J2KCommon.hpp

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#ifndef _J2KCOMMON_HPP_
#define _J2KCOMMON_HPP_

#include <openjpeg.h>

// Magic number based on some files found on various disks.
// Specs not availiable at date of writing
#define MAYBE_MAGIC       0x51ff4fff
#define MAYBE_REV_MAGIC   0xff4fff51
// Magic number should be:
// 12 byte string: X'0000 000C 6A50 1A1A 0D0A 870A'

#define CINEMA_24_CS 1302083      /*Codestream length for 24fps*/
#define CINEMA_48_CS 651041       /*Codestream length for 48fps*/
#define COMP_24_CS 1041666        /*Maximum size per color component for 2K & 4K @ 24fps*/
#define COMP_48_CS 520833         /*Maximum size per color component for 2K @ 48fps*/

#define J2K_CFMT 0
#define JP2_CFMT 1
#define JPT_CFMT 2

// On tente de trouver un magic number. Based on some files found on various disks. Specs not availiable at date of writing
#define MAYBE_MAGIC       0x51ff4fff
#define MAYBE_REV_MAGIC   0xff4fff51

namespace tuttle {
namespace io {

struct OpenJpegStuffs
{
        opj_image_t             *image;
        opj_cparameters_t       parameters;     /* compression parameters */
        opj_event_mgr_t         event_mgr;      /* event manager */
};

}
}

#endif