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/*
Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/lib/audio_content.h
* @brief AudioContent and AudioContentProperty classes.
*/
#ifndef DCPOMATIC_AUDIO_CONTENT_H
#define DCPOMATIC_AUDIO_CONTENT_H
#include "content.h"
#include "audio_stream.h"
#include "audio_mapping.h"
/** @class AudioContentProperty
* @brief Names for properties of AudioContent.
*/
class AudioContentProperty
{
public:
static int const AUDIO_STREAMS;
static int const AUDIO_GAIN;
static int const AUDIO_DELAY;
};
/** @class AudioContent
* @brief Parent class for content which may contain audio data.
*/
class AudioContent : public virtual Content
{
public:
AudioContent (boost::shared_ptr<const Film>);
AudioContent (boost::shared_ptr<const Film>, DCPTime);
AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);
AudioContent (boost::shared_ptr<const Film>, cxml::ConstNodePtr);
AudioContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
void as_xml (xmlpp::Node *) const;
std::string technical_summary () const;
virtual std::vector<AudioStreamPtr> audio_streams () const = 0;
AudioMapping audio_mapping () const;
void set_audio_mapping (AudioMapping);
int resampled_audio_frame_rate () const;
bool has_rate_above_48k () const;
std::vector<std::string> audio_channel_names () const;
void set_audio_gain (double);
void set_audio_delay (int);
double audio_gain () const {
boost::mutex::scoped_lock lm (_mutex);
return _audio_gain;
}
int audio_delay () const {
boost::mutex::scoped_lock lm (_mutex);
return _audio_delay;
}
std::string processing_description () const;
protected:
void add_properties (std::list<UserProperty> &) const;
private:
/** Gain to apply to audio in dB */
double _audio_gain;
/** Delay to apply to audio (positive moves audio later) in milliseconds */
int _audio_delay;
};
#endif
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