/*
- Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2018 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
*/
#include "dcp_reader.h"
-#include "vertical_reference.h"
-#include "xml.h"
-#include <libcxml/cxml.h>
-#include <libdcp/subtitle_asset.h>
+#include "compose.hpp"
+#include "exceptions.h"
+#include <dcp/subtitle_string.h>
+#include <dcp/interop_subtitle_asset.h>
+#include <dcp/smpte_subtitle_asset.h>
+#include <boost/foreach.hpp>
+#include <boost/filesystem.hpp>
using std::list;
using std::cout;
+using std::string;
+using std::exception;
using boost::shared_ptr;
+using boost::optional;
+using boost::dynamic_pointer_cast;
using namespace sub;
-static MetricTime
-dcp_to_metric (libdcp::Time t)
+static Time
+dcp_to_sub_time (dcp::Time t)
{
- return MetricTime (t.h, t.m, t.s, t.t * 4);
+ return Time::from_hms (t.h, t.m, t.s, t.e * 1000.0 / t.tcr);
}
static Colour
-dcp_to_colour (libdcp::Color c)
+dcp_to_sub_colour (dcp::Colour c)
{
- return Colour (float (c.r) / 255, float (c.g) / 255, float (c.b) / 255);
+ return Colour (c.r / 255.0, c.g / 255.0, c.b / 255.0);
}
-/** @class DCPReader
- * @brief A class to read DCP subtitles.
- */
DCPReader::DCPReader (boost::filesystem::path file)
{
- libdcp::SubtitleAsset asset (file.parent_path().string(), file.leaf().string());
- list<shared_ptr<libdcp::Subtitle> > subs = asset.subtitles ();
- for (list<shared_ptr<libdcp::Subtitle> >::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 libdcp::TOP:
- sub.vertical_position.reference = TOP_OF_SCREEN;
+ shared_ptr<dcp::SubtitleAsset> sc;
+ string interop_error;
+ string smpte_error;
+
+ try {
+ sc.reset (new dcp::InteropSubtitleAsset (file));
+ } catch (exception& e) {
+ interop_error = e.what ();
+ }
+
+ if (!sc) {
+ try {
+ sc.reset (new dcp::SMPTESubtitleAsset (file));
+ } catch (exception& e) {
+ smpte_error = e.what();
+ }
+ }
+
+ if (!sc) {
+ throw DCPError (String::compose ("Could not read subtitles (%1 / %2)", interop_error, smpte_error));
+ }
+
+
+ BOOST_FOREACH (shared_ptr<dcp::Subtitle> i, sc->subtitles ()) {
+
+ /* We don't deal with image subs */
+ shared_ptr<dcp::SubtitleString> is = dynamic_pointer_cast<dcp::SubtitleString>(i);
+ if (!is) {
+ continue;
+ }
+
+ RawSubtitle rs;
+ rs.text = is->text ();
+ rs.font = is->font ();
+ rs.font_size = FontSize::from_proportional (is->size() / (72.0 * 11.0));
+
+ switch (is->effect ()) {
+ case dcp::BORDER:
+ rs.effect = BORDER;
break;
- case libdcp::CENTER:
- sub.vertical_position.reference = CENTRE_OF_SCREEN;
+ case dcp::SHADOW:
+ rs.effect = SHADOW;
break;
- case libdcp::BOTTOM:
- sub.vertical_position.reference = BOTTOM_OF_SCREEN;
+ default:
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 ();
- sub.font = (*i)->font ();
- sub.font_size.set_proportional (float ((*i)->size ()) / (72 * 11));
- switch ((*i)->effect ()) {
- case libdcp::NONE:
+
+ rs.effect_colour = dcp_to_sub_colour (is->effect_colour());
+
+ rs.colour = dcp_to_sub_colour (is->colour());
+ rs.bold = is->bold ();
+ rs.italic = is->italic ();
+ rs.underline = is->underline ();
+
+ switch (is->h_align()) {
+ case dcp::HALIGN_LEFT:
+ rs.horizontal_position.reference = LEFT_OF_SCREEN;
break;
- case libdcp::BORDER:
- sub.effect = BORDER;
+ case dcp::HALIGN_CENTER:
+ rs.horizontal_position.reference = HORIZONTAL_CENTRE_OF_SCREEN;
break;
- case libdcp::SHADOW:
- sub.effect = SHADOW;
+ case dcp::HALIGN_RIGHT:
+ rs.horizontal_position.reference = RIGHT_OF_SCREEN;
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);
+ rs.vertical_position.proportional = is->v_position();
+ switch (is->v_align()) {
+ case dcp::VALIGN_TOP:
+ rs.vertical_position.reference = TOP_OF_SCREEN;
+ break;
+ case dcp::VALIGN_CENTER:
+ rs.vertical_position.reference = VERTICAL_CENTRE_OF_SCREEN;
+ break;
+ case dcp::VALIGN_BOTTOM:
+ rs.vertical_position.reference = BOTTOM_OF_SCREEN;
+ break;
+ }
+
+ rs.from = dcp_to_sub_time (is->in ());
+ rs.to = dcp_to_sub_time (is->out ());
+
+ rs.fade_up = dcp_to_sub_time (is->fade_up_time ());
+ rs.fade_down = dcp_to_sub_time (is->fade_down_time ());
+
+ _subs.push_back (rs);
}
}