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/*
Copyright (C) 2016-2021 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_content.h"
#include "atmos_mxf_content.h"
#include "film.h"
#include "job.h"
#include <asdcp/KM_log.h>
#include <dcp/atmos_asset.h>
#include <dcp/exceptions.h>
#include <libxml++/libxml++.h>
#include "i18n.h"
using std::list;
using std::make_shared;
using std::string;
using std::shared_ptr;
using boost::optional;
using namespace dcpomatic;
AtmosMXFContent::AtmosMXFContent (boost::filesystem::path path)
: Content (path)
{
}
AtmosMXFContent::AtmosMXFContent(cxml::ConstNodePtr node, boost::optional<boost::filesystem::path> film_directory, int)
: Content(node, film_directory)
{
atmos = AtmosContent::from_xml (this, node);
}
bool
AtmosMXFContent::valid_mxf (boost::filesystem::path path)
{
Kumu::DefaultLogSink().UnsetFilterFlag(Kumu::LOG_ALLOW_ALL);
try {
dcp::AtmosAsset a (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<Job> job, bool tolerant)
{
job->set_progress_unknown ();
Content::examine(job, tolerant);
auto a = make_shared<dcp::AtmosAsset>(path(0));
{
boost::mutex::scoped_lock lm (_mutex);
atmos = make_shared<AtmosContent>(this);
atmos->set_length (a->intrinsic_duration());
atmos->set_edit_rate (a->edit_rate());
}
}
string
AtmosMXFContent::summary () const
{
return fmt::format(_("{} [Atmos]"), path_summary());
}
void
AtmosMXFContent::as_xml(xmlpp::Element* element, bool with_paths, PathBehaviour path_behaviour, optional<boost::filesystem::path> film_directory) const
{
cxml::add_text_child(element, "Type", "AtmosMXF");
Content::as_xml(element, with_paths, path_behaviour, film_directory);
atmos->as_xml(element);
}
DCPTime
AtmosMXFContent::full_length (shared_ptr<const Film> film) const
{
FrameRateChange const frc (film, shared_from_this());
return DCPTime::from_frames (llrint(atmos->length() * frc.factor()), film->video_frame_rate());
}
DCPTime
AtmosMXFContent::approximate_length () const
{
return DCPTime::from_frames (atmos->length(), 24);
}
bool
AtmosMXFContent::can_reuse(shared_ptr<const Film> film) const
{
auto atmos_period = period(film);
/* Check that this content has been trimmed by an exact number of video frames,
* otherwise we can't represent the required trim in the CPL.
*/
if (
trim_start().round(film->video_frame_rate()) != trim_start() ||
trim_end().round(film->video_frame_rate()) != trim_end()
) {
return false;
}
/* We assume that if the content made it into the film it must be valid, so
* we just have to check that there isn't any reel which has part of this
* asset (with some empty space).
*/
auto const reels = film->reels();
return std::none_of(reels.begin(), reels.end(), [atmos_period](DCPTimePeriod reel) {
/* Check for incomplete overlap */
auto overlap = atmos_period.overlap(reel);
return overlap && *overlap != reel;
});
}
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