/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 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
*/
+/** @file src/lib/audio_content.h
+ * @brief AudioContent and AudioContentProperty classes.
+ */
+
#ifndef DCPOMATIC_AUDIO_CONTENT_H
#define DCPOMATIC_AUDIO_CONTENT_H
class Node;
}
+class AudioProcessor;
+
class AudioContentProperty
{
public:
static int const AUDIO_GAIN;
static int const AUDIO_DELAY;
static int const AUDIO_MAPPING;
+ static int const AUDIO_PROCESSOR;
};
+/** @class AudioContent
+ * @brief Parent class for content which may contain audio data.
+ */
class AudioContent : public virtual Content
{
public:
typedef int64_t Frame;
+ 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>, boost::shared_ptr<const cxml::Node>);
+ 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;
+ /** @return number of audio channels in the content */
virtual int audio_channels () const = 0;
+ /** @return the length of the audio in the content */
virtual ContentTime audio_length () const = 0;
- virtual int content_audio_frame_rate () const = 0;
- virtual int output_audio_frame_rate () const = 0;
+ /** @return the frame rate of the content */
+ virtual int audio_frame_rate () const = 0;
virtual AudioMapping audio_mapping () const = 0;
- virtual void set_audio_mapping (AudioMapping) = 0;
+ virtual void set_audio_mapping (AudioMapping);
virtual boost::filesystem::path audio_analysis_path () const;
+ int resampled_audio_frame_rate () const;
+ int processed_audio_channels () const;
+
boost::signals2::connection analyse_audio (boost::function<void()>);
- void set_audio_gain (float);
+ void set_audio_gain (double);
void set_audio_delay (int);
+ void set_audio_processor (AudioProcessor const *);
- float audio_gain () const {
+ double audio_gain () const {
boost::mutex::scoped_lock lm (_mutex);
return _audio_gain;
}
return _audio_delay;
}
+ AudioProcessor const * audio_processor () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _audio_processor;
+ }
+
private:
/** Gain to apply to audio in dB */
- float _audio_gain;
+ double _audio_gain;
/** Delay to apply to audio (positive moves audio later) in milliseconds */
int _audio_delay;
+ AudioProcessor const * _audio_processor;
};
#endif