Mixbus enforces output port count

[ardour.git] / libs / ardour / audio_diskstream.cc

diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc
index f2e4245823fdde8746fd86593e1df74cd06ce1a1..f755f15a8924622e1f9416754243b05744933fdf 100644 (file)
--- a/libs/ardour/audio_diskstream.cc
+++ b/libs/ardour/audio_diskstream.cc
@@ -2237,11 +2237,11 @@ AudioDiskstream::playback_buffer_load () const
        boost::shared_ptr<ChannelList> c = channels.reader();
 
        if (c->empty ()) {
-               return 0;
+               return 1.0;
        }
 
        return (float) ((double) c->front()->playback_buf->read_space()/
-                       (double) c->front()->playback_buf->bufsize());
+                          (double) c->front()->playback_buf->bufsize());
 }
 
 float
@@ -2250,7 +2250,7 @@ AudioDiskstream::capture_buffer_load () const
        boost::shared_ptr<ChannelList> c = channels.reader();
 
        if (c->empty ()) {
-               return 0;
+               return 1.0;
        }
 
        return (float) ((double) c->front()->capture_buf->write_space()/