video_colorspace.h

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#pragma once
 
extern "C" {
#include <libavutil/pixfmt.h>
}
 
namespace video {
 
  enum class colorspace_e {
    rec601,  
    rec709,  
    bt2020sdr,  
    bt2020,  
  };
 
  struct sunshine_colorspace_t {
    colorspace_e colorspace;  
    bool full_range;  
    unsigned bit_depth;  
  };
 
  bool colorspace_is_hdr(const sunshine_colorspace_t &colorspace);
 
  // Declared in video.h
  struct config_t;
 
  sunshine_colorspace_t colorspace_from_client_config(const config_t &config, bool hdr_display);
 
  struct avcodec_colorspace_t {
    AVColorPrimaries primaries;  
    AVColorTransferCharacteristic transfer_function;  
    AVColorSpace matrix;  
    AVColorRange range;  
    int software_format;  
  };
 
  avcodec_colorspace_t avcodec_colorspace_from_sunshine_colorspace(const sunshine_colorspace_t &sunshine_colorspace);
 
  struct alignas(16) color_t {
    float color_vec_y[4];  
    float color_vec_u[4];  
    float color_vec_v[4];  
    float range_y[2];  
    float range_uv[2];  
  };
 
  const color_t *color_vectors_from_colorspace(const sunshine_colorspace_t &colorspace, bool unorm_output);
}  // namespace video