Add service locks for parallelism.

[mlt] / src / modules / gtk2 / producer_pixbuf.c

diff --git a/src/modules/gtk2/producer_pixbuf.c b/src/modules/gtk2/producer_pixbuf.c
index 6fd127d6fe6f211c4017081f02ff98367cb70000..ab4aa66c0e9178ff1cec1a8522b7d3752fd989ae 100644 (file)
--- a/src/modules/gtk2/producer_pixbuf.c
+++ b/src/modules/gtk2/producer_pixbuf.c
@@ -461,6 +461,8 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        *width = mlt_properties_get_int( properties, "rescale_width" );
        *height = mlt_properties_get_int( properties, "rescale_height" );
 
+       mlt_service_lock( MLT_PRODUCER_SERVICE( &this->parent ) );
+
        // Refresh the image
        refresh_image( this, frame, *width, *height );
 
@@ -492,6 +494,7 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        // Release references and locks
        pthread_mutex_unlock( &this->mutex );
        mlt_cache_item_close( this->image_cache );
+       mlt_service_unlock( MLT_PRODUCER_SERVICE( &this->parent ) );
 
        return error;
 }