ra8_camera.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"

typedef struct ra8_camera_source_iface ra8_camera_source_iface_t;

typedef struct ra8_camera_codec_iface ra8_camera_codec_iface_t;

typedef enum : uint8_t {
  k_ra8_camera_format_rgb888 = 0U, 
  k_ra8_camera_format_uyvy422,     
  k_ra8_camera_format_jpeg,        
} ra8_camera_format_t;

typedef struct {
  uint8_t* data;     
  uint32_t capacity; 
} ra8_camera_buffer_t;

typedef struct {
  const uint8_t*      data;         
  uint32_t            bytes;        
  uint32_t            stride_bytes; 
  uint16_t            width;        
  uint16_t            height;       
  ra8_camera_format_t format;       
} ra8_camera_frame_t;

typedef struct {
  uint32_t            frame_bytes_max; 
  uint32_t            stride_bytes;    
  uint16_t            width;           
  uint16_t            height;          
  ra8_camera_format_t format;          
} ra8_camera_source_info_t;

typedef struct {
  const ra8_camera_source_iface_t* iface; 
  void*                            ctx;   
} ra8_camera_source_t;

typedef struct {
  const ra8_camera_codec_iface_t* iface; 
  void*                           ctx;   
} ra8_camera_codec_t;

[[nodiscard]] ra8_err_t ra8_camera_frame_validate(const ra8_camera_frame_t* frame);

[[nodiscard]] ra8_err_t ra8_camera_source_get_info(ra8_camera_source_t*      source,
                                                   ra8_camera_source_info_t* out_info);

[[nodiscard]] ra8_err_t ra8_camera_source_capture(ra8_camera_source_t*       source,
                                                  const ra8_camera_buffer_t* buffer,
                                                  ra8_camera_frame_t*        out_frame);

[[nodiscard]] ra8_err_t ra8_camera_codec_encode(ra8_camera_codec_t*        codec,
                                                const ra8_camera_frame_t*  input,
                                                const ra8_camera_buffer_t* output_buffer,
                                                ra8_camera_frame_t*        out_frame);
 
#ifdef __cplusplus
}
#endif