#include "util.h"
using namespace Eigen;
+using namespace std;
+
+namespace movit {
// Color coordinates from Rec. 709; sRGB uses the same primaries.
static const double rec709_x_R = 0.640, rec709_x_G = 0.300, rec709_x_B = 0.150;
static const double rec601_625_x_R = 0.640, rec601_625_x_G = 0.290, rec601_625_x_B = 0.150;
static const double rec601_625_y_R = 0.330, rec601_625_y_G = 0.600, rec601_625_y_B = 0.060;
+// Color coordinates from Rec. 2020.
+static const double rec2020_x_R = 0.708, rec2020_x_G = 0.170, rec2020_x_B = 0.131;
+static const double rec2020_y_R = 0.292, rec2020_y_G = 0.797, rec2020_y_B = 0.046;
+
ColorspaceConversionEffect::ColorspaceConversionEffect()
: source_space(COLORSPACE_sRGB),
destination_space(COLORSPACE_sRGB)
register_int("destination_space", (int *)&destination_space);
}
-Matrix3d get_xyz_matrix(Colorspace space)
+Matrix3d ColorspaceConversionEffect::get_xyz_matrix(Colorspace space)
{
if (space == COLORSPACE_XYZ) {
return Matrix3d::Identity();
x_R = rec601_625_x_R; x_G = rec601_625_x_G; x_B = rec601_625_x_B;
y_R = rec601_625_y_R; y_G = rec601_625_y_G; y_B = rec601_625_y_B;
break;
+ case COLORSPACE_REC_2020:
+ x_R = rec2020_x_R; x_G = rec2020_x_G; x_B = rec2020_x_B;
+ y_R = rec2020_y_R; y_G = rec2020_y_G; y_B = rec2020_y_B;
+ break;
default:
assert(false);
}
return m;
}
-std::string ColorspaceConversionEffect::output_fragment_shader()
+string ColorspaceConversionEffect::output_fragment_shader()
{
// Create a matrix to convert from source space -> XYZ,
// another matrix to convert from XYZ -> destination space,
return output_glsl_mat3("PREFIX(conversion_matrix)", m) +
read_file("colorspace_conversion_effect.frag");
}
+
+} // namespace movit