2 Copyright (C) 2013-2015 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 "sndfile_content.h"
21 #include "sndfile_decoder.h"
22 #include "sndfile_examiner.h"
24 #include "compose.hpp"
27 #include "safe_stringstream.h"
28 #include "raw_convert.h"
29 #include <libcxml/cxml.h>
30 #include <libxml++/libxml++.h>
36 using boost::shared_ptr;
38 SndfileContent::SndfileContent (shared_ptr<const Film> film, boost::filesystem::path p)
40 , SingleStreamAudioContent (film, p)
45 SndfileContent::SndfileContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
46 : Content (film, node)
47 , SingleStreamAudioContent (film, node, version)
48 , _audio_length (node->number_child<Frame> ("AudioLength"))
54 SndfileContent::as_xml (xmlpp::Node* node) const
56 node->add_child("Type")->add_child_text ("Sndfile");
57 Content::as_xml (node);
58 SingleStreamAudioContent::as_xml (node);
59 node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio_length ()));
64 SndfileContent::summary () const
66 /* Get the string() here so that the name does not have quotes around it */
67 return String::compose (_("%1 [audio]"), path_summary ());
71 SndfileContent::technical_summary () const
73 return Content::technical_summary() + " - "
74 + AudioContent::technical_summary ()
79 SndfileContent::valid_file (boost::filesystem::path f)
81 /* XXX: more extensions */
82 string ext = f.extension().string();
83 transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
84 return (ext == ".wav" || ext == ".w64" || ext == ".flac" || ext == ".aif" || ext == ".aiff");
88 SndfileContent::examine (shared_ptr<Job> job)
90 job->set_progress_unknown ();
91 Content::examine (job);
92 shared_ptr<AudioExaminer> dec (new SndfileExaminer (shared_from_this ()));
93 take_from_audio_examiner (dec);
97 SndfileContent::take_from_audio_examiner (shared_ptr<AudioExaminer> examiner)
99 SingleStreamAudioContent::take_from_audio_examiner (examiner);
101 boost::mutex::scoped_lock lm (_mutex);
102 _audio_length = examiner->audio_length ();
106 SndfileContent::full_length () const
108 shared_ptr<const Film> film = _film.lock ();
109 DCPOMATIC_ASSERT (film);
110 FrameRateChange const frc = film->active_frame_rate_change (position ());
111 return DCPTime::from_frames (audio_length() / frc.speed_up, audio_stream()->frame_rate ());