Ref count and event firing method on properties; locate_cut on tractor

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

diff --git a/mlt++/src/MltTractor.cpp b/mlt++/src/MltTractor.cpp
index d7bd8d6..461b33d 100644 (file)
--- a/mlt++/src/MltTractor.cpp
+++ b/mlt++/src/MltTractor.cpp
@@ -23,6 +23,7 @@
 #include "MltField.h"
 #include "MltTransition.h"
 #include "MltFilter.h"
+#include "MltPlaylist.h"
 using namespace Mlt;
 
 Tractor::Tractor( ) :
@@ -119,3 +120,23 @@ void Tractor::plant_filter( Filter *filter, int track )
        mlt_field_plant_filter( mlt_tractor_field( get_tractor( ) ), filter->get_filter( ), track );
 }
 
+bool Tractor::locate_cut( Producer *producer, int &track, int &cut )
+{
+       bool found = false;
+
+       for ( track = 0; producer != NULL && !found && track < count( ); track ++ )
+       {
+               Playlist playlist( ( mlt_playlist )mlt_tractor_get_track( get_tractor( ), track ) );
+               for ( cut = 0; !found && cut < playlist.count( ); cut ++ )
+               {
+                       Producer *clip = playlist.get_clip( cut );
+                       found = producer->get_producer( ) == clip->get_producer( );
+                       delete clip;
+               }
+       }
+
+       track --;
+       cut --;
+
+       return found;
+}