/src/libheif/libheif/image-items/vvc.cc
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1 | | /* |
2 | | * HEIF VVC codec. |
3 | | * Copyright (c) 2023 Dirk Farin <dirk.farin@gmail.com> |
4 | | * |
5 | | * This file is part of libheif. |
6 | | * |
7 | | * libheif is free software: you can redistribute it and/or modify |
8 | | * it under the terms of the GNU Lesser General Public License as |
9 | | * published by the Free Software Foundation, either version 3 of |
10 | | * the License, or (at your option) any later version. |
11 | | * |
12 | | * libheif 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 |
15 | | * GNU Lesser General Public License for more details. |
16 | | * |
17 | | * You should have received a copy of the GNU Lesser General Public License |
18 | | * along with libheif. If not, see <http://www.gnu.org/licenses/>. |
19 | | */ |
20 | | |
21 | | #include "vvc.h" |
22 | | #include "codecs/vvc_dec.h" |
23 | | #include "codecs/vvc_enc.h" |
24 | | #include "codecs/vvc_boxes.h" |
25 | | #include <cstring> |
26 | | #include <string> |
27 | | #include <cassert> |
28 | | #include "api_structs.h" |
29 | | #include <utility> |
30 | | |
31 | | |
32 | 17 | ImageItem_VVC::ImageItem_VVC(HeifContext* ctx, heif_item_id id) : ImageItem(ctx, id) |
33 | 17 | { |
34 | 17 | m_encoder = std::make_shared<Encoder_VVC>(); |
35 | 17 | } |
36 | | |
37 | 0 | ImageItem_VVC::ImageItem_VVC(HeifContext* ctx) : ImageItem(ctx) |
38 | 0 | { |
39 | 0 | m_encoder = std::make_shared<Encoder_VVC>(); |
40 | 0 | } |
41 | | |
42 | | |
43 | | Result<std::vector<uint8_t>> ImageItem_VVC::read_bitstream_configuration_data() const |
44 | 0 | { |
45 | | // --- get codec configuration |
46 | |
|
47 | 0 | std::shared_ptr<Box_vvcC> vvcC_box = get_property<Box_vvcC>(); |
48 | 0 | if (!vvcC_box) |
49 | 0 | { |
50 | 0 | assert(false); |
51 | 0 | return Error(heif_error_Invalid_input, |
52 | 0 | heif_suberror_No_vvcC_box); |
53 | 0 | } |
54 | | |
55 | 0 | std::vector<uint8_t> data; |
56 | 0 | if (!vvcC_box->get_headers(&data)) |
57 | 0 | { |
58 | 0 | return Error(heif_error_Invalid_input, |
59 | 0 | heif_suberror_No_item_data); |
60 | 0 | } |
61 | | |
62 | 0 | return data; |
63 | 0 | } |
64 | | |
65 | | |
66 | | Result<std::shared_ptr<Decoder>> ImageItem_VVC::get_decoder() const |
67 | 0 | { |
68 | 0 | return {m_decoder}; |
69 | 0 | } |
70 | | |
71 | | |
72 | | std::shared_ptr<class Encoder> ImageItem_VVC::get_encoder() const |
73 | 0 | { |
74 | 0 | return m_encoder; |
75 | 0 | } |
76 | | |
77 | | |
78 | | Error ImageItem_VVC::initialize_decoder() |
79 | 16 | { |
80 | 16 | auto vvcC_box = get_property<Box_vvcC>(); |
81 | 16 | if (!vvcC_box) { |
82 | 16 | return Error{heif_error_Invalid_input, |
83 | 16 | heif_suberror_No_av1C_box}; |
84 | 16 | } |
85 | | |
86 | 0 | m_decoder = std::make_shared<Decoder_VVC>(vvcC_box); |
87 | |
|
88 | 0 | return Error::Ok; |
89 | 16 | } |
90 | | |
91 | | void ImageItem_VVC::set_decoder_input_data() |
92 | 0 | { |
93 | 0 | DataExtent extent; |
94 | 0 | extent.set_from_image_item(get_context()->get_heif_file(), get_id()); |
95 | |
|
96 | 0 | m_decoder->set_data_extent(std::move(extent)); |
97 | 0 | } |
98 | | |
99 | | heif_brand2 ImageItem_VVC::get_compatible_brand() const |
100 | 0 | { |
101 | 0 | return heif_brand2_vvic; |
102 | 0 | } |