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#ifndef _SER_H_
#define _SER_H_
#include <stdio.h>
#include <stdint.h>
#ifdef _OPENMP
#include <omp.h>
#endif
/* This file is part of Siril, https://free-astro.org/
*
* WARNING: the code in this file and its .c counterpart will not work properly
* on big endian systems.
*/
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <sys/param.h> // define or not BSD macro
#endif
#ifdef __linux__
#define fseek64 fseeko // Linux
#define ftell64 ftello // Linux
#elif defined (__APPLE__) && defined(__MACH__)
#define fseek64 fseeko // OS X
#define ftell64 ftello // OS X
#elif defined(BSD)
#define fseek64 fseeko // DragonFly BSD, FreeBSD, OpenBSD, NetBSD
#define ftell64 ftello // DragonFly BSD, FreeBSD, OpenBSD, NetBSD
#elif defined (__FreeBSD_kernel__) && defined (__GLIBC__)
#define fseek64 fseeko // kFreeBSD
#define ftell64 ftello // kFreeBSD
#elif defined (__gnu_hurd__)
#define fseek64 fseeko // GNU/Hurd
#define ftell64 ftello // GNU/Hurd
#elif defined(__CYGWIN__)
#define fseek64 fseeko // CYGWIN
#define ftell64 ftello // CYGWIN
#else
#define fseek64 _fseeki64 // Windows
#define ftell64 _ftelli64 // Windows
#endif
#define SER_HEADER_LEN 178
typedef enum {
SER_MONO = 0,
SER_BAYER_RGGB = 8,
SER_BAYER_GRBG = 9,
SER_BAYER_GBRG = 10,
SER_BAYER_BGGR = 11,
SER_BAYER_CYYM = 16,
SER_BAYER_YCMY = 17,
SER_BAYER_YMCY = 18,
SER_BAYER_MYYC = 19,
SER_RGB = 100, // SER v3
SER_BGR = 101 // SER v3
} ser_color;
/* Endianness of the frame data for 16-bit images */
typedef enum {
// SER_BIG_ENDIAN = 0 /* = FALSE */, SER_LITTLE_ENDIAN = 1 /* = TRUE */
/* For an unknown reason, several of the first programs to support SER
* disrespect the specification regarding the endianness flag. The specification
* states that a boolean value is used for the LittleEndian header, and they
* use it as a BigEndian header, with 0 for little-endian and 1 for big-endian.
* Consequently, to not break compatibility with these first implementations,
* later programs, like Siril and GoQat, have also decided to implement this
* header in opposite meaning to the specification. */
SER_LITTLE_ENDIAN = 0, SER_BIG_ENDIAN = 1
} ser_endian;
typedef enum {
SER_PIXEL_DEPTH_8 = 1, SER_PIXEL_DEPTH_16 = 2
} ser_pixdepth;
/* this struct does not reflect the exact header:
* - strings are nul-terminated, which makes them one character larger than in
* the header
* - the integer types of the header are little endian, which may not be the
* case when compiling the struct
*/
struct ser_struct {
char *file_id; // 14 bytes (0)
int lu_id; // 4 (14)
ser_color color_id; // 4 (18)
ser_endian little_endian; // 4 (22)
int image_width; // 4 (26)
int image_height; // 4 (30)
int bit_pixel_depth; // 4 (34)
unsigned int frame_count; // 4 (38)
char observer[40]; // 40 (42)
char instrument[40]; // 40 (82)
char telescope[40]; // 40 (122)
uint64_t date; // 8 (162)
uint64_t date_utc; // 8 (170)
/* timestamps (not in the header, timestamps are in trailer) */
uint64_t *ts; // total timestamps
int ts_alloc; // allocated number of elements in ts
uint64_t ts_min, ts_max;// min and max timestamp
double fps; // frame rate
int64_t filesize; // size of the file
// internal representations of header data
ser_pixdepth byte_pixel_depth; // more useful representation of the bit_pixel_depth
unsigned int number_of_planes; // derived from the color_id
FILE *file;
char *filename;
#ifdef _OPENMP
omp_lock_t fd_lock, ts_lock;
#endif
};
gboolean ser_is_cfa(struct ser_struct *ser_file);
void ser_convertTimeStamp(struct ser_struct *ser_file, GSList *timestamp);
void ser_init_struct(struct ser_struct *ser_file);
void ser_display_info(struct ser_struct *ser_file);
int ser_open_file(const char *filename, struct ser_struct *ser_file);
int ser_write_and_close(struct ser_struct *ser_file);
int ser_compact_file(struct ser_struct *ser_file, unsigned char *successful_frames, int nb_frames);
int ser_create_file(const char *filename, struct ser_struct *ser_file, gboolean overwrite, struct ser_struct *copy_from);
int ser_close_file(struct ser_struct *ser_file);
int ser_read_frame(struct ser_struct *ser_file, int frame_no, fits *fit);
int ser_read_opened_partial_fits(struct ser_struct *ser_file, int layer,
int frame_no, fits *fit, const rectangle *area);
int ser_read_opened_partial(struct ser_struct *ser_file, int layer,
int frame_no, WORD *buffer, const rectangle *area);
int ser_write_frame_from_fit(struct ser_struct *ser_file, fits *fit, int frame);
#endif
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