Data feed and show filters

[mlt] / src / framework / mlt_tractor.c

diff --git a/src/framework/mlt_tractor.c b/src/framework/mlt_tractor.c
index 45918d50f460096ed1517659f00849488f5f4ac0..83f82f9771507dc6a1a688f9b8f34fbab47315f0 100644 (file)
--- a/src/framework/mlt_tractor.c
+++ b/src/framework/mlt_tractor.c
@@ -275,6 +275,9 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                        mlt_frame audio = NULL;
                        mlt_frame video = NULL;
 
+                       // Determine which data_queue to pass on...
+                       void *data_queue = NULL;
+
                        // Get the multitrack's producer
                        mlt_producer target = mlt_multitrack_producer( multitrack );
                        mlt_producer_seek( target, mlt_producer_frame( parent ) );
@@ -299,6 +302,10 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                                sprintf( label, "_%s_%d", id, count ++ );
                                mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
 
+                               // We want the last data_queue 
+                               if ( mlt_properties_get_data( mlt_frame_properties( temp ), "data_queue", NULL ) != NULL )
+                                       data_queue = mlt_properties_get_data( mlt_frame_properties( temp ), "data_queue", NULL );
+
                                // Pick up first video and audio frames
                                if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( mlt_frame_properties( temp ), "hide" ) & 2 ) )
                                        audio = temp;
@@ -316,6 +323,7 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
 
                        if ( video != NULL )
                        {
+                               mlt_properties_set_data( mlt_frame_properties( *frame ), "data_queue", data_queue, 0, NULL, NULL );
                                mlt_frame_push_service( *frame, video );
                                mlt_frame_push_service( *frame, producer_get_image );
                                mlt_properties_inherit( mlt_frame_properties( *frame ), mlt_frame_properties( video ) );