subtitleRows

Applies only when the input captions are Teletext and the output captions are DVB-Sub or Burn-In. Choose the number of lines for the captions bitmap. The captions bitmap is 700 wide × 576 high and will be laid over the video. For example, a value of 16 divides the bitmap into 16 lines, with each line 36 pixels high (16 × 36 = 576). The default is 24 (24 pixels high). Enter the same number in every encode in every output that converts the same Teletext source to DVB-Sub or Burn-in.