virtualize audioregion, make crossfade IS-A audioregion

git-svn-id: svn://localhost/ardour2/trunk@1889 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 6 insertions, 1 deletions

diff --git a/libs/ardour/playlist.cc b/libs/ardour/playlist.cc
index 306f933f26..92e0503bb4 100644
--- a/libs/ardour/playlist.cc
+++ b/libs/ardour/playlist.cc
@@ -1598,12 +1598,17 @@ Playlist::relayer ()
 	/* we want to go through regions from desired lowest to desired highest layer,
 	   which depends on the layer model
 	*/
+
 	RegionList copy = regions;
+
+	/* sort according to the model */
+
 	if (Config->get_layer_model() == MoveAddHigher || Config->get_layer_model() == AddHigher) {
 		RegionSortByLastLayerOp cmp;
 		copy.sort (cmp);
 	}
 	
+	
 	for (RegionList::iterator i = copy.begin(); i != copy.end(); ++i) {
 
 		/* find the lowest layer that this region can go on */
@@ -1636,7 +1641,7 @@ Playlist::relayer ()
 		layers[j].push_back (*i);
 	}
 
-	/* set up the layer numbers in the regions */
+	/* first pass: set up the layer numbers in the regions */
 	for (size_t j = 0; j < layers.size(); ++j) {
 		for (RegionList::iterator i = layers[j].begin(); i != layers[j].end(); ++i) {
 			(*i)->set_layer (j);