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 to 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 type checking */ 94 #ifndef OVERRIDE_SPEEX_COPY 95 #define SPEEX_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(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, str); 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 169 170
