X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudio_port.cc;h=ae64d797c9da5268d1a3c0b16e5f1b4697bfc8be;hb=ecae912da9f6805d4939e657e3a591f79b0ae542;hp=e01f4a89e6b58ef2a88ba22d959ac7442ff4d590;hpb=d155f32039570e9e0cde11b42e395ca2bcc89ffd;p=ardour.git

diff --git a/libs/ardour/audio_port.cc b/libs/ardour/audio_port.cc
index e01f4a89e6..ae64d797c9 100644
--- a/libs/ardour/audio_port.cc
+++ b/libs/ardour/audio_port.cc
@@ -53,13 +53,15 @@ AudioPort::cycle_start (pframes_t nframes)
 }
 
 void
-AudioPort::cycle_end (pframes_t nframes)
+AudioPort::cycle_end (pframes_t)
 {
         if (sends_output() && !_buffer->written()) {
-                /* we can't use nframes here because the current buffer capacity may 
+                /* we can't use nframes here because the current buffer capacity may
                    be shorter than the full buffer size if we split the cycle.
                 */
-		_buffer->silence (_buffer->capacity());
+		if (_buffer->capacity () > 0) {
+			_buffer->silence (_buffer->capacity());
+		}
 	}
 }
 
@@ -72,14 +74,10 @@ AudioBuffer&
 AudioPort::get_audio_buffer (pframes_t nframes)
 {
 	/* caller must hold process lock */
-       _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, _cycle_nframes) + 
+       _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, _cycle_nframes) +
                           _global_port_buffer_offset + _port_buffer_offset, nframes);
 	return *_buffer;
 }
 
-size_t
-AudioPort::raw_buffer_size (pframes_t nframes) const
-{
-	return nframes * sizeof (Sample);
-}
+