using boost::optional;
using boost::dynamic_pointer_cast;
-TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content)
+TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content, shared_ptr<Log> log)
: TextSubtitle (content)
, _next (0)
{
- subtitle.reset (
- new SubtitleDecoder (
- this,
- content->subtitle,
- bind (&TextSubtitleDecoder::image_subtitles_during, this, _1, _2),
- bind (&TextSubtitleDecoder::text_subtitles_during, this, _1, _2)
- )
- );
+ subtitle.reset (new SubtitleDecoder (this, content->subtitle, log));
}
void
TextSubtitleDecoder::seek (ContentTime time, bool accurate)
{
- subtitle->seek (time, accurate);
+ /* It's worth back-tracking a little here as decoding is cheap and it's nice if we don't miss
+ too many subtitles when seeking.
+ */
+ time -= ContentTime::from_seconds (5);
+ if (time < ContentTime()) {
+ time = ContentTime();
+ }
+
+ Decoder::seek (time, accurate);
_next = 0;
while (_next < _subtitles.size() && ContentTime::from_seconds (_subtitles[_next].from.all_as_seconds ()) < time) {
}
bool
-TextSubtitleDecoder::pass (PassReason, bool)
+TextSubtitleDecoder::pass ()
{
if (_next >= _subtitles.size ()) {
return true;
}
- /* XXX: we are ignoring positioning specified in the file */
-
- list<dcp::SubtitleString> out;
-
- /* Highest line index in this subtitle */
- int highest = 0;
- BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) {
- DCPOMATIC_ASSERT (i.vertical_position.reference && i.vertical_position.reference.get() == sub::TOP_OF_SUBTITLE);
- DCPOMATIC_ASSERT (i.vertical_position.line);
- highest = max (highest, i.vertical_position.line.get());
- }
-
- BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) {
- BOOST_FOREACH (sub::Block j, i.blocks) {
- out.push_back (
- dcp::SubtitleString (
- TextSubtitleContent::font_id,
- j.italic,
- j.bold,
- /* force the colour to whatever is configured */
- subtitle->content()->colour(),
- j.font_size.points (72 * 11),
- 1.0,
- dcp::Time (_subtitles[_next].from.all_as_seconds(), 1000),
- dcp::Time (_subtitles[_next].to.all_as_seconds(), 1000),
- 0,
- dcp::HALIGN_CENTER,
- /* This 1.015 is an arbitrary value to lift the bottom sub off the bottom
- of the screen a bit to a pleasing degree.
- */
- 1.015 - ((1 + highest - i.vertical_position.line.get()) * 1.5 / 22),
- dcp::VALIGN_TOP,
- dcp::DIRECTION_LTR,
- j.text,
- subtitle->content()->outline() ? dcp::BORDER : dcp::NONE,
- subtitle->content()->outline_colour(),
- dcp::Time (0, 1000),
- dcp::Time (0, 1000)
- )
- );
- }
- }
-
- subtitle->give_text (content_time_period (_subtitles[_next]), out);
+ ContentTimePeriod const p = content_time_period (_subtitles[_next]);
+ subtitle->emit_text (p, _subtitles[_next]);
++_next;
return false;
}
-list<ContentTimePeriod>
-TextSubtitleDecoder::image_subtitles_during (ContentTimePeriod, bool) const
-{
- return list<ContentTimePeriod> ();
-}
-
-list<ContentTimePeriod>
-TextSubtitleDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const
-{
- /* XXX: inefficient */
-
- list<ContentTimePeriod> d;
-
- for (vector<sub::Subtitle>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- ContentTimePeriod t = content_time_period (*i);
- if ((starting && p.contains (t.from)) || (!starting && p.overlaps (t))) {
- d.push_back (t);
- }
- }
-
- return d;
-}
-
ContentTimePeriod
TextSubtitleDecoder::content_time_period (sub::Subtitle s) const
{