Add service locks for parallelism.

[mlt] / src / modules / kdenlive / filter_freeze.c

diff --git a/src/modules/kdenlive/filter_freeze.c b/src/modules/kdenlive/filter_freeze.c
index 3198ff318805ba782c08918fd852491f66664876..c4768e27e074d2df89059b40996a61979debfe38 100755 (executable)
--- a/src/modules/kdenlive/filter_freeze.c
+++ b/src/modules/kdenlive/filter_freeze.c
@@ -50,6 +50,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        }
 
        if (do_freeze == 1) {
+               mlt_service_lock( MLT_FILTER_SERVICE( filter ) );
                freeze_frame = mlt_properties_get_data( properties, "freeze_frame", NULL );
                if ( freeze_frame == NULL || mlt_properties_get_position( properties, "_frame" ) != pos )
                {
@@ -99,6 +100,8 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                memcpy( image_copy, buffer, size );
                *image = image_copy;
                mlt_properties_set_data( props, "image", *image, size, ( mlt_destructor ) mlt_pool_release, NULL );
+               mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
+
                return error;
        }