2 Copyright (C) 2012-2020 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/>.
21 #include "atmos_metadata.h"
23 #include "dcpomatic_time.h"
24 #include "referenced_reel_asset.h"
25 #include "player_text.h"
26 #include "dcp_text_track.h"
27 #include "weak_film.h"
28 #include <dcp/picture_asset_writer.h>
29 #include <dcp/atmos_asset_writer.h>
30 #include <boost/shared_ptr.hpp>
31 #include <boost/weak_ptr.hpp>
41 struct write_frame_info_test;
44 class MonoPictureAsset;
45 class MonoPictureAssetWriter;
46 class StereoPictureAsset;
47 class StereoPictureAssetWriter;
49 class PictureAssetWriter;
51 class SoundAssetWriter;
56 class ReelPictureAsset;
59 class ReelWriter : public WeakConstFilm
63 boost::weak_ptr<const Film> film,
64 dcpomatic::DCPTimePeriod period,
65 boost::shared_ptr<Job> job,
71 void write (boost::shared_ptr<const dcp::Data> encoded, Frame frame, Eyes eyes);
72 void fake_write (int size);
73 void repeat_write (Frame frame, Eyes eyes);
74 void write (boost::shared_ptr<const AudioBuffers> audio);
75 void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
76 void write (boost::shared_ptr<const dcp::AtmosFrame> atmos, AtmosMetadata metadata);
78 void finish (boost::filesystem::path output_dcp);
79 boost::shared_ptr<dcp::Reel> create_reel (
80 std::list<ReferencedReelAsset> const & refs, std::list<boost::shared_ptr<dcpomatic::Font> > const & fonts, boost::filesystem::path output_dcp
82 void calculate_digests (boost::function<void (float)> set_progress);
86 dcpomatic::DCPTimePeriod period () const {
90 int first_nonexistant_frame () const {
91 return _first_nonexistant_frame;
94 dcp::FrameInfo read_frame_info (boost::shared_ptr<InfoFileHandle> info, Frame frame, Eyes eyes) const;
98 friend struct ::write_frame_info_test;
100 void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
101 long frame_info_position (Frame frame, Eyes eyes) const;
102 Frame check_existing_picture_asset (boost::filesystem::path asset);
103 bool existing_picture_frame_ok (FILE* asset_file, boost::shared_ptr<InfoFileHandle> info_file, Frame frame) const;
104 boost::shared_ptr<dcp::SubtitleAsset> empty_text_asset (TextType type, boost::optional<DCPTextTrack> track) const;
106 boost::shared_ptr<dcp::ReelPictureAsset> create_reel_picture (boost::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
107 void create_reel_sound (boost::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
108 void create_reel_text (
109 boost::shared_ptr<dcp::Reel> reel,
110 std::list<ReferencedReelAsset> const & refs, std::list<boost::shared_ptr<dcpomatic::Font> > const& fonts,
112 boost::filesystem::path output_dcp
114 void create_reel_markers (boost::shared_ptr<dcp::Reel> reel) const;
116 dcpomatic::DCPTimePeriod _period;
117 /** the first picture frame index that does not already exist in our MXF */
118 int _first_nonexistant_frame;
119 /** the data of the last written frame, if there is one */
120 boost::shared_ptr<const dcp::Data> _last_written[EYES_COUNT];
121 /** index of this reel within the DCP (starting from 0) */
123 /** number of reels in the DCP */
125 boost::optional<std::string> _content_summary;
126 boost::weak_ptr<Job> _job;
129 boost::shared_ptr<dcp::PictureAsset> _picture_asset;
130 /** picture asset writer, or 0 if we are not writing any picture because we already have one */
131 boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
132 boost::shared_ptr<dcp::SoundAsset> _sound_asset;
133 boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
134 boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
135 std::map<DCPTextTrack, boost::shared_ptr<dcp::SubtitleAsset> > _closed_caption_assets;
136 boost::shared_ptr<dcp::AtmosAsset> _atmos_asset;
137 boost::shared_ptr<dcp::AtmosAssetWriter> _atmos_asset_writer;
139 static int const _info_size;