/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <libcxml/cxml.h>
-#include <dcp/raw_convert.h>
#include "subtitle_content.h"
#include "util.h"
#include "exceptions.h"
+#include "font.h"
+#include "content.h"
+#include <dcp/raw_convert.h>
+#include <libcxml/cxml.h>
+#include <libxml++/libxml++.h>
+#include <boost/foreach.hpp>
+#include <iostream>
#include "i18n.h"
using std::string;
-using std::stringstream;
using std::vector;
using std::cout;
+using std::list;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
+using boost::optional;
using dcp::raw_convert;
-int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
-int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
-int const SubtitleContentProperty::SUBTITLE_SCALE = 502;
-int const SubtitleContentProperty::USE_SUBTITLES = 503;
+int const SubtitleContentProperty::X_OFFSET = 500;
+int const SubtitleContentProperty::Y_OFFSET = 501;
+int const SubtitleContentProperty::X_SCALE = 502;
+int const SubtitleContentProperty::Y_SCALE = 503;
+int const SubtitleContentProperty::USE = 504;
+int const SubtitleContentProperty::BURN = 505;
+int const SubtitleContentProperty::LANGUAGE = 506;
+int const SubtitleContentProperty::FONTS = 507;
+int const SubtitleContentProperty::COLOUR = 508;
+int const SubtitleContentProperty::EFFECT = 509;
+int const SubtitleContentProperty::EFFECT_COLOUR = 510;
+int const SubtitleContentProperty::LINE_SPACING = 511;
+int const SubtitleContentProperty::FADE_IN = 512;
+int const SubtitleContentProperty::FADE_OUT = 513;
+int const SubtitleContentProperty::OUTLINE_WIDTH = 514;
-SubtitleContent::SubtitleContent (shared_ptr<const Film> f)
- : Content (f)
- , _use_subtitles (false)
- , _subtitle_x_offset (0)
- , _subtitle_y_offset (0)
- , _subtitle_scale (1)
+SubtitleContent::SubtitleContent (Content* parent)
+ : ContentPart (parent)
+ , _use (false)
+ , _burn (false)
+ , _x_offset (0)
+ , _y_offset (0)
+ , _x_scale (1)
+ , _y_scale (1)
+ , _effect (dcp::NONE)
+ , _line_spacing (1)
+ , _outline_width (2)
{
}
-SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
- : Content (f, p)
- , _use_subtitles (false)
- , _subtitle_x_offset (0)
- , _subtitle_y_offset (0)
- , _subtitle_scale (1)
+shared_ptr<SubtitleContent>
+SubtitleContent::from_xml (Content* parent, cxml::ConstNodePtr node, int version)
{
+ if (version < 34) {
+ /* With old metadata FFmpeg content has the subtitle-related tags even with no
+ subtitle streams, so check for that.
+ */
+ if (node->string_child("Type") == "FFmpeg" && node->node_children("SubtitleStream").empty()) {
+ return shared_ptr<SubtitleContent> ();
+ }
+
+ /* Otherwise we can drop through to the newer logic */
+ }
+
+ if (!node->optional_number_child<double>("SubtitleXOffset") && !node->optional_number_child<double>("SubtitleOffset")) {
+ return shared_ptr<SubtitleContent> ();
+ }
+ return shared_ptr<SubtitleContent> (new SubtitleContent (parent, node, version));
}
-SubtitleContent::SubtitleContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
- : Content (f, node)
- , _use_subtitles (false)
- , _subtitle_x_offset (0)
- , _subtitle_y_offset (0)
- , _subtitle_scale (1)
+SubtitleContent::SubtitleContent (Content* parent, cxml::ConstNodePtr node, int version)
+ : ContentPart (parent)
+ , _use (false)
+ , _burn (false)
+ , _x_offset (0)
+ , _y_offset (0)
+ , _x_scale (1)
+ , _y_scale (1)
+ , _line_spacing (node->optional_number_child<double>("LineSpacing").get_value_or (1))
+ , _fade_in (node->optional_number_child<Frame>("SubtitleFadeIn").get_value_or (0))
+ , _fade_out (node->optional_number_child<Frame>("SubtitleFadeOut").get_value_or (0))
+ , _outline_width (node->optional_number_child<int>("OutlineWidth").get_value_or (2))
{
+ if (version >= 32) {
+ _use = node->bool_child ("UseSubtitles");
+ _burn = node->bool_child ("BurnSubtitles");
+ }
+
if (version >= 7) {
- _use_subtitles = node->bool_child ("UseSubtitles");
- _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
- _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
+ _x_offset = node->number_child<double> ("SubtitleXOffset");
+ _y_offset = node->number_child<double> ("SubtitleYOffset");
} else {
- _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
+ _y_offset = node->number_child<double> ("SubtitleOffset");
+ }
+
+ if (node->optional_bool_child("Outline").get_value_or(false)) {
+ _effect = dcp::BORDER;
+ } else if (node->optional_bool_child("Shadow").get_value_or(false)) {
+ _effect = dcp::SHADOW;
+ } else {
+ _effect = dcp::NONE;
+ }
+
+ optional<string> effect = node->optional_string_child("Effect");
+ if (effect) {
+ if (*effect == "none") {
+ _effect = dcp::NONE;
+ } else if (*effect == "outline") {
+ _effect = dcp::BORDER;
+ } else if (*effect == "shadow") {
+ _effect = dcp::SHADOW;
+ }
}
-
- _subtitle_scale = node->number_child<float> ("SubtitleScale");
+
+ if (version >= 10) {
+ _x_scale = node->number_child<double> ("SubtitleXScale");
+ _y_scale = node->number_child<double> ("SubtitleYScale");
+ } else {
+ _x_scale = _y_scale = node->number_child<double> ("SubtitleScale");
+ }
+
+ optional<int> r = node->optional_number_child<int>("Red");
+ optional<int> g = node->optional_number_child<int>("Green");
+ optional<int> b = node->optional_number_child<int>("Blue");
+ if (r && g && b) {
+ _colour = dcp::Colour (*r, *g, *b);
+ }
+
+ if (version >= 36) {
+ optional<int> er = node->optional_number_child<int>("EffectRed");
+ optional<int> eg = node->optional_number_child<int>("EffectGreen");
+ optional<int> eb = node->optional_number_child<int>("EffectBlue");
+ if (er && eg && eb) {
+ _effect_colour = dcp::Colour (*er, *eg, *eb);
+ }
+ } else {
+ _effect_colour = dcp::Colour (
+ node->optional_number_child<int>("OutlineRed").get_value_or(255),
+ node->optional_number_child<int>("OutlineGreen").get_value_or(255),
+ node->optional_number_child<int>("OutlineBlue").get_value_or(255)
+ );
+ }
+
+ _language = node->optional_string_child ("SubtitleLanguage").get_value_or ("");
+
+ list<cxml::NodePtr> fonts = node->node_children ("Font");
+ for (list<cxml::NodePtr>::const_iterator i = fonts.begin(); i != fonts.end(); ++i) {
+ _fonts.push_back (shared_ptr<Font> (new Font (*i)));
+ }
+
+ connect_to_fonts ();
}
-SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
- : Content (f, c)
+SubtitleContent::SubtitleContent (Content* parent, vector<shared_ptr<Content> > c)
+ : ContentPart (parent)
{
- shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
- assert (ref);
-
- for (size_t i = 0; i < c.size(); ++i) {
- shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
+ shared_ptr<SubtitleContent> ref = c[0]->subtitle;
+ DCPOMATIC_ASSERT (ref);
+ list<shared_ptr<Font> > ref_fonts = ref->fonts ();
- if (sc->use_subtitles() != ref->use_subtitles()) {
+ for (size_t i = 1; i < c.size(); ++i) {
+
+ if (c[i]->subtitle->use() != ref->use()) {
throw JoinError (_("Content to be joined must have the same 'use subtitles' setting."));
}
- if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
+ if (c[i]->subtitle->burn() != ref->burn()) {
+ throw JoinError (_("Content to be joined must have the same 'burn subtitles' setting."));
+ }
+
+ if (c[i]->subtitle->x_offset() != ref->x_offset()) {
throw JoinError (_("Content to be joined must have the same subtitle X offset."));
}
-
- if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
+
+ if (c[i]->subtitle->y_offset() != ref->y_offset()) {
throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
}
- if (sc->subtitle_scale() != ref->subtitle_scale()) {
- throw JoinError (_("Content to be joined must have the same subtitle scale."));
+ if (c[i]->subtitle->x_scale() != ref->x_scale()) {
+ throw JoinError (_("Content to be joined must have the same subtitle X scale."));
+ }
+
+ if (c[i]->subtitle->y_scale() != ref->y_scale()) {
+ throw JoinError (_("Content to be joined must have the same subtitle Y scale."));
+ }
+
+ if (c[i]->subtitle->line_spacing() != ref->line_spacing()) {
+ throw JoinError (_("Content to be joined must have the same subtitle line spacing."));
+ }
+
+ if ((c[i]->subtitle->fade_in() != ref->fade_in()) || (c[i]->subtitle->fade_out() != ref->fade_out())) {
+ throw JoinError (_("Content to be joined must have the same subtitle fades."));
+ }
+
+ if ((c[i]->subtitle->outline_width() != ref->outline_width())) {
+ throw JoinError (_("Content to be joined must have the same outline width."));
+ }
+
+ list<shared_ptr<Font> > fonts = c[i]->subtitle->fonts ();
+ if (fonts.size() != ref_fonts.size()) {
+ throw JoinError (_("Content to be joined must use the same fonts."));
+ }
+
+ list<shared_ptr<Font> >::const_iterator j = ref_fonts.begin ();
+ list<shared_ptr<Font> >::const_iterator k = fonts.begin ();
+
+ while (j != ref_fonts.end ()) {
+ if (**j != **k) {
+ throw JoinError (_("Content to be joined must use the same fonts."));
+ }
+ ++j;
+ ++k;
}
}
- _use_subtitles = ref->use_subtitles ();
- _subtitle_x_offset = ref->subtitle_x_offset ();
- _subtitle_y_offset = ref->subtitle_y_offset ();
- _subtitle_scale = ref->subtitle_scale ();
+ _use = ref->use ();
+ _burn = ref->burn ();
+ _x_offset = ref->x_offset ();
+ _y_offset = ref->y_offset ();
+ _x_scale = ref->x_scale ();
+ _y_scale = ref->y_scale ();
+ _language = ref->language ();
+ _fonts = ref_fonts;
+ _line_spacing = ref->line_spacing ();
+ _fade_in = ref->fade_in ();
+ _fade_out = ref->fade_out ();
+ _outline_width = ref->outline_width ();
+
+ connect_to_fonts ();
}
+/** _mutex must not be held on entry */
void
SubtitleContent::as_xml (xmlpp::Node* root) const
{
- root->add_child("UseSubtitles")->add_child_text (raw_convert<string> (_use_subtitles));
- root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
- root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
- root->add_child("SubtitleScale")->add_child_text (raw_convert<string> (_subtitle_scale));
+ boost::mutex::scoped_lock lm (_mutex);
+
+ root->add_child("UseSubtitles")->add_child_text (_use ? "1" : "0");
+ root->add_child("BurnSubtitles")->add_child_text (_burn ? "1" : "0");
+ root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_x_offset));
+ root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_y_offset));
+ root->add_child("SubtitleXScale")->add_child_text (raw_convert<string> (_x_scale));
+ root->add_child("SubtitleYScale")->add_child_text (raw_convert<string> (_y_scale));
+ root->add_child("SubtitleLanguage")->add_child_text (_language);
+ if (_colour) {
+ root->add_child("Red")->add_child_text (raw_convert<string> (_colour->r));
+ root->add_child("Green")->add_child_text (raw_convert<string> (_colour->g));
+ root->add_child("Blue")->add_child_text (raw_convert<string> (_colour->b));
+ }
+ switch (_effect) {
+ case dcp::NONE:
+ root->add_child("none");
+ break;
+ case dcp::BORDER:
+ root->add_child("outline");
+ break;
+ case dcp::SHADOW:
+ root->add_child("shadow");
+ break;
+ }
+ if (_effect_colour) {
+ root->add_child("EffectRed")->add_child_text (raw_convert<string> (_effect_colour->r));
+ root->add_child("EffectGreen")->add_child_text (raw_convert<string> (_effect_colour->g));
+ root->add_child("EffectBlue")->add_child_text (raw_convert<string> (_effect_colour->b));
+ }
+ root->add_child("LineSpacing")->add_child_text (raw_convert<string> (_line_spacing));
+ root->add_child("SubtitleFadeIn")->add_child_text (raw_convert<string> (_fade_in.get()));
+ root->add_child("SubtitleFadeOut")->add_child_text (raw_convert<string> (_fade_out.get()));
+ root->add_child("OutlineWidth")->add_child_text (raw_convert<string> (_outline_width));
+
+ for (list<shared_ptr<Font> >::const_iterator i = _fonts.begin(); i != _fonts.end(); ++i) {
+ (*i)->as_xml (root->add_child("Font"));
+ }
}
-void
-SubtitleContent::set_use_subtitles (bool u)
+string
+SubtitleContent::identifier () const
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _use_subtitles = u;
+ string s = raw_convert<string> (x_scale())
+ + "_" + raw_convert<string> (y_scale())
+ + "_" + raw_convert<string> (x_offset())
+ + "_" + raw_convert<string> (y_offset())
+ + "_" + raw_convert<string> (line_spacing())
+ + "_" + raw_convert<string> (fade_in().get())
+ + "_" + raw_convert<string> (fade_out().get())
+ + "_" + raw_convert<string> (outline_width());
+
+ /* XXX: I suppose really _fonts shouldn't be in here, since not all
+ types of subtitle content involve fonts.
+ */
+ BOOST_FOREACH (shared_ptr<Font> f, _fonts) {
+ for (int i = 0; i < FontFiles::VARIANTS; ++i) {
+ s += "_" + f->file(static_cast<FontFiles::Variant>(i)).get_value_or("Default").string();
+ }
}
- signal_changed (SubtitleContentProperty::USE_SUBTITLES);
+
+ /* The language is for metadata only, and doesn't affect
+ how this content looks.
+ */
+
+ return s;
}
-
+
void
-SubtitleContent::set_subtitle_x_offset (double o)
+SubtitleContent::add_font (shared_ptr<Font> font)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_x_offset = o;
- }
- signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
+ _fonts.push_back (font);
+ connect_to_fonts ();
}
void
-SubtitleContent::set_subtitle_y_offset (double o)
+SubtitleContent::connect_to_fonts ()
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_y_offset = o;
+ BOOST_FOREACH (boost::signals2::connection& i, _font_connections) {
+ i.disconnect ();
+ }
+
+ _font_connections.clear ();
+
+ BOOST_FOREACH (shared_ptr<Font> i, _fonts) {
+ _font_connections.push_back (i->Changed.connect (boost::bind (&SubtitleContent::font_changed, this)));
}
- signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
}
void
-SubtitleContent::set_subtitle_scale (double s)
+SubtitleContent::font_changed ()
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_scale = s;
- }
- signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);
+ _parent->signal_changed (SubtitleContentProperty::FONTS);
}
-string
-SubtitleContent::identifier () const
+void
+SubtitleContent::set_colour (dcp::Colour colour)
+{
+ maybe_set (_colour, colour, SubtitleContentProperty::COLOUR);
+}
+
+void
+SubtitleContent::unset_colour ()
+{
+ maybe_set (_colour, optional<dcp::Colour>(), SubtitleContentProperty::COLOUR);
+}
+
+void
+SubtitleContent::set_effect (dcp::Effect e)
+{
+ maybe_set (_effect, e, SubtitleContentProperty::EFFECT);
+}
+
+void
+SubtitleContent::set_effect_colour (dcp::Colour colour)
+{
+ maybe_set (_effect_colour, colour, SubtitleContentProperty::EFFECT_COLOUR);
+}
+
+void
+SubtitleContent::unset_effect_colour ()
{
- stringstream s;
- s << Content::identifier()
- << "_" << raw_convert<string> (subtitle_scale())
- << "_" << raw_convert<string> (subtitle_x_offset())
- << "_" << raw_convert<string> (subtitle_y_offset());
+ maybe_set (_effect_colour, optional<dcp::Colour>(), SubtitleContentProperty::EFFECT_COLOUR);
+}
+
+void
+SubtitleContent::set_use (bool u)
+{
+ maybe_set (_use, u, SubtitleContentProperty::USE);
+}
+
+void
+SubtitleContent::set_burn (bool b)
+{
+ maybe_set (_burn, b, SubtitleContentProperty::BURN);
+}
+
+void
+SubtitleContent::set_x_offset (double o)
+{
+ maybe_set (_x_offset, o, SubtitleContentProperty::X_OFFSET);
+}
+
+void
+SubtitleContent::set_y_offset (double o)
+{
+ maybe_set (_y_offset, o, SubtitleContentProperty::Y_OFFSET);
+}
- return s.str ();
+void
+SubtitleContent::set_x_scale (double s)
+{
+ maybe_set (_x_scale, s, SubtitleContentProperty::X_SCALE);
+}
+
+void
+SubtitleContent::set_y_scale (double s)
+{
+ maybe_set (_y_scale, s, SubtitleContentProperty::Y_SCALE);
+}
+
+void
+SubtitleContent::set_language (string language)
+{
+ maybe_set (_language, language, SubtitleContentProperty::LANGUAGE);
+}
+
+void
+SubtitleContent::set_line_spacing (double s)
+{
+ maybe_set (_line_spacing, s, SubtitleContentProperty::LINE_SPACING);
+}
+
+void
+SubtitleContent::set_fade_in (ContentTime t)
+{
+ maybe_set (_fade_in, t, SubtitleContentProperty::FADE_IN);
+}
+
+void
+SubtitleContent::set_fade_out (ContentTime t)
+{
+ maybe_set (_fade_out, t, SubtitleContentProperty::FADE_OUT);
+}
+
+void
+SubtitleContent::set_outline_width (int w)
+{
+ maybe_set (_outline_width, w, SubtitleContentProperty::OUTLINE_WIDTH);
+}
+
+void
+SubtitleContent::take_settings_from (shared_ptr<const SubtitleContent> c)
+{
+ set_use (c->_use);
+ set_burn (c->_burn);
+ set_x_offset (c->_x_offset);
+ set_y_offset (c->_y_offset);
+ set_x_scale (c->_x_scale);
+ set_y_scale (c->_y_scale);
+ maybe_set (_fonts, c->_fonts, SubtitleContentProperty::FONTS);
+ if (c->_colour) {
+ set_colour (*c->_colour);
+ } else {
+ unset_colour ();
+ }
+ set_effect (c->_effect);
+ if (c->_effect_colour) {
+ set_effect_colour (*c->_effect_colour);
+ } else {
+ unset_effect_colour ();
+ }
+ set_line_spacing (c->_line_spacing);
+ set_fade_in (c->_fade_in);
+ set_fade_out (c->_fade_out);
+ set_outline_width (c->_outline_width);
}