2 Copyright (C) 2014-2016 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 /** @file src/dcp_decoder.h
22 * @brief A decoder of existing DCPs.
27 #include <dcp/mono_picture_asset_reader.h>
28 #include <dcp/stereo_picture_asset_reader.h>
29 #include <dcp/sound_asset_reader.h>
30 #include <dcp/subtitle_asset.h>
38 struct dcp_subtitle_within_dcp_test;
40 class DCPDecoder : public DCP, public Decoder
43 DCPDecoder (boost::shared_ptr<const DCPContent>, bool fast);
45 std::list<boost::shared_ptr<dcp::Reel> > reels () const {
49 void set_decode_referenced (bool r);
50 void set_forced_reduction (boost::optional<int> reduction);
52 bool pass (boost::shared_ptr<const Film> film);
53 void seek (boost::shared_ptr<const Film> film, ContentTime t, bool accurate);
56 friend struct dcp_subtitle_within_dcp_test;
60 void pass_texts (boost::shared_ptr<const Film> film, ContentTime next, dcp::Size size);
62 boost::shared_ptr<const Film> film,
64 boost::shared_ptr<dcp::SubtitleAsset> asset,
67 boost::shared_ptr<TextDecoder> decoder,
71 /** Time of next thing to return from pass relative to the start of _reel */
73 std::list<boost::shared_ptr<dcp::Reel> > _reels;
75 std::list<boost::shared_ptr<dcp::Reel> >::iterator _reel;
76 /** Offset of _reel from the start of the content in frames */
78 /** Reader for current mono picture asset, if applicable */
79 boost::shared_ptr<dcp::MonoPictureAssetReader> _mono_reader;
80 /** Reader for current stereo picture asset, if applicable */
81 boost::shared_ptr<dcp::StereoPictureAssetReader> _stereo_reader;
82 /** Reader for current sound asset, if applicable */
83 boost::shared_ptr<dcp::SoundAssetReader> _sound_reader;
85 bool _decode_referenced;
86 boost::optional<int> _forced_reduction;