/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
+
+/** @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_mapping.h"
+#include "audio_stream.h"
+#include "content_part.h"
+#include "named_channel.h"
-namespace cxml {
- class Node;
-}
+/** @class AudioContentProperty
+ * @brief Names for properties of AudioContent.
+ */
class AudioContentProperty
{
public:
- 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;
+ static int const STREAMS;
+ static int const GAIN;
+ static int const DELAY;
+ static int const FADE_IN;
+ static int const FADE_OUT;
+ static int const USE_SAME_FADES_AS_VIDEO;
};
-class AudioContent : public virtual Content
+
+class AudioContent : public ContentPart
{
public:
- typedef int64_t Frame;
-
- AudioContent (boost::shared_ptr<const Film>, Time);
- 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> >);
+ explicit AudioContent (Content* parent);
+ AudioContent (Content* parent, std::vector<std::shared_ptr<Content>>);
+ AudioContent (Content* parent, cxml::ConstNodePtr);
void as_xml (xmlpp::Node *) const;
std::string technical_summary () const;
+ void take_settings_from (std::shared_ptr<const AudioContent> c);
+
+ AudioMapping mapping () const;
+ void set_mapping (AudioMapping);
+ int resampled_frame_rate (std::shared_ptr<const Film> film) const;
+ std::vector<NamedChannel> channel_names () const;
+
+ /** Set gain in dB */
+ void set_gain (double);
+ /** Set delay in milliseconds (positive moves audio later) */
+ void set_delay (int);
+
+ double gain () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _gain;
+ }
- virtual int audio_channels () const = 0;
- virtual AudioContent::Frame audio_length () const = 0;
- virtual int content_audio_frame_rate () const = 0;
- virtual AudioMapping audio_mapping () const = 0;
- virtual void set_audio_mapping (AudioMapping) = 0;
- virtual boost::filesystem::path audio_analysis_path () const;
-
- int output_audio_frame_rate () const;
-
- boost::signals2::connection analyse_audio (boost::function<void()>);
-
- void set_audio_gain (double);
- void set_audio_delay (int);
-
- double audio_gain () const {
+ int delay () const {
boost::mutex::scoped_lock lm (_mutex);
- return _audio_gain;
+ return _delay;
}
- int audio_delay () const {
+ dcpomatic::ContentTime fade_in () const;
+ dcpomatic::ContentTime fade_out () const;
+
+ void set_fade_in (dcpomatic::ContentTime time);
+ void set_fade_out (dcpomatic::ContentTime time);
+ void set_use_same_fades_as_video (bool s);
+
+ std::string processing_description (std::shared_ptr<const Film> film) const;
+
+ std::vector<AudioStreamPtr> streams () const {
boost::mutex::scoped_lock lm (_mutex);
- return _audio_delay;
+ return _streams;
}
+ void add_stream (AudioStreamPtr stream);
+ void set_stream (AudioStreamPtr stream);
+ AudioStreamPtr stream () const;
+
+ void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty> &) const;
+
+ void modify_position (std::shared_ptr<const Film> film, dcpomatic::DCPTime& pos) const;
+ void modify_trim_start(std::shared_ptr<const Film> film, dcpomatic::ContentTime& pos) const;
+
+ /** @param frame frame within the whole (untrimmed) content.
+ * @param frame_rate The frame rate of the audio (it may have been resampled).
+ * @return a fade coefficient for @ref length samples starting at an offset @frame within
+ * the content, or an empty vector if the given section has no fade.
+ */
+ std::vector<float> fade (AudioStreamPtr stream, Frame frame, Frame length, int frame_rate) const;
+
+ static std::shared_ptr<AudioContent> from_xml (Content* parent, cxml::ConstNodePtr, int version);
+
private:
+
/** Gain to apply to audio in dB */
- double _audio_gain;
+ double _gain = 0;
/** Delay to apply to audio (positive moves audio later) in milliseconds */
- int _audio_delay;
+ int _delay = 0;
+ dcpomatic::ContentTime _fade_in;
+ dcpomatic::ContentTime _fade_out;
+ bool _use_same_fades_as_video = false;
+ std::vector<AudioStreamPtr> _streams;
};
#endif
projects / dcpomatic.git / blobdiff