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Added feature for generation of tile parts. Modifications in image_to_j2k.c, openjpeg.c, j2k.c, pi.c 

Added function j2k_write_tlm(),to generate TLM marker for a Digital cinema compliant codestream. Modifications in j2k.c.
This commit is contained in:
Parvatha Elangovan 2007-03-20 17:15:18 +00:00
parent 8bc6da2ffa
commit 694a173adb
15 changed files with 853 additions and 106 deletions
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4
ChangeLog
View File

@ -5,6 +5,10 @@ What's New for OpenJPEG
! : changed
+ : added
March 20, 2007
+ [Parvatha] Added feature for generation of tile parts. Modifications in image_to_j2k.c, openjpeg.c, j2k.c, pi.c
+ [Parvatha] Added function j2k_write_tlm(),to generate TLM marker for a Digital cinema compliant codestream. Modifications in j2k.c.
March 14, 2007
* [FOD] Fixed linux makefile, with help from David Fries and Guido

1
codec/convert.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

91
codec/image_to_j2k.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -414,41 +415,66 @@ char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_cparamet
}
void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
int i;
float temp_rate;
void cinema_parameters(opj_cparameters_t *parameters){
parameters->tile_size_on = false;
parameters->cp_tdx=1;
parameters->cp_tdy=1;
/*Tile part*/
parameters->tp_flag = 'C';
parameters->tp_on = 1;
/*Tile and Image shall be at (0,0)*/
parameters->cp_tx0=0; parameters->cp_ty0=0;
parameters->cp_tx0 = 0;
parameters->cp_ty0 = 0;
parameters->image_offset_x0 = 0;
parameters->image_offset_y0 = 0;
/*Codeblock size= 32*32*/
parameters->cblockw_init = 32;
parameters->cblockh_init = 32;
parameters->csty |= 0x01;
/*The progression order shall be CPRL*/
strncpy(parameters->cp_prog,"CPRL",4);
parameters->prog_order = give_progression(parameters->cp_prog);
/*Tile parts not implemented*/
parameters->prog_order = CPRL;
/* No ROI */
parameters->roi_compno = -1;
parameters->subsampling_dx = 1; parameters->subsampling_dy = 1;
}
void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
int i;
float temp_rate;
switch (parameters->cp_cinema){
case CINEMA2K_24:
case CINEMA2K_48:
parameters->cp_rsiz = CINEMA2K;
if(parameters->numresolution > 6){
parameters->numresolution = 6;
}
if (!((image->comps[0].w == 2048) & (image->comps[0].h == 1080))){
fprintf(stdout,"Image coordinates is not 2K, %d x %d\n",image->comps[0].w,image->comps[0].h);
}
break;
case CINEMA4K_24:
parameters->cp_rsiz = CINEMA4K;
if(parameters->numresolution < 1){
parameters->numresolution = 1;
}else if(parameters->numresolution > 7){
parameters->numresolution = 7;
}
if (!((image->comps[0].w == 4096) & (image->comps[0].h == 2160))){
fprintf(stdout,"Image coordinates is not 4K, %d x %d\n",image->comps[0].w,image->comps[0].h);
}
break;
}
switch (parameters->cp_cinema){
case CINEMA2K_24:
case CINEMA4K_24:
if (image->comps[0].w == 2048 || image->comps[0].h == 1080){
parameters->numresolution = 6;
parameters->cp_rsiz = CINEMA2K;
}else{
fprintf(stdout,"One of the image coordinates are not 2K\n");
}
for(i=0;i<parameters->tcp_numlayers;i++){
temp_rate = 0 ;
if (parameters->tcp_rates[i]== 0){
@ -466,13 +492,7 @@ void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
break;
case CINEMA2K_48:
if (image->comps[0].w == 4096 || image->comps[0].h == 2160){
parameters->numresolution = 7;
parameters->cp_rsiz= CINEMA4K;
}else{
fprintf(stdout,"One of the image coordinates are not 4K\n");
}
for(i=0;i<parameters->tcp_numlayers;i++){
for(i=0;i<parameters->tcp_numlayers;i++){
if (parameters->tcp_rates[i]== 0){
parameters->tcp_rates[0]= ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(CINEMA_48_CS * 8 * image->comps[0].dx * image->comps[0].dy);
@ -889,6 +909,15 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,i
}
break;
/* ------------------------------------------------------ */
case 'v': /* Tile part generation*/
{
parameters->tp_flag = optarg[0];
parameters->tp_on = 1;
}
break;
/* ------------------------------------------------------ */
case 'z': /* Image Directory path */
@ -1262,6 +1291,11 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,i
}
/* check for possible errors */
if (parameters->cp_cinema){
if(parameters->tcp_numlayers > 0){
fprintf(stdout,"Warning: DC profiles do not allow more than one quality layer. The codestream created will not be compliant with the DC profile\n");
}
}
if(img_fol->set_imgdir == 1){
if(!(parameters->infile[0] == 0)){
fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
@ -1369,6 +1403,11 @@ int main(int argc, char **argv) {
if(parse_cmdline_encoder(argc, argv, &parameters,&img_fol) == 1) {
return 0;
}
if (parameters.cp_cinema){
cinema_parameters(&parameters);
}
/* Create comment for codestream */
if(parameters.cp_comment == NULL) {
@ -1480,6 +1519,10 @@ int main(int argc, char **argv) {
break;
}
if(parameters.cp_cinema){
cinema_setup_encoder(&parameters,image);
}
/* encode the destination image */
/* ---------------------------- */
@ -1494,10 +1537,6 @@ int main(int argc, char **argv) {
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
if(parameters.cp_cinema){
cinema_setup_encoder(&parameters,image);
}
/* setup the encoder parameters using the current image and user parameters */
opj_setup_encoder(cinfo, &parameters, image);

1
codec/j2k_to_image.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

170
libopenjpeg/j2k.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -175,6 +176,11 @@ Read the PPT marker (packet packet headers, tile-part header)
*/
static void j2k_read_ppt(opj_j2k_t *j2k);
/**
Write the TLM marker (Mainheader)
@param j2k J2K handle
*/
static void j2k_write_tlm(opj_j2k_t *j2k);
/**
Write the SOT marker (start of tile-part)
@param j2k J2K handle
*/
@ -228,6 +234,28 @@ static void j2k_read_unk(opj_j2k_t *j2k);
/*@}*/
/* ----------------------------------------------------------------------- */
typedef struct j2k_prog_order{
OPJ_PROG_ORDER enum_prog;
char str_prog[4];
}j2k_prog_order_t;
j2k_prog_order_t j2k_prog_order_list[] = {
{CPRL, "CPRL"},
{LRCP, "LRCP"},
{PCRL, "PCRL"},
{RLCP, "RLCP"},
{RPCL, "RPCL"}
};
char *convert_progression_order(OPJ_PROG_ORDER prg_order){
j2k_prog_order_t *po;
for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
if(po->enum_prog == prg_order){
break;
}
}
return po->str_prog;
}
void j2k_dump_image(FILE *fd, opj_image_t * img) {
int compno;
@ -303,6 +331,58 @@ void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
}
/* ----------------------------------------------------------------------- */
int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
char *prog;
int i;
int tpnum=1,tpend=0;
opj_tcp_t *tcp = &cp->tcps[tileno];
prog = convert_progression_order(tcp->prg);
if(cp->tp_on == 1){
for(i=0;i<4;i++){
if(tpend!=1){
if( cp->tp_flag == prog[i] ){
tpend=1;cp->tp_pos=i;
}
switch(prog[i]){
case 'C':
tpnum= tpnum * tcp->pocs[pino].compE;
break;
case 'R':
tpnum= tpnum * tcp->pocs[pino].resE;
break;
case 'P':
tpnum= tpnum * tcp->pocs[pino].prcE;
break;
case 'L':
tpnum= tpnum * tcp->pocs[pino].layE;
break;
}
}
}
}else{
tpnum=1;
}
return tpnum;
}
/** mem allocation for TLM marker*/
int j2k_generate_tlm(opj_cp_t *cp,int img_numcomp,opj_image_t *image ){
int pino,tileno,maxres=0,totnum_tp=0;
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_t *tcp = &cp->tcps[tileno];
for(pino = 0; pino <= tcp->numpocs; pino++) {
int tp_num=0;
opj_pi_iterator_t *pi = (opj_pi_iterator_t *) opj_malloc(sizeof(opj_pi_iterator_t));
pi = pi_initialise_encode(image, cp, tileno,pino);
if(!pi) { return -1;}
tp_num = j2k_get_num_tp(cp,pino,tileno);
totnum_tp = totnum_tp + tp_num;
pi_destroy(pi, cp, tileno);
}
}
return totnum_tp;
}
static void j2k_write_soc(opj_j2k_t *j2k) {
opj_cio_t *cio = j2k->cio;
@ -1067,6 +1147,18 @@ static void j2k_read_ppt(opj_j2k_t *j2k) {
tcp->ppt_store = j;
}
static void j2k_write_tlm(opj_j2k_t *j2k){
int lenp;
opj_cio_t *cio = j2k->cio;
j2k->tlm_start = cio_tell(cio);
cio_write(cio, J2K_MS_TLM, 2);/* TLM */
lenp = 4 + (5*j2k->totnum_tp);
cio_write(cio,lenp,2); /* Ltlm */
cio_write(cio, 0,1); /* Ztlm=0*/
cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
cio_skip(cio,5*j2k->totnum_tp);
}
static void j2k_write_sot(opj_j2k_t *j2k) {
int lenp, len;
@ -1078,8 +1170,8 @@ static void j2k_write_sot(opj_j2k_t *j2k) {
cio_skip(cio, 2); /* Lsot (further) */
cio_write(cio, j2k->curtileno, 2); /* Isot */
cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
cio_write(cio, 0, 1); /* TPsot */
cio_write(cio, 1, 1); /* TNsot */
cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
cio_write(cio, j2k->cur_totnum_tp, 1); /* TNsot */
len = cio_tell(cio) - lenp;
cio_seek(cio, lenp);
cio_write(cio, len, 2); /* Lsot */
@ -1197,6 +1289,9 @@ static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
opj_cp_t *cp = j2k->cp;
opj_cio_t *cio = j2k->cio;
tcd->cur_tp_num = j2k->cur_tp_num;
tcd->cur_totnum_tp = j2k->cur_totnum_tp;
cio_write(cio, J2K_MS_SOD, 2);
if (j2k->curtileno == 0) {
@ -1225,6 +1320,13 @@ static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
cio_seek(cio, j2k->sot_start + 6);
cio_write(cio, totlen, 4);
cio_seek(cio, j2k->sot_start + totlen);
/* Writing Ttlm and Ptlm in TLM marker */
if(cp->cinema){
cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
cio_write(cio, j2k->curtileno, 1);
cio_write(cio, totlen, 4);
}
cio_seek(cio, j2k->sot_start + totlen);
}
static void j2k_read_sod(opj_j2k_t *j2k) {
@ -1827,6 +1929,11 @@ void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_
cp->tdy = image->y1 - cp->ty0;
}
if(parameters->tp_on){
cp->tp_flag = parameters->tp_flag;
cp->tp_on = 1;
}
cp->img_size = 0;
for(i=0;i<image->numcomps ;i++){
cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
@ -2289,6 +2396,14 @@ bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index)
/* <<UniPG */
j2k_write_cod(j2k);
j2k_write_qcd(j2k);
if(cp->cinema){
for (compno = 1; compno < image->numcomps; compno++) {
j2k_write_coc(j2k, compno);
j2k_write_qcc(j2k, compno);
}
}
for (compno = 0; compno < image->numcomps; compno++) {
opj_tcp_t *tcp = &cp->tcps[0];
if (tcp->tccps[compno].roishift)
@ -2303,12 +2418,23 @@ bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index)
}
/* << INDEX */
/* TLM Marker*/
if(cp->cinema){
j2k->totnum_tp = j2k_generate_tlm(cp,image->numcomps,image);
j2k_write_tlm(j2k);
}
/**** Main Header ENDS here ***/
/* create the tile encoder */
tcd = tcd_create(j2k->cinfo);
/* encode each tile */
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
int pino;
int tilepartno=0;
opj_tcp_t *tcp = &cp->tcps[tileno];
opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
j2k->curtileno = tileno;
@ -2327,18 +2453,36 @@ bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index)
}
/* << INDEX */
j2k_write_sot(j2k);
for (compno = 1; compno < image->numcomps; compno++) {
j2k_write_coc(j2k, compno);
j2k_write_qcc(j2k, compno);
}
if (cp->tcps[tileno].numpocs) {
j2k_write_poc(j2k);
}
for(pino = 0; pino <= tcp->numpocs; pino++) {
int tot_num_tp;
opj_pi_iterator_t *pi = NULL;
tcd->cur_pino=pino;
tcd->pi = pi_initialise_encode(image, cp, tileno,pino);
pi=tcd->pi;
/*Get number of tile parts*/
tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
tcd->tp_pos = cp->tp_pos;
j2k_write_sod(j2k, tcd);
for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
j2k->cur_tp_num = tilepartno;
j2k->cur_totnum_tp = tot_num_tp;
j2k_write_sot(j2k);
if(j2k->cur_tp_num == 0 && cp->cinema == 0){
for (compno = 1; compno < image->numcomps; compno++) {
j2k_write_coc(j2k, compno);
j2k_write_qcc(j2k, compno);
}
if (cp->tcps[tileno].numpocs) {
j2k_write_poc(j2k);
}
}
j2k_write_sod(j2k, tcd);
}
pi_destroy(pi, cp, tileno);
}
/* INDEX >> */
if(image_info && image_info->index_on) {
image_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;

27
libopenjpeg/j2k.h
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -193,6 +194,12 @@ typedef struct opj_cp {
int img_size;
/** Rsiz*/
OPJ_RSIZ_CAPABILITIES rsiz;
/** Enabling Tile part generation*/
char tp_on;
/** Flag determining tile part generation*/
char tp_flag;
/** Position of tile part flag in progression order*/
int tp_pos;
/** allocation by rate/distortion */
int disto_alloc;
/** allocation by fixed layer */
@ -384,6 +391,18 @@ typedef struct opj_j2k {
int state;
/** number of the tile curently concern by coding/decoding */
int curtileno;
/** Tilepart number currently coding*/
int cur_tp_num;
/** Total number of tileparts of the current tile*/
int cur_totnum_tp;
/**
locate the start position of the TLM marker
after encoding the tilepart, a jump (in j2k_write_sod) is done to the TLM marker to store the value of its length.
*/
int tlm_start;
/** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/
/** used in TLMmarker*/
int totnum_tp;
/**
locate the position of the end of the tile in the codestream,
used to detect a truncated codestream (in j2k_read_sod)
@ -474,6 +493,14 @@ Coding parameters are returned in j2k->cp.
*/
void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
/**
Converts an enum type progression order to string type
*/
char *convert_progression_order(OPJ_PROG_ORDER prg_order);
/**
Generates the number of tile parts for the current tile
*/
int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno);
/**
Encode an image into a JPEG-2000 codestream
@param j2k J2K compressor handle
@param cio Output buffer stream

2
libopenjpeg/openjpeg.c
View File

@ -231,7 +231,7 @@ void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *paramete
parameters->roi_compno = -1; /* no ROI */
parameters->subsampling_dx = 1;
parameters->subsampling_dy = 1;
parameters->tp_on = 0;
parameters->decod_format = -1;
parameters->cod_format = -1;
/* UniPG>> */

13
libopenjpeg/openjpeg.h
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -211,6 +212,12 @@ typedef struct opj_poc {
OPJ_PROG_ORDER prg;
int tile;
char progorder[4];
int txS,txE,tyS,tyE,dx,dy;
int tx0,tx1,ty0,ty1;
int layno0, precno0, precno1;
int layS, resS, compS, prcS;
int layE, resE, compE, prcE;
int lay_t, res_t, comp_t, prc_t,tx0_t,ty0_t;
} opj_poc_t;
/**
@ -219,10 +226,12 @@ Compression parameters
typedef struct opj_cparameters {
/** Digital Cinema compliance 0-not compliant, 1-compliant*/
OPJ_CINEMA_MODE cp_cinema;
/** Progression order*/
char cp_prog[4];
/** Profile name*/
OPJ_RSIZ_CAPABILITIES cp_rsiz;
/** Tile part generation*/
char tp_on;
/** Flag for Tile part generation*/
char tp_flag;
/** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
bool tile_size_on;
/** XTOsiz */

2
libopenjpeg/opj_includes.h
View File

@ -84,10 +84,10 @@ Most compilers implement their own version of this keyword ...
#include "raw.h"
#include "bio.h"
#include "tgt.h"
#include "pi.h"
#include "tcd.h"
#include "t1.h"
#include "dwt.h"
#include "pi.h"
#include "t2.h"
#include "mct.h"
#include "int.h"

506
libopenjpeg/pi.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -100,7 +101,10 @@ static bool pi_next_lrcp(opj_pi_iterator_t * pi) {
continue;
}
res = &comp->resolutions[pi->resno];
for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
if (!pi->tp_on){
pi->poc.precno1 = res->pw * res->ph;
}
for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
@ -136,7 +140,10 @@ static bool pi_next_rlcp(opj_pi_iterator_t * pi) {
continue;
}
res = &comp->resolutions[pi->resno];
for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
if(!pi->tp_on){
pi->poc.precno1 = res->pw * res->ph;
}
for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
@ -175,10 +182,15 @@ static bool pi_next_rpcl(opj_pi_iterator_t * pi) {
}
}
}
if (!pi->tp_on){
pi->poc.ty0 = pi->ty0;
pi->poc.tx0 = pi->tx0;
pi->poc.ty1 = pi->ty1;
pi->poc.tx1 = pi->tx1;
}
for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
int levelno;
int trx0, try0;
@ -254,9 +266,14 @@ static bool pi_next_pcrl(opj_pi_iterator_t * pi) {
}
}
}
for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
if (!pi->tp_on){
pi->poc.ty0 = pi->ty0;
pi->poc.tx0 = pi->tx0;
pi->poc.ty1 = pi->ty1;
pi->poc.tx1 = pi->tx1;
}
for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
comp = &pi->comps[pi->compno];
for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
@ -330,8 +347,14 @@ static bool pi_next_cprl(opj_pi_iterator_t * pi) {
pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
}
for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
if (!pi->tp_on){
pi->poc.ty0 = pi->ty0;
pi->poc.tx0 = pi->tx0;
pi->poc.ty1 = pi->ty1;
pi->poc.tx1 = pi->tx1;
}
for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
int levelno;
int trx0, try0;
@ -384,7 +407,7 @@ LABEL_SKIP:;
==========================================================
*/
opj_pi_iterator_t *pi_create(opj_image_t *image, opj_cp_t *cp, int tileno) {
opj_pi_iterator_t *pi_create_decode(opj_image_t *image, opj_cp_t *cp, int tileno) {
int p, q;
int compno, resno, pino;
opj_pi_iterator_t *pi = NULL;
@ -513,11 +536,163 @@ opj_pi_iterator_t *pi_create(opj_image_t *image, opj_cp_t *cp, int tileno) {
pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
pi[pino].poc.prg = tcp->pocs[pino].prg;
}
pi[pino].poc.layno0 = 0;
pi[pino].poc.precno0 = 0;
pi[pino].poc.precno1 = maxprec;
}
return pi;
}
opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, int pino){
int p, q;
int compno, resno;
int maxres = 0;
int maxprec = 0;
opj_pi_iterator_t *pi = NULL;
opj_tcp_t *tcp = NULL;
opj_tccp_t *tccp = NULL;
size_t array_size;
tcp = &cp->tcps[tileno];
array_size = (tcp->numpocs + 1) * sizeof(opj_pi_iterator_t);
pi = (opj_pi_iterator_t *) opj_malloc(array_size);
pi->tp_on = cp->tp_on;
if(!pi) { return NULL;}
p = tileno % cp->tw;
q = tileno / cp->tw;
pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
pi[pino].numcomps = image->numcomps;
array_size = image->numcomps * sizeof(opj_pi_comp_t);
pi[pino].comps = (opj_pi_comp_t *) opj_malloc(array_size);
if(!pi[pino].comps) {
pi_destroy(pi, cp, tileno);
return NULL;
}
memset(pi[pino].comps, 0, array_size);
for (compno = 0; compno < pi->numcomps; compno++) {
int tcx0, tcy0, tcx1, tcy1;
opj_pi_comp_t *comp = &pi[pino].comps[compno];
tccp = &tcp->tccps[compno];
comp->dx = image->comps[compno].dx;
comp->dy = image->comps[compno].dy;
comp->numresolutions = tccp->numresolutions;
array_size = comp->numresolutions * sizeof(opj_pi_resolution_t);
comp->resolutions = (opj_pi_resolution_t *) opj_malloc(array_size);
if(!comp->resolutions) {
pi_destroy(pi, cp, tileno);
return NULL;
}
tcx0 = int_ceildiv(pi->tx0, comp->dx);
tcy0 = int_ceildiv(pi->ty0, comp->dy);
tcx1 = int_ceildiv(pi->tx1, comp->dx);
tcy1 = int_ceildiv(pi->ty1, comp->dy);
if (comp->numresolutions > maxres) {
maxres = comp->numresolutions;
}
for (resno = 0; resno < comp->numresolutions; resno++) {
int levelno;
int rx0, ry0, rx1, ry1;
int px0, py0, px1, py1;
opj_pi_resolution_t *res = &comp->resolutions[resno];
if (tccp->csty & J2K_CCP_CSTY_PRT) {
res->pdx = tccp->prcw[resno];
res->pdy = tccp->prch[resno];
} else {
res->pdx = 15;
res->pdy = 15;
}
levelno = comp->numresolutions - 1 - resno;
rx0 = int_ceildivpow2(tcx0, levelno);
ry0 = int_ceildivpow2(tcy0, levelno);
rx1 = int_ceildivpow2(tcx1, levelno);
ry1 = int_ceildivpow2(tcy1, levelno);
px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
if (res->pw*res->ph > maxprec) {
maxprec = res->pw * res->ph;
}
}
}
tccp = &tcp->tccps[0];
pi[pino].step_p = 1;
pi[pino].step_c = maxprec * pi[pino].step_p;
pi[pino].step_r = image->numcomps * pi[pino].step_c;
pi[pino].step_l = maxres * pi[pino].step_r;
for (compno = 0; compno < pi->numcomps; compno++) {
opj_pi_comp_t *comp = &pi->comps[compno];
for (resno = 0; resno < comp->numresolutions; resno++) {
int dx, dy;
opj_pi_resolution_t *res = &comp->resolutions[resno];
dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
pi[pino].dx = !pi->dx ? dx : int_min(pi->dx, dx);
pi[pino].dy = !pi->dy ? dy : int_min(pi->dy, dy);
}
}
if (pino == 0) {
array_size = image->numcomps * maxres * tcp->numlayers * 100 * sizeof(short int);
pi[pino].include = (short int *) opj_malloc(array_size);
if(!pi[pino].include) {
pi_destroy(pi, cp, tileno);
return NULL;
}
}
else {
pi[pino].include = pi[pino - 1].include;
}
/* Generation of boundaries for each prog flag*/
if (tcp->POC == 1){
tcp->pocs[pino].compS= tcp->pocs[pino].compno0;
tcp->pocs[pino].compE= tcp->pocs[pino].compno1;
tcp->pocs[pino].resS = tcp->pocs[pino].resno0;
tcp->pocs[pino].resE = tcp->pocs[pino].resno1;
tcp->pocs[pino].layE = tcp->pocs[pino].layno1;
tcp->pocs[pino].prg = tcp->pocs[pino].prg;
}else {
tcp->pocs[pino].compS= 0;
tcp->pocs[pino].compE= image->numcomps;
tcp->pocs[pino].resS = 0;
tcp->pocs[pino].resE = maxres;
tcp->pocs[pino].layE = tcp->numlayers;
tcp->pocs[pino].prg = tcp->prg;
}
tcp->pocs[pino].layS = 0;
tcp->pocs[pino].prcS = 0;
tcp->pocs[pino].prcE = maxprec;;
tcp->pocs[pino].txS = pi[pino].tx0;
tcp->pocs[pino].txE = pi[pino].tx1;
tcp->pocs[pino].tyS = pi[pino].ty0;
tcp->pocs[pino].tyE = pi[pino].ty1;
tcp->pocs[pino].dx = pi[pino].dx;
tcp->pocs[pino].dy = pi[pino].dy;
return pi;
}
void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {
int compno, pino;
opj_tcp_t *tcp = &cp->tcps[tileno];
@ -559,3 +734,312 @@ bool pi_next(opj_pi_iterator_t * pi) {
return false;
}
int pi_check_next_level(int pos,opj_cp_t *cp,int tileno, int pino, char *prog){
int i,l;
opj_tcp_t *tcps =&cp->tcps[tileno];
opj_poc_t *tcp = &tcps->pocs[pino];
if(pos>=0){
for(i=pos;pos>=0;i--){
switch(prog[i]){
case 'R':
if(tcp->res_t==tcp->resE){
l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
if(l==1){
return 1;
}else{
return 0;
}
}else{
return 1;
}
break;
case 'C':
if(tcp->comp_t==tcp->compE){
l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
if(l==1){
return 1;
}else{
return 0;
}
}else{
return 1;
}
break;
case 'L':
if(tcp->lay_t==tcp->layE){
l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
if(l==1){
return 1;
}else{
return 0;
}
}else{
return 1;
}
break;
case 'P':
switch(tcp->prg){
case LRCP||RLCP:
if(tcp->prc_t == tcp->prcE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
return 1;
}else{
return 0;
}
}else{
return 1;
}
break;
default:
if(tcp->tx0_t == tcp->txE){
//TY
if(tcp->ty0_t == tcp->tyE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
return 1;
}else{
return 0;
}
}else{
return 1;
}//TY
}else{
return 1;
}
break;
}//end case P
}//end switch
}//end for
}//end if
return 0;
}
void pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos,char final_encoding) {
char *prog;
int i,l;
int incr_top=1,resetX=0;
opj_tcp_t *tcps =&cp->tcps[tileno];
opj_poc_t *tcp= &tcps->pocs[pino];
prog = convert_progression_order(tcp->prg);
pi[pino].first = 1;
pi[pino].poc.prg = tcp->prg;
if(!(cp->tp_on & final_encoding)){
pi[pino].poc.resno0 = tcp->resS;
pi[pino].poc.resno1 = tcp->resE;
pi[pino].poc.compno0 = tcp->compS;
pi[pino].poc.compno1 = tcp->compE;
pi[pino].poc.layno0 = tcp->layS;
pi[pino].poc.layno1 = tcp->layE;
pi[pino].poc.precno0 = tcp->prcS;
pi[pino].poc.precno1 = tcp->prcE;
pi[pino].poc.tx0 = tcp->txS;
pi[pino].poc.ty0 = tcp->tyS;
pi[pino].poc.tx1 = tcp->txE;
pi[pino].poc.ty1 = tcp->tyE;
}else {
for(i=tppos+1;i<4;i++){
switch(prog[i]){
case 'R':
pi[pino].poc.resno0 = tcp->resS;
pi[pino].poc.resno1 = tcp->resE;
break;
case 'C':
pi[pino].poc.compno0 = tcp->compS;
pi[pino].poc.compno1 = tcp->compE;
break;
case 'L':
pi[pino].poc.layno0 = tcp->layS;
pi[pino].poc.layno1 = tcp->layE;
break;
case 'P':
switch(tcp->prg){
case LRCP:
case RLCP:
pi[pino].poc.precno0 = tcp->prcS;
pi[pino].poc.precno1 = tcp->prcE;
break;
default:
pi[pino].poc.tx0 = tcp->txS;
pi[pino].poc.ty0 = tcp->tyS;
pi[pino].poc.tx1 = tcp->txE;
pi[pino].poc.ty1 = tcp->tyE;
break;
}
break;
}
}
if(tpnum==0){
for(i=tppos;i>=0;i--){
switch(prog[i]){
case 'C':
tcp->comp_t = tcp->compS;
pi[pino].poc.compno0 = tcp->comp_t;
pi[pino].poc.compno1 = tcp->comp_t+1;
tcp->comp_t+=1;
break;
case 'R':
tcp->res_t = tcp->resS;
pi[pino].poc.resno0 = tcp->res_t;
pi[pino].poc.resno1 = tcp->res_t+1;
tcp->res_t+=1;
break;
case 'L':
tcp->lay_t = tcp->layS;
pi[pino].poc.layno0 = tcp->lay_t;
pi[pino].poc.layno1 = tcp->lay_t+1;
tcp->lay_t+=1;
break;
case 'P':
switch(tcp->prg){
case LRCP:
case RLCP:
tcp->prc_t = tcp->prcS;
pi[pino].poc.precno0 = tcp->prc_t;
pi[pino].poc.precno1 = tcp->prc_t+1;
tcp->prc_t+=1;
break;
default:
tcp->tx0_t = tcp->txS;
tcp->ty0_t = tcp->tyS;
pi[pino].poc.tx0 = tcp->tx0_t;
pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
pi[pino].poc.ty0 = tcp->ty0_t;
pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
tcp->tx0_t = pi[pino].poc.tx1;
tcp->ty0_t = pi[pino].poc.ty1;
break;
}
break;
}
}
incr_top=1;
}else{
for(i=tppos;i>=0;i--){
if(incr_top==1){
switch(prog[i]){
case 'R':
if(tcp->res_t==tcp->resE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
tcp->res_t = tcp->resS;
pi[pino].poc.resno0 = tcp->res_t;
pi[pino].poc.resno1 = tcp->res_t+1;
tcp->res_t+=1;
incr_top=1;
}else{
incr_top=0;
}
}else{
pi[pino].poc.resno0 = tcp->res_t;
pi[pino].poc.resno1 = tcp->res_t+1;
tcp->res_t+=1;
incr_top=0;
}
break;
case 'C':
if(tcp->comp_t ==tcp->compE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
tcp->comp_t = tcp->compS;
pi[pino].poc.compno0 = tcp->comp_t;
pi[pino].poc.compno1 = tcp->comp_t+1;
tcp->comp_t+=1;
incr_top=1;
}else{
incr_top=0;
}
}else{
pi[pino].poc.compno0 = tcp->comp_t;
pi[pino].poc.compno1 = tcp->comp_t+1;
tcp->comp_t+=1;
incr_top=0;
}
break;
case 'L':
if(tcp->lay_t == tcp->layE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
tcp->lay_t = tcp->layS;
pi[pino].poc.layno0 = tcp->lay_t;
pi[pino].poc.layno1 = tcp->lay_t+1;
tcp->lay_t+=1;
incr_top=1;
}else{
incr_top=0;
}
}else{
pi[pino].poc.layno0 = tcp->lay_t;
pi[pino].poc.layno1 = tcp->lay_t+1;
tcp->lay_t+=1;
incr_top=0;
}
break;
case 'P':
switch(tcp->prg){
case LRCP:
case RLCP:
if(tcp->prc_t == tcp->prcE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
tcp->prc_t = tcp->prcS;
pi[pino].poc.precno0 = tcp->prc_t;
pi[pino].poc.precno1 = tcp->prc_t+1;
tcp->prc_t+=1;
incr_top=1;
}else{
incr_top=0;
}
}else{
pi[pino].poc.precno0 = tcp->prc_t;
pi[pino].poc.precno1 = tcp->prc_t+1;
tcp->prc_t+=1;
incr_top=0;
}
break;
default:
if(tcp->tx0_t >= tcp->txE){
if(tcp->ty0_t >= tcp->tyE){
l=pi_check_next_level(i-1,cp,tileno,pino,prog);
if(l==1){
tcp->ty0_t = tcp->tyS;
pi[pino].poc.ty0 = tcp->ty0_t;
pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
tcp->ty0_t = pi[pino].poc.ty1;
incr_top=1;resetX=1;
}else{
incr_top=0;resetX=0;
}
}else{
pi[pino].poc.ty0 = tcp->ty0_t;
pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
tcp->ty0_t = pi[pino].poc.ty1;
incr_top=0;resetX=1;
}
if(resetX==1){
tcp->tx0_t = tcp->txS;
pi[pino].poc.tx0 = tcp->tx0_t;
pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
tcp->tx0_t = pi[pino].poc.tx1;
}
}else{
pi[pino].poc.tx0 = tcp->tx0_t;
pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
tcp->tx0_t = pi[pino].poc.tx1;
incr_top=0;
}
break;
}
break;
}
}
}
}
}
}

25
libopenjpeg/pi.h
View File

@ -65,6 +65,8 @@ typedef struct opj_pi_comp {
Packet iterator
*/
typedef struct opj_pi_iterator {
/** Enabling Tile part generation*/
char tp_on;
/** precise if the packet has been already used (usefull for progression order change) */
short int *include;
/** layer step used to localize the packet in the include vector */
@ -99,14 +101,33 @@ typedef struct opj_pi_iterator {
/*@{*/
/* ----------------------------------------------------------------------- */
/**
Create a packet iterator
Create a packet iterator for Encoder
@param image Raw image for which the packets will be listed
@param cp Coding parameters
@param tileno Number that identifies the tile for which to list the packets
@return Returns a packet iterator that points to the first packet of the tile
@see pi_destroy
*/
opj_pi_iterator_t *pi_create(opj_image_t * image, opj_cp_t * cp, int tileno);
opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, int pino);
/**
Modify the packet iterator for enabling tile part generation
@param pi Handle to the packet iterator generated in pi_initialise_encode
@param cp Coding parameters
@param tileno Number that identifies the tile for which to list the packets
@param tpnum Tile part number of the current tile
@param tppos The position of the tile part flag in the progression order
@param final_encoding If 0 Create a new packet iterator which is destroyed at end of call,If 1 use the packet iterator previously generated.
*/
void pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos,char final_encoding);
/**
Create a packet iterator for Decoder
@param image Raw image for which the packets will be listed
@param cp Coding parameters
@param tileno Number that identifies the tile for which to list the packets
@return Returns a packet iterator that points to the first packet of the tile
@see pi_destroy
*/
opj_pi_iterator_t *pi_create_decode(opj_image_t * image, opj_cp_t * cp, int tileno);
/**
Destroy a packet iterator

72
libopenjpeg/t2.c
View File

@ -562,59 +562,59 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
/* ----------------------------------------------------------------------- */
int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info) {
int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info,opj_pi_iterator_t *tcd_pi,int tpnum, int tppos,int pino, char final_encoding){
unsigned char *c = dest;
int e = 0;
opj_pi_iterator_t *pi = NULL;
int pino;
opj_image_t *image = t2->image;
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(image, cp, tileno);
if(final_encoding == 0){
pi = pi_initialise_encode(image, cp, tileno,pino);
}else{
pi = tcd_pi;
}
if(!pi) {
/* TODO: throw an error */
return -999;
}
pi_create_encode(pi, cp,tileno,pino,tpnum,tppos,final_encoding);
if(image_info) {
image_info->num = 0;
}
for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
while (pi_next(&pi[pino])) {
if (pi[pino].layno < maxlayers) {
e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, image_info, tileno);
if (e == -999) {
break;
} else {
c += e;
}
/* INDEX >> */
if(image_info && image_info->index_on) {
if(image_info->index_write) {
opj_tile_info_t *info_TL = &image_info->tile[tileno];
opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
if (!image_info->num) {
info_PK->start_pos = info_TL->end_header + 1;
} else {
info_PK->start_pos = info_TL->packet[image_info->num - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
}
image_info->num++;
}
/* << INDEX */
while (pi_next(&pi[pino])) {
if (pi[pino].layno < maxlayers) {
e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, image_info, tileno);
if (e == -999) {
break;
} else {
c += e;
}
/* INDEX >> */
if(image_info && image_info->index_on) {
if(image_info->index_write) {
opj_tile_info_t *info_TL = &image_info->tile[tileno];
opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
if (!image_info->num) {
info_PK->start_pos = info_TL->end_header + 1;
} else {
info_PK->start_pos = info_TL->packet[image_info->num - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
}
image_info->num++;
}
/* << INDEX */
}
}
/* don't forget to release pi */
pi_destroy(pi, cp, tileno);
if(final_encoding == 0){
pi_destroy(pi, cp, tileno);
}
if (e == -999) {
return e;
}
@ -632,7 +632,7 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(image, cp, tileno);
pi = pi_create_decode(image, cp, tileno);
if(!pi) {
/* TODO: throw an error */
return -999;

3
libopenjpeg/t2.h
View File

@ -66,8 +66,7 @@ Encode the packets of a tile to a destination buffer
@param len the length of the destination buffer
@param image_info structure to create an index file
*/
int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info);
int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info,opj_pi_iterator_t *tcd_pi,int tpnum, int tppos,int pino,char final_encoding);
/**
Decode the packets of a tile from a source buffer
@param t2 T2 handle

32
libopenjpeg/tcd.c
View File

@ -5,6 +5,7 @@
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -1041,7 +1042,7 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_in
if (cp->fixed_quality) { /* fixed_quality */
if(cp->cinema){
l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info);
l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info,tcd->pi,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,0);
if (l == -999) {
lo = thresh;
continue;
@ -1064,7 +1065,7 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_in
lo = thresh;
}
} else {
l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info);
l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info,tcd->pi,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,0);
/* TODO: what to do with l ??? seek / tell ??? */
/* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
if (l == -999) {
@ -1122,6 +1123,8 @@ int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, op
tcd_tcp = tcd->tcp;
cp = tcd->cp;
encoding_time = opj_clock(); /* time needed to encode a tile */
if(tcd->cur_tp_num == 0){
/* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
if(image_info && image_info->index_on) {
opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
@ -1141,8 +1144,7 @@ int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, op
/* << INDEX */
/*---------------TILE-------------------*/
encoding_time = opj_clock(); /* time needed to encode a tile */
for (compno = 0; compno < tile->numcomps; compno++) {
int x, y;
@ -1218,7 +1220,7 @@ int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, op
/* Fixed layer allocation */
tcd_rateallocate_fixed(tcd);
}
}
/*--------------TIER2------------------*/
/* INDEX */
@ -1227,18 +1229,24 @@ int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, op
}
t2 = t2_create(tcd->cinfo, image, cp);
l = t2_encode_packets(t2, tileno, tile, tcd_tcp->numlayers, dest, len, image_info);
l = t2_encode_packets(t2,tileno, tile, tcd_tcp->numlayers, dest, len, image_info,tcd->pi,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,1);
t2_destroy(t2);
/*---------------CLEAN-------------------*/
encoding_time = opj_clock() - encoding_time;
opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", encoding_time);
/* cleaning memory */
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_free(tilec->data);
if(tcd->cur_totnum_tp > 1){
opj_event_msg(tcd->cinfo, EVT_INFO, "- Tile part num %d encoded in %f s\n", tcd->cur_tp_num,encoding_time);
}else{
opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", encoding_time);
}
if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
/* cleaning memory */
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_free(tilec->data);
}
}
return l;

10
libopenjpeg/tcd.h
View File

@ -158,6 +158,14 @@ typedef struct opj_tcd_image {
Tile coder/decoder
*/
typedef struct opj_tcd {
/** Position of the tilepart flag in Progression order*/
int tp_pos;
/** Current tile part number*/
int cur_tp_num;
/** Total number of tileparts of the current tile*/
int cur_totnum_tp;
/** Current Packet iterator number */
int cur_pino;
/** codec context */
opj_common_ptr cinfo;
@ -173,6 +181,8 @@ typedef struct opj_tcd {
opj_tcp_t *tcp;
/** current encoded/decoded tile */
int tcd_tileno;
/** Packet iterator*/
opj_pi_iterator_t *pi;
} opj_tcd_t;
/** @name Exported functions */