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>
39 struct write_frame_info_test;
42 class MonoPictureAsset;
43 class MonoPictureAssetWriter;
44 class StereoPictureAsset;
45 class StereoPictureAssetWriter;
47 class PictureAssetWriter;
49 class SoundAssetWriter;
54 class ReelPictureAsset;
57 class ReelWriter : public WeakConstFilm
61 std::weak_ptr<const Film> film,
62 dcpomatic::DCPTimePeriod period,
63 std::shared_ptr<Job> job,
69 void write (std::shared_ptr<const dcp::Data> encoded, Frame frame, Eyes eyes);
70 void fake_write (int size);
71 void repeat_write (Frame frame, Eyes eyes);
72 void write (std::shared_ptr<const AudioBuffers> audio);
73 void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
74 void write (std::shared_ptr<const dcp::AtmosFrame> atmos, AtmosMetadata metadata);
76 void finish (boost::filesystem::path output_dcp);
77 std::shared_ptr<dcp::Reel> create_reel (
78 std::list<ReferencedReelAsset> const & refs,
79 std::vector<dcpomatic::FontData> const & fonts,
80 boost::filesystem::path output_dcp,
81 bool ensure_subtitles,
82 std::set<DCPTextTrack> ensure_closed_captions
84 void calculate_digests (std::function<void (float)> set_progress);
88 dcpomatic::DCPTimePeriod period () const {
92 int first_nonexistant_frame () const {
93 return _first_nonexistant_frame;
96 dcp::FrameInfo read_frame_info (std::shared_ptr<InfoFileHandle> info, Frame frame, Eyes eyes) const;
100 friend struct ::write_frame_info_test;
102 void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
103 long frame_info_position (Frame frame, Eyes eyes) const;
104 Frame check_existing_picture_asset (boost::filesystem::path asset);
105 bool existing_picture_frame_ok (FILE* asset_file, std::shared_ptr<InfoFileHandle> info_file, Frame frame) const;
106 std::shared_ptr<dcp::SubtitleAsset> empty_text_asset (TextType type, boost::optional<DCPTextTrack> track, bool with_dummy) const;
108 std::shared_ptr<dcp::ReelPictureAsset> create_reel_picture (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
109 void create_reel_sound (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
110 void create_reel_text (
111 std::shared_ptr<dcp::Reel> reel,
112 std::list<ReferencedReelAsset> const & refs,
113 std::vector<dcpomatic::FontData> const& fonts,
115 boost::filesystem::path output_dcp,
116 bool ensure_subtitles,
117 std::set<DCPTextTrack> ensure_closed_captions
119 void create_reel_markers (std::shared_ptr<dcp::Reel> reel) const;
121 dcpomatic::DCPTimePeriod _period;
122 /** the first picture frame index that does not already exist in our MXF */
123 int _first_nonexistant_frame;
124 /** the data of the last written frame, if there is one */
125 std::shared_ptr<const dcp::Data> _last_written[static_cast<int>(Eyes::COUNT)];
126 /** index of this reel within the DCP (starting from 0) */
128 /** number of reels in the DCP */
130 boost::optional<std::string> _content_summary;
131 std::weak_ptr<Job> _job;
134 dcp::ArrayData _default_font;
136 std::shared_ptr<dcp::PictureAsset> _picture_asset;
137 /** picture asset writer, or 0 if we are not writing any picture because we already have one */
138 std::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
139 std::shared_ptr<dcp::SoundAsset> _sound_asset;
140 std::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
141 std::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
142 std::map<DCPTextTrack, std::shared_ptr<dcp::SubtitleAsset>> _closed_caption_assets;
143 std::shared_ptr<dcp::AtmosAsset> _atmos_asset;
144 std::shared_ptr<dcp::AtmosAssetWriter> _atmos_asset_writer;
146 static int const _info_size;