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.
22 #include "exceptions.h"
23 #include "subrip_content.h"
25 #include <sub/subrip_reader.h>
26 #include <sub/collect.h>
27 #include <unicode/ucsdet.h>
28 #include <unicode/ucnv.h>
36 using boost::shared_ptr;
37 using boost::scoped_array;
39 SubRip::SubRip (shared_ptr<const SubRipContent> content)
41 Data in (content->path (0));
43 UErrorCode status = U_ZERO_ERROR;
44 UCharsetDetector* detector = ucsdet_open (&status);
45 ucsdet_setText (detector, reinterpret_cast<const char *> (in.data().get()), in.size(), &status);
47 UCharsetMatch const * match = ucsdet_detect (detector, &status);
48 char const * in_charset = ucsdet_getName (match, &status);
50 UConverter* to_utf16 = ucnv_open (in_charset, &status);
51 /* This is a guess; I think we should be able to encode any input in 4 times its input size */
52 scoped_array<uint16_t> utf16 (new uint16_t[in.size() * 2]);
53 int const utf16_len = ucnv_toUChars (to_utf16, utf16.get(), in.size() * 2, reinterpret_cast<const char *> (in.data().get()), in.size(), &status);
55 UConverter* to_utf8 = ucnv_open ("UTF-8", &status);
57 scoped_array<char> utf8 (new char[utf16_len * 2]);
58 ucnv_fromUChars (to_utf8, utf8.get(), utf16_len * 2, utf16.get(), utf16_len, &status);
60 ucsdet_close (detector);
61 ucnv_close (to_utf16);
64 sub::SubripReader reader (utf8.get());
65 _subtitles = sub::collect<vector<sub::Subtitle> > (reader.subtitles ());
69 SubRip::length () const
71 if (_subtitles.empty ()) {
72 return ContentTime ();
75 return ContentTime::from_seconds (_subtitles.back().to.all_as_seconds ());