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/*
Copyright (C) 2013-2014 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 <libcxml/cxml.h>
#include <dcp/raw_convert.h>
#include "sndfile_content.h"
#include "sndfile_decoder.h"
#include "film.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
#include "safe_stringstream.h"
#include "i18n.h"
using std::string;
using std::cout;
using boost::shared_ptr;
using dcp::raw_convert;
SndfileContent::SndfileContent (shared_ptr<const Film> f, boost::filesystem::path p)
: Content (f, p)
, SingleStreamAudioContent (f, p)
{
}
SndfileContent::SndfileContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
: Content (f, node)
, SingleStreamAudioContent (f, node, version)
{
}
void
SndfileContent::as_xml (xmlpp::Node* node) const
{
node->add_child("Type")->add_child_text ("Sndfile");
Content::as_xml (node);
SingleStreamAudioContent::as_xml (node);
}
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";
}
string
SndfileContent::information () const
{
if (_audio_frame_rate == 0) {
return "";
}
SafeStringStream s;
s << String::compose (
_("%1 channels, %2kHz, %3 samples"),
audio_channels(),
audio_frame_rate() / 1000.0,
audio_length().frames (audio_frame_rate ())
);
return s.str ();
}
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 == ".aif" || ext == ".aiff");
}
void
SndfileContent::examine (shared_ptr<Job> job)
{
job->set_progress_unknown ();
Content::examine (job);
shared_ptr<AudioExaminer> dec (new SndfileDecoder (shared_from_this()));
take_from_audio_examiner (dec);
}
DCPTime
SndfileContent::full_length () const
{
shared_ptr<const Film> film = _film.lock ();
assert (film);
return DCPTime (audio_length(), film->active_frame_rate_change (position ()));
}
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