X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_playlist.c;h=27c44435271f1423ac1adc68c930057d5c86fdb7;hb=cb4fe9e9f9f279dce4ed45467cdc5c6c62970605;hp=0847f393768b5ee58638ebd79ff9eb312345514b;hpb=407f72e8c783f126b60fcfc53f0a790f3aaee636;p=melted

diff --git a/src/framework/mlt_playlist.c b/src/framework/mlt_playlist.c
index 0847f39..27c4443 100644
--- a/src/framework/mlt_playlist.c
+++ b/src/framework/mlt_playlist.c
@@ -593,7 +593,10 @@ int mlt_playlist_append_io( mlt_playlist this, mlt_producer producer, mlt_positi
 int mlt_playlist_blank( mlt_playlist this, mlt_position length )
 {
 	// Append to the virtual list
-	return mlt_playlist_virtual_append( this, &this->blank, 0, length );
+	if (length >= 0) 
+		return mlt_playlist_virtual_append( this, &this->blank, 0, length );
+	else 
+		return 1;
 }
 
 /** Insert a producer into the playlist.