Move _state_timer into VideoView.
[dcpomatic.git] / src / wx / simple_video_view.cc
index 6435e02..437aed4 100644 (file)
 
 #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"
 #include <dcp/util.h>
 #include <wx/wx.h>
 #include <boost/bind.hpp>
 
 using std::max;
+using std::string;
+using boost::optional;
+using boost::shared_ptr;
+using namespace dcpomatic;
 
 SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
-       : _viewer (viewer)
+       : VideoView (viewer)
 {
        _panel = new wxPanel (parent);
 
@@ -40,24 +48,33 @@ SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
        _panel->SetBackgroundColour (*wxBLACK);
 
        _panel->Bind (wxEVT_PAINT, boost::bind (&SimpleVideoView::paint, this));
+       _panel->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
+
+       _timer.Bind (wxEVT_TIMER, boost::bind(&SimpleVideoView::timer, this));
 }
 
 void
 SimpleVideoView::paint ()
 {
+        _state_timer.set("paint-panel");
        wxPaintDC dc (_panel);
 
+       dcp::Size const out_size = _viewer->out_size ();
+       wxSize const panel_size = _panel->GetSize ();
+
 #ifdef DCPOMATIC_VARIANT_SWAROOP
-       if (viewer->background_image()) {
+       if (_viewer->background_image()) {
                dc.Clear ();
-               maybe_draw_background_image (dc);
+               optional<boost::filesystem::path> bg = Config::instance()->player_background_image();
+               if (bg) {
+                       wxImage image (std_to_wx(bg->string()));
+                       wxBitmap bitmap (image);
+                       dc.DrawBitmap (bitmap, max(0, (panel_size.GetWidth() - image.GetSize().GetWidth()) / 2), max(0, (panel_size.GetHeight() - image.GetSize().GetHeight()) / 2));
+               }
                return;
        }
 #endif
 
-       dcp::Size const out_size = _viewer->out_size ();
-       wxSize const panel_size = _panel->GetSize ();
-
        if (!out_size.width || !out_size.height || !_image || out_size != _image->size()) {
                dc.Clear ();
        } else {
@@ -67,16 +84,15 @@ SimpleVideoView::paint ()
                dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
 
 #ifdef DCPOMATIC_VARIANT_SWAROOP
-               XXX
                DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
-               int64_t n = _video_position.get() / period.get();
+               int64_t n = _viewer->position().get() / period.get();
                DCPTime from(n * period.get());
                DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
-               if (from <= _video_position && _video_position <= to) {
+               if (from <= _viewer->position() && _viewer->position() <= to) {
                        if (!_in_watermark) {
                                _in_watermark = true;
-                               _watermark_x = rand() % _panel_size.width;
-                               _watermark_y = rand() % _panel_size.height;
+                               _watermark_x = rand() % panel_size.GetWidth();
+                               _watermark_y = rand() % panel_size.GetHeight();
                        }
                        dc.SetTextForeground(*wxWHITE);
                        string wm = Config::instance()->player_watermark_theatre();
@@ -109,11 +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);
+       }
+        _state_timer.unset();
+}
+
+void
+SimpleVideoView::update ()
+{
+       _state_timer.set ("update-view");
+       _panel->Refresh ();
+       _panel->Update ();
+       _state_timer.unset ();
+}
+
+void
+SimpleVideoView::timer ()
+{
+       if (!_viewer->playing()) {
+               return;
+       }
+
+       display_next_frame (false);
+       DCPTime const next = _viewer->position() + _viewer->one_video_frame();
+
+       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 (time_until_next_frame(), wxTIMER_ONE_SHOT);
+
+       if (_viewer->butler()) {
+               _viewer->butler()->rethrow ();
        }
 }
+
+void
+SimpleVideoView::start ()
+{
+       VideoView::start ();
+       timer ();
+}
+
+/** Try to get a frame from the butler and display it.
+ *  @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::display_next_frame (bool non_blocking)
+{
+       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;
+               }
+       }
+
+       display_player_video ();
+
+       try {
+               _viewer->butler()->rethrow ();
+       } catch (DecodeError& e) {
+               error_dialog (get(), e.what());
+       }
+
+       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());
+}