/usr/include/movit/ycbcr_conversion_effect.h is in libmovit-dev 1.6.1-1.
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 38 39 40 41 42 43 44 45 46 47 48 49 | #ifndef _MOVIT_YCBCR_CONVERSION_EFFECT_H
#define _MOVIT_YCBCR_CONVERSION_EFFECT_H 1
// Converts from R'G'B' to Y'CbCr; that is, more or less the opposite of YCbCrInput,
// except that it keeps the data as 4:4:4 chunked Y'CbCr; you'll need to subsample
// and/or convert to planar somehow else.
#include <epoxy/gl.h>
#include <Eigen/Core>
#include <string>
#include "effect.h"
#include "ycbcr.h"
namespace movit {
class YCbCrConversionEffect : public Effect {
private:
// Should not be instantiated by end users;
// call EffectChain::add_ycbcr_output() instead.
YCbCrConversionEffect(const YCbCrFormat &ycbcr_format, GLenum type);
friend class EffectChain;
public:
std::string effect_type_id() const override { return "YCbCrConversionEffect"; }
std::string output_fragment_shader() override;
void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
bool strong_one_to_one_sampling() const override { return true; }
// Should not be called by end users; call
// EffectChain::change_ycbcr_output_format() instead.
void change_output_format(const YCbCrFormat &ycbcr_format) {
this->ycbcr_format = ycbcr_format;
}
private:
YCbCrFormat ycbcr_format;
GLenum type;
Eigen::Matrix3d uniform_ycbcr_matrix;
float uniform_offset[3];
bool uniform_clamp_range;
float uniform_ycbcr_min[3], uniform_ycbcr_max[3];
};
} // namespace movit
#endif // !defined(_MOVIT_YCBCR_CONVERSION_EFFECT_H)
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