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/*
Copyright (C) 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 "dcp_reader.h"
#include "vertical_reference.h"
#include "xml.h"
#include <libcxml/cxml.h>
#include <dcp/interop_subtitle_content.h>
#include <dcp/smpte_subtitle_content.h>
#include <dcp/subtitle.h>
using std::list;
using std::cout;
using boost::shared_ptr;
using namespace sub;
static MetricTime
dcp_to_metric (dcp::Time t)
{
return MetricTime (t.h, t.m, t.s, t.t * 4);
}
static Colour
dcp_to_colour (dcp::Color c)
{
return Colour (float (c.r) / 255, float (c.g) / 255, float (c.b) / 255);
}
/** @class DCPReader
* @brief A class to read DCP subtitles.
*/
DCPReader::DCPReader (boost::filesystem::path file, bool interop)
{
shared_ptr<dcp::SubtitleContent> content;
if (interop) {
content.reset (new dcp::InteropSubtitleContent (file));
} else {
content.reset (new dcp::SMPTESubtitleContent (file));
}
list<dcp::SubtitleString> subs = content->subtitles ();
for (list<dcp::SubtitleString>::const_iterator i = subs.begin(); i != subs.end(); ++i) {
RawSubtitle sub;
sub.vertical_position.proportional = float (i->v_position ()) / 100;
switch (i->v_align ()) {
case dcp::TOP:
sub.vertical_position.reference = TOP_OF_SCREEN;
break;
case dcp::CENTER:
sub.vertical_position.reference = CENTRE_OF_SCREEN;
break;
case dcp::BOTTOM:
sub.vertical_position.reference = BOTTOM_OF_SCREEN;
break;
}
sub.from.set_metric (dcp_to_metric (i->in ()));
sub.to.set_metric (dcp_to_metric (i->out ()));
sub.fade_up = dcp_to_metric (i->fade_up_time ());
sub.fade_down = dcp_to_metric (i->fade_down_time ());
sub.text = i->text ();
/* XXX: should sub.font be optional? */
sub.font = i->font().get_value_or ("");
sub.font_size.set_proportional (float (i->size ()) / (72 * 11));
switch (i->effect ()) {
case dcp::NONE:
break;
case dcp::BORDER:
sub.effect = BORDER;
break;
case dcp::SHADOW:
sub.effect = SHADOW;
break;
}
sub.effect_colour = dcp_to_colour (i->effect_color ());
sub.colour = dcp_to_colour (i->color ());
sub.italic = i->italic ();
_subs.push_back (sub);
}
}
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