2 Copyright (C) 2013 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 #include <libcxml/cxml.h>
21 #include "audio_content.h"
25 using boost::shared_ptr;
26 using boost::lexical_cast;
28 int const AudioContentProperty::AUDIO_CHANNELS = 200;
29 int const AudioContentProperty::AUDIO_LENGTH = 201;
30 int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
31 int const AudioContentProperty::AUDIO_GAIN = 203;
32 int const AudioContentProperty::AUDIO_DELAY = 204;
33 int const AudioContentProperty::AUDIO_MAPPING = 205;
35 AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
43 AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
51 AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
54 _audio_gain = node->number_child<float> ("AudioGain");
55 _audio_delay = node->number_child<int> ("AudioDelay");
58 AudioContent::AudioContent (AudioContent const & o)
60 , _audio_gain (o._audio_gain)
61 , _audio_delay (o._audio_delay)
67 AudioContent::as_xml (xmlpp::Node* node) const
69 boost::mutex::scoped_lock lm (_mutex);
70 node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
71 node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
76 AudioContent::set_audio_gain (float g)
79 boost::mutex::scoped_lock lm (_mutex);
83 signal_changed (AudioContentProperty::AUDIO_GAIN);
87 AudioContent::set_audio_delay (int d)
90 boost::mutex::scoped_lock lm (_mutex);
94 signal_changed (AudioContentProperty::AUDIO_DELAY);