int w = mwindow->edl->session->output_w;
int h = mwindow->edl->session->output_h;
VFrame *vframe = new VFrame(w, h, BC_RGB888);
int w = mwindow->edl->session->output_w;
int h = mwindow->edl->session->output_h;
VFrame *vframe = new VFrame(w, h, BC_RGB888);