X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fexport_channel.cc;h=93621717381ca19c2c4ea4a7d95761aa47dd75d7;hb=d2fa2450aa287b45d9b58c5ba3cb54544891cdb2;hp=296bfc9022493ada07e2d2a03e41de1fc9c8e59c;hpb=1745340c67d66d8dd92e5b3a377e935ed5eea973;p=ardour.git

diff --git a/libs/ardour/export_channel.cc b/libs/ardour/export_channel.cc
index 296bfc9022..9362171738 100644
--- a/libs/ardour/export_channel.cc
+++ b/libs/ardour/export_channel.cc
@@ -187,11 +187,12 @@ RegionExportChannelFactory::update_buffers (framecnt_t frames)
 		assert (mixdown_buffer && gain_buffer);
 		for (size_t channel = 0; channel < n_channels; ++channel) {
 			memset (mixdown_buffer.get(), 0, sizeof (Sample) * frames);
+			buffers.get_audio (channel).silence(frames);
 			region.read_at (buffers.get_audio (channel).data(), mixdown_buffer.get(), gain_buffer.get(), position, frames, channel);
 		}
 		break;
 	case Processed:
-		track.export_stuff (buffers, position, frames, track.main_outs(), true, true);
+		track.export_stuff (buffers, position, frames, track.main_outs(), true, true, false);
 		break;
 	default:
 		throw ExportFailed ("Unhandled type in ExportChannelFactory::update_buffers");
@@ -242,7 +243,7 @@ RouteExportChannel::read (Sample const *& data, framecnt_t frames) const
 #ifndef NDEBUG
 	(void) frames;
 #else
-	assert (frames <= (framecnt_t) buffer.size());
+	assert (frames <= (framecnt_t) buffer.capacity());
 #endif
 	data = buffer.data();
 }