apps/codecs/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 "config-speex.h"
  38 #include "rockbox.h"
  39
  40 #include <string.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43
  44 /** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_free
  45     NOTE: speex_alloc needs to CLEAR THE MEMORY */
  46 #ifndef OVERRIDE_SPEEX_ALLOC
  47 static inline void *speex_alloc (int size)
  48 {
  49    /* WARNING: this is not equivalent to malloc(). If you want to use malloc()
  50       or your own allocator, YOU NEED TO CLEAR THE MEMORY ALLOCATED. Otherwise
  51       you will experience strange bugs */
  52    return calloc(size,1);
  53 }
  54 #endif
  55
  56 /** Same as speex_alloc, except that the area is only needed inside a Speex call (might cause problem with wideband though) */
  57 #ifndef OVERRIDE_SPEEX_ALLOC_SCRATCH
  58 static inline void *speex_alloc_scratch (int size)
  59 {
  60    /* Scratch space doesn't need to be cleared */
  61    return calloc(size,1);
  62 }
  63 #endif
  64
  65 /** Speex wrapper for realloc. To do your own dynamic allocation, all you need to do is replace this function, speex_alloc and speex_free */
  66 #ifndef OVERRIDE_SPEEX_REALLOC
  67 static inline void *speex_realloc (void *ptr, int size)
  68 {
  69    return realloc(ptr, size);
  70 }
  71 #endif
  72
  73 /** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_alloc */
  74 #ifndef OVERRIDE_SPEEX_FREE
  75 static inline void speex_free (void *ptr)
  76 {
  77    free(ptr);
  78 }
  79 #endif
  80
  81 /** Same as speex_free, except that the area is only needed inside a Speex call (might cause problem with wideband though) */
  82 #ifndef OVERRIDE_SPEEX_FREE_SCRATCH
  83 static inline void speex_free_scratch (void *ptr)
  84 {
  85    free(ptr);
  86 }
  87 #endif
  88
  89 /** Copy n bytes of memory from src to dst. The 0* term provides compile-time type checking  */
  90 #ifndef OVERRIDE_SPEEX_COPY
  91 #define SPEEX_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
  92 #endif
  93
  94 /** Copy n bytes of memory from src to dst, allowing overlapping regions. The 0* term
  95     provides compile-time type checking */
  96 #ifndef OVERRIDE_SPEEX_MOVE
  97 #define SPEEX_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
  98 #endif
  99
 100 /** Set n bytes of memory to value of c, starting at address s */
 101 #ifndef OVERRIDE_SPEEX_MEMSET
 102 #define SPEEX_MEMSET(dst, c, n) (memset((dst), (c), (n)*sizeof(*(dst))))
 103 #endif
 104
 105
 106 #ifndef OVERRIDE_SPEEX_FATAL
 107 static inline void _speex_fatal(const char *str, const char *file, int line)
 108 {
 109    fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
 110    exit(1);
 111 }
 112 #endif
 113
 114 #ifndef OVERRIDE_SPEEX_WARNING
 115 static inline void speex_warning(const char *str)
 116 {
 117 #ifndef DISABLE_WARNINGS
 118    fprintf (stderr, "warning: %s\n", str);
 119 #endif
 120 }
 121 #endif
 122
 123 #ifndef OVERRIDE_SPEEX_WARNING_INT
 124 static inline void speex_warning_int(const char *str, int val)
 125 {
 126 #ifndef DISABLE_WARNINGS
 127    fprintf (stderr, "warning: %s %d\n", str, val);
 128 #endif
 129 }
 130 #endif
 131
 132 #ifndef OVERRIDE_SPEEX_NOTIFY
 133 static inline void speex_notify(const char *str)
 134 {
 135 #ifndef DISABLE_NOTIFICATIONS
 136    fprintf (stderr, "notification: %s\n", str);
 137 #endif
 138 }
 139 #endif
 140
 141 #ifndef OVERRIDE_SPEEX_PUTC
 142 /** Speex wrapper for putc */
 143 static inline void _speex_putc(int ch, void *file)
 144 {
 145    FILE *f = (FILE *)file;
 146    fprintf(f, "%c", ch);
 147 }
 148 #endif
 149
 150 #define speex_fatal(str) _speex_fatal(str, __FILE__, __LINE__);
 151 #define speex_assert(cond) {if (!(cond)) {speex_fatal("assertion failed: " #cond);}}
 152
 153 #ifndef RELEASE
 154 static inline void print_vec(float *vec, int len, char *name)
 155 {
 156    int i;
 157    printf ("%s ", name);
 158    for (i=0;i<len;i++)
 159       printf (" %f", vec[i]);
 160    printf ("\n");
 161 }
 162 #endif
 163
 164 #endif
 165