- /** y offset for placing subtitles, in source pixels; +ve is further down
- the frame, -ve is further up.
- */
- int _subtitle_offset;
- /** scale factor to apply to subtitles */
- float _subtitle_scale;
- /** index of colour LUT to use when converting RGB to XYZ.
- * 0: sRGB
- * 1: Rec 709
- */
- int _colour_lut;