#include "subtitle_decoder.h"
#include "subtitle_content.h"
#include "util.h"
+#include "log.h"
+#include "compose.hpp"
#include <sub/subtitle.h>
#include <boost/shared_ptr.hpp>
#include <boost/foreach.hpp>
+#include <boost/algorithm/string.hpp>
#include <iostream>
using std::list;
SubtitleDecoder::SubtitleDecoder (
Decoder* parent,
shared_ptr<const SubtitleContent> c,
- function<list<ContentTimePeriod> (ContentTimePeriod, bool)> image_during,
- function<list<ContentTimePeriod> (ContentTimePeriod, bool)> text_during
+ shared_ptr<Log> log
)
- : _parent (parent)
+ : DecoderPart (parent, log)
, _content (c)
- , _image_during (image_during)
- , _text_during (text_during)
{
}
* of the video frame)
*/
void
-SubtitleDecoder::give_image (ContentTimePeriod period, shared_ptr<Image> image, dcpomatic::Rect<double> rect)
+SubtitleDecoder::emit_image (ContentTimePeriod period, shared_ptr<Image> image, dcpomatic::Rect<double> rect)
{
- _decoded_image.push_back (ContentImageSubtitle (period, image, rect));
+ ImageData (ContentImageSubtitle (period, image, rect));
}
void
-SubtitleDecoder::give_text (ContentTimePeriod period, list<dcp::SubtitleString> s)
+SubtitleDecoder::emit_text (ContentTimePeriod period, list<dcp::SubtitleString> s)
{
- _decoded_text.push_back (ContentTextSubtitle (period, s));
-}
-
-/** @param sp Full periods of subtitles that are showing or starting during the specified period */
-template <class T>
-list<T>
-SubtitleDecoder::get (list<T> const & subs, list<ContentTimePeriod> const & sp, ContentTimePeriod period, bool starting, bool accurate)
-{
- if (sp.empty ()) {
- /* Nothing in this period */
- return list<T> ();
- }
-
- /* 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))) {
- _parent->seek (sp.front().from, true);
- }
-
- /* Now enough pass() calls will either:
- * (a) give us what we want, or
- * (b) hit the end of the decoder.
- */
- while (!_parent->pass(Decoder::PASS_REASON_SUBTITLE, accurate) && (subs.empty() || (subs.back().period().to < sp.back().to))) {}
-
- /* Now look for what we wanted in the data we have collected */
- /* XXX: inefficient */
-
- list<T> out;
- for (typename list<T>::const_iterator i = subs.begin(); i != subs.end(); ++i) {
- if ((starting && period.contains (i->period().from)) || (!starting && period.overlaps (i->period ()))) {
- out.push_back (*i);
- }
- }
-
- /* Discard anything in _decoded_image_subtitles that is outside 5 seconds either side of period */
-
- list<ContentImageSubtitle>::iterator i = _decoded_image.begin();
- while (i != _decoded_image.end()) {
- list<ContentImageSubtitle>::iterator tmp = i;
- ++tmp;
-
- if (
- i->period().to < (period.from - ContentTime::from_seconds (5)) ||
- i->period().from > (period.to + ContentTime::from_seconds (5))
- ) {
- _decoded_image.erase (i);
- }
-
- i = tmp;
+ /* We must escape < and > in strings, otherwise they might confuse our subtitle
+ renderer (which uses some HTML-esque markup to do bold/italic etc.)
+ */
+ BOOST_FOREACH (dcp::SubtitleString& i, s) {
+ string t = i.text ();
+ boost::algorithm::replace_all (t, "<", "<");
+ boost::algorithm::replace_all (t, ">", ">");
+ i.set_text (t);
}
- return out;
-}
-
-list<ContentTextSubtitle>
-SubtitleDecoder::get_text (ContentTimePeriod period, bool starting, bool accurate)
-{
- return get<ContentTextSubtitle> (_decoded_text, _text_during (period, starting), period, starting, accurate);
-}
-
-list<ContentImageSubtitle>
-SubtitleDecoder::get_image (ContentTimePeriod period, bool starting, bool accurate)
-{
- return get<ContentImageSubtitle> (_decoded_image, _image_during (period, starting), period, starting, accurate);
-}
-
-void
-SubtitleDecoder::seek (ContentTime, bool)
-{
- reset ();
-}
-
-void
-SubtitleDecoder::reset ()
-{
- _decoded_text.clear ();
- _decoded_image.clear ();
+ TextData (ContentTextSubtitle (period, s));
}
void
-SubtitleDecoder::give_text (ContentTimePeriod period, sub::Subtitle const & subtitle)
+SubtitleDecoder::emit_text (ContentTimePeriod period, sub::Subtitle const & subtitle)
{
/* See if our next subtitle needs to be placed on screen by us */
bool needs_placement = false;
}
}
- /* Find the lowest proportional postion */
+ /* Find the lowest proportional position */
optional<float> lowest_proportional;
BOOST_FOREACH (sub::Line i, subtitle.lines) {
if (i.vertical_position.proportional) {
BOOST_FOREACH (sub::Block j, i.blocks) {
if (!j.font_size.specified()) {
- /* Fallback default font size if none other has been specified */
+ /* Fallback default font size if no other has been specified */
j.font_size.set_points (48);
}
}
}
+ dcp::Effect effect = dcp::NONE;
+ if (content()->outline()) {
+ effect = dcp::BORDER;
+ } else if (content()->shadow()) {
+ effect = dcp::SHADOW;
+ }
+
out.push_back (
dcp::SubtitleString (
string(TEXT_FONT_ID),
v_align,
dcp::DIRECTION_LTR,
j.text,
- content()->outline() ? dcp::BORDER : dcp::NONE,
- content()->outline_colour(),
- dcp::Time (0, 1000),
- dcp::Time (0, 1000)
+ effect,
+ content()->effect_colour(),
+ dcp::Time (content()->fade_in().seconds(), 1000),
+ dcp::Time (content()->fade_out().seconds(), 1000)
)
);
}
}
- give_text (period, out);
+ emit_text (period, out);
}
projects / dcpomatic.git / blobdiff