X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=mlt%2B%2B%2Fsrc%2FMltTractor.cpp;h=43bbceda4462bda05721b7b0751b967a97ba8a5f;hb=f4963a6aa07644399b273b5d2b1f9299c9047414;hp=d7bd8d6e332c8476a3b8f993339f26b6c2184ddc;hpb=cdf2dbd4142d046054baf2f675ff5bec30bb449a;p=melted

diff --git a/mlt++/src/MltTractor.cpp b/mlt++/src/MltTractor.cpp
index d7bd8d6..43bbced 100644
--- 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( ) :
@@ -47,11 +48,28 @@ Tractor::Tractor( mlt_tractor tractor ) :
 }
 
 Tractor::Tractor( Tractor &tractor ) :
+	Mlt::Producer( tractor ),
 	instance( tractor.get_tractor( ) )
 {
 	inc_ref( );
 }
 
+Tractor::Tractor( Profile& profile, char *id, char *resource ) :
+	instance( NULL )
+{
+	Producer producer( profile, id, resource );
+	if ( producer.is_valid( ) && producer.type( ) == tractor_type )
+	{
+		instance = ( mlt_tractor )producer.get_producer( );
+		inc_ref( );
+	}
+	else if ( producer.is_valid( ) )
+	{
+		instance = mlt_tractor_new( );
+		set_track( producer, 0 );
+	}
+}
+
 Tractor::~Tractor( )
 {
 	mlt_tractor_close( instance );
@@ -119,3 +137,23 @@ 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;
+}