/*
Copyright (C) 2013-2016 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 "subtitle_decoder.h"
#include "subtitle_content.h"
+#include "util.h"
+#include <sub/subtitle.h>
#include <boost/shared_ptr.hpp>
#include <boost/foreach.hpp>
#include <iostream>
using std::list;
using std::cout;
+using std::string;
using boost::shared_ptr;
using boost::optional;
using boost::function;
SubtitleDecoder::SubtitleDecoder (
Decoder* parent,
shared_ptr<const SubtitleContent> c,
- function<list<ContentTimePeriod> (ContentTimePeriod, bool)> image_subtitles_during,
- function<list<ContentTimePeriod> (ContentTimePeriod, bool)> text_subtitles_during
+ function<list<ContentTimePeriod> (ContentTimePeriod, bool)> image_during,
+ function<list<ContentTimePeriod> (ContentTimePeriod, bool)> text_during
)
: _parent (parent)
- , _subtitle_content (c)
- , _image_subtitles_during (image_subtitles_during)
- , _text_subtitles_during (text_subtitles_during)
+ , _content (c)
+ , _image_during (image_during)
+ , _text_during (text_during)
{
}
* of the video frame)
*/
void
-SubtitleDecoder::image_subtitle (ContentTimePeriod period, shared_ptr<Image> image, dcpomatic::Rect<double> rect)
+SubtitleDecoder::give_image (ContentTimePeriod period, shared_ptr<Image> image, dcpomatic::Rect<double> rect)
{
- _decoded_image_subtitles.push_back (ContentImageSubtitle (period, image, rect));
+ _decoded_image.push_back (ContentImageSubtitle (period, image, rect));
}
void
-SubtitleDecoder::text_subtitle (ContentTimePeriod period, list<dcp::SubtitleString> s)
+SubtitleDecoder::give_text (ContentTimePeriod period, list<dcp::SubtitleString> s)
{
- _decoded_text_subtitles.push_back (ContentTextSubtitle (period, s));
+ _decoded_text.push_back (ContentTextSubtitle (period, s));
}
/** @param sp Full periods of subtitles that are showing or starting during the specified period */
/* Seek if what we want is before what we have, or a more than a little bit after */
if (subs.empty() || sp.back().to < subs.front().period().from || sp.front().from > (subs.back().period().to + ContentTime::from_seconds (1))) {
- seek (sp.front().from, true);
+ _parent->seek (sp.front().from, true);
}
/* Now enough pass() calls will either:
/* Discard anything in _decoded_image_subtitles that is outside 5 seconds either side of period */
- list<ContentImageSubtitle>::iterator i = _decoded_image_subtitles.begin();
- while (i != _decoded_image_subtitles.end()) {
+ list<ContentImageSubtitle>::iterator i = _decoded_image.begin();
+ while (i != _decoded_image.end()) {
list<ContentImageSubtitle>::iterator tmp = i;
++tmp;
i->period().to < (period.from - ContentTime::from_seconds (5)) ||
i->period().from > (period.to + ContentTime::from_seconds (5))
) {
- _decoded_image_subtitles.erase (i);
+ _decoded_image.erase (i);
}
i = tmp;
}
list<ContentTextSubtitle>
-SubtitleDecoder::get_text_subtitles (ContentTimePeriod period, bool starting, bool accurate)
+SubtitleDecoder::get_text (ContentTimePeriod period, bool starting, bool accurate)
{
- return get<ContentTextSubtitle> (_decoded_text_subtitles, _text_subtitles_during (period, starting), period, starting, accurate);
+ return get<ContentTextSubtitle> (_decoded_text, _text_during (period, starting), period, starting, accurate);
}
list<ContentImageSubtitle>
-SubtitleDecoder::get_image_subtitles (ContentTimePeriod period, bool starting, bool accurate)
+SubtitleDecoder::get_image (ContentTimePeriod period, bool starting, bool accurate)
{
- return get<ContentImageSubtitle> (_decoded_image_subtitles, _image_subtitles_during (period, starting), period, starting, accurate);
+ return get<ContentImageSubtitle> (_decoded_image, _image_during (period, starting), period, starting, accurate);
}
void
SubtitleDecoder::seek (ContentTime, bool)
{
- _decoded_text_subtitles.clear ();
- _decoded_image_subtitles.clear ();
+ _decoded_text.clear ();
+ _decoded_image.clear ();
+}
+
+void
+SubtitleDecoder::give_text (ContentTimePeriod period, sub::Subtitle const & subtitle)
+{
+ /* See if our next subtitle needs to be placed on screen by us */
+ bool needs_placement = false;
+ BOOST_FOREACH (sub::Line i, subtitle.lines) {
+ if (!i.vertical_position.reference || i.vertical_position.reference.get() == sub::TOP_OF_SUBTITLE) {
+ needs_placement = true;
+ }
+ }
+
+ list<dcp::SubtitleString> out;
+ BOOST_FOREACH (sub::Line i, subtitle.lines) {
+ BOOST_FOREACH (sub::Block j, i.blocks) {
+
+ float v_position;
+ dcp::VAlign v_align;
+ if (needs_placement) {
+ DCPOMATIC_ASSERT (i.vertical_position.line);
+ /* This 0.878 is an arbitrary value to lift the bottom sub off the bottom
+ of the screen a bit to a pleasing degree.
+ */
+ v_position = 0.878 + i.vertical_position.line.get() * 1.5 / 22;
+ v_align = dcp::VALIGN_BOTTOM;
+ } else {
+ DCPOMATIC_ASSERT (i.vertical_position.proportional);
+ DCPOMATIC_ASSERT (i.vertical_position.reference);
+ v_position = i.vertical_position.proportional.get();
+ switch (i.vertical_position.reference.get()) {
+ case sub::TOP_OF_SCREEN:
+ v_align = dcp::VALIGN_TOP;
+ break;
+ case sub::CENTRE_OF_SCREEN:
+ v_align = dcp::VALIGN_CENTER;
+ break;
+ case sub::BOTTOM_OF_SCREEN:
+ v_align = dcp::VALIGN_BOTTOM;
+ break;
+ default:
+ v_align = dcp::VALIGN_TOP;
+ break;
+ }
+ }
+
+ out.push_back (
+ dcp::SubtitleString (
+ string(TEXT_FONT_ID),
+ j.italic,
+ j.bold,
+ /* force the colour to whatever is configured */
+ content()->colour(),
+ j.font_size.points (72 * 11),
+ 1.0,
+ dcp::Time (subtitle.from.all_as_seconds(), 1000),
+ dcp::Time (subtitle.to.all_as_seconds(), 1000),
+ 0,
+ dcp::HALIGN_CENTER,
+ v_position,
+ v_align,
+ dcp::DIRECTION_LTR,
+ j.text,
+ content()->outline() ? dcp::BORDER : dcp::NONE,
+ content()->outline_colour(),
+ dcp::Time (0, 1000),
+ dcp::Time (0, 1000)
+ )
+ );
+ }
+ }
+
+ give_text (period, out);
}
projects / dcpomatic.git / blobdiff