X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_service.c;h=46197804ae0bc4f355740ff2d5f99d3f5f1409e4;hb=c95736fd9ee742f5e6db06bbe579f23895f55eba;hp=d8173d670d6b902c10372efee05a776c70ee8651;hpb=13a70eccf0f8b2c2b0ce1c32862c687b693710ee;p=melted

diff --git a/src/framework/mlt_service.c b/src/framework/mlt_service.c
index d8173d6..4619780 100644
--- a/src/framework/mlt_service.c
+++ b/src/framework/mlt_service.c
@@ -160,6 +160,11 @@ int mlt_service_connect_producer( mlt_service this, mlt_service producer, int in
 	// Get the service base
 	mlt_service_base *base = this->local;
 
+	// Special case 'track' index - only works for last filter(s) in a particular chain
+	// but allows a filter to apply to the output frame regardless of which track it comes from
+	if ( index == -1 )
+		index = 0;
+
 	// Check if the producer is already registered with this service
 	for ( i = 0; i < base->count; i ++ )
 		if ( base->in[ i ] == producer )
@@ -358,7 +363,6 @@ int mlt_service_get_frame( mlt_service this, mlt_frame_ptr frame, int index )
 		mlt_position in = mlt_properties_get_position( properties, "in" );
 		mlt_position out = mlt_properties_get_position( properties, "out" );
 		mlt_properties_inc_ref( properties );
-		mlt_service_unlock( this );
 		result = this->get_frame( this, frame, index );
 		if ( result == 0 )
 		{
@@ -370,9 +374,11 @@ int mlt_service_get_frame( mlt_service this, mlt_frame_ptr frame, int index )
 			}
 			mlt_service_apply_filters( this, *frame, 1 );
 			mlt_deque_push_back( MLT_FRAME_SERVICE_STACK( *frame ), this );
+			mlt_service_unlock( this );
 		}
 		else
 		{
+			mlt_service_unlock( this );
 			mlt_service_close( this );
 		}
 		return result;