/usr/include/movit/white_balance_effect.h is in libmovit-dev 1.4.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #ifndef _MOVIT_WHITE_BALANCE_EFFECT_H
#define _MOVIT_WHITE_BALANCE_EFFECT_H 1
// Color correction in LMS color space.
#include <epoxy/gl.h>
#include <string>
#include <Eigen/Core>
#include "effect.h"
namespace movit {
class WhiteBalanceEffect : public Effect {
public:
WhiteBalanceEffect();
virtual std::string effect_type_id() const { return "WhiteBalanceEffect"; }
virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
virtual bool one_to_one_sampling() const { return true; }
std::string output_fragment_shader();
void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
private:
// The neutral color, in linear sRGB.
RGBTriplet neutral_color;
// Output color temperature (in Kelvins).
// Choosing 6500 will lead to no color cast (ie., the neutral color becomes perfectly gray).
float output_color_temperature;
Eigen::Matrix3d uniform_correction_matrix;
};
} // namespace movit
#endif // !defined(_MOVIT_WHITE_BALANCE_EFFECT_H)
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