a)*(b))
186 #define MULT16_16(a,b)     ((spx_word32_t)(a)*(spx_word32_t)(b))
187 #define MAC16_16(c,a,b)     ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
188 
189 #define MULT16_32_Q11(a,b)     ((a)*(b))
190 #define MULT16_32_Q13(a,b)     ((a)*(b))
191 #define MULT16_32_Q14(a,b)     ((a)*(b))
192 #define MULT16_32_Q15(a,b)     ((a)*(b))
193 #define MULT16_32_P15(a,b)     ((a)*(b))
194 
195 #define MAC16_32_Q11(c,a,b)     ((c)+(a)*(b))
196 #define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
197 
198 #define MAC16_16_Q11(c,a,b)     ((c)+(a)*(b))
199 #define MAC16_16_Q13(c,a,b)     ((c)+(a)*(b))
200 #define MAC16_16_P13(c,a,b)     ((c)+(a)*(b))
201 #define MULT16_16_Q11_32(a,b)     ((a)*(b))
202 #define MULT16_16_Q13(a,b)     ((a)*(b))
203 #define MULT16_16_Q14(a,b)     ((a)*(b))
204 #define MULT16_16_Q15(a,b)     ((a)*(b))
205 #define MULT16_16_P15(a,b)     ((a)*(b))
206 #define MULT16_16_P13(a,b)     ((a)*(b))
207 #define MULT16_16_P14(a,b)     ((a)*(b))
208 
209 #define DIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
210 #define PDIV32_16(a,b)     (((spx_word32_t)(a))/(spx_word16_t)(b))
211 #define DIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
212 #define PDIV32(a,b)     (((spx_word32_t)(a))/(spx_word32_t)(b))
213 
214 
215 #endif
216 
217 
218 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
219 
220 /* 2 on TI C5x DSP */
221 #define BYTES_PER_CHAR 2
222 #define BITS_PER_CHAR 16
223 #define LOG2_BITS_PER_CHAR 4
224 
225 #else
226 
227 #define BYTES_PER_CHAR 1
228 #define BITS_PER_CHAR 8
229 #define LOG2_BITS_PER_CHAR 3
230 
231 #endif
232 
233 
234 
235 #ifdef FIXED_DEBUG
236 extern long long spx_mips;
237 #endif
238 
239 
240 #endif
241