/*
- 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
*/
-#ifndef DVDOMATIC_AUDIO_CONTENT_H
-#define DVDOMATIC_AUDIO_CONTENT_H
+/** @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 "util.h"
+#include "audio_mapping.h"
namespace cxml {
class Node;
static int const AUDIO_CHANNELS;
static int const AUDIO_LENGTH;
static int const AUDIO_FRAME_RATE;
+ static int const AUDIO_GAIN;
+ static int const AUDIO_DELAY;
+ static int const AUDIO_MAPPING;
};
+/** @class AudioContent
+ * @brief Parent class for content which may contain audio data.
+ */
class AudioContent : public virtual Content
{
public:
- AudioContent (boost::filesystem::path);
- AudioContent (boost::shared_ptr<const cxml::Node>);
- AudioContent (AudioContent const &);
-
- virtual int audio_channels () const = 0;
- virtual ContentAudioFrame audio_length () const = 0;
- virtual int audio_frame_rate () const = 0;
- virtual int64_t audio_channel_layout () const = 0;
+ typedef int64_t Frame;
+
+ 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>, 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;
+ /** @return the frame rate of the content */
+ virtual int content_audio_frame_rate () const = 0;
+ virtual int output_audio_frame_rate () const = 0;
+ virtual AudioMapping audio_mapping () const = 0;
+ virtual void set_audio_mapping (AudioMapping);
+ virtual boost::filesystem::path audio_analysis_path () const;
+
+ boost::signals2::connection analyse_audio (boost::function<void()>);
+
+ void set_audio_gain (float);
+ void set_audio_delay (int);
+ float 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;
+ }
+
+private:
+ /** Gain to apply to audio in dB */
+ float _audio_gain;
+ /** Delay to apply to audio (positive moves audio later) in milliseconds */
+ int _audio_delay;
};
#endif