From: lilo_booter <lilo_booter@d19143bc-622f-0410-bfdd-b5b2a6649095>
Date: Mon, 31 Jan 2005 14:16:03 +0000 (+0000)
Subject: Wild card filter tracks
X-Git-Url: http://research.m1stereo.tv/gitweb?a=commitdiff_plain;h=fab74b3d7391168c82a3b0408288a3ae82242ff4;hp=48792e5e48a10b3e8041d09638d50023e0cb9305;p=melted

Wild card filter tracks


git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@636 d19143bc-622f-0410-bfdd-b5b2a6649095
---

diff --git a/src/framework/mlt_filter.c b/src/framework/mlt_filter.c
index 9472cc3..6ca7afb 100644
--- a/src/framework/mlt_filter.c
+++ b/src/framework/mlt_filter.c
@@ -169,7 +169,7 @@ static int filter_get_frame( mlt_service service, mlt_frame_ptr frame, int index
 	mlt_service producer = mlt_service_producer( &this->parent );
 
 	// If the frame request is for this filters track, we need to process it
-	if ( index == track )
+	if ( index == track || track == -1 )
 	{
 		int ret = mlt_service_get_frame( producer, frame, index );
 		if ( ret == 0 )
diff --git a/src/framework/mlt_service.c b/src/framework/mlt_service.c
index a5e6df9..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 )