+ sub->pts = av_rescale_q(ctx->start_time, avctx->time_base, AV_TIME_BASE_Q);
+ if (!ctx->real_time)
+ sub->end_display_time = av_rescale_q(ctx->end_time - ctx->start_time,
+ avctx->time_base, av_make_q(1, 1000));
+ else
+ sub->end_display_time = -1;