/*
- Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2021 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 "dcp_subtitle_decoder.h"
+
#include "dcp_subtitle_content.h"
+#include "dcp_subtitle_decoder.h"
+#include "font.h"
+#include "text_content.h"
#include <dcp/interop_subtitle_asset.h>
-#include <iostream>
+#include <dcp/load_font_node.h>
+
+using std::dynamic_pointer_cast;
using std::list;
-using std::cout;
-using boost::shared_ptr;
-using boost::bind;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using boost::optional;
+using namespace dcpomatic;
+
-DCPSubtitleDecoder::DCPSubtitleDecoder (shared_ptr<const DCPSubtitleContent> content)
+DCPSubtitleDecoder::DCPSubtitleDecoder (shared_ptr<const Film> film, shared_ptr<const DCPSubtitleContent> content)
+ : Decoder (film)
{
- subtitle.reset (
- new SubtitleDecoder (
- this,
- content->subtitle,
- bind (&DCPSubtitleDecoder::image_subtitles_during, this, _1, _2),
- bind (&DCPSubtitleDecoder::text_subtitles_during, this, _1, _2)
- )
- );
-
- shared_ptr<dcp::SubtitleAsset> c (load (content->path (0)));
- _subtitles = c->subtitles ();
+ /* Load the XML or MXF file */
+ auto const asset = load (content->path(0));
+ asset->fix_empty_font_ids ();
+ _subtitles = asset->subtitles ();
_next = _subtitles.begin ();
+
+ if (dynamic_pointer_cast<dcp::InteropSubtitleAsset>(asset)) {
+ _standard = dcp::Standard::INTEROP;
+ } else {
+ _standard = dcp::Standard::SMPTE;
+ }
+
+ text.push_back (make_shared<TextDecoder>(this, content->only_text()));
+ update_position();
}
+
void
DCPSubtitleDecoder::seek (ContentTime time, bool accurate)
{
- subtitle->seek (time, accurate);
+ Decoder::seek (time, accurate);
_next = _subtitles.begin ();
- list<dcp::SubtitleString>::const_iterator i = _subtitles.begin ();
- while (i != _subtitles.end() && ContentTime::from_seconds (_next->in().as_seconds()) < time) {
+ auto i = _subtitles.begin ();
+ while (i != _subtitles.end() && ContentTime::from_seconds ((*_next)->in().as_seconds()) < time) {
++i;
}
+
+ update_position();
}
+
bool
-DCPSubtitleDecoder::pass (PassReason, bool)
+DCPSubtitleDecoder::pass ()
{
if (_next == _subtitles.end ()) {
return true;
/* Gather all subtitles with the same time period that are next
on the list. We must emit all subtitles for the same time
- period with the same text_subtitle() call otherwise the
- SubtitleDecoder will assume there is nothing else at the
- time of emit the first.
+ period with the same emit*() call otherwise the
+ TextDecoder will assume there is nothing else at the
+ time of emitting the first.
*/
- list<dcp::SubtitleString> s;
- ContentTimePeriod const p = content_time_period (*_next);
+ vector<dcp::SubtitleString> s;
+ vector<dcp::SubtitleImage> i;
+ auto const p = content_time_period (*_next);
while (_next != _subtitles.end () && content_time_period (*_next) == p) {
- s.push_back (*_next);
- ++_next;
+ auto ns = dynamic_pointer_cast<const dcp::SubtitleString>(*_next);
+ if (ns) {
+ s.push_back (*ns);
+ ++_next;
+ } else {
+ /* XXX: perhaps these image subs should also be collected together like the string ones are;
+ this would need to be done both here and in DCPDecoder.
+ */
+
+ auto ni = dynamic_pointer_cast<const dcp::SubtitleImage>(*_next);
+ if (ni) {
+ emit_subtitle_image (p, *ni, film()->frame_size(), only_text());
+ ++_next;
+ }
+ }
}
- subtitle->text_subtitle (p, s);
+ only_text()->emit_plain(p, s, _standard);
+
+ update_position();
return false;
}
-list<ContentTimePeriod>
-DCPSubtitleDecoder::image_subtitles_during (ContentTimePeriod, bool) const
-{
- return list<ContentTimePeriod> ();
-}
-list<ContentTimePeriod>
-DCPSubtitleDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const
+ContentTimePeriod
+DCPSubtitleDecoder::content_time_period (shared_ptr<const dcp::Subtitle> s) const
{
- /* XXX: inefficient */
+ return {
+ ContentTime::from_seconds(s->in().as_seconds()),
+ ContentTime::from_seconds(s->out().as_seconds())
+ };
+}
- list<ContentTimePeriod> d;
- for (list<dcp::SubtitleString>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- ContentTimePeriod period = content_time_period (*i);
- if ((starting && p.contains (period.from)) || (!starting && p.overlaps (period))) {
- d.push_back (period);
- }
+/** @return time of first subtitle, if there is one */
+optional<ContentTime>
+DCPSubtitleDecoder::first () const
+{
+ if (_subtitles.empty()) {
+ return {};
}
- return d;
+ return ContentTime::from_seconds(_subtitles[0]->in().as_seconds());
}
-ContentTimePeriod
-DCPSubtitleDecoder::content_time_period (dcp::SubtitleString s) const
+
+void
+DCPSubtitleDecoder::update_position()
{
- return ContentTimePeriod (
- ContentTime::from_seconds (s.in().as_seconds ()),
- ContentTime::from_seconds (s.out().as_seconds ())
- );
+ if (_next != _subtitles.end()) {
+ only_text()->maybe_set_position(
+ ContentTime::from_seconds((*_next)->in().as_seconds())
+ );
+ }
}
+
projects / dcpomatic.git / blobdiff