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"
28 #include "dcp_text_track.h"
29 #include "dcpomatic_assert.h"
30 #include <dcp/dcp_time.h>
34 class DCPExaminer : public DCP, public VideoExaminer, public AudioExaminer
37 explicit DCPExaminer (boost::shared_ptr<const DCPContent>);
39 bool has_video () const {
43 boost::optional<double> video_frame_rate () const {
44 return _video_frame_rate;
47 dcp::Size video_size () const {
48 DCPOMATIC_ASSERT (_has_video);
49 DCPOMATIC_ASSERT (_video_size);
53 Frame video_length () const {
61 std::string name () const {
65 bool encrypted () const {
69 bool needs_assets () const {
73 bool has_audio () const {
77 int audio_channels () const {
78 return _audio_channels.get_value_or (0);
81 Frame audio_length () const {
85 int audio_frame_rate () const {
86 return _audio_frame_rate.get_value_or (48000);
89 /** @param type TEXT_OPEN_SUBTITLE or TEXT_CLOSED_CAPTION.
90 * @return Number of assets of this type in this DCP.
92 int text_count (TextType type) const {
93 return _text_count[type];
96 DCPTextTrack dcp_text_track (int i) const {
97 DCPOMATIC_ASSERT (i >= 0 && i < static_cast<int>(_dcp_text_tracks.size()));
98 return _dcp_text_tracks[i];
101 bool kdm_valid () const {
105 boost::optional<dcp::Standard> standard () const {
109 bool three_d () const {
113 dcp::ContentKind content_kind () const {
114 return _content_kind;
117 std::string cpl () const {
121 std::list<int64_t> reel_lengths () const {
122 return _reel_lengths;
126 boost::optional<double> _video_frame_rate;
127 boost::optional<dcp::Size> _video_size;
129 boost::optional<int> _audio_channels;
130 boost::optional<int> _audio_frame_rate;
133 /** true if this DCP has video content (but false if it has unresolved references to video content) */
135 /** true if this DCP has audio content (but false if it has unresolved references to audio content) */
137 /** number of different assets of each type (OCAP/CCAP) */
138 int _text_count[TEXT_COUNT];
139 /** the DCPTextTracks for each of our CCAPs */
140 std::vector<DCPTextTrack> _dcp_text_tracks;
144 boost::optional<dcp::Standard> _standard;
146 dcp::ContentKind _content_kind;
148 std::list<int64_t> _reel_lengths;