Move _state_timer into VideoView.
[dcpomatic.git] / src / wx / simple_video_view.cc
index 3cc1462..437aed4 100644 (file)
 
 */
 
-SimpleVideoView::SimpleVideoView (wxWindow* parent)
+#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)
+       : VideoView (viewer)
 {
        _panel = new wxPanel (parent);
 
@@ -30,40 +48,51 @@ SimpleVideoView::SimpleVideoView (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 (_background_image) {
+       if (_viewer->background_image()) {
                dc.Clear ();
-               maybe_draw_background_image (dc);
-               _state_timer.unset ();
+               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
 
-       if (!_out_size.width || !_out_size.height || !_film || !_frame || _out_size != _frame->size()) {
+       if (!out_size.width || !out_size.height || !_image || out_size != _image->size()) {
                dc.Clear ();
        } else {
 
-               wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true);
+               wxImage frame (out_size.width, out_size.height, _image->data()[0], true);
                wxBitmap frame_bitmap (frame);
-               dc.DrawBitmap (frame_bitmap, 0, max(0, (_panel_size.height - _out_size.height) / 2));
+               dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
 
 #ifdef DCPOMATIC_VARIANT_SWAROOP
                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();
@@ -76,29 +105,154 @@ SimpleVideoView::paint ()
 #endif
        }
 
-       if (_out_size.width < _panel_size.width) {
+       if (out_size.width < panel_size.GetWidth()) {
                /* XXX: these colours are right for GNOME; may need adjusting for other OS */
-               wxPen   p (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
-               wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+               wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+               wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
                dc.SetPen (p);
                dc.SetBrush (b);
-               dc.DrawRectangle (_out_size.width, 0, _panel_size.width - _out_size.width, _panel_size.height);
+               dc.DrawRectangle (out_size.width, 0, panel_size.GetWidth() - out_size.width, panel_size.GetHeight());
        }
 
-       if (_out_size.height < _panel_size.height) {
-               wxPen   p (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
-               wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+       if (out_size.height < panel_size.GetHeight()) {
+               wxPen   p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
+               wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
                dc.SetPen (p);
                dc.SetBrush (b);
-               int const gap = (_panel_size.height - _out_size.height) / 2;
-               dc.DrawRectangle (0, 0, _panel_size.width, gap);
-               dc.DrawRectangle (0, gap + _out_size.height + 1, _panel_size.width, gap + 1);
+               int const gap = (panel_size.GetHeight() - out_size.height) / 2;
+               dc.DrawRectangle (0, 0, panel_size.GetWidth(), gap);
+               dc.DrawRectangle (0, gap + out_size.height + 1, panel_size.GetWidth(), gap + 1);
        }
 
-       if (_outline_content) {
+       if (_viewer->outline_content()) {
                wxPen p (wxColour (255, 0, 0), 2);
                dc.SetPen (p);
                dc.SetBrush (*wxTRANSPARENT_BRUSH);
-               dc.DrawRectangle (_inter_position.x, _inter_position.y + (_panel_size.height - _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());
 }