More player debugging for butler video-full states.
[dcpomatic.git] / src / lib / reel_writer.h
1 /*
2     Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
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.
10
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.
15
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/>.
18
19 */
20
21 #include "types.h"
22 #include "dcpomatic_time.h"
23 #include "referenced_reel_asset.h"
24 #include "player_text.h"
25 #include "dcp_text_track.h"
26 #include <dcp/picture_asset_writer.h>
27 #include <boost/shared_ptr.hpp>
28
29 class Film;
30 class Job;
31 class Font;
32 class AudioBuffers;
33
34 namespace dcp {
35         class MonoPictureAsset;
36         class MonoPictureAssetWriter;
37         class StereoPictureAsset;
38         class StereoPictureAssetWriter;
39         class PictureAsset;
40         class PictureAssetWriter;
41         class SoundAsset;
42         class SoundAssetWriter;
43         class SubtitleAsset;
44         class ReelAsset;
45         class Reel;
46 }
47
48 class ReelWriter
49 {
50 public:
51         ReelWriter (
52                 boost::shared_ptr<const Film> film,
53                 DCPTimePeriod period,
54                 boost::shared_ptr<Job> job,
55                 int reel_index,
56                 int reel_count,
57                 boost::optional<std::string> content_summary
58                 );
59
60         void write (boost::optional<dcp::Data> encoded, Frame frame, Eyes eyes);
61         void fake_write (Frame frame, Eyes eyes, int size);
62         void repeat_write (Frame frame, Eyes eyes);
63         void write (boost::shared_ptr<const AudioBuffers> audio);
64         void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, DCPTimePeriod period);
65
66         void finish ();
67         boost::shared_ptr<dcp::Reel> create_reel (std::list<ReferencedReelAsset> const & refs, std::list<boost::shared_ptr<Font> > const & fonts);
68         void calculate_digests (boost::function<void (float)> set_progress);
69
70         Frame start () const;
71
72         DCPTimePeriod period () const {
73                 return _period;
74         }
75
76         int last_written_video_frame () const {
77                 return _last_written_video_frame;
78         }
79
80         Eyes last_written_eyes () const {
81                 return _last_written_eyes;
82         }
83
84         int first_nonexistant_frame () const {
85                 return _first_nonexistant_frame;
86         }
87
88         dcp::FrameInfo read_frame_info (FILE* file, Frame frame, Eyes eyes) const;
89
90 private:
91
92         void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
93         long frame_info_position (Frame frame, Eyes eyes) const;
94         Frame check_existing_picture_asset ();
95         bool existing_picture_frame_ok (FILE* asset_file, FILE* info_file, Frame frame) const;
96
97         boost::shared_ptr<const Film> _film;
98
99         DCPTimePeriod _period;
100         /** the first picture frame index that does not already exist in our MXF */
101         int _first_nonexistant_frame;
102         /** the data of the last written frame, if there is one */
103         boost::optional<dcp::Data> _last_written[EYES_COUNT];
104         /** the index of the last written video frame within the reel */
105         int _last_written_video_frame;
106         Eyes _last_written_eyes;
107         /** index of this reel within the DCP (starting from 0) */
108         int _reel_index;
109         /** number of reels in the DCP */
110         int _reel_count;
111         boost::optional<std::string> _content_summary;
112
113         boost::shared_ptr<dcp::PictureAsset> _picture_asset;
114         boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
115         boost::shared_ptr<dcp::SoundAsset> _sound_asset;
116         boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
117         boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
118         std::map<DCPTextTrack, boost::shared_ptr<dcp::SubtitleAsset> > _closed_caption_assets;
119
120         static int const _info_size;
121 };