one more send zipper fix

git-svn-id: svn://localhost/trunk/ardour2@325 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc
index dff0990f1a2313c2a061f0522fa463da0098c72d..91cbb1cb67e1cf90923c4d8581bcfd7e8c72dbd6 100644 (file)
--- a/libs/ardour/io.cc
+++ b/libs/ardour/io.cc
@@ -368,7 +368,7 @@ IO::deliver_output (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nfram
                return;
        }
        
-       if (_panner->bypassed()) {
+       if (_panner->bypassed() || _panner->empty()) {
                deliver_output_no_pan (bufs, nbufs, nframes, offset);
                return;
        }