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
|
/*
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_MXF_ASSET_H
#define LIBDCP_MXF_ASSET_H
#include <boost/signals2.hpp>
#include "AS_DCP.h"
#include "asset.h"
namespace ASDCP {
class AESEncContext;
}
namespace libdcp
{
class MXFMetadata;
class KDMCipher;
/** @brief Parent class for assets which have MXF files */
class MXFAsset : public Asset
{
public:
/** Construct an MXFAsset.
* This class will not write anything to disk in this constructor, but subclasses may.
*
* @param directory Directory where MXF file is.
* @param file_name Name of MXF file.
*/
MXFAsset (std::string directory, std::string file_name);
/** Construct an MXFAsset.
* This class will not write anything to disk in this constructor, but subclasses may.
*
* @param directory Directory where MXF file is.
* @param file_name Name of MXF file.
* @param progress Signal to use to inform of progress, or 0.
* @param edit_rate Edit rate in frames per second (usually equal to the video frame rate).
* @param intrinsic_duration Duration of the whole asset in frames.
*/
MXFAsset (std::string directory, std::string file_name, boost::signals2::signal<void (float)>* progress, int edit_rate, int intrinsic_duration, bool encrypted);
~MXFAsset ();
virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
virtual void write_to_cpl (xmlpp::Node *) const;
/** Fill in a ADSCP::WriteInfo struct.
* @param w struct to fill in.
* @param uuid uuid to use.
*/
void fill_writer_info (ASDCP::WriterInfo* w, std::string uuid, MXFMetadata const & metadata);
void add_typed_key_id (xmlpp::Element *) const;
std::string key_id () const {
return _key_id;
}
void set_key_id (std::string k) {
_key_id = k;
}
bool encrypted () const {
return !_key_id.empty ();
}
void set_kdm_cipher (KDMCipher);
protected:
virtual std::string key_type () const = 0;
virtual std::string cpl_node_name () const = 0;
/** Signal to emit to report progress, or 0 */
boost::signals2::signal<void (float)>* _progress;
bool _encrypted;
ASDCP::AESEncContext* _encryption_context;
std::string _key_value;
std::string _key_id;
ASDCP::AESDecContext* _decryption_context;
};
}
#endif
|
