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/*
Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_VIDEO_CONTENT_H
#define DCPOMATIC_VIDEO_CONTENT_H
#include "colour_conversion.h"
#include "video_content_scale.h"
#include "dcpomatic_time.h"
#include "user_property.h"
#include "types.h"
#include "content_part.h"
#include <boost/thread/mutex.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
class VideoExaminer;
class Ratio;
class Film;
class Content;
class VideoContentProperty
{
public:
static int const SIZE;
static int const FRAME_TYPE;
static int const CROP;
static int const SCALE;
static int const COLOUR_CONVERSION;
static int const FADE_IN;
static int const FADE_OUT;
};
class VideoContent : public ContentPart, public boost::enable_shared_from_this<VideoContent>
{
public:
explicit VideoContent (Content* parent);
VideoContent (Content* parent, std::vector<boost::shared_ptr<Content> >);
void as_xml (xmlpp::Node *) const;
std::string technical_summary () const;
std::string identifier () const;
void take_settings_from (boost::shared_ptr<const VideoContent> c);
Frame length () const {
boost::mutex::scoped_lock lm (_mutex);
return _length;
}
Frame length_after_3d_combine () const {
boost::mutex::scoped_lock lm (_mutex);
if (_frame_type == VIDEO_FRAME_TYPE_3D_ALTERNATE) {
return _length / 2;
}
return _length;
}
dcp::Size size () const {
boost::mutex::scoped_lock lm (_mutex);
return _size;
}
void set_frame_type (VideoFrameType);
void set_left_crop (int);
void set_right_crop (int);
void set_top_crop (int);
void set_bottom_crop (int);
void set_scale (VideoContentScale);
void unset_colour_conversion ();
void set_colour_conversion (ColourConversion);
void set_fade_in (Frame);
void set_fade_out (Frame);
VideoFrameType frame_type () const {
boost::mutex::scoped_lock lm (_mutex);
return _frame_type;
}
Crop crop () const {
boost::mutex::scoped_lock lm (_mutex);
return _crop;
}
int left_crop () const {
boost::mutex::scoped_lock lm (_mutex);
return _crop.left;
}
int right_crop () const {
boost::mutex::scoped_lock lm (_mutex);
return _crop.right;
}
int top_crop () const {
boost::mutex::scoped_lock lm (_mutex);
return _crop.top;
}
int bottom_crop () const {
boost::mutex::scoped_lock lm (_mutex);
return _crop.bottom;
}
/** @return Description of how to scale this content (if indeed it should be scaled) */
VideoContentScale scale () const {
boost::mutex::scoped_lock lm (_mutex);
return _scale;
}
boost::optional<ColourConversion> colour_conversion () const {
boost::mutex::scoped_lock lm (_mutex);
return _colour_conversion;
}
boost::optional<double> sample_aspect_ratio () const {
boost::mutex::scoped_lock lm (_mutex);
return _sample_aspect_ratio;
}
bool yuv () const {
boost::mutex::scoped_lock lm (_mutex);
return _yuv;
}
Frame fade_in () const {
boost::mutex::scoped_lock lm (_mutex);
return _fade_in;
}
Frame fade_out () const {
boost::mutex::scoped_lock lm (_mutex);
return _fade_out;
}
dcp::Size size_after_3d_split () const;
dcp::Size size_after_crop () const;
boost::optional<double> fade (boost::shared_ptr<const Film> film, Frame) const;
void scale_and_crop_to_fit_width (boost::shared_ptr<const Film> film);
void scale_and_crop_to_fit_height (boost::shared_ptr<const Film> film);
std::string processing_description (boost::shared_ptr<const Film> film) const;
void set_length (Frame);
void take_from_examiner (boost::shared_ptr<VideoExaminer>);
void add_properties (std::list<UserProperty> &) const;
void modify_position (boost::shared_ptr<const Film> film, DCPTime& pos) const;
void modify_trim_start (ContentTime& pos) const;
static boost::shared_ptr<VideoContent> from_xml (Content* parent, cxml::ConstNodePtr, int);
private:
friend struct ffmpeg_pts_offset_test;
friend struct best_dcp_frame_rate_test_single;
friend struct best_dcp_frame_rate_test_double;
friend struct audio_sampling_rate_test;
VideoContent (Content* parent, cxml::ConstNodePtr, int);
void setup_default_colour_conversion ();
Frame _length;
boost::optional<ColourConversion> _colour_conversion;
dcp::Size _size;
VideoFrameType _frame_type;
Crop _crop;
VideoContentScale _scale;
/** Sample aspect ratio obtained from the content file's header, if there is one */
boost::optional<double> _sample_aspect_ratio;
bool _yuv;
Frame _fade_in;
Frame _fade_out;
};
#endif
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