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/*
* 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
*/
#include <stddef.h>
#include <stdint.h>
#include "mem.h"
#include "tdrdi.h"
AV3DReferenceDisplaysInfo *av_tdrdi_alloc(unsigned int nb_displays, size_t *out_size)
{
struct TestStruct {
AV3DReferenceDisplaysInfo p;
AV3DReferenceDisplay b;
};
const size_t entries_offset = offsetof(struct TestStruct, b);
size_t size = entries_offset;
AV3DReferenceDisplaysInfo *tdrdi;
if (nb_displays > (SIZE_MAX - size) / sizeof(AV3DReferenceDisplay))
return NULL;
size += sizeof(AV3DReferenceDisplay) * nb_displays;
tdrdi = av_mallocz(size);
if (!tdrdi)
return NULL;
tdrdi->num_ref_displays = nb_displays;
tdrdi->entry_size = sizeof(AV3DReferenceDisplay);
tdrdi->entries_offset = entries_offset;
if (out_size)
*out_size = size;
return tdrdi;
}
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