int rsz = 0, n = 0, dz = 0;
int ow = edl->session->output_w, oh = edl->session->output_h;
for( int i=0; i<zwindows.size(); ++i ) {
int rsz = 0, n = 0, dz = 0;
int ow = edl->session->output_w, oh = edl->session->output_h;
for( int i=0; i<zwindows.size(); ++i ) {