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csputils: fix outdated comment 

This no longer hard-codes BT.709, it converts to whatever primaries are
tagged in the same metadata struct. The actual BT.709 defaulting comes
from `mp_image_params_guess_csp`.
This commit is contained in:
Niklas Haas 2019-10-20 16:00:32 +02:00
parent d9eac493b5
commit ac906fb288
1 changed files with 4 additions and 2 deletions
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6
video/csputils.c
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@ -711,8 +711,10 @@ void mp_get_csp_matrix(struct mp_csp_params *params, struct mp_cmat *m)
}
case MP_CSP_XYZ: {
// The vo should probably not be using a matrix generated by this
// function for XYZ sources, but if it does, let's just assume it
// wants BT.709 with D65 white point (virtually all other content).
// function for XYZ sources, but if it does, let's just convert it to
// an equivalent RGB space based on the colorimetry metadata it
// provided in mp_csp_params. (At the risk of clipping, if the
// chosen primaries are too small to fit the actual data)
mp_get_xyz2rgb_coeffs(params, MP_INTENT_RELATIVE_COLORIMETRIC, m);
levels_in = -1;
break;