1 /*
2 * Vidvox Hap utility functions
3 * Copyright (C) 2015 Tom Butterworth <bangnoise@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
22 /**
23 * @file
24 * Hap utilities
25 */
27
29 {
31 if (first_in_frame == 1 &&
ctx->chunk_count != count) {
37 } else {
38 ctx->chunk_count = count;
39 }
40 }
else if (
ctx->chunk_count != count) {
41 /* If this is not the first chunk count calculated for a frame and a
42 * different count has already been encountered, then reject the frame:
43 * each table in the Decode Instructions Container must describe the
44 * same number of chunks. */
46 }
48 }
49
51 {
55 }
56
59 {
62
63 *section_size = bytestream2_get_le24(gbc);
64 *section_type = bytestream2_get_byte(gbc);
65
66 if (*section_size == 0) {
69
70 *section_size = bytestream2_get_le32(gbc);
71 }
72
75 else
76 return 0;
77 }