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prevent formation of new xfades when two regions are precisely co-terminal, and invalidate existing xfades if their participants become co-terminal

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git-svn-id: svn://localhost/ardour2/branches/3.0@8605 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-01-29 01:03:05 +00:00
parent ab8116e725
commit ce03319dd1
2 changed files with 11 additions and 0 deletions
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4
libs/ardour/audio_playlist.cc
View File

@ -446,6 +446,10 @@ AudioPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
continue;
}
if (other->position() == r->position() && other->length() == r->length()) {
/* precise overlay of two regions - no xfade */
continue;
}
if (other->layer() < region->layer()) {
top = region;

7
libs/ardour/crossfade.cc
View File

@ -441,6 +441,13 @@ Crossfade::refresh ()
Invalidated (shared_from_this());
return false;
}
/* regions must cannot be identically sized and placed */
if (_in->position() == _out->position() && _in->length() == _out->length()) {
Invalidated (shared_from_this());
return false;
}
/* layer ordering cannot change */