2 Copyright (C) 2014-2019 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/>.
21 /** @file src/lib/dcp_examiner.h
22 * @brief DCPExaminer class.
25 #include "video_examiner.h"
26 #include "audio_examiner.h"
31 class DCPExaminer : public DCP, public VideoExaminer, public AudioExaminer
34 explicit DCPExaminer (boost::shared_ptr<const DCPContent>, bool tolerant);
36 bool has_video () const {
40 boost::optional<double> video_frame_rate () const {
41 return _video_frame_rate;
44 dcp::Size video_size () const {
45 DCPOMATIC_ASSERT (_has_video);
46 DCPOMATIC_ASSERT (_video_size);
50 Frame video_length () const {
58 VideoRange range () const {
59 return VIDEO_RANGE_FULL;
62 std::string name () const {
66 bool encrypted () const {
70 bool needs_assets () const {
74 bool has_audio () const {
78 int audio_channels () const {
79 return _audio_channels.get_value_or (0);
82 Frame audio_length () const {
86 int audio_frame_rate () const {
87 return _audio_frame_rate.get_value_or (48000);
90 /** @param type TEXT_OPEN_SUBTITLE or TEXT_CLOSED_CAPTION.
91 * @return Number of assets of this type in this DCP.
93 int text_count (TextType type) const {
94 return _text_count[type];
97 bool kdm_valid () const {
101 boost::optional<dcp::Standard> standard () const {
105 bool three_d () const {
109 dcp::ContentKind content_kind () const {
110 return _content_kind;
113 std::string cpl () const {
117 std::list<int64_t> reel_lengths () const {
118 return _reel_lengths;
122 boost::optional<double> _video_frame_rate;
123 boost::optional<dcp::Size> _video_size;
125 boost::optional<int> _audio_channels;
126 boost::optional<int> _audio_frame_rate;
129 /** true if this DCP has video content (but false if it has unresolved references to video content) */
131 /** true if this DCP has audio content (but false if it has unresolved references to audio content) */
133 /** number of different assets of each type (OCAP/CCAP) */
134 int _text_count[TEXT_COUNT];
138 boost::optional<dcp::Standard> _standard;
140 dcp::ContentKind _content_kind;
142 std::list<int64_t> _reel_lengths;