filter_freeze.c: update frozen frame if freeze position is changed on the fly

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

diff --git a/src/modules/kdenlive/filter_freeze.c b/src/modules/kdenlive/filter_freeze.c
index a389e01..c286499 100644 (file)
--- a/src/modules/kdenlive/filter_freeze.c
+++ b/src/modules/kdenlive/filter_freeze.c
@@ -51,7 +51,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        if (do_freeze == 1) {
                freeze_frame = mlt_properties_get_data( properties, "freeze_frame", NULL );
 
-               if( freeze_frame == NULL)
+               if( freeze_frame == NULL || mlt_properties_get_position( properties, "_frame" ) != pos )
                {
                        // freeze_frame has not been fetched yet, so fetch it and cache it.
                        mlt_producer producer = mlt_frame_get_original_producer(this);
@@ -68,6 +68,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                        mlt_properties_set_int( freeze_properties, "progressive", mlt_properties_get_int( props, "progressive" ) );
 
                        mlt_properties_set_data( properties, "freeze_frame", freeze_frame, 0, NULL, NULL );
+                       mlt_properties_set_position( properties, "_frame", pos );
                }
                int error = mlt_frame_get_image( freeze_frame, image, format, width, height, 1 );
                return error;