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| 1 /* Copyright (C) 2007 Jean-Marc Valin |
| 2 |
| 3 File: os_support.h |
| 4 This is the (tiny) OS abstraction layer. Aside from math.h, this is the |
| 5 only place where system headers are allowed. |
| 6 |
| 7 Redistribution and use in source and binary forms, with or without |
| 8 modification, are permitted provided that the following conditions are |
| 9 met: |
| 10 |
| 11 1. Redistributions of source code must retain the above copyright notice, |
| 12 this list of conditions and the following disclaimer. |
| 13 |
| 14 2. 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 3. The name of the author may not be used to endorse or promote products |
| 19 derived from this software without specific prior written permission. |
| 20 |
| 21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 23 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 24 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 25 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 29 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 30 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 31 POSSIBILITY OF SUCH DAMAGE. |
| 32 */ |
| 33 |
| 34 #ifndef OS_SUPPORT_H |
| 35 #define OS_SUPPORT_H |
| 36 |
| 37 #include <string.h> |
| 38 #include <stdio.h> |
| 39 #include <stdlib.h> |
| 40 |
| 41 #ifdef HAVE_CONFIG_H |
| 42 #include "config.h" |
| 43 #endif |
| 44 #ifdef OS_SUPPORT_CUSTOM |
| 45 #include "os_support_custom.h" |
| 46 #endif |
| 47 |
| 48 /** Speex wrapper for calloc. To do your own dynamic allocation, all you need to
do is replace this function, speex_realloc and speex_free |
| 49 NOTE: speex_alloc needs to CLEAR THE MEMORY */ |
| 50 #ifndef OVERRIDE_SPEEX_ALLOC |
| 51 static inline void *speex_alloc (int size) |
| 52 { |
| 53 /* WARNING: this is not equivalent to malloc(). If you want to use malloc() |
| 54 or your own allocator, YOU NEED TO CLEAR THE MEMORY ALLOCATED. Otherwise |
| 55 you will experience strange bugs */ |
| 56 return calloc(size,1); |
| 57 } |
| 58 #endif |
| 59 |
| 60 /** Same as speex_alloc, except that the area is only needed inside a Speex call
(might cause problem with wideband though) */ |
| 61 #ifndef OVERRIDE_SPEEX_ALLOC_SCRATCH |
| 62 static inline void *speex_alloc_scratch (int size) |
| 63 { |
| 64 /* Scratch space doesn't need to be cleared */ |
| 65 return calloc(size,1); |
| 66 } |
| 67 #endif |
| 68 |
| 69 /** Speex wrapper for realloc. To do your own dynamic allocation, all you need t
o do is replace this function, speex_alloc and speex_free */ |
| 70 #ifndef OVERRIDE_SPEEX_REALLOC |
| 71 static inline void *speex_realloc (void *ptr, int size) |
| 72 { |
| 73 return realloc(ptr, size); |
| 74 } |
| 75 #endif |
| 76 |
| 77 /** Speex wrapper for calloc. To do your own dynamic allocation, all you need to
do is replace this function, speex_realloc and speex_alloc */ |
| 78 #ifndef OVERRIDE_SPEEX_FREE |
| 79 static inline void speex_free (void *ptr) |
| 80 { |
| 81 free(ptr); |
| 82 } |
| 83 #endif |
| 84 |
| 85 /** Same as speex_free, except that the area is only needed inside a Speex call
(might cause problem with wideband though) */ |
| 86 #ifndef OVERRIDE_SPEEX_FREE_SCRATCH |
| 87 static inline void speex_free_scratch (void *ptr) |
| 88 { |
| 89 free(ptr); |
| 90 } |
| 91 #endif |
| 92 |
| 93 /** Copy n bytes of memory from src to dst. The 0* term provides compile-time ty
pe checking */ |
| 94 #ifndef OVERRIDE_SPEEX_COPY |
| 95 #define SPEEX_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((d
st)-(src)) )) |
| 96 #endif |
| 97 |
| 98 /** Copy n bytes of memory from src to dst, allowing overlapping regions. The 0*
term |
| 99 provides compile-time type checking */ |
| 100 #ifndef OVERRIDE_SPEEX_MOVE |
| 101 #define SPEEX_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((
dst)-(src)) )) |
| 102 #endif |
| 103 |
| 104 /** Set n bytes of memory to value of c, starting at address s */ |
| 105 #ifndef OVERRIDE_SPEEX_MEMSET |
| 106 #define SPEEX_MEMSET(dst, c, n) (memset((dst), (c), (n)*sizeof(*(dst)))) |
| 107 #endif |
| 108 |
| 109 |
| 110 #ifndef OVERRIDE_SPEEX_FATAL |
| 111 static inline void _speex_fatal(const char *str, const char *file, int line) |
| 112 { |
| 113 fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, s
tr); |
| 114 exit(1); |
| 115 } |
| 116 #endif |
| 117 |
| 118 #ifndef OVERRIDE_SPEEX_WARNING |
| 119 static inline void speex_warning(const char *str) |
| 120 { |
| 121 #ifndef DISABLE_WARNINGS |
| 122 fprintf (stderr, "warning: %s\n", str); |
| 123 #endif |
| 124 } |
| 125 #endif |
| 126 |
| 127 #ifndef OVERRIDE_SPEEX_WARNING_INT |
| 128 static inline void speex_warning_int(const char *str, int val) |
| 129 { |
| 130 #ifndef DISABLE_WARNINGS |
| 131 fprintf (stderr, "warning: %s %d\n", str, val); |
| 132 #endif |
| 133 } |
| 134 #endif |
| 135 |
| 136 #ifndef OVERRIDE_SPEEX_NOTIFY |
| 137 static inline void speex_notify(const char *str) |
| 138 { |
| 139 #ifndef DISABLE_NOTIFICATIONS |
| 140 fprintf (stderr, "notification: %s\n", str); |
| 141 #endif |
| 142 } |
| 143 #endif |
| 144 |
| 145 #ifndef OVERRIDE_SPEEX_PUTC |
| 146 /** Speex wrapper for putc */ |
| 147 static inline void _speex_putc(int ch, void *file) |
| 148 { |
| 149 FILE *f = (FILE *)file; |
| 150 fprintf(f, "%c", ch); |
| 151 } |
| 152 #endif |
| 153 |
| 154 #define speex_fatal(str) _speex_fatal(str, __FILE__, __LINE__); |
| 155 #define speex_assert(cond) {if (!(cond)) {speex_fatal("assertion failed: " #cond
);}} |
| 156 |
| 157 #ifndef RELEASE |
| 158 static inline void print_vec(float *vec, int len, char *name) |
| 159 { |
| 160 int i; |
| 161 printf ("%s ", name); |
| 162 for (i=0;i<len;i++) |
| 163 printf (" %f", vec[i]); |
| 164 printf ("\n"); |
| 165 } |
| 166 #endif |
| 167 |
| 168 #endif |
| 169 |
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