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/*
Copyright (C) 2016-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "atmos_mxf_content.h"
#include "job.h"
#include "film.h"
#include "compose.hpp"
#include <asdcp/KM_log.h>
#include <dcp/atmos_asset.h>
#include <dcp/exceptions.h>
#include <dcp/raw_convert.h>
#include <libxml++/libxml++.h>
#include "i18n.h"
using std::list;
using std::string;
using boost::shared_ptr;
using namespace dcpomatic;
AtmosMXFContent::AtmosMXFContent (boost::filesystem::path path)
: Content (path)
{
}
AtmosMXFContent::AtmosMXFContent (cxml::ConstNodePtr node, int)
: Content (node)
{
/* This was mistakenly left out for a while, so make sure we at least don't
* crash if an old Film is loaded.
*/
_length = node->optional_number_child<Frame>("Length").get_value_or(0);
}
bool
AtmosMXFContent::valid_mxf (boost::filesystem::path path)
{
Kumu::DefaultLogSink().UnsetFilterFlag(Kumu::LOG_ALLOW_ALL);
try {
shared_ptr<dcp::AtmosAsset> a (new dcp::AtmosAsset (path));
return true;
} catch (dcp::MXFFileError& e) {
} catch (dcp::ReadError& e) {
}
Kumu::DefaultLogSink().SetFilterFlag(Kumu::LOG_ALLOW_ALL);
return false;
}
void
AtmosMXFContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
{
job->set_progress_unknown ();
Content::examine (film, job);
shared_ptr<dcp::AtmosAsset> a (new dcp::AtmosAsset (path(0)));
{
boost::mutex::scoped_lock lm (_mutex);
_length = a->intrinsic_duration ();
}
}
string
AtmosMXFContent::summary () const
{
return String::compose (_("%1 [Atmos]"), path_summary());
}
void
AtmosMXFContent::as_xml (xmlpp::Node* node, bool with_paths) const
{
node->add_child("Type")->add_child_text ("AtmosMXF");
Content::as_xml (node, with_paths);
node->add_child("Length")->add_child_text(dcp::raw_convert<string>(_length));
}
DCPTime
AtmosMXFContent::full_length (shared_ptr<const Film> film) const
{
FrameRateChange const frc (film, shared_from_this());
return DCPTime::from_frames (llrint (_length * frc.factor()), film->video_frame_rate());
}
DCPTime
AtmosMXFContent::approximate_length () const
{
return DCPTime::from_frames (_length, 24);
}
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