2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/lib/audio_content.h
21 * @brief AudioContent and AudioContentProperty classes.
24 #ifndef DCPOMATIC_AUDIO_CONTENT_H
25 #define DCPOMATIC_AUDIO_CONTENT_H
27 #include "content_part.h"
28 #include "audio_stream.h"
29 #include "audio_mapping.h"
31 /** @class AudioContentProperty
32 * @brief Names for properties of AudioContent.
34 class AudioContentProperty
37 static int const STREAMS;
38 static int const GAIN;
39 static int const DELAY;
42 class AudioContent : public ContentPart
45 AudioContent (Content* parent, boost::shared_ptr<const Film>);
46 AudioContent (Content* parent, boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
48 void as_xml (xmlpp::Node *) const;
49 std::string technical_summary () const;
51 AudioMapping mapping () const;
52 void set_mapping (AudioMapping);
53 int resampled_frame_rate () const;
54 bool has_rate_above_48k () const;
55 std::vector<std::string> channel_names () const;
57 void set_gain (double);
60 double gain () const {
61 boost::mutex::scoped_lock lm (_mutex);
66 boost::mutex::scoped_lock lm (_mutex);
70 std::string processing_description () const;
72 std::vector<AudioStreamPtr> streams () const {
73 boost::mutex::scoped_lock lm (_mutex);
77 void add_stream (AudioStreamPtr stream);
78 void set_stream (AudioStreamPtr stream);
79 void set_streams (std::vector<AudioStreamPtr> streams);
80 AudioStreamPtr stream () const;
82 void add_properties (std::list<UserProperty> &) const;
84 static boost::shared_ptr<AudioContent> from_xml (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr);
88 AudioContent (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr);
90 /** Gain to apply to audio in dB */
92 /** Delay to apply to audio (positive moves audio later) in milliseconds */
94 std::vector<AudioStreamPtr> _streams;