Revision f1b94134a4b879bc55c3dacdb496690c8ebdc03f authored by Vikram Fugro on 11 March 2016, 12:16:11 UTC, committed by Jean-Baptiste Kempf on 11 March 2016, 14:57:34 UTC
Allocate the output vlc pictures with dimensions padded, as requested by the decoder (for alignments). This further increases the chances of direct rendering. Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
1 parent 6c813cb
posix_memalign.c
/*****************************************************************************
* posix_memalign.c: POSIX posix_memalign() replacement
*****************************************************************************
* Copyright © 2012 Rémi Denis-Courmont
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <errno.h>
static int check_align (size_t align)
{
for (size_t i = sizeof (void *); i != 0; i *= 2)
if (align == i)
return 0;
return EINVAL;
}
#if !defined (_WIN32) && !defined (__APPLE__)
#include <malloc.h>
int posix_memalign (void **ptr, size_t align, size_t size)
{
if (check_align (align))
return EINVAL;
int saved_errno = errno;
void *p = memalign (align, size);
if (p == NULL)
{
errno = saved_errno;
return ENOMEM;
}
*ptr = p;
return 0;
}
#else
int posix_memalign (void **ptr, size_t align, size_t size)
{
if (check_align (align))
return EINVAL;
*ptr = NULL;
return size ? ENOMEM : 0;
}
#endif
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