Type Alias opj_cparameters_t 

pub type opj_cparameters_t = opj_cparameters;

Compression parameters

Aliased Type

#[repr(C)]
pub struct opj_cparameters_t {

    pub tile_size_on: i32,
    pub cp_tx0: i32,
    pub cp_ty0: i32,
    pub cp_tdx: i32,
    pub cp_tdy: i32,
    pub cp_disto_alloc: i32,
    pub cp_fixed_alloc: i32,
    pub cp_fixed_quality: i32,
    pub cp_matrice: *mut i32,
    pub cp_comment: *mut i8,
    pub csty: i32,
    pub prog_order: PROG_ORDER,
    pub POC: [opj_poc; 32],
    pub numpocs: u32,
    pub tcp_numlayers: i32,
    pub tcp_rates: [f32; 100],
    pub tcp_distoratio: [f32; 100],
    pub numresolution: i32,
    pub cblockw_init: i32,
    pub cblockh_init: i32,
    pub mode: i32,
    pub irreversible: i32,
    pub roi_compno: i32,
    pub roi_shift: i32,
    pub res_spec: i32,
    pub prcw_init: [i32; 33],
    pub prch_init: [i32; 33],
    pub infile: [i8; 4096],
    pub outfile: [i8; 4096],
    pub index_on: i32,
    pub index: [i8; 4096],
    pub image_offset_x0: i32,
    pub image_offset_y0: i32,
    pub subsampling_dx: i32,
    pub subsampling_dy: i32,
    pub decod_format: i32,
    pub cod_format: i32,
    pub jpwl_epc_on: i32,
    pub jpwl_hprot_MH: i32,
    pub jpwl_hprot_TPH_tileno: [i32; 16],
    pub jpwl_hprot_TPH: [i32; 16],
    pub jpwl_pprot_tileno: [i32; 16],
    pub jpwl_pprot_packno: [i32; 16],
    pub jpwl_pprot: [i32; 16],
    pub jpwl_sens_size: i32,
    pub jpwl_sens_addr: i32,
    pub jpwl_sens_range: i32,
    pub jpwl_sens_MH: i32,
    pub jpwl_sens_TPH_tileno: [i32; 16],
    pub jpwl_sens_TPH: [i32; 16],
    pub cp_cinema: CINEMA_MODE,
    pub max_comp_size: i32,
    pub cp_rsiz: RSIZ_CAPABILITIES,
    pub tp_on: i8,
    pub tp_flag: i8,
    pub tcp_mct: i8,
    pub jpip_on: i32,
    pub mct_data: *mut c_void,
    pub max_cs_size: i32,
    pub rsiz: u16,
}

Fields

tile_size_on: i32

size of tile: tile_size_on = false (not in argument) or = true (in argument)

cp_tx0: i32

XTOsiz

cp_ty0: i32

YTOsiz

cp_tdx: i32

XTsiz

cp_tdy: i32

YTsiz

cp_disto_alloc: i32

allocation by rate/distortion

cp_fixed_alloc: i32

allocation by fixed layer

cp_fixed_quality: i32

allocation by fixed quality (PSNR)

cp_matrice: *mut i32

fixed layer

cp_comment: *mut i8

comment for coding

csty: i32

csty : coding style

prog_order: PROG_ORDER

progression order (default OPJ_LRCP)

POC: [opj_poc; 32]

progression order changes

numpocs: u32

number of progression order changes (POC), default to 0

tcp_numlayers: i32

number of layers

tcp_rates: [f32; 100]

rates of layers - might be subsequently limited by the max_cs_size field. Should be decreasing. 1 can be used as last value to indicate the last layer is lossless.

tcp_distoratio: [f32; 100]

different psnr for successive layers. Should be increasing. 0 can be used as last value to indicate the last layer is lossless.

numresolution: i32

number of resolutions

cblockw_init: i32

initial code block width, default to 64

cblockh_init: i32

initial code block height, default to 64

mode: i32

mode switch (cblk_style)

irreversible: i32

1 : use the irreversible DWT 9-7, 0 : use lossless compression (default)

roi_compno: i32

region of interest: affected component in [0..3], -1 means no ROI

roi_shift: i32

region of interest: upshift value

res_spec: i32

prcw_init: [i32; 33]

initial precinct width

prch_init: [i32; 33]

initial precinct height

infile: [i8; 4096]

input file name

outfile: [i8; 4096]

output file name

index_on: i32

DEPRECATED. Index generation is now handled with the opj_encode_with_info() function. Set to NULL

index: [i8; 4096]

DEPRECATED. Index generation is now handled with the opj_encode_with_info() function. Set to NULL

image_offset_x0: i32

subimage encoding: origin image offset in x direction

image_offset_y0: i32

subimage encoding: origin image offset in y direction

subsampling_dx: i32

subsampling value for dx

subsampling_dy: i32

subsampling value for dy

decod_format: i32

input file format 0: PGX, 1: PxM, 2: BMP 3:TIF

cod_format: i32

output file format 0: J2K, 1: JP2, 2: JPT

jpwl_epc_on: i32

enables writing of EPC in MH, thus activating JPWL

jpwl_hprot_MH: i32

error protection method for MH (0,1,16,32,37-128)

jpwl_hprot_TPH_tileno: [i32; 16]

tile number of header protection specification (>=0)

jpwl_hprot_TPH: [i32; 16]

error protection methods for TPHs (0,1,16,32,37-128)

jpwl_pprot_tileno: [i32; 16]

tile number of packet protection specification (>=0)

jpwl_pprot_packno: [i32; 16]

packet number of packet protection specification (>=0)

jpwl_pprot: [i32; 16]

error protection methods for packets (0,1,16,32,37-128)

jpwl_sens_size: i32

enables writing of ESD, (0=no/1/2 bytes)

jpwl_sens_addr: i32

sensitivity addressing size (0=auto/2/4 bytes)

jpwl_sens_range: i32

sensitivity range (0-3)

jpwl_sens_MH: i32

sensitivity method for MH (-1=no,0-7)

jpwl_sens_TPH_tileno: [i32; 16]

tile number of sensitivity specification (>=0)

jpwl_sens_TPH: [i32; 16]

sensitivity methods for TPHs (-1=no,0-7)

cp_cinema: CINEMA_MODE

DEPRECATED: use RSIZ, OPJ_PROFILE_* and MAX_COMP_SIZE instead Digital Cinema compliance 0-not compliant, 1-compliant

max_comp_size: i32

Maximum size (in bytes) for each component. If == 0, component size limitation is not considered

cp_rsiz: RSIZ_CAPABILITIES

DEPRECATED: use RSIZ, OPJ_PROFILE_* and OPJ_EXTENSION_* instead Profile name

tp_on: i8

Tile part generation

tp_flag: i8

Flag for Tile part generation

tcp_mct: i8

MCT (multiple component transform)

jpip_on: i32

Enable JPIP indexing

mct_data: *mut c_void

Naive implementation of MCT restricted to a single reversible array based encoding without offset concerning all the components.

max_cs_size: i32

Maximum size (in bytes) for the whole codestream. If == 0, codestream size limitation is not considered If it does not comply with tcp_rates, max_cs_size prevails and a warning is issued.

rsiz: u16

RSIZ value To be used to combine OPJ_PROFILE_, OPJ_EXTENSION_ and (sub)levels values.