1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12#ifndef VPX_MEM_VPX_MEM_H_ 13#define VPX_MEM_VPX_MEM_H_ 14 15#include "vpx_config.h" 16#if defined(__uClinux__) 17# include <lddk.h> 18#endif 19 20/* vpx_mem version info */ 21#define vpx_mem_version "2.2.1.5" 22 23#define VPX_MEM_VERSION_CHIEF 2 24#define VPX_MEM_VERSION_MAJOR 2 25#define VPX_MEM_VERSION_MINOR 1 26#define VPX_MEM_VERSION_PATCH 5 27/* end - vpx_mem version info */ 28 29#ifndef VPX_TRACK_MEM_USAGE 30# define VPX_TRACK_MEM_USAGE 0 /* enable memory tracking/integrity checks */ 31#endif 32#ifndef VPX_CHECK_MEM_FUNCTIONS 33# define VPX_CHECK_MEM_FUNCTIONS 0 /* enable basic safety checks in _memcpy, 34_memset, and _memmove */ 35#endif 36#ifndef REPLACE_BUILTIN_FUNCTIONS 37# define REPLACE_BUILTIN_FUNCTIONS 0 /* replace builtin functions with their 38vpx_ equivalents */ 39#endif 40 41#include <stdlib.h> 42#include <stddef.h> 43 44#if defined(__cplusplus) 45extern "C" { 46#endif 47 48 /* 49 vpx_mem_get_version() 50 provided for runtime version checking. Returns an unsigned int of the form 51 CHIEF | MAJOR | MINOR | PATCH, where the chief version number is the high 52 order byte. 53 */ 54 unsigned int vpx_mem_get_version(void); 55 56 /* 57 vpx_mem_set_heap_size(size_t size) 58 size - size in bytes for the memory manager to allocate for its heap 59 Sets the memory manager's initial heap size 60 Return: 61 0: on success 62 -1: if memory manager calls have not been included in the vpx_mem lib 63 -2: if the memory manager has been compiled to use static memory 64 -3: if the memory manager has already allocated its heap 65 */ 66 int vpx_mem_set_heap_size(size_t size); 67 68 void *vpx_memalign(size_t align, size_t size); 69 void *vpx_malloc(size_t size); 70 void *vpx_calloc(size_t num, size_t size); 71 void *vpx_realloc(void *memblk, size_t size); 72 void vpx_free(void *memblk); 73 74 void *vpx_memcpy(void *dest, const void *src, size_t length); 75 void *vpx_memset(void *dest, int val, size_t length); 76#if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH 77 void *vpx_memset16(void *dest, int val, size_t length); 78#endif 79 void *vpx_memmove(void *dest, const void *src, size_t count); 80 81 /* special memory functions */ 82 void *vpx_mem_alloc(int id, size_t size, size_t align); 83 void vpx_mem_free(int id, void *mem, size_t size); 84 85 /* Wrappers to standard library functions. */ 86 typedef void *(* g_malloc_func)(size_t); 87 typedef void *(* g_calloc_func)(size_t, size_t); 88 typedef void *(* g_realloc_func)(void *, size_t); 89 typedef void (* g_free_func)(void *); 90 typedef void *(* g_memcpy_func)(void *, const void *, size_t); 91 typedef void *(* g_memset_func)(void *, int, size_t); 92 typedef void *(* g_memmove_func)(void *, const void *, size_t); 93 94 int vpx_mem_set_functions(g_malloc_func g_malloc_l 95, g_calloc_func g_calloc_l 96, g_realloc_func g_realloc_l 97, g_free_func g_free_l 98, g_memcpy_func g_memcpy_l 99, g_memset_func g_memset_l 100, g_memmove_func g_memmove_l); 101 int vpx_mem_unset_functions(void); 102 103 104 /* some defines for backward compatibility */ 105#define DMEM_GENERAL 0 106 107// (*)< 108 109#if REPLACE_BUILTIN_FUNCTIONS 110# ifndef __VPX_MEM_C__ 111# define memalign vpx_memalign 112# define malloc vpx_malloc 113# define calloc vpx_calloc 114# define realloc vpx_realloc 115# define free vpx_free 116# define memcpy vpx_memcpy 117# define memmove vpx_memmove 118# define memset vpx_memset 119# endif 120#endif 121 122#if CONFIG_MEM_TRACKER 123#include <stdarg.h> 124 /*from vpx_mem/vpx_mem_tracker.c*/ 125 extern void vpx_memory_tracker_dump(); 126 extern void vpx_memory_tracker_check_integrity(char *file, unsigned int line); 127 extern int vpx_memory_tracker_set_log_type(int type, char *option); 128 extern int vpx_memory_tracker_set_log_func(void *userdata, 129 void(*logfunc)(void *userdata, 130 const char *fmt, va_list args)); 131# ifndef __VPX_MEM_C__ 132# define vpx_memalign(align, size) xvpx_memalign((align), (size), __FILE__, __LINE__) 133# define vpx_malloc(size) xvpx_malloc((size), __FILE__, __LINE__) 134# define vpx_calloc(num, size) xvpx_calloc(num, size, __FILE__, __LINE__) 135# define vpx_realloc(addr, size) xvpx_realloc(addr, size, __FILE__, __LINE__) 136# define vpx_free(addr) xvpx_free(addr, __FILE__, __LINE__) 137# define vpx_memory_tracker_check_integrity() vpx_memory_tracker_check_integrity(__FILE__, __LINE__) 138# define vpx_mem_alloc(id,size,align) xvpx_mem_alloc(id, size, align, __FILE__, __LINE__) 139# define vpx_mem_free(id,mem,size) xvpx_mem_free(id, mem, size, __FILE__, __LINE__) 140# endif 141 142 void *xvpx_memalign(size_t align, size_t size, char *file, int line); 143 void *xvpx_malloc(size_t size, char *file, int line); 144 void *xvpx_calloc(size_t num, size_t size, char *file, int line); 145 void *xvpx_realloc(void *memblk, size_t size, char *file, int line); 146 void xvpx_free(void *memblk, char *file, int line); 147 void *xvpx_mem_alloc(int id, size_t size, size_t align, char *file, int line); 148 void xvpx_mem_free(int id, void *mem, size_t size, char *file, int line); 149 150#else 151# ifndef __VPX_MEM_C__ 152# define vpx_memory_tracker_dump() 153# define vpx_memory_tracker_check_integrity() 154# define vpx_memory_tracker_set_log_type(t,o) 0 155# define vpx_memory_tracker_set_log_func(u,f) 0 156# endif 157#endif 158 159#if !VPX_CHECK_MEM_FUNCTIONS 160# ifndef __VPX_MEM_C__ 161# include <string.h> 162# define vpx_memcpy memcpy 163# define vpx_memset memset 164# define vpx_memmove memmove 165# endif 166#endif 167 168#ifdef VPX_MEM_PLTFRM 169# include VPX_MEM_PLTFRM 170#endif 171 172#if defined(__cplusplus) 173} 174#endif 175 176#endif // VPX_MEM_VPX_MEM_H_ 177