1 /* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
4 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
6 This program 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 This program 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 this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #ifndef DCPOMATIC_AUDIO_CONTENT_H
23 #define DCPOMATIC_AUDIO_CONTENT_H
26 #include "audio_mapping.h"
32 class AudioContentProperty
35 static int const AUDIO_CHANNELS;
36 static int const AUDIO_LENGTH;
37 static int const AUDIO_FRAME_RATE;
38 static int const AUDIO_GAIN;
39 static int const AUDIO_DELAY;
42 class AudioContent : public virtual Content
45 AudioContent (boost::shared_ptr<const Film>, Time);
46 AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);
47 AudioContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
48 AudioContent (AudioContent const &);
50 void as_xml (xmlpp::Node *) const;
52 virtual int audio_channels () const = 0;
53 virtual ContentAudioFrame audio_length () const = 0;
54 virtual int content_audio_frame_rate () const = 0;
55 virtual int output_audio_frame_rate () const = 0;
56 virtual AudioMapping audio_mapping () const = 0;
58 void set_audio_gain (float);
59 void set_audio_delay (int);
61 float audio_gain () const {
62 boost::mutex::scoped_lock lm (_mutex);
66 int audio_delay () const {
67 boost::mutex::scoped_lock lm (_mutex);
72 /** Gain to apply to audio in dB */
74 /** Delay to apply to audio (positive moves audio later) in milliseconds */