2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
3 Copyright (C) 2000-2007 Paul Davis
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.
22 * @brief Some utility functions and classes.
25 #ifndef DVDOMATIC_UTIL_H
26 #define DVDOMATIC_UTIL_H
30 #include <boost/shared_ptr.hpp>
31 #include <boost/asio.hpp>
33 #include <libavcodec/avcodec.h>
34 #include <libavfilter/avfilter.h>
39 extern std::string seconds_to_hms (int);
40 extern std::string seconds_to_approximate_hms (int);
41 extern void stacktrace (std::ostream &, int);
42 extern std::string audio_sample_format_to_string (AVSampleFormat);
43 extern AVSampleFormat audio_sample_format_from_string (std::string);
44 extern std::string dependency_version_summary ();
45 extern double seconds (struct timeval);
46 extern void dvdomatic_setup ();
47 extern std::vector<std::string> split_at_spaces_considering_quotes (std::string);
48 extern std::string md5_digest (std::string);
56 extern void md5_data (std::string, void const *, int);
60 * @brief Representation of the size of something */
63 /** Construct a zero Size */
83 /** A description of the crop of an image or video. */
86 Crop () : left (0), right (0), top (0), bottom (0) {}
88 /** Number of pixels to remove from the left-hand side */
90 /** Number of pixels to remove from the right-hand side */
92 /** Number of pixels to remove from the top */
94 /** Number of pixels to remove from the bottom */
98 extern bool operator== (Crop const & a, Crop const & b);
99 extern bool operator!= (Crop const & a, Crop const & b);
109 Position (int x_, int y_)
120 extern std::string crop_string (Position, Size);
121 extern int dcp_audio_sample_rate (int);
122 extern std::string colour_lut_index_to_name (int index);
125 * @brief A class to wrap a boost::asio::ip::tcp::socket with some things
126 * that are useful for DVD-o-matic.
128 * This class wraps some things that I could not work out how to do with boost;
129 * most notably, sync read/write calls with timeouts, and the ability to peak into
137 /** @return Our underlying socket */
138 boost::asio::ip::tcp::socket& socket () {
142 void connect (boost::asio::ip::basic_resolver_entry<boost::asio::ip::tcp> const & endpoint, int timeout);
143 void write (uint8_t const * data, int size, int timeout);
145 void read_definite_and_consume (uint8_t* data, int size, int timeout);
146 void read_indefinite (uint8_t* data, int size, int timeout);
147 void consume (int amount);
151 int read (uint8_t* data, int size, int timeout);
153 Socket (Socket const &);
155 boost::asio::io_service _io_service;
156 boost::asio::deadline_timer _deadline;
157 boost::asio::ip::tcp::socket _socket;
158 /** a buffer for small reads */
159 uint8_t _buffer[256];
160 /** amount of valid data in the buffer */