Classes | |
struct | opj_cp |
struct | opj_j2k |
struct | opj_stepsize |
struct | opj_tccp |
struct | opj_tcp |
Defines | |
#define | J2K_CCP_CBLKSTY_LAZY 0x01 |
#define | J2K_CCP_CBLKSTY_PTERM 0x10 |
#define | J2K_CCP_CBLKSTY_RESET 0x02 |
#define | J2K_CCP_CBLKSTY_SEGSYM 0x20 |
#define | J2K_CCP_CBLKSTY_TERMALL 0x04 |
#define | J2K_CCP_CBLKSTY_VSC 0x08 |
#define | J2K_CCP_CSTY_PRT 0x01 |
#define | J2K_CCP_QNTSTY_NOQNT 0 |
#define | J2K_CCP_QNTSTY_SEQNT 2 |
#define | J2K_CCP_QNTSTY_SIQNT 1 |
#define | J2K_CP_CSTY_EPH 0x04 |
#define | J2K_CP_CSTY_PRT 0x01 |
#define | J2K_CP_CSTY_SOP 0x02 |
#define | J2K_MS_COC 0xff53 |
#define | J2K_MS_COD 0xff52 |
#define | J2K_MS_COM 0xff64 |
#define | J2K_MS_CRG 0xff63 |
#define | J2K_MS_EOC 0xffd9 |
#define | J2K_MS_EPH 0xff92 |
#define | J2K_MS_PLM 0xff57 |
#define | J2K_MS_PLT 0xff58 |
#define | J2K_MS_POC 0xff5f |
#define | J2K_MS_PPM 0xff60 |
#define | J2K_MS_PPT 0xff61 |
#define | J2K_MS_QCC 0xff5d |
#define | J2K_MS_QCD 0xff5c |
#define | J2K_MS_RGN 0xff5e |
#define | J2K_MS_SIZ 0xff51 |
#define | J2K_MS_SOC 0xff4f |
#define | J2K_MS_SOD 0xff93 |
#define | J2K_MS_SOP 0xff91 |
#define | J2K_MS_SOT 0xff90 |
#define | J2K_MS_TLM 0xff55 |
Typedefs | |
typedef enum J2K_STATUS | J2K_STATUS |
typedef enum T2_MODE | J2K_T2_MODE |
typedef struct opj_cp | opj_cp_t |
typedef struct opj_j2k | opj_j2k_t |
typedef struct opj_stepsize | opj_stepsize_t |
typedef struct opj_tccp | opj_tccp_t |
typedef struct opj_tcp | opj_tcp_t |
Enumerations | |
enum | J2K_STATUS { J2K_STATE_MHSOC = 0x0001, J2K_STATE_MHSIZ = 0x0002, J2K_STATE_MH = 0x0004, J2K_STATE_TPHSOT = 0x0008, J2K_STATE_TPH = 0x0010, J2K_STATE_MT = 0x0020, J2K_STATE_NEOC = 0x0040, J2K_STATE_ERR = 0x0080 } |
enum | T2_MODE { THRESH_CALC = 0, FINAL_PASS = 1 } |
Exported functions | |
| |
char * | j2k_convert_progression_order (OPJ_PROG_ORDER prg_order) |
opj_j2k_t * | j2k_create_compress (opj_common_ptr cinfo) |
opj_j2k_t * | j2k_create_decompress (opj_common_ptr cinfo) |
opj_image_t * | j2k_decode (opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) |
opj_image_t * | j2k_decode_jpt_stream (opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) |
void | j2k_destroy_compress (opj_j2k_t *j2k) |
void | j2k_destroy_decompress (opj_j2k_t *j2k) |
bool | j2k_encode (opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) |
void | j2k_setup_decoder (opj_j2k_t *j2k, opj_dparameters_t *parameters) |
void | j2k_setup_encoder (opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) |
#define J2K_CCP_CBLKSTY_LAZY 0x01 |
#define J2K_CCP_CBLKSTY_PTERM 0x10 |
#define J2K_CCP_CBLKSTY_RESET 0x02 |
#define J2K_CCP_CBLKSTY_SEGSYM 0x20 |
#define J2K_CCP_CBLKSTY_TERMALL 0x04 |
#define J2K_CCP_CBLKSTY_VSC 0x08 |
#define J2K_CCP_CSTY_PRT 0x01 |
#define J2K_CCP_QNTSTY_NOQNT 0 |
#define J2K_CCP_QNTSTY_SEQNT 2 |
#define J2K_CCP_QNTSTY_SIQNT 1 |
#define J2K_CP_CSTY_EPH 0x04 |
#define J2K_CP_CSTY_PRT 0x01 |
#define J2K_CP_CSTY_SOP 0x02 |
#define J2K_MS_COC 0xff53 |
COC marker value
#define J2K_MS_COD 0xff52 |
COD marker value
#define J2K_MS_COM 0xff64 |
COM marker value
#define J2K_MS_CRG 0xff63 |
CRG marker value
#define J2K_MS_EOC 0xffd9 |
EOC marker value
#define J2K_MS_EPH 0xff92 |
EPH marker value
#define J2K_MS_PLM 0xff57 |
PLM marker value
#define J2K_MS_PLT 0xff58 |
PLT marker value
#define J2K_MS_POC 0xff5f |
POC marker value
#define J2K_MS_PPM 0xff60 |
PPM marker value
#define J2K_MS_PPT 0xff61 |
PPT marker value
#define J2K_MS_QCC 0xff5d |
QCC marker value
#define J2K_MS_QCD 0xff5c |
QCD marker value
#define J2K_MS_RGN 0xff5e |
RGN marker value
#define J2K_MS_SIZ 0xff51 |
SIZ marker value
#define J2K_MS_SOC 0xff4f |
SOC marker value
#define J2K_MS_SOD 0xff93 |
SOD marker value
#define J2K_MS_SOP 0xff91 |
SOP marker value
#define J2K_MS_SOT 0xff90 |
SOT marker value
#define J2K_MS_TLM 0xff55 |
TLM marker value
typedef enum J2K_STATUS J2K_STATUS |
Values that specify the status of the decoding process when decoding the main header. These values may be combined with a | operator.
typedef enum T2_MODE J2K_T2_MODE |
T2 encoding mode
typedef struct opj_stepsize opj_stepsize_t |
Quantization stepsize
typedef struct opj_tccp opj_tccp_t |
Tile-component coding parameters
Tile coding parameters : this structure is used to store coding/decoding parameters common to all tiles (information like COD, COC in main header)
enum J2K_STATUS |
Values that specify the status of the decoding process when decoding the main header. These values may be combined with a | operator.
enum T2_MODE |
char* j2k_convert_progression_order | ( | OPJ_PROG_ORDER | prg_order | ) |
Converts an enum type progression order to string type
opj_j2k_t* j2k_create_compress | ( | opj_common_ptr | cinfo | ) |
Creates a J2K compression structure
cinfo | Codec context info |
opj_j2k_t* j2k_create_decompress | ( | opj_common_ptr | cinfo | ) |
Creates a J2K decompression structure
cinfo | Codec context info |
opj_image_t* j2k_decode | ( | opj_j2k_t * | j2k, | |
opj_cio_t * | cio, | |||
opj_codestream_info_t * | cstr_info | |||
) |
Decode an image from a JPEG-2000 codestream
j2k | J2K decompressor handle | |
cio | Input buffer stream | |
cstr_info | Codestream information structure if required, NULL otherwise |
opj_image_t* j2k_decode_jpt_stream | ( | opj_j2k_t * | j2k, | |
opj_cio_t * | cio, | |||
opj_codestream_info_t * | cstr_info | |||
) |
Decode an image form a JPT-stream (JPEG 2000, JPIP)
j2k | J2K decompressor handle | |
cio | Input buffer stream | |
cstr_info | Codestream information structure if required, NULL otherwise |
void j2k_destroy_compress | ( | opj_j2k_t * | j2k | ) |
Destroy a J2K compressor handle
j2k | J2K compressor handle to destroy |
void j2k_destroy_decompress | ( | opj_j2k_t * | j2k | ) |
Destroy a J2K decompressor handle
j2k | J2K decompressor handle to destroy |
bool j2k_encode | ( | opj_j2k_t * | j2k, | |
opj_cio_t * | cio, | |||
opj_image_t * | image, | |||
opj_codestream_info_t * | cstr_info | |||
) |
Encode an image into a JPEG-2000 codestream
j2k | J2K compressor handle | |
cio | Output buffer stream | |
image | Image to encode | |
cstr_info | Codestream information structure if required, NULL otherwise |
void j2k_setup_decoder | ( | opj_j2k_t * | j2k, | |
opj_dparameters_t * | parameters | |||
) |
Setup the decoder decoding parameters using user parameters. Decoding parameters are returned in j2k->cp.
j2k | J2K decompressor handle | |
parameters | decompression parameters |
void j2k_setup_encoder | ( | opj_j2k_t * | j2k, | |
opj_cparameters_t * | parameters, | |||
opj_image_t * | image | |||
) |
Setup the encoder parameters using the current image and using user parameters. Coding parameters are returned in j2k->cp.
j2k | J2K compressor handle | |
parameters | compression parameters | |
image | input filled image |