Hacky fix for black borders round image view.

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

diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc
index cc2f67b15c06216584b9ce82fff0b47d7d8ff2d6..a4a293918df44cedec1b4c5ddc0a4f3ab5587d07 100644 (file)
--- a/src/wx/film_viewer.cc
+++ b/src/wx/film_viewer.cc
@@ -36,6 +36,7 @@
 #include "lib/player.h"
 #include "lib/video_content.h"
 #include "lib/video_decoder.h"
+#include "lib/timer.h"
 #include "film_viewer.h"
 #include "wx_util.h"
 
@@ -128,6 +129,7 @@ FilmViewer::set_film (shared_ptr<Film> f)
 
        _player = f->make_player ();
        _player->disable_audio ();
+       _player->set_approximate_size ();
        _player->Video.connect (boost::bind (&FilmViewer::process_video, this, _1, _2, _5));
        _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1));
 
@@ -211,8 +213,14 @@ void
 FilmViewer::slider_moved ()
 {
        if (_film && _player) {
-               _player->seek (_slider->GetValue() * _film->length() / 4096, false);
-               fetch_next_frame ();
+               try {
+                       _player->seek (_slider->GetValue() * _film->length() / 4096, false);
+                       fetch_next_frame ();
+               } catch (OpenFileError& e) {
+                       /* There was a problem opening a content file; we'll let this slide as it
+                          probably means a missing content file, which we're already taking care of.
+                       */
+               }
        }
 }
 
@@ -251,6 +259,13 @@ FilmViewer::calculate_sizes ()
        _out_size.width = max (64, _out_size.width);
        _out_size.height = max (64, _out_size.height);
 
+       /* The player will round its image down to the nearest 4 pixels
+          to speed up its scale, so do similar here to avoid black borders
+          around things.  This is a bit of a hack.
+       */
+       _out_size.width &= ~3;
+       _out_size.height &= ~3;
+
        _player->set_video_container_size (_out_size);
 }
 
@@ -280,8 +295,12 @@ FilmViewer::process_video (shared_ptr<PlayerImage> image, Eyes eyes, DCPTime t)
        if (eyes == EYES_RIGHT) {
                return;
        }
-       
-       _frame = image->image ();
+
+       /* Going via BGRA here makes the scaler faster then using RGB24 directly (about
+          twice on x86 Linux).
+       */
+       shared_ptr<Image> im = image->image (PIX_FMT_BGRA, true);
+       _frame = im->scale (im->size(), Scaler::from_id ("fastbilinear"), PIX_FMT_RGB24, false);
        _got_frame = true;
 
        set_position_text (t);
@@ -376,8 +395,14 @@ FilmViewer::back_clicked ()
                p = 0;
        }
        
-       _player->seek (p, true);
-       fetch_next_frame ();
+       try {
+               _player->seek (p, true);
+               fetch_next_frame ();
+       } catch (OpenFileError& e) {
+               /* There was a problem opening a content file; we'll let this slide as it
+                  probably means a missing content file, which we're already taking care of.
+               */
+       }
 }
 
 void