- shared_ptr<dcp::GammaLUT> in_lut = dcp::GammaLUT::cache.get (
- 12, _frame->colour_conversion().input_gamma, _frame->colour_conversion().input_gamma_linearised
- );
-
- /* XXX: libdcp should probably use boost */
-
- double matrix[3][3];
- for (int i = 0; i < 3; ++i) {
- for (int j = 0; j < 3; ++j) {
- matrix[i][j] = _frame->colour_conversion().matrix (i, j);
- }
- }
-
- shared_ptr<dcp::XYZFrame> xyz = dcp::rgb_to_xyz (
- _frame->image (_burn_subtitles),
- in_lut,
- dcp::GammaLUT::cache.get (16, 1 / _frame->colour_conversion().output_gamma, false),
- matrix
- );