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 #include <libcxml/cxml.h>
23 #include "audio_content.h"
26 using boost::shared_ptr;
27 using boost::lexical_cast;
29 int const AudioContentProperty::AUDIO_CHANNELS = 200;
30 int const AudioContentProperty::AUDIO_LENGTH = 201;
31 int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
32 int const AudioContentProperty::AUDIO_GAIN = 203;
33 int const AudioContentProperty::AUDIO_DELAY = 204;
35 AudioContent::AudioContent (boost::filesystem::path f)
43 AudioContent::AudioContent (shared_ptr<const cxml::Node> node)
46 _audio_gain = node->number_child<float> ("AudioGain");
47 _audio_delay = node->number_child<int> ("AudioDelay");
50 AudioContent::AudioContent (AudioContent const & o)
52 , _audio_gain (o._audio_gain)
53 , _audio_delay (o._audio_delay)
59 AudioContent::as_xml (xmlpp::Node* node) const
61 boost::mutex::scoped_lock lm (_mutex);
62 node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
63 node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
68 AudioContent::set_audio_gain (float g)
71 boost::mutex::scoped_lock lm (_mutex);
75 signal_changed (AudioContentProperty::AUDIO_GAIN);
79 AudioContent::set_audio_delay (int d)
82 boost::mutex::scoped_lock lm (_mutex);
86 signal_changed (AudioContentProperty::AUDIO_DELAY);