2 Copyright (C) 2013-2021 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 #ifndef DCPOMATIC_PIECE_H
23 #define DCPOMATIC_PIECE_H
26 #include "audio_stream.h"
27 #include "dcpomatic_time.h"
28 #include "font_data.h"
29 #include "frame_rate_change.h"
30 #include "piece_audio.h"
31 #include "piece_video.h"
33 #include <boost/signals2.hpp>
41 struct overlap_video_test1;
42 struct check_reuse_old_data_test;
48 Piece (std::weak_ptr<const Film> film, std::shared_ptr<Content> content, std::shared_ptr<Decoder> decoder, FrameRateChange frc, bool fast);
50 void update_pull_to (dcpomatic::DCPTime& pull_to) const;
51 void set_last_push_end (AudioStreamPtr stream, dcpomatic::DCPTime last_push_end);
53 dcpomatic::DCPTime content_video_to_dcp (Frame f) const;
54 dcpomatic::DCPTime resampled_audio_to_dcp (Frame f) const;
55 dcpomatic::ContentTime dcp_to_content_time (dcpomatic::DCPTime t) const;
56 boost::optional<dcpomatic::DCPTime> content_time_to_dcp (std::shared_ptr<const Content> content, dcpomatic::ContentTime t) const;
60 bool use_video () const;
61 VideoFrameType video_frame_type () const;
63 FrameRateChange frame_rate_change () const {
67 dcpomatic::DCPTime position () const;
68 dcpomatic::DCPTime end () const;
69 dcpomatic::DCPTimePeriod period () const;
71 std::shared_ptr<PlayerVideo> player_video (PieceVideo video, dcp::Size container_size) const;
73 int resampled_audio_frame_rate () const;
74 double audio_gain () const;
75 bool reference_dcp_audio () const;
77 std::shared_ptr<Decoder> decoder_for (std::shared_ptr<Content> content) const;
79 void seek (dcpomatic::DCPTime time, bool accurate);
80 boost::optional<dcpomatic::DCPTime> decoder_before(boost::optional<dcpomatic::DCPTime> time);
81 std::vector<dcpomatic::FontData> fonts () const;
83 void set_ignore_video (boost::optional<dcpomatic::DCPTimePeriod> period) {
84 _ignore_video = period;
87 bool ignore_video_at (dcpomatic::DCPTime time) const;
89 boost::signals2::signal<void (PieceVideo)> Video;
90 boost::signals2::signal<void (PieceAudio)> Audio;
93 friend struct overlap_video_test1;
94 friend struct check_reuse_old_data_test;
96 void video (std::shared_ptr<const ImageProxy> image, Frame frame, Eyes eyes, Part part);
97 void audio (std::shared_ptr<AudioStream> stream, std::shared_ptr<const AudioBuffers> audio, Frame frame);
101 std::weak_ptr<const Film> _film;
102 std::shared_ptr<Content> _content;
103 std::shared_ptr<Decoder> _decoder;
104 FrameRateChange _frc;
107 boost::optional<dcpomatic::DCPTimePeriod> _ignore_video;
108 std::map<AudioStreamPtr, dcpomatic::DCPTime> _stream_last_push_end;
110 std::map<AudioStreamPtr, std::shared_ptr<Resampler>> _resamplers;
111 std::map<AudioStreamPtr, Frame> _positions;