yuv_conversion.hpp

#pragma once
 
#include <bnb/types/full_image.hpp>
 
namespace bnb::player_api
{
 
    constexpr uint32_t yuv_offset_to_y_coeffs = 0;
    constexpr uint32_t yuv_offset_to_u_coeffs = 8;
    constexpr uint32_t yuv_offset_to_v_coeffs = 4;
 
    constexpr uint32_t yuv_offset_to_r_coeffs = 0;
    constexpr uint32_t yuv_offset_to_g_coeffs = 4;
    constexpr uint32_t yuv_offset_to_b_coeffs = 8;
 
    const float* const get_conversion_matrix_from_rgb_to_yuv(pixel_buffer_format to_yuv_format, bnb::color_std std, bnb::color_range rng);
 
    const float* const get_conversion_matrix_from_yuv_to_rgb(pixel_buffer_format from_yuv_format, bnb::color_std std, bnb::color_range rng);
 
    [[nodiscard]] inline int32_t uv_plane_width(int32_t width)
    {
        return (width + 1) / 2;
    }
 
    [[nodiscard]] inline int32_t uv_plane_height(int32_t height)
    {
        return (height + 1) / 2;
    }
 
} // namespace bnb::player_api