summaryrefslogtreecommitdiff
path: root/src/picture_asset.h
blob: 08eb338ae19a182cf6d372d5fdba177f7fbbff3a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
    Copyright (C) 2012 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.

*/

/** @file  src/picture_asset.h
 *  @brief An asset made up of JPEG2000 files
 */

#include <openjpeg.h>
#include "mxf_asset.h"

namespace libdcp
{

class MonoPictureFrame;	
class StereoPictureFrame;	

/** @brief An asset made up of JPEG2000 files */
class PictureAsset : public MXFAsset
{
public:
	PictureAsset (std::string directory, std::string mxf_name, boost::signals2::signal<void (float)>* progress, int fps, int entry_point, int length);
	
	/** Write details of this asset to a CPL stream.
	 *  @param s Stream.
	 */
	void write_to_cpl (std::ostream& s) const;

	bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;

	int width () const {
		return _width;
	}

	int height () const {
		return _height;
	}

protected:	

	bool frame_buffer_equals (
		int frame, EqualityOptions opt, std::list<std::string>& notes,
		uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
		) const;
	
	/** picture width in pixels */
	int _width;
	/** picture height in pixels */
	int _height;
};

/** A 2D (monoscopic) picture asset */
class MonoPictureAsset : public PictureAsset
{
public:
	/** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
	 *  This may take some time; progress is indicated by emission of the Progress signal.
	 *  @param files Pathnames of JPEG2000 files, in frame order.
	 *  @param directory Directory in which to create MXF file.
	 *  @param mxf_name Name of MXF file to create.
	 *  @param progress Signal to inform of progress.
	 *  @param fps Frames per second.
	 *  @param length Length in frames.
	 *  @param width Width of images in pixels.
	 *  @param height Height of images in pixels.
	 */
	MonoPictureAsset (
		std::vector<std::string> const & files,
		std::string directory,
		std::string mxf_name,
		boost::signals2::signal<void (float)>* progress,
		int fps,
		int length,
		int width,
		int height
		);

	/** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
	 *  This may take some time; progress is indicated by emission of the Progress signal.
	 *  @param get_path Functor which returns a JPEG2000 file path for a given frame (frames counted from 0).
	 *  @param directory Directory in which to create MXF file.
	 *  @param mxf_name Name of MXF file to create.
	 *  @param progress Signal to inform of progress.
	 *  @param fps Frames per second.
	 *  @param length Length in frames.
	 *  @param width Width of images in pixels.
	 *  @param height Height of images in pixels.
	 */
	MonoPictureAsset (
		boost::function<std::string (int)> get_path,
		std::string directory,
		std::string mxf_name,
		boost::signals2::signal<void (float)>* progress,
		int fps,
		int length,
		int width,
		int height
		);

	MonoPictureAsset (std::string directory, std::string mxf_name, int fps, int entry_point, int length);
	
	boost::shared_ptr<const MonoPictureFrame> get_frame (int n) const;
	bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;

private:
	std::string path_from_list (int f, std::vector<std::string> const & files) const;
	void construct (boost::function<std::string (int)>);
};

/** A 3D (stereoscopic) picture asset */	
class StereoPictureAsset : public PictureAsset
{
public:
	StereoPictureAsset (std::string directory, std::string mxf_name, int fps, int entry_point, int length);
	
	boost::shared_ptr<const StereoPictureFrame> get_frame (int n) const;
	bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
};
	

}