get_frame and ruby listen fix

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

diff --git a/mlt++/src/MltService.cpp b/mlt++/src/MltService.cpp
index c7b11d5..b20b6b1 100644 (file)
--- a/mlt++/src/MltService.cpp
+++ b/mlt++/src/MltService.cpp
@@ -18,7 +18,9 @@
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include <string.h>
 #include "MltService.h"
+#include "MltFilter.h"
 using namespace Mlt;
 
 Service::Service( ) :
@@ -75,6 +77,57 @@ Frame *Service::get_frame( int index )
 {
        mlt_frame frame = NULL;
        mlt_service_get_frame( get_service( ), &frame, index );
-       return new Frame( frame );
+       Frame *result = new Frame( frame );
+       mlt_frame_close( frame );
+       return result;
+}
+
+service_type Service::type( )
+{
+       service_type type = invalid_type;
+       if ( is_valid( ) )
+       {
+               char *mlt_type = get( "mlt_type" );
+               char *resource = get( "resource" );
+               if ( mlt_type == NULL )
+                       type = unknown_type;
+               else if ( !strcmp( mlt_type, "producer" ) )
+                       type = producer_type;
+               else if ( !strcmp( mlt_type, "mlt_producer" ) )
+               {
+                       if ( resource == NULL )
+                               type = producer_type;
+                       else if ( !strcmp( resource, "<playlist>" ) )
+                               type = playlist_type;
+                       else if ( !strcmp( resource, "<tractor>" ) )
+                               type = tractor_type;
+                       else if ( !strcmp( resource, "<multitrack>" ) )
+                               type = multitrack_type;
+               }
+               else if ( !strcmp( mlt_type, "filter" ) )
+                       type = filter_type;
+               else if ( !strcmp( mlt_type, "transition" ) )
+                       type = transition_type;
+               else if ( !strcmp( mlt_type, "consumer" ) )
+                       type = consumer_type;
+               else
+                       type = unknown_type;
+       }
+       return type;
+}
+
+int Service::attach( Filter &filter )
+{
+       return mlt_service_attach( get_service( ), filter.get_filter( ) );
+}
+
+int Service::detach( Filter &filter )
+{
+       return mlt_service_detach( get_service( ), filter.get_filter( ) );
+}
+
+Filter *Service::filter( int index )
+{
+       return new Filter( mlt_service_filter( get_service( ), index ) );
 }