#include <stdint.h>

typedef enum {
    PIXFORMAT_INVALID = 0,
    PIXFORMAT_BINARY,    // 1BPP/BINARY
    PIXFORMAT_GRAYSCALE, // 1BPP/GRAYSCALE
    PIXFORMAT_RGB565,    // 2BPP/RGB565
    PIXFORMAT_YUV422,    // 2BPP/YUV422
    PIXFORMAT_BAYER,     // 1BPP/RAW
    PIXFORMAT_JPEG,      // JPEG/COMPRESSED
} pixformat_t;

typedef enum {
    FRAMESIZE_INVALID = 0,
    // C/SIF Resolutions
    FRAMESIZE_QQCIF,    // 88x72
    FRAMESIZE_QCIF,     // 176x144
    FRAMESIZE_CIF,      // 352x288
    FRAMESIZE_QQSIF,    // 88x60
    FRAMESIZE_QSIF,     // 176x120
    FRAMESIZE_SIF,      // 352x240
    // VGA Resolutions
    FRAMESIZE_QQQQVGA,  // 40x30
    FRAMESIZE_QQQVGA,   // 80x60
    FRAMESIZE_QQVGA,    // 160x120
    FRAMESIZE_QVGA,     // 320x240
    FRAMESIZE_VGA,      // 640x480
    FRAMESIZE_HQQQVGA,  // 60x40
    FRAMESIZE_HQQVGA,   // 120x80
    FRAMESIZE_HQVGA,    // 240x160
    // FFT Resolutions
    FRAMESIZE_64X32,    // 64x32
    FRAMESIZE_64X64,    // 64x64
    FRAMESIZE_128X64,   // 128x64
    FRAMESIZE_128X128,  // 128x128
    FRAMESIZE_320X320,  // 320x320
    // Other
    FRAMESIZE_LCD,      // 128x160
    FRAMESIZE_QQVGA2,   // 128x160
    FRAMESIZE_WVGA,     // 720x480
    FRAMESIZE_WVGA2,    // 752x480
    FRAMESIZE_SVGA,     // 800x600
    FRAMESIZE_XGA,      // 1024x768
    FRAMESIZE_SXGA,     // 1280x1024
    FRAMESIZE_UXGA,     // 1600x1200
    FRAMESIZE_HD,       // 1280x720
    FRAMESIZE_FHD,      // 1920x1080
    FRAMESIZE_QHD,      // 2560x1440
    FRAMESIZE_QXGA,     // 2048x1536
    FRAMESIZE_WQXGA,    // 2560x1600
    FRAMESIZE_WQXGA2,   // 2592x1944
} framesize_t;

typedef enum {
    GAINCEILING_2X,
    GAINCEILING_4X,
    GAINCEILING_8X,
    GAINCEILING_16X,
    GAINCEILING_32X,
    GAINCEILING_64X,
    GAINCEILING_128X,
} gainceiling_t;

typedef enum {
    SDE_NORMAL,
    SDE_NEGATIVE,
} sde_t;

extern const int _eos_cam_resolution[][2];

#define IM_LOG2_2(x)    (((x) &                0x2ULL) ? ( 2                        ) :             1) // NO ({ ... }) !
#define IM_LOG2_4(x)    (((x) &                0xCULL) ? ( 2 +  IM_LOG2_2((x) >>  2)) :  IM_LOG2_2(x)) // NO ({ ... }) !
#define IM_LOG2_8(x)    (((x) &               0xF0ULL) ? ( 4 +  IM_LOG2_4((x) >>  4)) :  IM_LOG2_4(x)) // NO ({ ... }) !
#define IM_LOG2_16(x)   (((x) &             0xFF00ULL) ? ( 8 +  IM_LOG2_8((x) >>  8)) :  IM_LOG2_8(x)) // NO ({ ... }) !
#define IM_LOG2_32(x)   (((x) &         0xFFFF0000ULL) ? (16 + IM_LOG2_16((x) >> 16)) : IM_LOG2_16(x)) // NO ({ ... }) !
#define IM_LOG2(x)      (((x) & 0xFFFFFFFF00000000ULL) ? (32 + IM_LOG2_32((x) >> 32)) : IM_LOG2_32(x)) // NO ({ ... }) !

#define IM_MAX(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
#define IM_MIN(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
#define IM_DIV(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _b ? (_a / _b) : 0; })
#define IM_MOD(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _b ? (_a % _b) : 0; })

void eos_cam_capture(void);
int eos_cam_capture_done(void);
void eos_cam_capture_wait(void);
uint32_t eos_cam_fbuf_size(void);
void eos_cam_fbuf_read(uint8_t *buffer, uint16_t sz, int first);
void eos_cam_fbuf_done(void);