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/>.
22 #include "atmos_metadata.h"
23 #include "dcp_text_track.h"
24 #include "dcpomatic_time.h"
25 #include "player_text.h"
26 #include "referenced_reel_asset.h"
28 #include "weak_film.h"
29 #include <dcp/atmos_asset_writer.h>
31 #include <dcp/picture_asset_writer.h>
42 struct write_frame_info_test;
46 class MonoPictureAsset;
47 class MonoPictureAssetWriter;
49 class PictureAssetWriter;
52 class ReelPictureAsset;
54 class SoundAssetWriter;
55 class StereoPictureAsset;
56 class StereoPictureAssetWriter;
61 class ReelWriter : public WeakConstFilm
65 std::weak_ptr<const Film> film,
66 dcpomatic::DCPTimePeriod period,
67 std::shared_ptr<Job> job,
73 void write (std::shared_ptr<const dcp::Data> encoded, Frame frame, Eyes eyes);
74 void fake_write (int size);
75 void repeat_write (Frame frame, Eyes eyes);
76 void write (std::shared_ptr<const AudioBuffers> audio);
77 void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
78 void write (std::shared_ptr<const dcp::AtmosFrame> atmos, AtmosMetadata metadata);
80 void finish (boost::filesystem::path output_dcp);
81 std::shared_ptr<dcp::Reel> create_reel (
82 std::list<ReferencedReelAsset> const & refs,
83 std::vector<dcpomatic::FontData> const & fonts,
84 boost::filesystem::path output_dcp,
85 bool ensure_subtitles,
86 std::set<DCPTextTrack> ensure_closed_captions
88 void calculate_digests (std::function<void (float)> set_progress);
92 dcpomatic::DCPTimePeriod period () const {
96 int first_nonexistant_frame () const {
97 return _first_nonexistant_frame;
100 dcp::FrameInfo read_frame_info (std::shared_ptr<InfoFileHandle> info, Frame frame, Eyes eyes) const;
104 friend struct ::write_frame_info_test;
106 void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
107 long frame_info_position (Frame frame, Eyes eyes) const;
108 Frame check_existing_picture_asset (boost::filesystem::path asset);
109 bool existing_picture_frame_ok (dcp::File& asset_file, std::shared_ptr<InfoFileHandle> info_file, Frame frame) const;
110 std::shared_ptr<dcp::SubtitleAsset> empty_text_asset (TextType type, boost::optional<DCPTextTrack> track, bool with_dummy) const;
112 std::shared_ptr<dcp::ReelPictureAsset> create_reel_picture (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
113 void create_reel_sound (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
114 void create_reel_text (
115 std::shared_ptr<dcp::Reel> reel,
116 std::list<ReferencedReelAsset> const & refs,
117 std::vector<dcpomatic::FontData> const& fonts,
119 boost::filesystem::path output_dcp,
120 bool ensure_subtitles,
121 std::set<DCPTextTrack> ensure_closed_captions
123 void create_reel_markers (std::shared_ptr<dcp::Reel> reel) const;
125 dcpomatic::DCPTimePeriod _period;
126 /** the first picture frame index that does not already exist in our MXF */
127 int _first_nonexistant_frame;
128 /** the data of the last written frame, if there is one */
129 std::shared_ptr<const dcp::Data> _last_written[static_cast<int>(Eyes::COUNT)];
130 /** index of this reel within the DCP (starting from 0) */
132 /** number of reels in the DCP */
134 boost::optional<std::string> _content_summary;
135 std::weak_ptr<Job> _job;
138 dcp::ArrayData _default_font;
140 std::shared_ptr<dcp::PictureAsset> _picture_asset;
141 /** picture asset writer, or 0 if we are not writing any picture because we already have one */
142 std::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
143 std::shared_ptr<dcp::SoundAsset> _sound_asset;
144 std::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
145 std::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
146 std::map<DCPTextTrack, std::shared_ptr<dcp::SubtitleAsset>> _closed_caption_assets;
147 std::shared_ptr<dcp::AtmosAsset> _atmos_asset;
148 std::shared_ptr<dcp::AtmosAssetWriter> _atmos_asset_writer;
150 static int const _info_size;