if(last_good < 0) last_good = last_contiguous;
int start_frame = MIN(last_contiguous, last_good);
start_frame = MAX(start_frame, brender_start);
-// int64_t end_frame = Units::round(command->edl->tracks->total_video_length() *
+// int64_t end_frame = Units::round(command->edl->tracks->total_video_length() *
// command->edl->session->frame_rate);
int64_t end_frame = Units::round(command->edl->session->brender_end *
command->edl->session->frame_rate);