X-Git-Url: https://main.carlh.net/gitweb/?p=ardour.git;a=blobdiff_plain;f=libs%2Fardour%2Faudio_port.cc;h=33e41c10ad49cc309615af9d4778e0d5d426b610;hp=2fecbf9392c1f5b9600da044f0678c9315164d0d;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hpb=316973d7c7bc99bfef6367d42009883d0de2abbd

diff --git a/libs/ardour/audio_port.cc b/libs/ardour/audio_port.cc
index 2fecbf9392..33e41c10ad 100644
--- a/libs/ardour/audio_port.cc
+++ b/libs/ardour/audio_port.cc
@@ -59,8 +59,11 @@ void
 AudioPort::cycle_end (pframes_t nframes)
 {
         if (sends_output() && !_buffer->written()) {
-		if (_buffer->capacity() >= nframes) {
-			_buffer->silence (nframes);
+	        if (!_buffer->data (0)) {
+		        get_audio_buffer (nframes);
+	        }
+	        if (_buffer->capacity() >= nframes) {
+		        _buffer->silence (nframes);
 		}
 	}
 }
@@ -79,7 +82,7 @@ AudioPort::get_audio_buffer (pframes_t nframes)
 	return *_buffer;
 }
 
-Sample* 
+Sample*
 AudioPort::engine_get_whole_audio_buffer ()
 {
 	/* caller must hold process lock */