2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
3 Taken from code Copyright (C) 2010-2011 Terrence Meiczinger
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /** @file src/dcp_video_frame.h
25 * @brief A single frame of video destined for a DCP.
35 /** @class EncodedData
36 * @brief Container for J2K-encoded data.
41 /** @param d Data (will not be freed by this class, but may be by subclasses)
42 * @param s Size of data, in bytes.
44 EncodedData (uint8_t* d, int s)
49 virtual ~EncodedData () {}
52 void write (boost::shared_ptr<const Options>, int);
55 void hash (std::string) const;
59 uint8_t* data () const {
63 /** @return data size, in bytes */
69 uint8_t* _data; ///< data
70 int _size; ///< data size in bytes
73 /** @class LocallyEncodedData
74 * @brief EncodedData that was encoded locally; this class
75 * just keeps a pointer to the data, but does no memory
78 class LocallyEncodedData : public EncodedData
81 /** @param d Data (which will not be freed by this class)
82 * @param s Size of data, in bytes.
84 LocallyEncodedData (uint8_t* d, int s)
89 /** @class RemotelyEncodedData
90 * @brief EncodedData that is being read from a remote server;
91 * this class allocates and manages memory for the data.
93 class RemotelyEncodedData : public EncodedData
96 RemotelyEncodedData (int s);
97 ~RemotelyEncodedData ();
100 /** @class DCPVideoFrame
101 * @brief A single frame of video destined for a DCP.
103 * Given an Image and some settings, this class knows how to encode
104 * the image to J2K either on the local host or on a remote server.
106 * Objects of this class are used for the queue that we keep
107 * of images that require encoding.
112 DCPVideoFrame (boost::shared_ptr<Image>, Size, int, Scaler const *, int, float, std::string, int, int, Log *);
113 virtual ~DCPVideoFrame ();
115 boost::shared_ptr<EncodedData> encode_locally ();
116 boost::shared_ptr<EncodedData> encode_remotely (Server const *);
123 void create_openjpeg_container ();
124 void write_encoded (boost::shared_ptr<const Options>, uint8_t *, int);
126 boost::shared_ptr<Image> _input; ///< the input image
127 Size _out_size; ///< the required size of the output, in pixels
129 Scaler const * _scaler; ///< scaler to use
130 int _frame; ///< frame index within the Film
131 int _frames_per_second; ///< Frames per second that we will use for the DCP (rounded)
132 std::string _post_process; ///< FFmpeg post-processing string to use
133 int _colour_lut_index; ///< Colour look-up table to use (see Config::colour_lut_index ())
134 int _j2k_bandwidth; ///< J2K bandwidth to use (see Config::j2k_bandwidth ())
138 opj_image_cmptparm_t _cmptparm[3]; ///< libopenjpeg's opj_image_cmptparm_t
139 opj_image* _image; ///< libopenjpeg's image container
140 opj_cparameters_t* _parameters; ///< libopenjpeg's parameters
141 opj_cinfo_t* _cinfo; ///< libopenjpeg's opj_cinfo_t
142 opj_cio_t* _cio; ///< libopenjpeg's opj_cio_t