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/*
Copyright (C) 2014-2018 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 "font.h"
#include "dcp_subtitle_content.h"
#include "film.h"
#include "text_content.h"
#include <dcp/raw_convert.h>
#include <dcp/interop_subtitle_asset.h>
#include <dcp/smpte_subtitle_asset.h>
#include <dcp/interop_load_font_node.h>
#include <libxml++/libxml++.h>
#include <boost/foreach.hpp>
#include "i18n.h"
using std::string;
using std::list;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using dcp::raw_convert;
DCPSubtitleContent::DCPSubtitleContent (boost::filesystem::path path)
: Content (path)
{
text.push_back (shared_ptr<TextContent> (new TextContent (this, TEXT_OPEN_SUBTITLE, TEXT_OPEN_SUBTITLE)));
}
DCPSubtitleContent::DCPSubtitleContent (cxml::ConstNodePtr node, int version)
: Content (node)
, _length (node->number_child<ContentTime::Type> ("Length"))
{
text = TextContent::from_xml (this, node, version);
}
void
DCPSubtitleContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
{
Content::examine (film, job);
shared_ptr<dcp::SubtitleAsset> sc = load (path (0));
shared_ptr<dcp::InteropSubtitleAsset> iop = dynamic_pointer_cast<dcp::InteropSubtitleAsset> (sc);
shared_ptr<dcp::SMPTESubtitleAsset> smpte = dynamic_pointer_cast<dcp::SMPTESubtitleAsset> (sc);
if (smpte) {
set_video_frame_rate (smpte->edit_rate().numerator);
}
boost::mutex::scoped_lock lm (_mutex);
/* Default to turning these subtitles on */
only_text()->set_use (true);
if (iop) {
only_text()->set_language (iop->language ());
} else if (smpte) {
only_text()->set_language (smpte->language().get_value_or (""));
}
_length = ContentTime::from_seconds (sc->latest_subtitle_out().as_seconds ());
sc->fix_empty_font_ids ();
BOOST_FOREACH (shared_ptr<dcp::LoadFontNode> i, sc->load_font_nodes ()) {
only_text()->add_font (shared_ptr<Font> (new Font (i->id)));
}
}
DCPTime
DCPSubtitleContent::full_length (shared_ptr<const Film> film) const
{
FrameRateChange const frc (film, shared_from_this());
return DCPTime (_length, frc);
}
DCPTime
DCPSubtitleContent::approximate_length () const
{
return DCPTime (_length, FrameRateChange());
}
string
DCPSubtitleContent::summary () const
{
return path_summary() + " " + _("[subtitles]");
}
string
DCPSubtitleContent::technical_summary () const
{
return Content::technical_summary() + " - " + _("DCP XML subtitles");
}
void
DCPSubtitleContent::as_xml (xmlpp::Node* node, bool with_paths) const
{
node->add_child("Type")->add_child_text ("DCPSubtitle");
Content::as_xml (node, with_paths);
if (only_text()) {
only_text()->as_xml (node);
}
node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));
}
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