/src/libheif/libheif/image-items/avc.cc
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1 | | /* |
2 | | * HEIF AVC codec. |
3 | | * Copyright (c) 2023 Brad Hards <bradh@frogmouth.net> |
4 | | * Copyright (c) 2025 Dirk Farin <dirk.farin@gmail.com> |
5 | | * |
6 | | * This file is part of libheif. |
7 | | * |
8 | | * libheif is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as |
10 | | * published by the Free Software Foundation, either version 3 of |
11 | | * the License, or (at your option) any later version. |
12 | | * |
13 | | * libheif is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU Lesser General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with libheif. If not, see <http://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include "avc.h" |
23 | | #include "context.h" |
24 | | #include "codecs/avc_dec.h" |
25 | | #include "codecs/avc_boxes.h" |
26 | | #include <utility> |
27 | | |
28 | | #include "codecs/avc_enc.h" |
29 | | |
30 | | |
31 | | ImageItem_AVC::ImageItem_AVC(HeifContext* ctx, heif_item_id id) |
32 | 867 | : ImageItem(ctx, id) |
33 | 867 | { |
34 | 867 | m_encoder = std::make_shared<Encoder_AVC>(); |
35 | 867 | } |
36 | | |
37 | | |
38 | | ImageItem_AVC::ImageItem_AVC(HeifContext* ctx) |
39 | 0 | : ImageItem(ctx) |
40 | 0 | { |
41 | 0 | m_encoder = std::make_shared<Encoder_AVC>(); |
42 | 0 | } |
43 | | |
44 | | |
45 | | Result<std::shared_ptr<Decoder>> ImageItem_AVC::get_decoder() const |
46 | 7.10k | { |
47 | 7.10k | return {m_decoder}; |
48 | 7.10k | } |
49 | | |
50 | | |
51 | | std::shared_ptr<Encoder> ImageItem_AVC::get_encoder() const |
52 | 0 | { |
53 | 0 | return m_encoder; |
54 | 0 | } |
55 | | |
56 | | |
57 | | Error ImageItem_AVC::initialize_decoder() |
58 | 846 | { |
59 | 846 | auto avcC_box = get_property<Box_avcC>(); |
60 | 846 | if (!avcC_box) { |
61 | 62 | return Error{heif_error_Invalid_input, |
62 | 62 | heif_suberror_No_av1C_box}; |
63 | 62 | } |
64 | | |
65 | 784 | m_decoder = std::make_shared<Decoder_AVC>(avcC_box); |
66 | | |
67 | 784 | return Error::Ok; |
68 | 846 | } |
69 | | |
70 | | void ImageItem_AVC::set_decoder_input_data() |
71 | 784 | { |
72 | 784 | DataExtent extent; |
73 | 784 | extent.set_from_image_item(get_context()->get_heif_file(), get_id()); |
74 | | |
75 | 784 | m_decoder->set_data_extent(std::move(extent)); |
76 | 784 | } |