X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_watermark.c;h=bb9ffd889ac7924d68fbb3f8a7819d65e5ee3dc3;hb=b698c58e57643e9df6941d91b07a40c997bd7e64;hp=e1e95d62f6cf3b6f34d0915b53ddfba3069919f2;hpb=c28cf1b35d3bcb2c162eaa43833d2f437ee83579;p=mlt

diff --git a/src/modules/core/filter_watermark.c b/src/modules/core/filter_watermark.c
index e1e95d62..bb9ffd88 100644
--- a/src/modules/core/filter_watermark.c
+++ b/src/modules/core/filter_watermark.c
@@ -42,6 +42,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format
 	// Get the properties of the filter
 	mlt_properties properties = MLT_FILTER_PROPERTIES( this );
 
+	mlt_service_lock( MLT_FILTER_SERVICE( this ) );
+
 	// Get the producer from the filter
 	mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
 
@@ -115,6 +117,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format
 		mlt_properties_pass( producer_properties, properties, "producer." );
 	}
 
+	mlt_service_unlock( MLT_FILTER_SERVICE( this ) );
+
 	// Only continue if we have both producer and composite
 	if ( composite != NULL && producer != NULL )
 	{