1 /*
2 * RAW HEVC video demuxer
3 * Copyright (c) 2013 Dirk Farin <dirk.farin@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
23
26
28 {
32
35 if ((
code & 0xffffff00) == 0x100) {
36 uint8_t nal2 = p->
buf[
i + 1];
38
39 if (
code & 0x81)
// forbidden and reserved zero bits
40 return 0;
41
42 if (nal2 & 0xf8) // reserved zero
43 return 0;
44
55 }
56 }
57 }
58
61 return 0;
62 }
63