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 "font_id_map.h"
26 #include "player_text.h"
27 #include "referenced_reel_asset.h"
29 #include "weak_film.h"
30 #include <dcp/atmos_asset_writer.h>
32 #include <dcp/picture_asset_writer.h>
39 struct write_frame_info_test;
43 class MonoPictureAsset;
44 class MonoPictureAssetWriter;
46 class PictureAssetWriter;
49 class ReelPictureAsset;
51 class SoundAssetWriter;
52 class StereoPictureAsset;
53 class StereoPictureAssetWriter;
58 class ReelWriter : public WeakConstFilm
62 std::weak_ptr<const Film> film,
63 dcpomatic::DCPTimePeriod period,
64 std::shared_ptr<Job> job,
70 void write (std::shared_ptr<const dcp::Data> encoded, Frame frame, Eyes eyes);
71 void fake_write (int size);
72 void repeat_write (Frame frame, Eyes eyes);
73 void write (std::shared_ptr<const AudioBuffers> audio);
74 void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period, FontIdMap const& fonts);
75 void write (std::shared_ptr<const dcp::AtmosFrame> atmos, AtmosMetadata metadata);
77 void finish (boost::filesystem::path output_dcp);
78 std::shared_ptr<dcp::Reel> create_reel (
79 std::list<ReferencedReelAsset> const & refs,
80 FontIdMap const & fonts,
81 std::shared_ptr<dcpomatic::Font> chosen_interop_font,
82 boost::filesystem::path output_dcp,
83 bool ensure_subtitles,
84 std::set<DCPTextTrack> ensure_closed_captions
86 void calculate_digests (std::function<void (float)> set_progress);
90 dcpomatic::DCPTimePeriod period () const {
94 int first_nonexistant_frame () const {
95 return _first_nonexistant_frame;
98 dcp::FrameInfo read_frame_info (std::shared_ptr<InfoFileHandle> info, Frame frame, Eyes eyes) const;
102 friend struct ::write_frame_info_test;
104 void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
105 long frame_info_position (Frame frame, Eyes eyes) const;
106 Frame check_existing_picture_asset (boost::filesystem::path asset);
107 bool existing_picture_frame_ok (dcp::File& asset_file, std::shared_ptr<InfoFileHandle> info_file, Frame frame) const;
108 std::shared_ptr<dcp::SubtitleAsset> empty_text_asset (TextType type, boost::optional<DCPTextTrack> track, bool with_dummy) const;
110 std::shared_ptr<dcp::ReelPictureAsset> create_reel_picture (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
111 void create_reel_sound (std::shared_ptr<dcp::Reel> reel, std::list<ReferencedReelAsset> const & refs) const;
112 void create_reel_text (
113 std::shared_ptr<dcp::Reel> reel,
114 std::list<ReferencedReelAsset> const & refs,
115 FontIdMap const& fonts,
116 std::shared_ptr<dcpomatic::Font> chosen_interop_font,
118 boost::filesystem::path output_dcp,
119 bool ensure_subtitles,
120 std::set<DCPTextTrack> ensure_closed_captions
122 void create_reel_markers (std::shared_ptr<dcp::Reel> reel) const;
124 dcpomatic::DCPTimePeriod _period;
125 /** the first picture frame index that does not already exist in our MXF */
126 int _first_nonexistant_frame;
127 /** the data of the last written frame, if there is one */
128 std::shared_ptr<const dcp::Data> _last_written[static_cast<int>(Eyes::COUNT)];
129 /** index of this reel within the DCP (starting from 0) */
131 /** number of reels in the DCP */
133 boost::optional<std::string> _content_summary;
134 std::weak_ptr<Job> _job;
137 dcp::ArrayData _default_font;
139 std::shared_ptr<dcp::PictureAsset> _picture_asset;
140 /** picture asset writer, or 0 if we are not writing any picture because we already have one */
141 std::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
142 std::shared_ptr<dcp::SoundAsset> _sound_asset;
143 std::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
144 std::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
145 std::map<DCPTextTrack, std::shared_ptr<dcp::SubtitleAsset>> _closed_caption_assets;
146 std::shared_ptr<dcp::AtmosAsset> _atmos_asset;
147 std::shared_ptr<dcp::AtmosAssetWriter> _atmos_asset_writer;
149 static int const _info_size;