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
|
/*
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.
*/
#ifndef LIBDCP_PICTURE_ASSET_H
#define LIBDCP_PICTURE_ASSET_H
/** @file src/picture_asset.h
* @brief An asset made up of JPEG2000 data
*/
#include <openjpeg.h>
#include "mxf_asset.h"
#include "util.h"
#include "metadata.h"
namespace ASDCP {
namespace JP2K {
struct PictureDescriptor;
}
}
namespace libdcp
{
class MonoPictureFrame;
class StereoPictureFrame;
class PictureAssetWriter;
/** @brief An asset made up of JPEG2000 data */
class PictureAsset : public MXFAsset
{
public:
/** Construct a PictureAsset.
*
* @param directory Directory where MXF file is.
* @param mxf_name Name of MXF file.
*/
PictureAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name);
/** Start a progressive write to this asset.
* The following parameters must be set up (if required) before calling this:
* Interop mode (set_interop)
* Edit rate (set_edit_rate)
* MXF Metadata (set_metadata)
*
* @param overwrite true to overwrite an existing MXF file; in this mode, writing can be resumed to a partially-written MXF; false if the
* MXF file does not exist.
*/
virtual boost::shared_ptr<PictureAssetWriter> start_write (bool overwrite) = 0;
virtual void read () = 0;
virtual void create (std::vector<boost::filesystem::path> const &) {}
virtual void create (boost::function<boost::filesystem::path (int)>) {}
Size size () const {
return _size;
}
void set_size (Size s) {
_size = s;
}
void write_to_cpl (xmlpp::Element *) const;
protected:
std::string asdcp_kind () const {
return "Picture";
}
bool frame_buffer_equals (
int frame, EqualityOptions opt, boost::function<void (NoteType, std::string)> note,
uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
) const;
bool descriptor_equals (
ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, boost::function<void (NoteType, std::string)>
) const;
/** picture size in pixels */
Size _size;
private:
std::string key_type () const;
virtual int edit_rate_factor () const = 0;
};
}
#endif
|
