third_party/speex/libspeex/os_support.h

   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