2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef DCPOMATIC_VIDEO_CONTENT_H
21 #define DCPOMATIC_VIDEO_CONTENT_H
23 #include "colour_conversion.h"
24 #include "video_content_scale.h"
25 #include "dcpomatic_time.h"
26 #include "user_property.h"
28 #include "content_part.h"
29 #include <boost/thread/mutex.hpp>
30 #include <boost/weak_ptr.hpp>
31 #include <boost/enable_shared_from_this.hpp>
38 class VideoContentProperty
41 static int const SIZE;
42 static int const FRAME_TYPE;
43 static int const CROP;
44 static int const SCALE;
45 static int const COLOUR_CONVERSION;
46 static int const FADE_IN;
47 static int const FADE_OUT;
50 class VideoContent : public ContentPart, public boost::enable_shared_from_this<VideoContent>
53 VideoContent (Content* parent, boost::shared_ptr<const Film>);
54 VideoContent (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr, int);
55 VideoContent (Content* parent, boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
57 void as_xml (xmlpp::Node *) const;
58 std::string technical_summary () const;
59 std::string identifier () const;
61 Frame length () const {
62 boost::mutex::scoped_lock lm (_mutex);
66 Frame length_after_3d_combine () const {
67 boost::mutex::scoped_lock lm (_mutex);
68 if (_frame_type == VIDEO_FRAME_TYPE_3D_ALTERNATE) {
75 dcp::Size size () const {
76 boost::mutex::scoped_lock lm (_mutex);
80 void set_frame_type (VideoFrameType);
82 void set_left_crop (int);
83 void set_right_crop (int);
84 void set_top_crop (int);
85 void set_bottom_crop (int);
87 void set_scale (VideoContentScale);
88 void unset_colour_conversion ();
89 void set_colour_conversion (ColourConversion);
91 void set_fade_in (Frame);
92 void set_fade_out (Frame);
94 VideoFrameType frame_type () const {
95 boost::mutex::scoped_lock lm (_mutex);
100 boost::mutex::scoped_lock lm (_mutex);
104 int left_crop () const {
105 boost::mutex::scoped_lock lm (_mutex);
109 int right_crop () const {
110 boost::mutex::scoped_lock lm (_mutex);
114 int top_crop () const {
115 boost::mutex::scoped_lock lm (_mutex);
119 int bottom_crop () const {
120 boost::mutex::scoped_lock lm (_mutex);
124 /** @return Description of how to scale this content (if indeed it should be scaled) */
125 VideoContentScale scale () const {
126 boost::mutex::scoped_lock lm (_mutex);
130 boost::optional<ColourConversion> colour_conversion () const {
131 boost::mutex::scoped_lock lm (_mutex);
132 return _colour_conversion;
135 boost::optional<double> sample_aspect_ratio () const {
136 boost::mutex::scoped_lock lm (_mutex);
137 return _sample_aspect_ratio;
141 boost::mutex::scoped_lock lm (_mutex);
145 Frame fade_in () const {
146 boost::mutex::scoped_lock lm (_mutex);
150 Frame fade_out () const {
151 boost::mutex::scoped_lock lm (_mutex);
155 dcp::Size size_after_3d_split () const;
156 dcp::Size size_after_crop () const;
158 boost::optional<double> fade (Frame) const;
160 void scale_and_crop_to_fit_width ();
161 void scale_and_crop_to_fit_height ();
163 std::string processing_description () const;
165 void set_length (Frame);
167 void take_from_examiner (boost::shared_ptr<VideoExaminer>);
168 void add_properties (std::list<UserProperty> &) const;
172 friend struct ffmpeg_pts_offset_test;
173 friend struct best_dcp_frame_rate_test_single;
174 friend struct best_dcp_frame_rate_test_double;
175 friend struct audio_sampling_rate_test;
177 void setup_default_colour_conversion ();
180 boost::optional<ColourConversion> _colour_conversion;
182 VideoFrameType _frame_type;
184 VideoContentScale _scale;
185 /** Sample aspect ratio obtained from the content file's header, if there is one */
186 boost::optional<double> _sample_aspect_ratio;