Add service locks for parallelism.

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

diff --git a/src/modules/kdenlive/producer_framebuffer.c b/src/modules/kdenlive/producer_framebuffer.c
index 8e436125f9e2ab23a97c9342bc070aaf071181ea..64c9ce07ae2628f9ad49b0cac5b26cd314dcd3dc 100644 (file)
--- a/src/modules/kdenlive/producer_framebuffer.c
+++ b/src/modules/kdenlive/producer_framebuffer.c
@@ -41,6 +41,8 @@ static int framebuffer_get_image( mlt_frame this, uint8_t **image, mlt_image_for
        int index = ( int )mlt_frame_pop_service( this );
        mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
 
+       mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
+
        // Frame properties objects
        mlt_properties frame_properties = MLT_FRAME_PROPERTIES( this );
        mlt_frame first_frame = mlt_properties_get_data( properties, "first_frame", NULL );
@@ -179,6 +181,7 @@ static int framebuffer_get_image( mlt_frame this, uint8_t **image, mlt_image_for
                mlt_properties_set_int( properties, "_output_format", *format );
        
        }
+       mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
 
        // Create a copy
        uint8_t *image_copy = mlt_pool_alloc( size );