Simplified playlist and track access

[melted] / mlt++ / src / MltTractor.cpp

diff --git a/mlt++/src/MltTractor.cpp b/mlt++/src/MltTractor.cpp
index 8187a28..19c8a24 100644 (file)
--- a/mlt++/src/MltTractor.cpp
+++ b/mlt++/src/MltTractor.cpp
@@ -87,5 +87,11 @@ int Tractor::set_track( Producer &producer, int index )
 
 Producer *Tractor::track( int index )
 {
-       return new Producer( mlt_tractor_get_track( get_tractor( ), index ) );
+       mlt_producer producer = mlt_tractor_get_track( get_tractor( ), index );
+       return producer != NULL ? new Producer( producer ) : NULL;
+}
+
+int Tractor::count( )
+{
+       return mlt_multitrack_count( mlt_tractor_multitrack( get_tractor( ) ) );
 }