mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 19:35:49 +00:00
943139cc78
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12933 b3059339-0415-0410-9bf9-f77b7e298cf2
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
|
|
* alloc.c
|
|
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
|
|
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
|
|
*
|
|
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
|
|
* See http://libmpeg2.sourceforge.net/ for updates.
|
|
*
|
|
* mpeg2dec is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mpeg2dec 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "mpeg2.h"
|
|
|
|
static void * (* malloc_hook) (unsigned size, mpeg2_alloc_t reason) = NULL;
|
|
static int (* free_hook) (void * buf) = NULL;
|
|
|
|
void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason)
|
|
{
|
|
char * buf;
|
|
|
|
if (malloc_hook) {
|
|
buf = (char *) malloc_hook (size, reason);
|
|
if (buf)
|
|
return buf;
|
|
}
|
|
|
|
if (size) {
|
|
buf = (char *) malloc (size + 63 + sizeof (void **));
|
|
if (buf) {
|
|
char * align_buf;
|
|
|
|
align_buf = buf + 63 + sizeof (void **);
|
|
align_buf -= (long)align_buf & 63;
|
|
*(((void **)align_buf) - 1) = buf;
|
|
return align_buf;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void mpeg2_free (void * buf)
|
|
{
|
|
if (free_hook && free_hook (buf))
|
|
return;
|
|
|
|
if (buf)
|
|
free (*(((void **)buf) - 1));
|
|
}
|
|
|
|
void mpeg2_malloc_hooks (void * malloc (unsigned, mpeg2_alloc_t),
|
|
int free (void *))
|
|
{
|
|
malloc_hook = malloc;
|
|
free_hook = free;
|
|
}
|