2 Copyright (C) 2014-2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic 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 DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 /** @file src/lib/dcp_examiner.h
23 * @brief DCPExaminer class.
27 #include "audio_examiner.h"
29 #include "dcp_text_track.h"
30 #include "dcpomatic_assert.h"
31 #include "video_examiner.h"
32 #include <dcp/dcp_time.h>
33 #include <dcp/rating.h>
39 class DCPExaminer : public DCP, public VideoExaminer, public AudioExaminer
42 explicit DCPExaminer (std::shared_ptr<const DCPContent>, bool tolerant);
44 bool has_video () const {
48 boost::optional<double> video_frame_rate () const {
49 return _video_frame_rate;
52 dcp::Size video_size () const {
53 DCPOMATIC_ASSERT (_has_video);
54 DCPOMATIC_ASSERT (_video_size);
58 Frame video_length () const {
66 VideoRange range () const {
67 return VideoRange::FULL;
70 PixelQuanta pixel_quanta () const {
74 std::string name () const {
78 bool encrypted () const {
82 bool needs_assets () const {
86 bool has_audio () const {
90 int audio_channels () const {
91 return _audio_channels.get_value_or (0);
94 Frame audio_length () const {
98 int audio_frame_rate () const {
99 return _audio_frame_rate.get_value_or (48000);
102 boost::optional<dcp::LanguageTag> audio_language () const {
103 return _audio_language;
106 /** @param type TEXT_OPEN_SUBTITLE or TEXT_CLOSED_CAPTION.
107 * @return Number of assets of this type in this DCP.
109 int text_count (TextType type) const {
110 return _text_count[static_cast<int>(type)];
113 boost::optional<dcp::LanguageTag> open_subtitle_language () const {
114 return _open_subtitle_language;
117 DCPTextTrack dcp_text_track (int i) const {
118 DCPOMATIC_ASSERT (i >= 0 && i < static_cast<int>(_dcp_text_tracks.size()));
119 return _dcp_text_tracks[i];
122 bool kdm_valid () const {
126 boost::optional<dcp::Standard> standard () const {
130 bool three_d () const {
134 dcp::ContentKind content_kind () const {
135 return _content_kind;
138 std::string cpl () const {
142 std::list<int64_t> reel_lengths () const {
143 return _reel_lengths;
146 std::map<dcp::Marker, dcp::Time> markers () const {
150 std::vector<dcp::Rating> ratings () const {
154 std::vector<std::string> content_versions () const {
155 return _content_versions;
158 bool has_atmos () const {
162 Frame atmos_length () const {
163 return _atmos_length;
166 dcp::Fraction atmos_edit_rate () const {
167 return _atmos_edit_rate;
171 boost::optional<double> _video_frame_rate;
172 boost::optional<dcp::Size> _video_size;
173 Frame _video_length = 0;
174 boost::optional<int> _audio_channels;
175 boost::optional<int> _audio_frame_rate;
176 Frame _audio_length = 0;
178 /** true if this DCP has video content (but false if it has unresolved references to video content) */
179 bool _has_video = false;
180 /** true if this DCP has audio content (but false if it has unresolved references to audio content) */
181 bool _has_audio = false;
182 boost::optional<dcp::LanguageTag> _audio_language;
183 /** number of different assets of each type (OCAP/CCAP) */
184 int _text_count[static_cast<int>(TextType::COUNT)];
185 boost::optional<dcp::LanguageTag> _open_subtitle_language;
186 /** the DCPTextTracks for each of our CCAPs */
187 std::vector<DCPTextTrack> _dcp_text_tracks;
188 bool _encrypted = false;
189 bool _needs_assets = false;
190 bool _kdm_valid = false;
191 boost::optional<dcp::Standard> _standard;
192 bool _three_d = false;
193 dcp::ContentKind _content_kind;
195 std::list<int64_t> _reel_lengths;
196 std::map<dcp::Marker, dcp::Time> _markers;
197 std::vector<dcp::Rating> _ratings;
198 std::vector<std::string> _content_versions;
199 bool _has_atmos = false;
200 Frame _atmos_length = 0;
201 dcp::Fraction _atmos_edit_rate;