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/*
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
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.
*/
#ifndef DCPOMATIC_VIDEO_CONTENT_H
#define DCPOMATIC_VIDEO_CONTENT_H
#include "content.h"
#include "colour_conversion.h"
#include "video_content_scale.h"
class VideoExaminer;
class Ratio;
class VideoContentProperty
{
public:
static int const VIDEO_SIZE;
static int const VIDEO_FRAME_RATE;
static int const VIDEO_FRAME_TYPE;
static int const VIDEO_CROP;
static int const VIDEO_SCALE;
static int const COLOUR_CONVERSION;
static int const VIDEO_FADE_IN;
static int const VIDEO_FADE_OUT;
};
class VideoContent : public virtual Content
{
public:
VideoContent (boost::shared_ptr<const Film>);
VideoContent (boost::shared_ptr<const Film>, DCPTime, Frame);
VideoContent (boost::shared_ptr<const Film>, boost::filesystem::path);
VideoContent (boost::shared_ptr<const Film>, cxml::ConstNodePtr, int);
VideoContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
void as_xml (xmlpp::Node *) const;
std::string technical_summary () const;
virtual std::string identifier () const;
virtual void set_default_colour_conversion ();
Frame video_length () const {
boost::mutex::scoped_lock lm (_mutex);
return _video_length;
}
Frame video_length_after_3d_combine () const {
boost::mutex::scoped_lock lm (_mutex);
if (_video_frame_type == VIDEO_FRAME_TYPE_3D_ALTERNATE) {
return _video_length / 2;
}
return _video_length;
}
dcp::Size video_size () const {
boost::mutex::scoped_lock lm (_mutex);
return _video_size;
}
double video_frame_rate () const;
/** @return true if this content has a specific video frame rate, false
* if it should use the DCP's rate.
*/
bool has_own_video_frame_rate () const {
boost::mutex::scoped_lock lm (_mutex);
return static_cast<bool>(_video_frame_rate);
}
void set_video_frame_type (VideoFrameType);
void set_video_frame_rate (double);
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 video_frame_type () const {
boost::mutex::scoped_lock lm (_mutex);
return _video_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 video_size_after_3d_split () const;
dcp::Size video_size_after_crop () const;
ContentTime dcp_time_to_content_time (DCPTime) const;
boost::optional<double> fade (Frame) const;
void scale_and_crop_to_fit_width ();
void scale_and_crop_to_fit_height ();
std::string processing_description () const;
protected:
void take_from_video_examiner (boost::shared_ptr<VideoExaminer>);
void add_properties (std::list<UserProperty> &) const;
Frame _video_length;
/** Video frame rate, or not set if this content should use the DCP's frame rate */
boost::optional<double> _video_frame_rate;
boost::optional<ColourConversion> _colour_conversion;
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;
void setup_default_colour_conversion ();
dcp::Size _video_size;
VideoFrameType _video_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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