1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vpx_mem/vpx_mem.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,657 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +
1.15 +#define __VPX_MEM_C__
1.16 +
1.17 +#include "vpx_mem.h"
1.18 +#include <stdio.h>
1.19 +#include <stdlib.h>
1.20 +#include <string.h>
1.21 +#include "include/vpx_mem_intrnl.h"
1.22 +
1.23 +#if CONFIG_MEM_TRACKER
1.24 +#ifndef VPX_NO_GLOBALS
1.25 +static unsigned long g_alloc_count = 0;
1.26 +#else
1.27 +#include "vpx_global_handling.h"
1.28 +#define g_alloc_count vpxglobalm(vpxmem,g_alloc_count)
1.29 +#endif
1.30 +#endif
1.31 +
1.32 +#if CONFIG_MEM_MANAGER
1.33 +# include "heapmm.h"
1.34 +# include "hmm_intrnl.h"
1.35 +
1.36 +# define SHIFT_HMM_ADDR_ALIGN_UNIT 5
1.37 +# define TOTAL_MEMORY_TO_ALLOCATE 20971520 /* 20 * 1024 * 1024 */
1.38 +
1.39 +# define MM_DYNAMIC_MEMORY 1
1.40 +# if MM_DYNAMIC_MEMORY
1.41 +static unsigned char *g_p_mng_memory_raw = NULL;
1.42 +static unsigned char *g_p_mng_memory = NULL;
1.43 +# else
1.44 +static unsigned char g_p_mng_memory[TOTAL_MEMORY_TO_ALLOCATE];
1.45 +# endif
1.46 +
1.47 +static size_t g_mm_memory_size = TOTAL_MEMORY_TO_ALLOCATE;
1.48 +
1.49 +static hmm_descriptor hmm_d;
1.50 +static int g_mng_memory_allocated = 0;
1.51 +
1.52 +static int vpx_mm_create_heap_memory();
1.53 +static void *vpx_mm_realloc(void *memblk, size_t size);
1.54 +#endif /*CONFIG_MEM_MANAGER*/
1.55 +
1.56 +#if USE_GLOBAL_FUNCTION_POINTERS
1.57 +struct GLOBAL_FUNC_POINTERS {
1.58 + g_malloc_func g_malloc;
1.59 + g_calloc_func g_calloc;
1.60 + g_realloc_func g_realloc;
1.61 + g_free_func g_free;
1.62 + g_memcpy_func g_memcpy;
1.63 + g_memset_func g_memset;
1.64 + g_memmove_func g_memmove;
1.65 +} *g_func = NULL;
1.66 +
1.67 +# define VPX_MALLOC_L g_func->g_malloc
1.68 +# define VPX_REALLOC_L g_func->g_realloc
1.69 +# define VPX_FREE_L g_func->g_free
1.70 +# define VPX_MEMCPY_L g_func->g_memcpy
1.71 +# define VPX_MEMSET_L g_func->g_memset
1.72 +# define VPX_MEMMOVE_L g_func->g_memmove
1.73 +#else
1.74 +# define VPX_MALLOC_L malloc
1.75 +# define VPX_REALLOC_L realloc
1.76 +# define VPX_FREE_L free
1.77 +# define VPX_MEMCPY_L memcpy
1.78 +# define VPX_MEMSET_L memset
1.79 +# define VPX_MEMMOVE_L memmove
1.80 +#endif /* USE_GLOBAL_FUNCTION_POINTERS */
1.81 +
1.82 +unsigned int vpx_mem_get_version() {
1.83 + unsigned int ver = ((unsigned int)(unsigned char)VPX_MEM_VERSION_CHIEF << 24 |
1.84 + (unsigned int)(unsigned char)VPX_MEM_VERSION_MAJOR << 16 |
1.85 + (unsigned int)(unsigned char)VPX_MEM_VERSION_MINOR << 8 |
1.86 + (unsigned int)(unsigned char)VPX_MEM_VERSION_PATCH);
1.87 + return ver;
1.88 +}
1.89 +
1.90 +int vpx_mem_set_heap_size(size_t size) {
1.91 + int ret = -1;
1.92 +
1.93 +#if CONFIG_MEM_MANAGER
1.94 +#if MM_DYNAMIC_MEMORY
1.95 +
1.96 + if (!g_mng_memory_allocated && size) {
1.97 + g_mm_memory_size = size;
1.98 + ret = 0;
1.99 + } else
1.100 + ret = -3;
1.101 +
1.102 +#else
1.103 + ret = -2;
1.104 +#endif
1.105 +#else
1.106 + (void)size;
1.107 +#endif
1.108 +
1.109 + return ret;
1.110 +}
1.111 +
1.112 +void *vpx_memalign(size_t align, size_t size) {
1.113 + void *addr,
1.114 + * x = NULL;
1.115 +
1.116 +#if CONFIG_MEM_MANAGER
1.117 + int number_aau;
1.118 +
1.119 + if (vpx_mm_create_heap_memory() < 0) {
1.120 + _P(printf("[vpx][mm] ERROR vpx_memalign() Couldn't create memory for Heap.\n");)
1.121 + }
1.122 +
1.123 + number_aau = ((size + align - 1 + ADDRESS_STORAGE_SIZE) >>
1.124 + SHIFT_HMM_ADDR_ALIGN_UNIT) + 1;
1.125 +
1.126 + addr = hmm_alloc(&hmm_d, number_aau);
1.127 +#else
1.128 + addr = VPX_MALLOC_L(size + align - 1 + ADDRESS_STORAGE_SIZE);
1.129 +#endif /*CONFIG_MEM_MANAGER*/
1.130 +
1.131 + if (addr) {
1.132 + x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, (int)align);
1.133 + /* save the actual malloc address */
1.134 + ((size_t *)x)[-1] = (size_t)addr;
1.135 + }
1.136 +
1.137 + return x;
1.138 +}
1.139 +
1.140 +void *vpx_malloc(size_t size) {
1.141 + return vpx_memalign(DEFAULT_ALIGNMENT, size);
1.142 +}
1.143 +
1.144 +void *vpx_calloc(size_t num, size_t size) {
1.145 + void *x;
1.146 +
1.147 + x = vpx_memalign(DEFAULT_ALIGNMENT, num * size);
1.148 +
1.149 + if (x)
1.150 + VPX_MEMSET_L(x, 0, num * size);
1.151 +
1.152 + return x;
1.153 +}
1.154 +
1.155 +void *vpx_realloc(void *memblk, size_t size) {
1.156 + void *addr,
1.157 + * new_addr = NULL;
1.158 + int align = DEFAULT_ALIGNMENT;
1.159 +
1.160 + /*
1.161 + The realloc() function changes the size of the object pointed to by
1.162 + ptr to the size specified by size, and returns a pointer to the
1.163 + possibly moved block. The contents are unchanged up to the lesser
1.164 + of the new and old sizes. If ptr is null, realloc() behaves like
1.165 + malloc() for the specified size. If size is zero (0) and ptr is
1.166 + not a null pointer, the object pointed to is freed.
1.167 + */
1.168 + if (!memblk)
1.169 + new_addr = vpx_malloc(size);
1.170 + else if (!size)
1.171 + vpx_free(memblk);
1.172 + else {
1.173 + addr = (void *)(((size_t *)memblk)[-1]);
1.174 + memblk = NULL;
1.175 +
1.176 +#if CONFIG_MEM_MANAGER
1.177 + new_addr = vpx_mm_realloc(addr, size + align + ADDRESS_STORAGE_SIZE);
1.178 +#else
1.179 + new_addr = VPX_REALLOC_L(addr, size + align + ADDRESS_STORAGE_SIZE);
1.180 +#endif
1.181 +
1.182 + if (new_addr) {
1.183 + addr = new_addr;
1.184 + new_addr = (void *)(((size_t)
1.185 + ((unsigned char *)new_addr + ADDRESS_STORAGE_SIZE) + (align - 1)) &
1.186 + (size_t) - align);
1.187 + /* save the actual malloc address */
1.188 + ((size_t *)new_addr)[-1] = (size_t)addr;
1.189 + }
1.190 + }
1.191 +
1.192 + return new_addr;
1.193 +}
1.194 +
1.195 +void vpx_free(void *memblk) {
1.196 + if (memblk) {
1.197 + void *addr = (void *)(((size_t *)memblk)[-1]);
1.198 +#if CONFIG_MEM_MANAGER
1.199 + hmm_free(&hmm_d, addr);
1.200 +#else
1.201 + VPX_FREE_L(addr);
1.202 +#endif
1.203 + }
1.204 +}
1.205 +
1.206 +#if CONFIG_MEM_TRACKER
1.207 +void *xvpx_memalign(size_t align, size_t size, char *file, int line) {
1.208 +#if TRY_BOUNDS_CHECK
1.209 + unsigned char *x_bounds;
1.210 +#endif
1.211 +
1.212 + void *x;
1.213 +
1.214 + if (g_alloc_count == 0) {
1.215 +#if TRY_BOUNDS_CHECK
1.216 + int i_rv = vpx_memory_tracker_init(BOUNDS_CHECK_PAD_SIZE, BOUNDS_CHECK_VALUE);
1.217 +#else
1.218 + int i_rv = vpx_memory_tracker_init(0, 0);
1.219 +#endif
1.220 +
1.221 + if (i_rv < 0) {
1.222 + _P(printf("ERROR xvpx_malloc MEM_TRACK_USAGE error vpx_memory_tracker_init().\n");)
1.223 + }
1.224 + }
1.225 +
1.226 +#if TRY_BOUNDS_CHECK
1.227 + {
1.228 + int i;
1.229 + unsigned int tempme = BOUNDS_CHECK_VALUE;
1.230 +
1.231 + x_bounds = vpx_memalign(align, size + (BOUNDS_CHECK_PAD_SIZE * 2));
1.232 +
1.233 + if (x_bounds) {
1.234 + /*we're aligning the address twice here but to keep things
1.235 + consistent we want to have the padding come before the stored
1.236 + address so no matter what free function gets called we will
1.237 + attempt to free the correct address*/
1.238 + x_bounds = (unsigned char *)(((size_t *)x_bounds)[-1]);
1.239 + x = align_addr(x_bounds + BOUNDS_CHECK_PAD_SIZE + ADDRESS_STORAGE_SIZE,
1.240 + (int)align);
1.241 + /* save the actual malloc address */
1.242 + ((size_t *)x)[-1] = (size_t)x_bounds;
1.243 +
1.244 + for (i = 0; i < BOUNDS_CHECK_PAD_SIZE; i += sizeof(unsigned int)) {
1.245 + VPX_MEMCPY_L(x_bounds + i, &tempme, sizeof(unsigned int));
1.246 + VPX_MEMCPY_L((unsigned char *)x + size + i,
1.247 + &tempme, sizeof(unsigned int));
1.248 + }
1.249 + } else
1.250 + x = NULL;
1.251 + }
1.252 +#else
1.253 + x = vpx_memalign(align, size);
1.254 +#endif /*TRY_BOUNDS_CHECK*/
1.255 +
1.256 + g_alloc_count++;
1.257 +
1.258 + vpx_memory_tracker_add((size_t)x, (unsigned int)size, file, line, 1);
1.259 +
1.260 + return x;
1.261 +}
1.262 +
1.263 +void *xvpx_malloc(size_t size, char *file, int line) {
1.264 + return xvpx_memalign(DEFAULT_ALIGNMENT, size, file, line);
1.265 +}
1.266 +
1.267 +void *xvpx_calloc(size_t num, size_t size, char *file, int line) {
1.268 + void *x = xvpx_memalign(DEFAULT_ALIGNMENT, num * size, file, line);
1.269 +
1.270 + if (x)
1.271 + VPX_MEMSET_L(x, 0, num * size);
1.272 +
1.273 + return x;
1.274 +}
1.275 +
1.276 +void *xvpx_realloc(void *memblk, size_t size, char *file, int line) {
1.277 + struct mem_block *p = NULL;
1.278 + int orig_size = 0,
1.279 + orig_line = 0;
1.280 + char *orig_file = NULL;
1.281 +
1.282 +#if TRY_BOUNDS_CHECK
1.283 + unsigned char *x_bounds = memblk ?
1.284 + (unsigned char *)(((size_t *)memblk)[-1]) :
1.285 + NULL;
1.286 +#endif
1.287 +
1.288 + void *x;
1.289 +
1.290 + if (g_alloc_count == 0) {
1.291 +#if TRY_BOUNDS_CHECK
1.292 +
1.293 + if (!vpx_memory_tracker_init(BOUNDS_CHECK_PAD_SIZE, BOUNDS_CHECK_VALUE))
1.294 +#else
1.295 + if (!vpx_memory_tracker_init(0, 0))
1.296 +#endif
1.297 + {
1.298 + _P(printf("ERROR xvpx_malloc MEM_TRACK_USAGE error vpx_memory_tracker_init().\n");)
1.299 + }
1.300 + }
1.301 +
1.302 + if ((p = vpx_memory_tracker_find((size_t)memblk))) {
1.303 + orig_size = p->size;
1.304 + orig_file = p->file;
1.305 + orig_line = p->line;
1.306 + }
1.307 +
1.308 +#if TRY_BOUNDS_CHECK_ON_FREE
1.309 + vpx_memory_tracker_check_integrity(file, line);
1.310 +#endif
1.311 +
1.312 + /* have to do this regardless of success, because
1.313 + * the memory that does get realloc'd may change
1.314 + * the bounds values of this block
1.315 + */
1.316 + vpx_memory_tracker_remove((size_t)memblk);
1.317 +
1.318 +#if TRY_BOUNDS_CHECK
1.319 + {
1.320 + int i;
1.321 + unsigned int tempme = BOUNDS_CHECK_VALUE;
1.322 +
1.323 + x_bounds = vpx_realloc(memblk, size + (BOUNDS_CHECK_PAD_SIZE * 2));
1.324 +
1.325 + if (x_bounds) {
1.326 + x_bounds = (unsigned char *)(((size_t *)x_bounds)[-1]);
1.327 + x = align_addr(x_bounds + BOUNDS_CHECK_PAD_SIZE + ADDRESS_STORAGE_SIZE,
1.328 + (int)DEFAULT_ALIGNMENT);
1.329 + /* save the actual malloc address */
1.330 + ((size_t *)x)[-1] = (size_t)x_bounds;
1.331 +
1.332 + for (i = 0; i < BOUNDS_CHECK_PAD_SIZE; i += sizeof(unsigned int)) {
1.333 + VPX_MEMCPY_L(x_bounds + i, &tempme, sizeof(unsigned int));
1.334 + VPX_MEMCPY_L((unsigned char *)x + size + i,
1.335 + &tempme, sizeof(unsigned int));
1.336 + }
1.337 + } else
1.338 + x = NULL;
1.339 + }
1.340 +#else
1.341 + x = vpx_realloc(memblk, size);
1.342 +#endif /*TRY_BOUNDS_CHECK*/
1.343 +
1.344 + if (!memblk) ++g_alloc_count;
1.345 +
1.346 + if (x)
1.347 + vpx_memory_tracker_add((size_t)x, (unsigned int)size, file, line, 1);
1.348 + else
1.349 + vpx_memory_tracker_add((size_t)memblk, orig_size, orig_file, orig_line, 1);
1.350 +
1.351 + return x;
1.352 +}
1.353 +
1.354 +void xvpx_free(void *p_address, char *file, int line) {
1.355 +#if TRY_BOUNDS_CHECK
1.356 + unsigned char *p_bounds_address = (unsigned char *)p_address;
1.357 + /*p_bounds_address -= BOUNDS_CHECK_PAD_SIZE;*/
1.358 +#endif
1.359 +
1.360 +#if !TRY_BOUNDS_CHECK_ON_FREE
1.361 + (void)file;
1.362 + (void)line;
1.363 +#endif
1.364 +
1.365 + if (p_address) {
1.366 +#if TRY_BOUNDS_CHECK_ON_FREE
1.367 + vpx_memory_tracker_check_integrity(file, line);
1.368 +#endif
1.369 +
1.370 + /* if the addr isn't found in the list, assume it was allocated via
1.371 + * vpx_ calls not xvpx_, therefore it does not contain any padding
1.372 + */
1.373 + if (vpx_memory_tracker_remove((size_t)p_address) == -2) {
1.374 + p_bounds_address = p_address;
1.375 + _P(fprintf(stderr, "[vpx_mem][xvpx_free] addr: %p not found in"
1.376 + " list; freed from file:%s"
1.377 + " line:%d\n", p_address, file, line));
1.378 + } else
1.379 + --g_alloc_count;
1.380 +
1.381 +#if TRY_BOUNDS_CHECK
1.382 + vpx_free(p_bounds_address);
1.383 +#else
1.384 + vpx_free(p_address);
1.385 +#endif
1.386 +
1.387 + if (!g_alloc_count)
1.388 + vpx_memory_tracker_destroy();
1.389 + }
1.390 +}
1.391 +
1.392 +#endif /*CONFIG_MEM_TRACKER*/
1.393 +
1.394 +#if CONFIG_MEM_CHECKS
1.395 +#if defined(VXWORKS)
1.396 +#include <task_lib.h> /*for task_delay()*/
1.397 +/* This function is only used to get a stack trace of the player
1.398 +object so we can se where we are having a problem. */
1.399 +static int get_my_tt(int task) {
1.400 + tt(task);
1.401 +
1.402 + return 0;
1.403 +}
1.404 +
1.405 +static void vx_sleep(int msec) {
1.406 + int ticks_to_sleep = 0;
1.407 +
1.408 + if (msec) {
1.409 + int msec_per_tick = 1000 / sys_clk_rate_get();
1.410 +
1.411 + if (msec < msec_per_tick)
1.412 + ticks_to_sleep++;
1.413 + else
1.414 + ticks_to_sleep = msec / msec_per_tick;
1.415 + }
1.416 +
1.417 + task_delay(ticks_to_sleep);
1.418 +}
1.419 +#endif
1.420 +#endif
1.421 +
1.422 +void *vpx_memcpy(void *dest, const void *source, size_t length) {
1.423 +#if CONFIG_MEM_CHECKS
1.424 +
1.425 + if (((int)dest < 0x4000) || ((int)source < 0x4000)) {
1.426 + _P(printf("WARNING: vpx_memcpy dest:0x%x source:0x%x len:%d\n", (int)dest, (int)source, length);)
1.427 +
1.428 +#if defined(VXWORKS)
1.429 + sp(get_my_tt, task_id_self(), 0, 0, 0, 0, 0, 0, 0, 0);
1.430 +
1.431 + vx_sleep(10000);
1.432 +#endif
1.433 + }
1.434 +
1.435 +#endif
1.436 +
1.437 + return VPX_MEMCPY_L(dest, source, length);
1.438 +}
1.439 +
1.440 +void *vpx_memset(void *dest, int val, size_t length) {
1.441 +#if CONFIG_MEM_CHECKS
1.442 +
1.443 + if ((int)dest < 0x4000) {
1.444 + _P(printf("WARNING: vpx_memset dest:0x%x val:%d len:%d\n", (int)dest, val, length);)
1.445 +
1.446 +#if defined(VXWORKS)
1.447 + sp(get_my_tt, task_id_self(), 0, 0, 0, 0, 0, 0, 0, 0);
1.448 +
1.449 + vx_sleep(10000);
1.450 +#endif
1.451 + }
1.452 +
1.453 +#endif
1.454 +
1.455 + return VPX_MEMSET_L(dest, val, length);
1.456 +}
1.457 +
1.458 +void *vpx_memmove(void *dest, const void *src, size_t count) {
1.459 +#if CONFIG_MEM_CHECKS
1.460 +
1.461 + if (((int)dest < 0x4000) || ((int)src < 0x4000)) {
1.462 + _P(printf("WARNING: vpx_memmove dest:0x%x src:0x%x count:%d\n", (int)dest, (int)src, count);)
1.463 +
1.464 +#if defined(VXWORKS)
1.465 + sp(get_my_tt, task_id_self(), 0, 0, 0, 0, 0, 0, 0, 0);
1.466 +
1.467 + vx_sleep(10000);
1.468 +#endif
1.469 + }
1.470 +
1.471 +#endif
1.472 +
1.473 + return VPX_MEMMOVE_L(dest, src, count);
1.474 +}
1.475 +
1.476 +#if CONFIG_MEM_MANAGER
1.477 +
1.478 +static int vpx_mm_create_heap_memory() {
1.479 + int i_rv = 0;
1.480 +
1.481 + if (!g_mng_memory_allocated) {
1.482 +#if MM_DYNAMIC_MEMORY
1.483 + g_p_mng_memory_raw =
1.484 + (unsigned char *)malloc(g_mm_memory_size + HMM_ADDR_ALIGN_UNIT);
1.485 +
1.486 + if (g_p_mng_memory_raw) {
1.487 + g_p_mng_memory = (unsigned char *)((((unsigned int)g_p_mng_memory_raw) +
1.488 + HMM_ADDR_ALIGN_UNIT - 1) &
1.489 + -(int)HMM_ADDR_ALIGN_UNIT);
1.490 +
1.491 + _P(printf("[vpx][mm] total memory size:%d g_p_mng_memory_raw:0x%x g_p_mng_memory:0x%x\n"
1.492 +, g_mm_memory_size + HMM_ADDR_ALIGN_UNIT
1.493 +, (unsigned int)g_p_mng_memory_raw
1.494 +, (unsigned int)g_p_mng_memory);)
1.495 + } else {
1.496 + _P(printf("[vpx][mm] Couldn't allocate memory:%d for vpx memory manager.\n"
1.497 +, g_mm_memory_size);)
1.498 +
1.499 + i_rv = -1;
1.500 + }
1.501 +
1.502 + if (g_p_mng_memory)
1.503 +#endif
1.504 + {
1.505 + int chunk_size = 0;
1.506 +
1.507 + g_mng_memory_allocated = 1;
1.508 +
1.509 + hmm_init(&hmm_d);
1.510 +
1.511 + chunk_size = g_mm_memory_size >> SHIFT_HMM_ADDR_ALIGN_UNIT;
1.512 +
1.513 + chunk_size -= DUMMY_END_BLOCK_BAUS;
1.514 +
1.515 + _P(printf("[vpx][mm] memory size:%d for vpx memory manager. g_p_mng_memory:0x%x chunk_size:%d\n"
1.516 +, g_mm_memory_size
1.517 +, (unsigned int)g_p_mng_memory
1.518 +, chunk_size);)
1.519 +
1.520 + hmm_new_chunk(&hmm_d, (void *)g_p_mng_memory, chunk_size);
1.521 + }
1.522 +
1.523 +#if MM_DYNAMIC_MEMORY
1.524 + else {
1.525 + _P(printf("[vpx][mm] Couldn't allocate memory:%d for vpx memory manager.\n"
1.526 +, g_mm_memory_size);)
1.527 +
1.528 + i_rv = -1;
1.529 + }
1.530 +
1.531 +#endif
1.532 + }
1.533 +
1.534 + return i_rv;
1.535 +}
1.536 +
1.537 +static void *vpx_mm_realloc(void *memblk, size_t size) {
1.538 + void *p_ret = NULL;
1.539 +
1.540 + if (vpx_mm_create_heap_memory() < 0) {
1.541 + _P(printf("[vpx][mm] ERROR vpx_mm_realloc() Couldn't create memory for Heap.\n");)
1.542 + } else {
1.543 + int i_rv = 0;
1.544 + int old_num_aaus;
1.545 + int new_num_aaus;
1.546 +
1.547 + old_num_aaus = hmm_true_size(memblk);
1.548 + new_num_aaus = (size >> SHIFT_HMM_ADDR_ALIGN_UNIT) + 1;
1.549 +
1.550 + if (old_num_aaus == new_num_aaus) {
1.551 + p_ret = memblk;
1.552 + } else {
1.553 + i_rv = hmm_resize(&hmm_d, memblk, new_num_aaus);
1.554 +
1.555 + if (i_rv == 0) {
1.556 + p_ret = memblk;
1.557 + } else {
1.558 + /* Error. Try to malloc and then copy data. */
1.559 + void *p_from_malloc;
1.560 +
1.561 + new_num_aaus = (size >> SHIFT_HMM_ADDR_ALIGN_UNIT) + 1;
1.562 + p_from_malloc = hmm_alloc(&hmm_d, new_num_aaus);
1.563 +
1.564 + if (p_from_malloc) {
1.565 + vpx_memcpy(p_from_malloc, memblk, size);
1.566 + hmm_free(&hmm_d, memblk);
1.567 +
1.568 + p_ret = p_from_malloc;
1.569 + }
1.570 + }
1.571 + }
1.572 + }
1.573 +
1.574 + return p_ret;
1.575 +}
1.576 +#endif /*CONFIG_MEM_MANAGER*/
1.577 +
1.578 +#if USE_GLOBAL_FUNCTION_POINTERS
1.579 +# if CONFIG_MEM_TRACKER
1.580 +extern int vpx_memory_tracker_set_functions(g_malloc_func g_malloc_l
1.581 +, g_calloc_func g_calloc_l
1.582 +, g_realloc_func g_realloc_l
1.583 +, g_free_func g_free_l
1.584 +, g_memcpy_func g_memcpy_l
1.585 +, g_memset_func g_memset_l
1.586 +, g_memmove_func g_memmove_l);
1.587 +# endif
1.588 +#endif /*USE_GLOBAL_FUNCTION_POINTERS*/
1.589 +int vpx_mem_set_functions(g_malloc_func g_malloc_l
1.590 +, g_calloc_func g_calloc_l
1.591 +, g_realloc_func g_realloc_l
1.592 +, g_free_func g_free_l
1.593 +, g_memcpy_func g_memcpy_l
1.594 +, g_memset_func g_memset_l
1.595 +, g_memmove_func g_memmove_l) {
1.596 +#if USE_GLOBAL_FUNCTION_POINTERS
1.597 +
1.598 + /* If use global functions is turned on then the
1.599 + application must set the global functions before
1.600 + it does anything else or vpx_mem will have
1.601 + unpredictable results. */
1.602 + if (!g_func) {
1.603 + g_func = (struct GLOBAL_FUNC_POINTERS *)
1.604 + g_malloc_l(sizeof(struct GLOBAL_FUNC_POINTERS));
1.605 +
1.606 + if (!g_func) {
1.607 + return -1;
1.608 + }
1.609 + }
1.610 +
1.611 +#if CONFIG_MEM_TRACKER
1.612 + {
1.613 + int rv = 0;
1.614 + rv = vpx_memory_tracker_set_functions(g_malloc_l
1.615 +, g_calloc_l
1.616 +, g_realloc_l
1.617 +, g_free_l
1.618 +, g_memcpy_l
1.619 +, g_memset_l
1.620 +, g_memmove_l);
1.621 +
1.622 + if (rv < 0) {
1.623 + return rv;
1.624 + }
1.625 + }
1.626 +#endif
1.627 +
1.628 + g_func->g_malloc = g_malloc_l;
1.629 + g_func->g_calloc = g_calloc_l;
1.630 + g_func->g_realloc = g_realloc_l;
1.631 + g_func->g_free = g_free_l;
1.632 + g_func->g_memcpy = g_memcpy_l;
1.633 + g_func->g_memset = g_memset_l;
1.634 + g_func->g_memmove = g_memmove_l;
1.635 +
1.636 + return 0;
1.637 +#else
1.638 + (void)g_malloc_l;
1.639 + (void)g_calloc_l;
1.640 + (void)g_realloc_l;
1.641 + (void)g_free_l;
1.642 + (void)g_memcpy_l;
1.643 + (void)g_memset_l;
1.644 + (void)g_memmove_l;
1.645 + return -1;
1.646 +#endif
1.647 +}
1.648 +
1.649 +int vpx_mem_unset_functions() {
1.650 +#if USE_GLOBAL_FUNCTION_POINTERS
1.651 +
1.652 + if (g_func) {
1.653 + g_free_func temp_free = g_func->g_free;
1.654 + temp_free(g_func);
1.655 + g_func = NULL;
1.656 + }
1.657 +
1.658 +#endif
1.659 + return 0;
1.660 +}
