PeerStreamer

/*

 * 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 FFMPEG_MEM_H

#define FFMPEG_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 bytes 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 explicitly allowed.

 * @note It is recommended that you use av_freep() instead.

 */

void av_free(void *ptr);

void *av_mallocz(unsigned int size);

/**

 * Duplicate the string \p s.

 * @param s String to be duplicated.

 * @return Pointer to a newly allocated string containing a

 * copy of \p s or NULL if it cannot be allocated.

 */

char *av_strdup(const char *s);

/**

 * Free memory and set the pointer to NULL.

 * @param ptr Pointer to the pointer which should be freed.

 */

void av_freep(void *ptr);

#endif /* FFMPEG_MEM_H */