X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=colorspace_conversion_effect.h;h=a59d4766a8ba3699b23723d6b87fd64cab4dc6c4;hp=1e7bd5b18dabdfa5881a89d7b52d1fa0181785f9;hb=c79d94d05d560fa59b23d542bca6d7a94b907b6f;hpb=f99ad333a7acbb6c8c995dbb036484ae8940c490 diff --git a/colorspace_conversion_effect.h b/colorspace_conversion_effect.h index 1e7bd5b..a59d476 100644 --- a/colorspace_conversion_effect.h +++ b/colorspace_conversion_effect.h @@ -1,5 +1,5 @@ -#ifndef _COLORSPACE_CONVERSION_EFFECT_H -#define _COLORSPACE_CONVERSION_EFFECT_H 1 +#ifndef _MOVIT_COLORSPACE_CONVERSION_EFFECT_H +#define _MOVIT_COLORSPACE_CONVERSION_EFFECT_H 1 // An effect to convert between different color spaces. // Can convert freely between sRGB/Rec. 709 and the two different Rec. 601 @@ -8,19 +8,35 @@ // We don't do any fancy gamut mapping or similar; colors that are out-of-gamut // will simply stay out-of-gamut, and probably clip in the output stage. +#include +#include + #include "effect.h" -#include "effect_chain.h" +#include "image_format.h" + +namespace movit { + +class ColorspaceConversionEffect : public Effect { +private: + // Should not be instantiated by end users. + ColorspaceConversionEffect(); + friend class EffectChain; -class ColorSpaceConversionEffect : public Effect { public: - ColorSpaceConversionEffect(); - virtual std::string effect_type_id() const { return "ColorSpaceConversionEffect"; } - std::string output_fragment_shader(); + std::string effect_type_id() const override { return "ColorspaceConversionEffect"; } + std::string output_fragment_shader() override; + + bool needs_srgb_primaries() const override { return false; } + AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } + bool strong_one_to_one_sampling() const override { return true; } - virtual bool needs_srgb_primaries() const { return false; } + // Get a conversion matrix from the given color space to XYZ. + static Eigen::Matrix3d get_xyz_matrix(Colorspace space); private: - ColorSpace source_space, destination_space; + Colorspace source_space, destination_space; }; -#endif // !defined(_COLORSPACE_CONVERSION_EFFECT_H) +} // namespace movit + +#endif // !defined(_MOVIT_COLORSPACE_CONVERSION_EFFECT_H)