Clean up access to stuff from Film.

[dcpomatic.git] / src / wx / film_viewer.cc

diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc
index 373e6d717246d956f982242d83103ce1cbc405fb..31093cb0a8581de14087867cbc22608c64d1dc40 100644 (file)
--- a/src/wx/film_viewer.cc
+++ b/src/wx/film_viewer.cc
@@ -122,7 +122,7 @@ FilmViewer::~FilmViewer ()
 
 /** Ask for ::get() to be called next time we are idle */
 void
-FilmViewer::request_idle_get ()
+FilmViewer::request_idle_display_next_frame ()
 {
        if (_idle_get) {
                return;
@@ -140,7 +140,7 @@ FilmViewer::idle_handler ()
                return;
        }
 
-       if (_video_view->get(true)) {
+       if (_video_view->display_next_frame(true)) {
                _idle_get = false;
        } else {
                /* get() could not complete quickly so we'll try again later */
@@ -156,10 +156,8 @@ FilmViewer::set_film (shared_ptr<Film> film)
        }
 
        _film = film;
-       _video_position = DCPTime ();
-       _video_view->clear ();
 
-       _video_view->set_image (shared_ptr<Image>());
+       _video_view->clear ();
        _closed_captions_dialog->clear ();
 
        if (!_film) {
@@ -185,6 +183,7 @@ FilmViewer::set_film (shared_ptr<Film> film)
        _player->set_play_referenced ();
 
        _film->Change.connect (boost::bind (&FilmViewer::film_change, this, _1, _2));
+       _film->LengthChange.connect (boost::bind(&FilmViewer::film_length_change, this));
        _player->Change.connect (boost::bind (&FilmViewer::player_change, this, _1, _2, _3));
 
        /* Keep about 1 second's worth of history samples */
@@ -256,7 +255,6 @@ FilmViewer::video_view_sized ()
        if (!quick_refresh()) {
                slow_refresh ();
        }
-       PositionChanged ();
 }
 
 void
@@ -303,10 +301,10 @@ FilmViewer::resume ()
        --_suspended;
        if (_playing && !_suspended) {
                if (_audio.isStreamOpen()) {
-                       _audio.setStreamTime (_video_position.seconds());
+                       _audio.setStreamTime (_video_view->position().seconds());
                        _audio.startStream ();
                }
-               timer ();
+               _video_view->start ();
        }
 }
 
@@ -324,12 +322,12 @@ FilmViewer::start ()
        }
 
        if (_audio.isStreamOpen()) {
-               _audio.setStreamTime (_video_position.seconds());
+               _audio.setStreamTime (_video_view->position().seconds());
                _audio.startStream ();
        }
 
-       _playing = true;
        _dropped = 0;
+       _playing = true;
        _video_view->start ();
        Started (position());
 }
@@ -347,6 +345,7 @@ FilmViewer::stop ()
        }
 
        _playing = false;
+       _video_view->stop ();
        Stopped (position());
        return true;
 }
@@ -380,22 +379,33 @@ FilmViewer::player_change (ChangeType type, int property, bool frequent)
        if (!refreshed) {
                slow_refresh ();
        }
-       PositionChanged ();
 }
 
 void
 FilmViewer::film_change (ChangeType type, Film::Property p)
 {
-       if (type == CHANGE_TYPE_DONE && p == Film::AUDIO_CHANNELS) {
+       if (type != CHANGE_TYPE_DONE) {
+               return;
+       }
+
+       if (p == Film::AUDIO_CHANNELS) {
                recreate_butler ();
+       } else if (p == Film::VIDEO_FRAME_RATE) {
+               _video_view->set_video_frame_rate (_film->video_frame_rate());
        }
 }
 
+void
+FilmViewer::film_length_change ()
+{
+       _video_view->set_length (_film->length());
+}
+
 /** Re-get the current frame slowly by seeking */
 void
 FilmViewer::slow_refresh ()
 {
-       seek (_video_position, true);
+       seek (_video_view->position(), true);
 }
 
 /** Try to re-get the current frame quickly by resetting the metadata
@@ -460,10 +470,9 @@ FilmViewer::seek (DCPTime t, bool accurate)
        _butler->seek (t, accurate);
 
        if (!_playing) {
-               request_idle_get ();
+               request_idle_display_next_frame ();
        } else {
-               /* Make sure we get a frame so that _video_position is set up before we resume */
-               while (!get(true)) {}
+               while (!_video_view->display_next_frame(false)) {}
        }
 
        resume ();
@@ -541,7 +550,18 @@ FilmViewer::uncorrected_time () const
                return DCPTime::from_seconds (const_cast<RtAudio*>(&_audio)->getStreamTime());
        }
 
-       return _video_position;
+       return _video_view->position();
+}
+
+optional<DCPTime>
+FilmViewer::audio_time () const
+{
+       if (!_audio.isStreamRunning()) {
+               return optional<DCPTime>();
+       }
+
+       return DCPTime::from_seconds (const_cast<RtAudio*>(&_audio)->getStreamTime ()) -
+               DCPTime::from_frames (average_latency(), _film->audio_frame_rate());
 }
 
 DCPTime
@@ -552,7 +572,7 @@ FilmViewer::time () const
                        DCPTime::from_frames (average_latency(), _film->audio_frame_rate());
        }
 
-       return _video_position;
+       return _video_view->position();
 }
 
 int
@@ -625,7 +645,7 @@ FilmViewer::show_closed_captions ()
 void
 FilmViewer::seek_by (DCPTime by, bool accurate)
 {
-       seek (_video_position + by, accurate);
+       seek (_video_view->position() + by, accurate);
 }
 
 void
@@ -634,10 +654,10 @@ FilmViewer::set_pad_black (bool p)
        _pad_black = p;
 }
 
-/* XXX_b: comment */
-int
-FilmViewer::time_until_next_frame () const
+/* May be called from a non-UI thread */
+void
+FilmViewer::emit_finished ()
 {
-       DCPTime const next = position() + one_video_frame();
-       return max ((next.seconds() - time().seconds()) * 1000, 1.0);
+       emit (boost::bind(boost::ref(Finished)));
 }
+