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/*
Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "sndfile_content.h"
#include "sndfile_decoder.h"
#include "sndfile_examiner.h"
#include "film.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
#include "safe_stringstream.h"
#include "raw_convert.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <iostream>
#include "i18n.h"
using std::string;
using std::cout;
using boost::shared_ptr;
SndfileContent::SndfileContent (shared_ptr<const Film> film, boost::filesystem::path p)
: Content (film, p)
, SingleStreamAudioContent (film, p)
{
}
SndfileContent::SndfileContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
: Content (film, node)
, SingleStreamAudioContent (film, node, version)
, _audio_length (node->number_child<Frame> ("AudioLength"))
{
}
void
SndfileContent::as_xml (xmlpp::Node* node) const
{
node->add_child("Type")->add_child_text ("Sndfile");
Content::as_xml (node);
SingleStreamAudioContent::as_xml (node);
node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio_length ()));
}
string
SndfileContent::summary () const
{
/* Get the string() here so that the name does not have quotes around it */
return String::compose (_("%1 [audio]"), path_summary ());
}
string
SndfileContent::technical_summary () const
{
return Content::technical_summary() + " - "
+ AudioContent::technical_summary ()
+ " - sndfile";
}
bool
SndfileContent::valid_file (boost::filesystem::path f)
{
/* XXX: more extensions */
string ext = f.extension().string();
transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
return (ext == ".wav" || ext == ".w64" || ext == ".flac" || ext == ".aif" || ext == ".aiff");
}
void
SndfileContent::examine (shared_ptr<Job> job)
{
job->set_progress_unknown ();
Content::examine (job);
shared_ptr<AudioExaminer> dec (new SndfileExaminer (shared_from_this ()));
take_from_audio_examiner (dec);
}
void
SndfileContent::take_from_audio_examiner (shared_ptr<AudioExaminer> examiner)
{
SingleStreamAudioContent::take_from_audio_examiner (examiner);
boost::mutex::scoped_lock lm (_mutex);
_audio_length = examiner->audio_length ();
}
DCPTime
SndfileContent::full_length () const
{
FrameRateChange const frc = film()->active_frame_rate_change (position ());
return DCPTime::from_frames (audio_length() / frc.speed_up, audio_stream()->frame_rate ());
}
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