Add bounding geometry property to motion_est filter.

Based on patch by j-b-m.

diff --git a/src/modules/motion_est/filter_motion_est.c b/src/modules/motion_est/filter_motion_est.c
index d2dff28402960da64f61e99e35495ee8accf21ed..a74bec749f16168102743ff89ed32649fe32bff9 100644 (file)
--- a/src/modules/motion_est/filter_motion_est.c
+++ b/src/modules/motion_est/filter_motion_est.c
@@ -891,6 +891,23 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format
        /* Check to see if somebody else has given us bounds */
        struct mlt_geometry_item_s *bounds = mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "bounds", NULL );
 
+       if ( !bounds )
+       {
+               char *property = mlt_properties_get( MLT_FILTER_PROPERTIES( filter ), "bounding" );
+               if ( property )
+               {
+                       mlt_geometry geometry = mlt_geometry_init( );
+                       mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE(filter) );
+                       mlt_geometry_parse( geometry, property, 0, profile->width, profile->height );
+                       if ( geometry )
+                       {
+                               bounds = calloc( 1, sizeof(*bounds) );
+                               mlt_properties_set_data( MLT_FILTER_PROPERTIES(filter), "bounds", bounds, sizeof(*bounds), free, NULL );
+                               mlt_geometry_fetch( geometry, bounds, 0 );
+                       }
+               }
+       }
+
        if( bounds != NULL ) {
                // translate pixel units (from bounds) to macroblock units
                // make sure whole macroblock stays within bounds