OpenJPEG
1.5.1
|
Macros | |
#define | MIN_V1 0.0 |
Minimum and maximum values for the double->pfp conversion. More... | |
#define | MAX_V1 17293822569102704640.0 |
#define | MIN_V2 0.000030517578125 |
#define | MAX_V2 131040.0 |
Functions | |
unsigned short int | jpwl_double_to_pfp (double V, int bytes) |
conversion between a double precision floating point number and the corresponding pseudo-floating point used to represent sensitivity values More... | |
double | jpwl_pfp_to_double (unsigned short int em, int bytes) |
conversion between a pseudo-floating point used to represent sensitivity values and the corresponding double precision floating point number More... | |
int | jpwl_markcomp (const void *arg1, const void *arg2) |
this function is used to compare two JPWL markers based on their relevant wishlist position More... | |
int | jpwl_epbs_add (opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int *jwmarker_num, opj_bool latest, opj_bool packed, opj_bool insideMH, int *idx, int hprot, double place_pos, int tileno, unsigned long int pre_len, unsigned long int post_len) |
add a number of EPB marker segments More... | |
jpwl_epb_ms_t * | jpwl_epb_create (opj_j2k_t *j2k, opj_bool latest, opj_bool packed, int tileno, int idx, int hprot, unsigned long int pre_len, unsigned long int post_len) |
create an EPB marker segment More... | |
void | jpwl_epb_write (opj_j2k_t *j2k, jpwl_epb_ms_t *epb, unsigned char *buf) |
write an EPB MS to a buffer More... | |
jpwl_epc_ms_t * | jpwl_epc_create (opj_j2k_t *j2k, opj_bool esd_on, opj_bool red_on, opj_bool epb_on, opj_bool info_on) |
create an EPC marker segment More... | |
opj_bool | jpwl_epb_fill (opj_j2k_t *j2k, jpwl_epb_ms_t *epb, unsigned char *buf, unsigned char *post_buf) |
opj_bool | jpwl_correct (opj_j2k_t *j2k) |
corrects the data in the JPWL codestream More... | |
opj_bool | jpwl_epb_correct (opj_j2k_t *j2k, unsigned char *buffer, int type, int pre_len, int post_len, int *conn, unsigned char **L4_bufp) |
corrects the data protected by an EPB More... | |
void | jpwl_epc_write (opj_j2k_t *j2k, jpwl_epc_ms_t *epc, unsigned char *buf) |
write an EPC MS to a buffer More... | |
int | jpwl_esds_add (opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int *jwmarker_num, int comps, unsigned char addrm, unsigned char ad_size, unsigned char senst, unsigned char se_size, double place_pos, int tileno) |
add a number of ESD marker segments More... | |
jpwl_esd_ms_t * | jpwl_esd_create (opj_j2k_t *j2k, int comp, unsigned char addrm, unsigned char ad_size, unsigned char senst, int se_size, int tileno, unsigned long int svalnum, void *sensval) |
create an EPC marker segment More... | |
opj_bool | jpwl_esd_fill (opj_j2k_t *j2k, jpwl_esd_ms_t *esd, unsigned char *buf) |
void | jpwl_esd_write (opj_j2k_t *j2k, jpwl_esd_ms_t *esd, unsigned char *buf) |
write an ESD MS to a buffer More... | |
opj_bool | jpwl_update_info (opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int jwmarker_num) |
updates the information structure by modifying the positions and lengths More... | |
#define MAX_V1 17293822569102704640.0 |
Referenced by jpwl_double_to_pfp(), and jpwl_esd_fill().
#define MAX_V2 131040.0 |
Referenced by jpwl_double_to_pfp().
#define MIN_V1 0.0 |
Minimum and maximum values for the double->pfp conversion.
Referenced by jpwl_double_to_pfp().
#define MIN_V2 0.000030517578125 |
Referenced by jpwl_double_to_pfp().
unsigned short int jpwl_double_to_pfp | ( | double | V, |
int | bytes | ||
) |
conversion between a double precision floating point
number and the corresponding pseudo-floating point used to represent sensitivity values
V | the double precision value |
bytes | the number of bytes of the representation |
References MAX_V1, MAX_V2, MIN_V1, and MIN_V2.
Referenced by jpwl_esd_fill().
void jpwl_epb_write | ( | opj_j2k_t * | j2k, |
jpwl_epb_ms_t * | epbmark, | ||
unsigned char * | buf | ||
) |
write an EPB MS to a buffer
j2k | J2K compressor handle |
epbmark | pointer to the EPB MS |
buf | pointer to the memory buffer |
References opj_j2k::cstr_info, jpwl_epb_ms::Depb, j2k_add_marker(), J2K_MS_EPB, jpwl_epb_ms::LDPepb, jpwl_epb_ms::Lepb, and jpwl_epb_ms::Pepb.
Referenced by jpwl_dump_marks().
jpwl_epc_ms_t* jpwl_epc_create | ( | opj_j2k_t * | j2k, |
opj_bool | esd_on, | ||
opj_bool | red_on, | ||
opj_bool | epb_on, | ||
opj_bool | info_on | ||
) |
create an EPC marker segment
j2k | J2K compressor handle |
esd_on | true if ESD is activated |
red_on | true if RED is activated |
epb_on | true if EPB is activated |
info_on | true if informative techniques are activated |
References opj_j2k::cinfo, opj_j2k::cp, jpwl_epc_ms::DL, jpwl_epc_ms::epb_on, opj_cp::epb_on, jpwl_epc_ms::esd_on, opj_cp::esd_on, EVT_ERROR, jpwl_epc_ms::info_on, opj_cp::info_on, jpwl_epc_ms::Lepc, opj_event_msg(), opj_malloc, jpwl_epc_ms::Pcrc, jpwl_epc_ms::Pepc, jpwl_epc_ms::red_on, and opj_cp::red_on.
Referenced by jpwl_prepare_marks().
void jpwl_epc_write | ( | opj_j2k_t * | j2k, |
jpwl_epc_ms_t * | epcmark, | ||
unsigned char * | buf | ||
) |
write an EPC MS to a buffer
j2k | J2K compressor handle |
epcmark | pointer to the EPC MS |
buf | pointer to the memory buffer |
References opj_j2k::cstr_info, jpwl_epc_ms::DL, j2k_add_marker(), J2K_MS_EPC, jpwl_epc_ms::Lepc, jpwl_epc_ms::Pcrc, and jpwl_epc_ms::Pepc.
Referenced by jpwl_dump_marks().
jpwl_esd_ms_t* jpwl_esd_create | ( | opj_j2k_t * | j2k, |
int | comps, | ||
unsigned char | addrm, | ||
unsigned char | ad_size, | ||
unsigned char | senst, | ||
int | se_size, | ||
int | tileno, | ||
unsigned long int | svalnum, | ||
void * | sensval | ||
) |
create an EPC marker segment
j2k | J2K compressor handle |
comps | considered component (-1=average, 0/1/2/...=component no.) |
addrm | addressing mode (0=packet, 1=byte range, 2=packet range, 3=reserved) |
ad_size | size of addresses (2/4 bytes) |
senst | sensitivity type |
se_size | sensitivity values size (1/2 bytes) |
tileno | tile where this ESD lies (-1 means MH) |
svalnum | number of sensitivity values (if 0, they will be automatically filled) |
sensval | pointer to an array of sensitivity values (if NULL, they will be automatically filled) |
References jpwl_esd_ms::ad_size, jpwl_esd_ms::addrm, jpwl_esd_ms::Cesd, opj_j2k::cinfo, opj_codestream_info::codestream_size, opj_j2k::cstr_info, jpwl_esd_ms::data, EVT_ERROR, opj_j2k::image, jpwl_esd_ms::Lesd, jpwl_esd_ms::numcomps, opj_image::numcomps, opj_event_msg(), opj_malloc, opj_codestream_info::packno, jpwl_esd_ms::Pesd, jpwl_esd_ms::se_size, jpwl_esd_ms::senst, jpwl_esd_ms::sensval_size, jpwl_esd_ms::svalnum, opj_codestream_info::th, jpwl_esd_ms::tileno, and opj_codestream_info::tw.
Referenced by jpwl_prepare_marks().
void jpwl_esd_write | ( | opj_j2k_t * | j2k, |
jpwl_esd_ms_t * | esdmark, | ||
unsigned char * | buf | ||
) |
write an ESD MS to a buffer
j2k | J2K compressor handle |
esdmark | pointer to the ESD MS |
buf | pointer to the memory buffer |
References jpwl_esd_ms::Cesd, opj_j2k::cstr_info, j2k_add_marker(), J2K_MS_ESD, jpwl_esd_ms::Lesd, jpwl_esd_ms::numcomps, and jpwl_esd_ms::Pesd.
Referenced by jpwl_dump_marks().
int jpwl_markcomp | ( | const void * | arg1, |
const void * | arg2 | ||
) |
this function is used to compare two JPWL markers based on
their relevant wishlist position
arg1 | pointer to first marker |
arg2 | pointer to second marker |
Referenced by jpwl_dump_marks().
double jpwl_pfp_to_double | ( | unsigned short int | em, |
int | bytes | ||
) |
conversion between a pseudo-floating point used
to represent sensitivity values and the corresponding double precision floating point number
em | the pseudo-floating point value (cast accordingly) |
bytes | the number of bytes of the representation |
Referenced by jpwl_esd_fill().