2 Copyright (C) 2013-2015 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
28 #include "audio_stream.h"
29 #include "audio_mapping.h"
35 /** @class AudioContentProperty
36 * @brief Names for properties of AudioContent.
38 class AudioContentProperty
41 static int const AUDIO_STREAMS;
42 static int const AUDIO_GAIN;
43 static int const AUDIO_DELAY;
46 /** @class AudioContent
47 * @brief Parent class for content which may contain audio data.
49 class AudioContent : public virtual Content
52 AudioContent (boost::shared_ptr<const Film>);
53 AudioContent (boost::shared_ptr<const Film>, DCPTime);
54 AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);
55 AudioContent (boost::shared_ptr<const Film>, cxml::ConstNodePtr);
56 AudioContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
58 void as_xml (xmlpp::Node *) const;
59 std::string technical_summary () const;
61 virtual std::vector<AudioStreamPtr> audio_streams () const = 0;
63 AudioMapping audio_mapping () const;
64 void set_audio_mapping (AudioMapping);
65 int resampled_audio_frame_rate () const;
66 bool has_rate_above_48k () const;
67 std::vector<std::string> audio_channel_names () const;
69 void set_audio_gain (double);
70 void set_audio_delay (int);
72 double audio_gain () const {
73 boost::mutex::scoped_lock lm (_mutex);
77 int audio_delay () const {
78 boost::mutex::scoped_lock lm (_mutex);
82 std::string processing_description () const;
85 /** Gain to apply to audio in dB */
87 /** Delay to apply to audio (positive moves audio later) in milliseconds */