for the Auditioner only, do not reset the buffer count for scratch buffers to the input configuration, since the input config is irrelevant (data comes only from disk, no passthru). Should fix #5427 and #5432)

1 files changed, 5 insertions, 2 deletions

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 9f933e0a4a..b75c6509a3 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -4238,8 +4238,11 @@ Route::fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pfram
 	}
 
 	/* establish the initial setup of the buffer set, reflecting what was
-	   copied into it.
+	   copied into it. unless, of course, we are the auditioner, in which
+	   case nothing was fed into it from the inputs at all.
 	*/
 
-	bufs.set_count (io->n_ports());
+	if (!is_hidden()) {
+		bufs.set_count (io->n_ports());
+	}
 }