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/*
* 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 0
#include <stdlib.h>
#if defined(_WIN32) || HAVE_MEMALIGN
#include <malloc.h>
#endif
#include "dav1d/dav1d.h"
#include "common/attributes.h"
#include "src/thread.h"
enum AllocationType {
ALLOC_BLOCK,
ALLOC_CDEF,
ALLOC_CDF,
ALLOC_COEF,
ALLOC_COMMON_CTX,
ALLOC_DAV1DDATA,
ALLOC_IPRED,
ALLOC_LF,
ALLOC_LR,
ALLOC_OBU_HDR,
ALLOC_OBU_META,
ALLOC_PAL,
ALLOC_PIC,
ALLOC_PIC_CTX,
ALLOC_REFMVS,
ALLOC_SEGMAP,
ALLOC_THREAD_CTX,
ALLOC_TILE,
N_ALLOC_TYPES,
};
typedef struct Dav1dMemPoolBuffer {
void *data;
struct Dav1dMemPoolBuffer *next;
} Dav1dMemPoolBuffer;
typedef struct Dav1dMemPool {
pthread_mutex_t lock;
Dav1dMemPoolBuffer *buf;
int ref_cnt;
int end;
#if TRACK_HEAP_ALLOCATIONS
enum AllocationType type;
#endif
} Dav1dMemPool;
// TODO: Move this to a common location?
#define ROUND_UP(x,a) (((x)+((a)-1)) & ~((a)-1))
/*
* Allocate align-byte aligned memory. The return value can be released
* by calling the dav1d_free_aligned() function.
*/
static inline void *dav1d_alloc_aligned_internal(const size_t sz, const size_t align) {
assert(!(align & (align - 1)));
#ifdef _WIN32
return _aligned_malloc(sz, align);
#elif HAVE_POSIX_MEMALIGN
void *ptr;
if (posix_memalign(&ptr, align, sz)) return NULL;
return ptr;
#elif HAVE_MEMALIGN
return memalign(align, sz);
#elif HAVE_ALIGNED_ALLOC
// The C11 standard specifies that the size parameter
// must be an integral multiple of alignment.
return aligned_alloc(align, ROUND_UP(sz, align));
#else
#error No aligned allocation functions are available
#endif
}
static inline void dav1d_free_aligned_internal(void *ptr) {
#ifdef _WIN32
_aligned_free(ptr);
#else
free(ptr);
#endif
}
#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) dav1d_mem_pool_init(pool)
#define dav1d_malloc(type, sz) malloc(sz)
#define dav1d_realloc(type, ptr, sz) realloc(ptr, sz)
#define dav1d_alloc_aligned(type, sz, align) dav1d_alloc_aligned_internal(sz, align)
#define dav1d_free(ptr) free(ptr)
#define dav1d_free_aligned(ptr) dav1d_free_aligned_internal(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) {
void **mem = (void **) ptr;
if (*mem) {
dav1d_free_aligned(*mem);
*mem = NULL;
}
}
#endif /* DAV1D_SRC_MEM_H */