chromium/third_party/dav1d/libdav1d/src/mem.h

/*
 * Copyright © 2018, VideoLAN and dav1d authors
 * Copyright © 2018, Two Orioles, LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef DAV1D_SRC_MEM_H
#define DAV1D_SRC_MEM_H

#define TRACK_HEAP_ALLOCATIONS …

#include <stdlib.h>

#if defined(_WIN32) || !defined(HAVE_POSIX_MEMALIGN)
#include <malloc.h>
#endif

#include "dav1d/dav1d.h"

#include "common/attributes.h"

#include "src/thread.h"

enum AllocationType { … };

Dav1dMemPoolBuffer;

Dav1dMemPool;


#if TRACK_HEAP_ALLOCATIONS
void *dav1d_malloc(enum AllocationType type, size_t sz);
void *dav1d_realloc(enum AllocationType type, void *ptr, size_t sz);
void *dav1d_alloc_aligned(enum AllocationType type, size_t sz, size_t align);
void dav1d_free(void *ptr);
void dav1d_free_aligned(void *ptr);
void dav1d_log_alloc_stats(Dav1dContext *c);
#else
#define dav1d_mem_pool_init(type, pool) …
#define dav1d_malloc(type, sz) …
#define dav1d_realloc(type, ptr, sz) …
#define dav1d_free(ptr) …

/*
 * Allocate align-byte aligned memory. The return value can be released
 * by calling the dav1d_free_aligned() function.
 */
static inline void *dav1d_alloc_aligned(const size_t sz, const size_t align) { … }
#define dav1d_alloc_aligned(type, sz, align) …

static inline void dav1d_free_aligned(void *ptr) { … }

#endif /* TRACK_HEAP_ALLOCATIONS */

void dav1d_mem_pool_push(Dav1dMemPool *pool, Dav1dMemPoolBuffer *buf);
Dav1dMemPoolBuffer *dav1d_mem_pool_pop(Dav1dMemPool *pool, size_t size);
int dav1d_mem_pool_init(enum AllocationType type, Dav1dMemPool **pool);
void dav1d_mem_pool_end(Dav1dMemPool *pool);

static inline void dav1d_freep_aligned(void *ptr) { … }

#endif /* DAV1D_SRC_MEM_H */