2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
34 #ifndef LIBDCP_PICTURE_ASSET_H
35 #define LIBDCP_PICTURE_ASSET_H
37 /** @file src/picture_asset.h
38 * @brief PictureAsset class.
47 struct PictureDescriptor;
54 class MonoPictureFrame;
55 class StereoPictureFrame;
56 class PictureAssetWriter;
58 /** @class PictureAsset
59 * @brief An asset made up of JPEG2000 data.
61 class PictureAsset : public Asset, public MXF
64 explicit PictureAsset (boost::filesystem::path file);
65 explicit PictureAsset (Fraction edit_rate, Standard standard);
67 virtual boost::shared_ptr<PictureAssetWriter> start_write (
68 boost::filesystem::path file,
76 void set_size (Size s) {
80 Fraction frame_rate () const {
84 void set_frame_rate (Fraction r) {
88 Fraction screen_aspect_ratio () const {
89 return _screen_aspect_ratio;
92 void set_screen_aspect_ratio (Fraction r) {
93 _screen_aspect_ratio = r;
96 Fraction edit_rate () const {
100 int64_t intrinsic_duration () const {
101 return _intrinsic_duration;
104 static std::string static_pkl_type (Standard standard);
107 friend class MonoPictureAssetWriter;
108 friend class StereoPictureAssetWriter;
110 bool frame_buffer_equals (
111 int frame, EqualityOptions opt, NoteHandler note,
112 uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
115 bool descriptor_equals (
116 ASDCP::JP2K::PictureDescriptor const & a,
117 ASDCP::JP2K::PictureDescriptor const & b,
121 void read_picture_descriptor (ASDCP::JP2K::PictureDescriptor const &);
124 /** The total length of this content in video frames. The amount of
125 * content presented may be less than this.
127 int64_t _intrinsic_duration;
128 /** picture size in pixels */
130 Fraction _frame_rate;
131 Fraction _screen_aspect_ratio;
134 std::string pkl_type (Standard standard) const;