2 Copyright (C) 2014 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.
20 #include "stl_binary_writer.h"
24 #include "compose.hpp"
25 #include <boost/locale.hpp>
40 using boost::locale::conv::utf_to_utf;
43 /** Arbitrary number which to divide the screen into rows; e.g.
44 * 64 here would mean that there are 64 addressable vertical positions
45 * on the screen, each 1/64th of the screen height tall.
47 * The arbitrary 23 makes our output agree more closely with
48 * AnnotationEdit, which makes life easier when testing.
50 static int const ROWS = 23;
53 put_string (char* p, string s)
55 memcpy (p, s.c_str (), s.length ());
59 put_string (char* p, unsigned int n, string s)
61 assert (s.length() <= n);
63 memcpy (p, s.c_str (), s.length ());
64 memset (p + s.length(), ' ', n - s.length ());
68 put_int_as_string (char* p, int v, unsigned int n)
71 /* Be careful to ensure we get no thousands separators */
72 s.imbue (std::locale::classic ());
73 s << setw (n) << setfill ('0');
75 assert (s.str().length() == n);
76 put_string (p, s.str ());
80 put_int_as_int (char* p, int v, unsigned int n)
82 for (unsigned int i = 0; i < n; ++i) {
83 *p++ = (v & ((1 << ((i + 1) * 8)) - 1)) >> (i * 8);
87 /** @param language ISO 3-character country code for the language of the subtitles */
89 sub::write_stl_binary (
90 list<Subtitle> subtitles,
91 float frames_per_second,
93 string original_programme_title,
94 string original_episode_title,
95 string translated_programme_title,
96 string translated_episode_title,
97 string translator_name,
98 string translator_contact_details,
100 string revision_date,
102 string country_of_origin,
105 string editor_contact_details,
106 boost::filesystem::path file_name
109 assert (original_programme_title.size() <= 32);
110 assert (original_episode_title.size() <= 32);
111 assert (translated_programme_title.size() <= 32);
112 assert (translated_episode_title.size() <= 32);
113 assert (translator_name.size() <= 32);
114 assert (translator_contact_details.size() <= 32);
115 assert (creation_date.size() == 6);
116 assert (revision_date.size() == 6);
117 assert (revision_number <= 99);
118 assert (country_of_origin.size() == 3);
119 assert (publisher.size() <= 32);
120 assert (editor_name.size() <= 32);
121 assert (editor_contact_details.size() <= 32);
123 char* buffer = new char[1024];
124 memset (buffer, 0, 1024);
125 ofstream output (file_name.string().c_str ());
126 STLBinaryTables tables;
128 /* Find the longest subtitle in characters and the number of lines */
133 for (list<Subtitle>::const_iterator i = subtitles.begin(); i != subtitles.end(); ++i) {
134 for (list<Line>::const_iterator j = i->lines.begin(); j != i->lines.end(); ++j) {
136 for (list<Block>::const_iterator k = j->blocks.begin(); k != j->blocks.end(); ++k) {
137 t += k->text.size ();
139 longest = max (longest, t);
145 put_string (buffer + 0, "850");
146 /* Disk format code */
147 put_string (buffer + 3, stl_frame_rate_to_dfc (frames_per_second));
148 /* Display standard code: open subtitling */
149 put_string (buffer + 11, "0");
150 /* Character code table: Latin (ISO 6937) */
151 put_string (buffer + 12, "00");
152 put_string (buffer + 14, tables.language_enum_to_file (language));
153 put_string (buffer + 16, 32, original_programme_title);
154 put_string (buffer + 48, 32, original_episode_title);
155 put_string (buffer + 80, 32, translated_programme_title);
156 put_string (buffer + 112, 32, translated_episode_title);
157 put_string (buffer + 144, 32, translator_name);
158 put_string (buffer + 176, 32, translator_contact_details);
159 /* Subtitle list reference code */
160 put_string (buffer + 208, "0000000000000000");
161 put_string (buffer + 224, creation_date);
162 put_string (buffer + 230, revision_date);
163 put_int_as_string (buffer + 236, revision_number, 2);
165 put_int_as_string (buffer + 238, lines, 5);
166 /* Total number of subtitles */
167 put_int_as_string (buffer + 243, lines, 5);
168 /* Total number of subtitle groups */
169 put_string (buffer + 248, "001");
170 /* Maximum number of displayable characters in any text row */
171 put_int_as_string (buffer + 251, longest, 2);
172 /* Maximum number of displayable rows */
173 put_int_as_string (buffer + 253, ROWS, 2);
174 /* Time code status */
175 put_string (buffer + 255, "1");
176 /* Start-of-programme time code */
177 put_string (buffer + 256, "00000000");
178 /* First-in-cue time code */
179 put_string (buffer + 264, "00000000");
180 /* Total number of disks */
181 put_string (buffer + 272, "1");
182 /* Disk sequence number */
183 put_string (buffer + 273, "1");
184 put_string (buffer + 274, 3, country_of_origin);
185 put_string (buffer + 277, 32, publisher);
186 put_string (buffer + 309, 32, editor_name);
187 put_string (buffer + 341, 32, editor_contact_details);
189 output.write (buffer, 1024);
192 for (list<Subtitle>::const_iterator i = subtitles.begin(); i != subtitles.end(); ++i) {
193 for (list<Line>::const_iterator j = i->lines.begin(); j != i->lines.end(); ++j) {
195 memset (buffer, 0, 1024);
197 /* Subtitle group number */
198 put_int_as_int (buffer + 0, 1, 1);
199 /* Subtitle number */
200 put_int_as_int (buffer + 1, N, 2);
201 /* Extension block number. Use 0xff here to indicate that it is the last TTI
202 block in this subtitle "set", as we only ever use one.
204 put_int_as_int (buffer + 3, 255, 1);
205 /* Cumulative status */
206 put_int_as_int (buffer + 4, tables.cumulative_status_enum_to_file (CUMULATIVE_STATUS_NOT_CUMULATIVE), 1);
208 put_int_as_int (buffer + 5, i->from.frame(frames_per_second).hours (), 1);
209 put_int_as_int (buffer + 6, i->from.frame(frames_per_second).minutes (), 1);
210 put_int_as_int (buffer + 7, i->from.frame(frames_per_second).seconds (), 1);
211 put_int_as_int (buffer + 8, i->from.frame(frames_per_second).frames (), 1);
213 put_int_as_int (buffer + 9, i->to.frame(frames_per_second).hours (), 1);
214 put_int_as_int (buffer + 10, i->to.frame(frames_per_second).minutes (), 1);
215 put_int_as_int (buffer + 11, i->to.frame(frames_per_second).seconds (), 1);
216 put_int_as_int (buffer + 12, i->to.frame(frames_per_second).frames (), 1);
217 /* Vertical position */
219 if (j->vertical_position.proportional) {
220 switch (j->vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
222 vp = rint (j->vertical_position.proportional.get() * ROWS);
224 case CENTRE_OF_SCREEN:
225 vp = rint (j->vertical_position.proportional.get() * ROWS + (ROWS / 2.0));
227 case BOTTOM_OF_SCREEN:
228 vp = rint (ROWS - (j->vertical_position.proportional.get() * ROWS));
233 } else if (j->vertical_position.line) {
234 /* XXX: how many lines are there...? We need to correct for any difference
235 between the number of lines and our ROWS.
237 switch (j->vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
239 vp = j->vertical_position.line.get();
241 case CENTRE_OF_SCREEN:
242 vp = j->vertical_position.line.get() + (ROWS / 2);
244 case BOTTOM_OF_SCREEN:
245 vp = ROWS - (j->vertical_position.line.get());
251 put_int_as_int (buffer + 13, vp, 1);
252 /* Justification code */
254 put_int_as_int (buffer + 14, tables.justification_enum_to_file (JUSTIFICATION_NONE), 1);
256 put_int_as_int (buffer + 15, tables.comment_enum_to_file (COMMENT_NO), 1);
261 bool underline = false;
263 for (list<Block>::const_iterator k = j->blocks.begin(); k != j->blocks.end(); ++k) {
264 if (k->underline && !underline) {
267 } else if (underline && !k->underline) {
271 if (k->italic && !italic) {
274 } else if (italic && !k->italic) {
279 text += utf16_to_iso6937 (utf_to_utf<wchar_t> (k->text));
284 if (text.length() > 111) {
285 text = text.substr (111);
288 while (text.length() < 112) {
292 put_string (buffer + 16, text);
293 output.write (buffer, 128);