Move _state_timer into VideoView.
[dcpomatic.git] / src / wx / simple_video_view.cc
index 7d20800..437aed4 100644 (file)
@@ -21,6 +21,7 @@
 #include "simple_video_view.h"
 #include "film_viewer.h"
 #include "wx_util.h"
+#include "closed_captions_dialog.h"
 #include "lib/image.h"
 #include "lib/dcpomatic_log.h"
 #include "lib/butler.h"
@@ -31,6 +32,7 @@
 using std::max;
 using std::string;
 using boost::optional;
+using boost::shared_ptr;
 using namespace dcpomatic;
 
 SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
@@ -54,7 +56,7 @@ SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
 void
 SimpleVideoView::paint ()
 {
-        _viewer->state_timer().set("paint-panel");
+        _state_timer.set("paint-panel");
        wxPaintDC dc (_panel);
 
        dcp::Size const out_size = _viewer->out_size ();
@@ -123,92 +125,134 @@ SimpleVideoView::paint ()
        }
 
        if (_viewer->outline_content()) {
-               Position<int> inter_position = _viewer->inter_position ();
-               dcp::Size inter_size = _viewer->inter_size ();
                wxPen p (wxColour (255, 0, 0), 2);
                dc.SetPen (p);
                dc.SetBrush (*wxTRANSPARENT_BRUSH);
-               dc.DrawRectangle (inter_position.x, inter_position.y + (panel_size.GetHeight() - out_size.height) / 2, inter_size.width, inter_size.height);
+               dc.DrawRectangle (_inter_position.x, _inter_position.y + (panel_size.GetHeight() - out_size.height) / 2, _inter_size.width, _inter_size.height);
        }
-        _viewer->state_timer().unset();
+        _state_timer.unset();
 }
 
 void
 SimpleVideoView::update ()
 {
+       _state_timer.set ("update-view");
        _panel->Refresh ();
        _panel->Update ();
+       _state_timer.unset ();
 }
 
 void
 SimpleVideoView::timer ()
 {
-       if (!_viewer->film() || !_viewer->playing()) {
+       if (!_viewer->playing()) {
                return;
        }
 
-       get (false);
+       display_next_frame (false);
        DCPTime const next = _viewer->position() + _viewer->one_video_frame();
 
-       if (next >= _viewer->film()->length()) {
+       if (next >= length()) {
                _viewer->stop ();
                _viewer->Finished ();
                return;
        }
 
        LOG_DEBUG_PLAYER("%1 -> %2; delay %3", next.seconds(), _viewer->time().seconds(), max((next.seconds() - _viewer->time().seconds()) * 1000, 1.0));
-       _timer.Start (max ((next.seconds() - _viewer->time().seconds()) * 1000, 1.0), wxTIMER_ONE_SHOT);
+       _timer.Start (time_until_next_frame(), wxTIMER_ONE_SHOT);
 
-       if (_viewer->_butler) {
-               _viewer->_butler->rethrow ();
+       if (_viewer->butler()) {
+               _viewer->butler()->rethrow ();
        }
 }
 
 void
 SimpleVideoView::start ()
 {
+       VideoView::start ();
        timer ();
 }
 
 /** Try to get a frame from the butler and display it.
- *  @param lazy true to return false quickly if no video is available quickly (i.e. we are waiting for the butler).
+ *  @param non_blocking true to return false quickly if no video is available quickly (i.e. we are waiting for the butler).
  *  false to ask the butler to block until it has video (unless it is suspended).
  *  @return true on success, false if we did nothing because it would have taken too long.
  */
 bool
-SimpleVideoView::get (bool lazy)
+SimpleVideoView::display_next_frame (bool non_blocking)
 {
-       DCPOMATIC_ASSERT (_viewer->_butler);
-       _viewer->_gets++;
-
-       do {
-               Butler::Error e;
-               _viewer->_player_video = _viewer->_butler->get_video (!lazy, &e);
-               if (!_viewer->_player_video.first && e == Butler::AGAIN) {
-                       if (lazy) {
-                               /* No video available; return saying we failed */
-                               return false;
-                       } else {
-                               /* Player was suspended; come back later */
-                               signal_manager->when_idle (boost::bind(&SimpleVideoView::get, this, false));
-                               return false;
-                       }
+       bool r = get_next_frame (non_blocking);
+       if (!r) {
+               if (non_blocking) {
+                       /* No video available; return saying we failed */
+                       return false;
+               } else {
+                       /* Player was suspended; come back later */
+                       signal_manager->when_idle (boost::bind(&SimpleVideoView::display_next_frame, this, false));
+                       return false;
                }
-       } while (
-               _viewer->_player_video.first &&
-               _viewer->film()->three_d() &&
-               _viewer->_eyes != _viewer->_player_video.first->eyes() &&
-               _viewer->_player_video.first->eyes() != EYES_BOTH
-               );
+       }
+
+       display_player_video ();
 
        try {
-               _viewer->_butler->rethrow ();
+               _viewer->butler()->rethrow ();
        } catch (DecodeError& e) {
                error_dialog (get(), e.what());
        }
 
-       _viewer->display_player_video ();
-       _viewer->PositionChanged ();
-
        return true;
 }
+
+void
+SimpleVideoView::display_player_video ()
+{
+       if (!player_video().first) {
+               set_image (shared_ptr<Image>());
+               _viewer->refresh_view ();
+               return;
+       }
+
+       if (_viewer->playing() && (_viewer->time() - player_video().second) > one_video_frame()) {
+               /* Too late; just drop this frame before we try to get its image (which will be the time-consuming
+                  part if this frame is J2K).
+               */
+               add_dropped ();
+               return;
+       }
+
+       /* In an ideal world, what we would do here is:
+        *
+        * 1. convert to XYZ exactly as we do in the DCP creation path.
+        * 2. convert back to RGB for the preview display, compensating
+        *    for the monitor etc. etc.
+        *
+        * but this is inefficient if the source is RGB.  Since we don't
+        * (currently) care too much about the precise accuracy of the preview's
+        * colour mapping (and we care more about its speed) we try to short-
+        * circuit this "ideal" situation in some cases.
+        *
+        * The content's specified colour conversion indicates the colourspace
+        * which the content is in (according to the user).
+        *
+        * PlayerVideo::image (bound to PlayerVideo::force) will take the source
+        * image and convert it (from whatever the user has said it is) to RGB.
+        */
+
+       _state_timer.set ("get image");
+
+       set_image (
+               player_video().first->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true)
+               );
+
+       _state_timer.set ("ImageChanged");
+       _viewer->ImageChanged (player_video().first);
+       _state_timer.unset ();
+
+       _inter_position = player_video().first->inter_position ();
+       _inter_size = player_video().first->inter_size ();
+
+       _viewer->refresh_view ();
+
+       _viewer->closed_captions_dialog()->update (_viewer->time());
+}