X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Fwx%2Fvideo_view.cc;h=4edc2cd23a28cf0f3b943fe3a9d6cb409fecd973;hp=5dd857fabc4a4089f8aa4ea08a98e09aeb55ba99;hb=89e92b3e7effafd2ca3aa1e9300777f2d2fb6183;hpb=b3b371294ed5e6cc18ef64ba1b06ca76726b903a

diff --git a/src/wx/video_view.cc b/src/wx/video_view.cc
index 5dd857fab..4edc2cd23 100644
--- a/src/wx/video_view.cc
+++ b/src/wx/video_view.cc
@@ -22,6 +22,10 @@
 #include "wx_util.h"
 #include "film_viewer.h"
 #include "lib/butler.h"
+#include <boost/optional.hpp>
+
+using boost::shared_ptr;
+using boost::optional;
 
 VideoView::VideoView (FilmViewer* viewer)
 	: _viewer (viewer)
@@ -31,6 +35,7 @@ VideoView::VideoView (FilmViewer* viewer)
 	, _state_timer ("viewer")
 	, _video_frame_rate (0)
 	, _eyes (EYES_LEFT)
+	, _three_d (false)
 	, _dropped (0)
 	, _gets (0)
 {
@@ -45,30 +50,34 @@ VideoView::clear ()
 	_player_video.second = dcpomatic::DCPTime ();
 }
 
-/** @param non_blocking true to return false quickly if no video is available quickly.
+/** Could be called from any thread.
+ *  @param non_blocking true to return false quickly if no video is available quickly.
  *  @return false if we gave up because it would take too long, otherwise true.
  */
 bool
 VideoView::get_next_frame (bool non_blocking)
 {
-	if (_length == dcpomatic::DCPTime()) {
+	if (length() == dcpomatic::DCPTime()) {
 		return true;
 	}
 
-	DCPOMATIC_ASSERT (_viewer->butler());
+	shared_ptr<Butler> butler = _viewer->butler ();
+	if (!butler) {
+		return false;
+	}
 	add_get ();
 
 	boost::mutex::scoped_lock lm (_mutex);
 
 	do {
 		Butler::Error e;
-		_player_video = _viewer->butler()->get_video (!non_blocking, &e);
+		_player_video = butler->get_video (!non_blocking, &e);
 		if (!_player_video.first && e == Butler::AGAIN) {
 			return false;
 		}
 	} while (
 		_player_video.first &&
-		_viewer->film()->three_d() &&
+		_three_d &&
 		_eyes != _player_video.first->eyes() &&
 		_player_video.first->eyes() != EYES_BOTH
 		);
@@ -82,13 +91,13 @@ VideoView::one_video_frame () const
 	return dcpomatic::DCPTime::from_frames (1, video_frame_rate());
 }
 
-/** @return Time in ms until the next frame is due */
-int
+/** @return Time in ms until the next frame is due, or empty if nothing is due */
+optional<int>
 VideoView::time_until_next_frame () const
 {
 	if (length() == dcpomatic::DCPTime()) {
 		/* There's no content, so this doesn't matter */
-		return 0;
+		return optional<int>();
 	}
 
 	dcpomatic::DCPTime const next = position() + one_video_frame();
@@ -105,3 +114,20 @@ VideoView::start ()
 	boost::mutex::scoped_lock lm (_mutex);
 	_dropped = 0;
 }
+
+bool
+VideoView::refresh_metadata (shared_ptr<const Film> film, dcp::Size video_container_size, dcp::Size film_frame_size)
+{
+	boost::mutex::scoped_lock lm (_mutex);
+	if (!_player_video.first) {
+		return false;
+	}
+
+	if (!_player_video.first->reset_metadata (film, video_container_size, film_frame_size)) {
+		return false;
+	}
+
+	update ();
+	return true;
+}
+