From e94c6239d1a88c5a6d2b6eef7fb0f5fc28cb8777 Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Tue, 17 Feb 2015 20:03:30 +0000 Subject: Use 2.222222 for the power in the modified Rec. 709 input gamma correction, as per fnordware DCIconverter. --- src/colour_conversion.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/colour_conversion.cc b/src/colour_conversion.cc index 17955915..39799927 100644 --- a/src/colour_conversion.cc +++ b/src/colour_conversion.cc @@ -51,7 +51,7 @@ ColourConversion const & ColourConversion::rec709_to_xyz () { static ColourConversion* c = new ColourConversion ( - shared_ptr (new ModifiedGammaTransferFunction (false, 2.4, 0.081, 0.099, 4.5)), + shared_ptr (new ModifiedGammaTransferFunction (false, 1 / 0.45, 0.081, 0.099, 4.5)), dcp::colour_matrix::rgb_to_xyz, shared_ptr (new GammaTransferFunction (true, 2.6)) ); -- cgit v1.2.3