+ shared_ptr<Piece> piece = wp.lock ();
+ if (!piece) {
+ return;
+ }
+
+ PlayerSubtitles ps;
+
+ BOOST_FOREACH (dcp::SubtitleString s, subtitle.subs) {
+ s.set_h_position (s.h_position() + piece->content->subtitle->x_offset ());
+ s.set_v_position (s.v_position() + piece->content->subtitle->y_offset ());
+ float const xs = piece->content->subtitle->x_scale();
+ float const ys = piece->content->subtitle->y_scale();
+ float size = s.size();
+
+ /* Adjust size to express the common part of the scaling;
+ e.g. if xs = ys = 0.5 we scale size by 2.
+ */
+ if (xs > 1e-5 && ys > 1e-5) {
+ size *= 1 / min (1 / xs, 1 / ys);
+ }
+ s.set_size (size);
+
+ /* Then express aspect ratio changes */
+ if (fabs (1.0 - xs / ys) > dcp::ASPECT_ADJUST_EPSILON) {
+ s.set_aspect_adjust (xs / ys);
+ }
+
+ ps.period = DCPTimePeriod (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
+
+ s.set_in (dcp::Time(ps.period.from.seconds(), 1000));
+ s.set_out (dcp::Time(ps.period.to.seconds(), 1000));
+ ps.text.push_back (SubtitleString (s, piece->content->subtitle->outline_width()));
+ ps.add_fonts (piece->content->subtitle->fonts ());
+ }
+
+ if (piece->content->subtitle->use() && (piece->content->subtitle->burn() || _always_burn_subtitles)) {
+ _subtitles.push_back (ps);
+ } else {
+ Subtitle (ps);
+ }
+}
+
+void
+Player::seek (DCPTime time, bool accurate)
+{
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ if (i->content->position() <= time && time < i->content->end()) {
+ i->decoder->seek (dcp_to_content_time (i, time), accurate);
+ }
+ }
+
+ if (accurate) {
+ _last_video_time = time - DCPTime::from_frames (1, _film->video_frame_rate ());
+ } else {
+ _last_video_time = optional<DCPTime> ();
+ }