mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-27 21:20:41 +00:00
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
|
|
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file mem.h
|
|
* Memory handling functions.
|
|
*/
|
|
|
|
#ifndef AV_MEM_H
|
|
#define AV_MEM_H
|
|
|
|
#ifdef __GNUC__
|
|
#define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n)))
|
|
#else
|
|
#define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v
|
|
#endif
|
|
|
|
/**
|
|
* Memory allocation of size byte with alignment suitable for all
|
|
* memory accesses (including vectors if available on the
|
|
* CPU). av_malloc(0) must return a non NULL pointer.
|
|
*/
|
|
void *av_malloc(unsigned int size);
|
|
|
|
/**
|
|
* av_realloc semantics (same as glibc): if ptr is NULL and size > 0,
|
|
* identical to malloc(size). If size is zero, it is identical to
|
|
* free(ptr) and NULL is returned.
|
|
*/
|
|
void *av_realloc(void *ptr, unsigned int size);
|
|
|
|
/**
|
|
* Free memory which has been allocated with av_malloc(z)() or av_realloc().
|
|
* NOTE: ptr = NULL is explicetly allowed
|
|
* Note2: it is recommended that you use av_freep() instead
|
|
*/
|
|
void av_free(void *ptr);
|
|
|
|
void *av_mallocz(unsigned int size);
|
|
char *av_strdup(const char *s);
|
|
|
|
/**
|
|
* Frees memory and sets the pointer to NULL.
|
|
* @param ptr pointer to the pointer which should be freed
|
|
*/
|
|
void av_freep(void *ptr);
|
|
|
|
#endif /* AV_MEM_H */
|