| Index: third_party/libvpx/source/libvpx/vpx_mem/vpx_mem.c
|
| diff --git a/third_party/libvpx/source/libvpx/vpx_mem/vpx_mem.c b/third_party/libvpx/source/libvpx/vpx_mem/vpx_mem.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..b60d7319cc3af39abad2eb6e6ec79c0bcf0460ec
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vpx_mem/vpx_mem.c
|
| @@ -0,0 +1,103 @@
|
| +/*
|
| + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
| + *
|
| + * Use of this source code is governed by a BSD-style license
|
| + * that can be found in the LICENSE file in the root of the source
|
| + * tree. An additional intellectual property rights grant can be found
|
| + * in the file PATENTS. All contributing project authors may
|
| + * be found in the AUTHORS file in the root of the source tree.
|
| + */
|
| +
|
| +
|
| +#define __VPX_MEM_C__
|
| +
|
| +#include "vpx_mem.h"
|
| +#include <stdio.h>
|
| +#include <stdlib.h>
|
| +#include <string.h>
|
| +#include "include/vpx_mem_intrnl.h"
|
| +#include "vpx/vpx_integer.h"
|
| +
|
| +void *vpx_memalign(size_t align, size_t size) {
|
| + void *addr,
|
| + * x = NULL;
|
| +
|
| + addr = malloc(size + align - 1 + ADDRESS_STORAGE_SIZE);
|
| +
|
| + if (addr) {
|
| + x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, (int)align);
|
| + /* save the actual malloc address */
|
| + ((size_t *)x)[-1] = (size_t)addr;
|
| + }
|
| +
|
| + return x;
|
| +}
|
| +
|
| +void *vpx_malloc(size_t size) {
|
| + return vpx_memalign(DEFAULT_ALIGNMENT, size);
|
| +}
|
| +
|
| +void *vpx_calloc(size_t num, size_t size) {
|
| + void *x;
|
| +
|
| + x = vpx_memalign(DEFAULT_ALIGNMENT, num * size);
|
| +
|
| + if (x)
|
| + memset(x, 0, num * size);
|
| +
|
| + return x;
|
| +}
|
| +
|
| +void *vpx_realloc(void *memblk, size_t size) {
|
| + void *addr,
|
| + * new_addr = NULL;
|
| + int align = DEFAULT_ALIGNMENT;
|
| +
|
| + /*
|
| + The realloc() function changes the size of the object pointed to by
|
| + ptr to the size specified by size, and returns a pointer to the
|
| + possibly moved block. The contents are unchanged up to the lesser
|
| + of the new and old sizes. If ptr is null, realloc() behaves like
|
| + malloc() for the specified size. If size is zero (0) and ptr is
|
| + not a null pointer, the object pointed to is freed.
|
| + */
|
| + if (!memblk)
|
| + new_addr = vpx_malloc(size);
|
| + else if (!size)
|
| + vpx_free(memblk);
|
| + else {
|
| + addr = (void *)(((size_t *)memblk)[-1]);
|
| + memblk = NULL;
|
| +
|
| + new_addr = realloc(addr, size + align + ADDRESS_STORAGE_SIZE);
|
| +
|
| + if (new_addr) {
|
| + addr = new_addr;
|
| + new_addr = (void *)(((size_t)
|
| + ((unsigned char *)new_addr + ADDRESS_STORAGE_SIZE) + (align - 1)) &
|
| + (size_t) - align);
|
| + /* save the actual malloc address */
|
| + ((size_t *)new_addr)[-1] = (size_t)addr;
|
| + }
|
| + }
|
| +
|
| + return new_addr;
|
| +}
|
| +
|
| +void vpx_free(void *memblk) {
|
| + if (memblk) {
|
| + void *addr = (void *)(((size_t *)memblk)[-1]);
|
| + free(addr);
|
| + }
|
| +}
|
| +
|
| +#if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
|
| +void *vpx_memset16(void *dest, int val, size_t length) {
|
| + int i;
|
| + void *orig = dest;
|
| + uint16_t *dest16 = dest;
|
| + for (i = 0; i < length; i++)
|
| + *dest16++ = val;
|
| + return orig;
|
| +}
|
| +#endif // CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
|
|
|