float -> double in a few places.
[dcpomatic.git] / src / lib / player.cc
index 1a008eebb9abc5da060221443a671109ab57957a..b00df4e2336b5519391bb74e164b671830c4b508 100644 (file)
@@ -309,7 +309,7 @@ Player::black_player_video_frame (DCPTime time) const
                        shared_ptr<const ImageProxy> (new RawImageProxy (_black_image)),
                        time,
                        Crop (),
-                       optional<float> (),
+                       optional<double> (),
                        _video_container_size,
                        _video_container_size,
                        EYES_BOTH,
@@ -361,38 +361,57 @@ Player::get_video (DCPTime time, bool accurate)
                /* No video content at this time */
                pvf.push_back (black_player_video_frame (time));
        } else {
-               /* Create a PlayerVideo from the content's video at this time */
-
-               shared_ptr<Piece> piece = ov.back ();
-               shared_ptr<VideoDecoder> decoder = dynamic_pointer_cast<VideoDecoder> (piece->decoder);
-               DCPOMATIC_ASSERT (decoder);
-               shared_ptr<VideoContent> video_content = dynamic_pointer_cast<VideoContent> (piece->content);
-               DCPOMATIC_ASSERT (video_content);
-
-               list<ContentVideo> content_video = decoder->get_video (dcp_to_content_video (piece, time), accurate);
-               if (content_video.empty ()) {
-                       pvf.push_back (black_player_video_frame (time));
-                       return pvf;
+               /* Decide which pieces of content to use */
+               list<shared_ptr<Piece> > ov_to_use;
+
+               /* Always use the last one */
+               list<shared_ptr<Piece> >::reverse_iterator i = ov.rbegin ();
+               ov_to_use.push_back (*i);
+               VideoFrameType const first_type = dynamic_pointer_cast<VideoContent> ((*i)->content)->video_frame_type ();
+
+               ++i;
+               if (i != ov.rend ()) {
+                       shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> ((*i)->content);
+                       /* Use the second to last if it's the other part of a 3D content pair */
+                       if (
+                               (first_type == VIDEO_FRAME_TYPE_3D_LEFT && vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) ||
+                               (first_type == VIDEO_FRAME_TYPE_3D_RIGHT && vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_LEFT)
+                               ) {
+                               /* Other part of a pair of 3D content */
+                               ov_to_use.push_back (*i);
+                       }
                }
 
-               dcp::Size image_size = video_content->scale().size (video_content, _video_container_size, _film->frame_size ());
-
-               for (list<ContentVideo>::const_iterator i = content_video.begin(); i != content_video.end(); ++i) {
-                       pvf.push_back (
-                               shared_ptr<PlayerVideo> (
-                                       new PlayerVideo (
-                                               i->image,
-                                               content_video_to_dcp (piece, i->frame),
-                                               video_content->crop (),
-                                               video_content->fade (i->frame),
-                                               image_size,
-                                               _video_container_size,
-                                               i->eyes,
-                                               i->part,
-                                               video_content->colour_conversion ()
-                                               )
-                                       )
-                               );
+               BOOST_FOREACH (shared_ptr<Piece> piece, ov_to_use) {
+                       shared_ptr<VideoDecoder> decoder = dynamic_pointer_cast<VideoDecoder> (piece->decoder);
+                       DCPOMATIC_ASSERT (decoder);
+                       shared_ptr<VideoContent> video_content = dynamic_pointer_cast<VideoContent> (piece->content);
+                       DCPOMATIC_ASSERT (video_content);
+
+                       list<ContentVideo> content_video = decoder->get_video (dcp_to_content_video (piece, time), accurate);
+                       if (content_video.empty ()) {
+                               pvf.push_back (black_player_video_frame (time));
+                       } else {
+                               dcp::Size image_size = video_content->scale().size (video_content, _video_container_size, _film->frame_size ());
+
+                               for (list<ContentVideo>::const_iterator i = content_video.begin(); i != content_video.end(); ++i) {
+                                       pvf.push_back (
+                                               shared_ptr<PlayerVideo> (
+                                                       new PlayerVideo (
+                                                               i->image,
+                                                               content_video_to_dcp (piece, i->frame),
+                                                               video_content->crop (),
+                                                               video_content->fade (i->frame),
+                                                               image_size,
+                                                               _video_container_size,
+                                                               i->eyes,
+                                                               i->part,
+                                                               video_content->colour_conversion ()
+                                                               )
+                                                       )
+                                               );
+                               }
+                       }
                }
        }
 
@@ -445,10 +464,15 @@ Player::get_audio (DCPTime time, DCPTime length, bool accurate)
                        request = DCPTime ();
                }
 
-               Frame const content_frame = dcp_to_content_audio (*i, request);
+               Frame const content_frame = dcp_to_resampled_audio (*i, request);
 
                BOOST_FOREACH (AudioStreamPtr j, content->audio_streams ()) {
 
+                       if (j->channels() == 0) {
+                               /* Some content (e.g. DCPs) can have streams with no channels */
+                               continue;
+                       }
+
                        /* Audio from this piece's decoder stream (which might be more or less than what we asked for) */
                        ContentAudio all = decoder->get_audio (j, content_frame, request_frames, accurate);
 
@@ -497,60 +521,38 @@ Player::get_audio (DCPTime time, DCPTime length, bool accurate)
 Frame
 Player::dcp_to_content_video (shared_ptr<const Piece> piece, DCPTime t) const
 {
-       /* s is the offset of t from the start position of this content */
+       shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (piece->content);
        DCPTime s = t - piece->content->position ();
-       s = DCPTime (max (DCPTime::Type (0), s.get ()));
-       s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
-
-       /* Convert this to the content frame */
-       return DCPTime (s + piece->content->trim_start()).frames (_film->video_frame_rate()) / piece->frc.factor ();
+       s = min (piece->content->length_after_trim(), s);
+       std::cout << "s=" << s << " " << ContentTime(s, piece->frc) << "\n";
+       std::cout << (ContentTime (s, piece->frc) + piece->content->trim_start ()) << "\n";
+       std::cout << s.get() << "\n";
+       std::cout << (s.get() * 24.0 / 96000) << "\n";
+       return max (ContentTime (), ContentTime (s, piece->frc) + piece->content->trim_start ()).frames (vc->video_frame_rate ());
 }
 
 DCPTime
 Player::content_video_to_dcp (shared_ptr<const Piece> piece, Frame f) const
 {
-       DCPTime t = DCPTime::from_frames (f * piece->frc.factor (), _film->video_frame_rate()) - piece->content->trim_start () + piece->content->position ();
-       if (t < DCPTime ()) {
-               t = DCPTime ();
-       }
-
-       return t;
+       shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (piece->content);
+       ContentTime const c = ContentTime::from_frames (f, vc->video_frame_rate ()) - piece->content->trim_start ();
+       return max (DCPTime (), DCPTime (c, piece->frc) + piece->content->position ());
 }
 
 Frame
-Player::dcp_to_content_audio (shared_ptr<const Piece> piece, DCPTime t) const
+Player::dcp_to_resampled_audio (shared_ptr<const Piece> piece, DCPTime t) const
 {
-       /* s is the offset of t from the start position of this content */
-       DCPTime s = t - piece->content->position ();
-       s = DCPTime (max (DCPTime::Type (0), s.get ()));
-       s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
-
-       /* Convert this to the content frame */
-       return DCPTime (s + piece->content->trim_start()).frames (_film->audio_frame_rate());
+       DCPTime s = t - piece->content->position () + DCPTime (piece->content->trim_start (), piece->frc);
+       s = max (DCPTime (), min (piece->content->length_after_trim(), s));
+       return s.frames (_film->audio_frame_rate ());
 }
 
 ContentTime
 Player::dcp_to_content_subtitle (shared_ptr<const Piece> piece, DCPTime t) const
 {
-       /* s is the offset of t from the start position of this content */
        DCPTime s = t - piece->content->position ();
-       s = DCPTime (max (DCPTime::Type (0), s.get ()));
-       s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
-
-       return ContentTime (s + piece->content->trim_start(), piece->frc);
-}
-
-void
-PlayerStatistics::dump (shared_ptr<Log> log) const
-{
-       log->log (String::compose ("Video: %1 good %2 skipped %3 black %4 repeat", video.good, video.skip, video.black, video.repeat), Log::TYPE_GENERAL);
-       log->log (String::compose ("Audio: %1 good %2 skipped %3 silence", audio.good, audio.skip, audio.silence.seconds()), Log::TYPE_GENERAL);
-}
-
-PlayerStatistics const &
-Player::statistics () const
-{
-       return _statistics;
+       s = min (piece->content->length_after_trim(), s);
+       return max (ContentTime (), ContentTime (s, piece->frc) + piece->content->trim_start());
 }
 
 /** @param burnt true to return only subtitles to be burnt, false to return only