2 Copyright (C) 2012-2013 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.
23 #include <boost/shared_ptr.hpp>
24 #include <boost/utility.hpp>
29 class MonoPictureAsset;
30 class StereoPictureAsset;
34 FrameInfo (uint64_t o, uint64_t s, std::string h)
40 FrameInfo (std::istream& s);
42 void write (std::ostream& s);
49 class PictureAssetWriter : public boost::noncopyable
52 virtual FrameInfo write (uint8_t *, int) = 0;
53 virtual void fake_write (int) = 0;
54 virtual void finalize () = 0;
58 PictureAssetWriter (bool, MXFMetadata const &);
59 virtual void start (uint8_t *, int) = 0;
61 /** Number of picture frames written to the asset so far */
64 /** true if finalize() has been called */
67 MXFMetadata _metadata;
70 /** A helper class for writing to MonoPictureAssets progressively (i.e. writing frame-by-frame,
71 * rather than giving libdcp all the frames in one go).
73 * Objects of this class can only be created with MonoPictureAsset::start_write().
75 * Frames can be written to the MonoPictureAsset by calling write() with a JPEG2000 image
76 * (a verbatim .j2 file). finalize() must be called after the last frame has been written.
77 * The action of finalize() can't be done in MonoPictureAssetWriter's destructor as it may
80 class MonoPictureAssetWriter : public PictureAssetWriter
83 FrameInfo write (uint8_t* data, int size);
84 void fake_write (int size);
88 friend class MonoPictureAsset;
90 MonoPictureAssetWriter (MonoPictureAsset *, bool, MXFMetadata const &);
91 void start (uint8_t *, int);
93 /* do this with an opaque pointer so we don't have to include
98 boost::shared_ptr<ASDCPState> _state;
100 MonoPictureAsset* _asset;
103 class StereoPictureAssetWriter : public PictureAssetWriter
106 FrameInfo write (uint8_t* data, int size);
107 void fake_write (int size);
111 friend class StereoPictureAsset;
113 StereoPictureAssetWriter (StereoPictureAsset *, bool, MXFMetadata const &);
114 void start (uint8_t *, int);
116 /* do this with an opaque pointer so we don't have to include
121 boost::shared_ptr<ASDCPState> _state;
123 StereoPictureAsset* _asset;