if( seq_no >= images.size() ) {
MWindow *mwindow = picon->mwindow;
File *file = mwindow->video_cache->check_out(asset, mwindow->edl, 1);
if( seq_no >= images.size() ) {
MWindow *mwindow = picon->mwindow;
File *file = mwindow->video_cache->check_out(asset, mwindow->edl, 1);