Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 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 | |