X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libopenjpeg%2Fpi.c;h=f601c7697bd9d05f75453b4c98594088739744ee;hb=2cd3f046e54cf1b68e95be88452eb74b4c81a879;hp=3a24eb147ea29a054880221c7622e079dfb87c6a;hpb=64c34e0d5260ef8e4dee4638458431aec0e1e614;p=openjpeg.git diff --git a/libopenjpeg/pi.c b/libopenjpeg/pi.c index 3a24eb14..f601c769 100644 --- a/libopenjpeg/pi.c +++ b/libopenjpeg/pi.c @@ -1,7 +1,11 @@ /* - * Copyright (c) 2001-2002, David Janssens - * Copyright (c) 2003-2004, Yannick Verschueren - * Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2007, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * 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 @@ -26,496 +30,1534 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include "pi.h" -#include "int.h" -#include -#include +#include "opj_includes.h" -/* - * Create a packet iterator. - * */ -pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno) -{ - int p, q, i; - int compno, resno, pino; - int maxres = 0; - pi_iterator_t *pi; - j2k_tcp_t *tcp; - j2k_tccp_t *tccp; - - tcp = &cp->tcps[tileno]; - pi = (pi_iterator_t *) malloc((tcp->numpocs + 1) * - sizeof(pi_iterator_t)); - - for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */ - p = tileno % cp->tw; - q = tileno / cp->tw; - - pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0); - pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0); - pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1); - pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1); - pi[pino].numcomps = img->numcomps; - pi[pino].comps = - (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t)); - - for (compno = 0; compno < pi->numcomps; compno++) { - int tcx0, tcy0, tcx1, tcy1; - pi_comp_t *comp = &pi[pino].comps[compno]; - tccp = &tcp->tccps[compno]; - comp->dx = img->comps[compno].dx; - comp->dy = img->comps[compno].dy; - comp->numresolutions = tccp->numresolutions; - comp->resolutions = - (pi_resolution_t *) malloc(comp->numresolutions * - sizeof(pi_resolution_t)); - 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; - pi_resolution_t *res = &comp->resolutions[resno]; - if (tccp->csty & J2K_CCP_CSTY_PRT) { - res->pdx = tccp->prcw[resno]; - res->pdy = tccp->prch[resno]; +/** @defgroup PI PI - Implementation of a packet iterator */ +/*@{*/ + +/** @name Local static functions */ +/*@{*/ + +/** +Get next packet in layer-resolution-component-precinct order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi); +/** +Get next packet in resolution-layer-component-precinct order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi); +/** +Get next packet in resolution-precinct-component-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi); +/** +Get next packet in precinct-component-resolution-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi); +/** +Get next packet in component-precinct-resolution-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static opj_bool pi_next_cprl(opj_pi_iterator_t * pi); + + + +/** + * Gets the encoding parameters needed to update the coding parameters and all the pocs. + * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well. + * the last parameter of the function should be an array of pointers of size nb components, each pointer leading + * to an area of size 4 * max_res. The data is stored inside this area with the following pattern : + * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ... + * + * @param p_image the image being encoded. + * @param p_cp the coding parameters. + * @param tileno the tile index of the tile being encoded. + * @param p_tx0 pointer that will hold the X0 parameter for the tile + * @param p_tx1 pointer that will hold the X1 parameter for the tile + * @param p_ty0 pointer that will hold the Y0 parameter for the tile + * @param p_ty1 pointer that will hold the Y1 parameter for the tile + * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile + * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile. + * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile. + * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile. + * @param p_resolutions pointer to an area corresponding to the one described above. + */ +void get_all_encoding_parameters( + const opj_image_t *p_image, + const opj_cp_v2_t *p_cp, + OPJ_UINT32 tileno, + OPJ_INT32 * p_tx0, + OPJ_INT32 * p_tx1, + OPJ_INT32 * p_ty0, + OPJ_INT32 * p_ty1, + OPJ_UINT32 * p_dx_min, + OPJ_UINT32 * p_dy_min, + OPJ_UINT32 * p_max_prec, + OPJ_UINT32 * p_max_res, + OPJ_UINT32 ** p_resolutions + ); + + +/** + * Allocates memory for a packet iterator. Data and data sizes are set by this operation. + * No other data is set. The include section of the packet iterator is not allocated. + * + * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant. + * @param p_cp the coding parameters. + * @param p_tile_no the index of the tile from which creating the packet iterator. + */ +opj_pi_iterator_t * pi_create( const opj_image_t *image, + const opj_cp_v2_t *cp, + OPJ_UINT32 tileno ); + +void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res); +void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res); + + +/*@}*/ + +/*@}*/ + +/* +========================================================== + local functions +========================================================== +*/ + +static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto LABEL_SKIP; } else { - res->pdx = 15; - res->pdy = 15; + pi->first = 0; } - 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 = (px1 - px0) >> res->pdx; - res->ph = (py1 - py0) >> res->pdy; - } - } - - tccp = &tcp->tccps[0]; - pi[pino].step_p = 1; - pi[pino].step_c = 100 * pi[pino].step_p; - pi[pino].step_r = img->numcomps * pi[pino].step_c; - pi[pino].step_l = maxres * pi[pino].step_r; - - if (pino == 0) { - pi[pino].include = - (short int *) malloc(img->numcomps * maxres * - tcp->numlayers * 100 * sizeof(short int)); - for (i = 0; i < img->numcomps * maxres * tcp->numlayers * 100; i++) - pi[pino].include[i] = 0; - } - /* pi[pino].include=(short int*)calloc(img->numcomps*maxres*tcp->numlayers*1000,sizeof(short int)); */ - else - pi[pino].include = pi[pino - 1].include; - - if (tcp->POC == 0) { - pi[pino].first = 1; - pi[pino].poc.resno0 = 0; - pi[pino].poc.compno0 = 0; - pi[pino].poc.layno1 = tcp->numlayers; - pi[pino].poc.resno1 = maxres; - pi[pino].poc.compno1 = img->numcomps; - pi[pino].poc.prg = tcp->prg; - } else { - pi[pino].first = 1; - pi[pino].poc.resno0 = tcp->pocs[pino].resno0; - pi[pino].poc.compno0 = tcp->pocs[pino].compno0; - pi[pino].poc.layno1 = tcp->pocs[pino].layno1; - pi[pino].poc.resno1 = tcp->pocs[pino].resno1; - pi[pino].poc.compno1 = tcp->pocs[pino].compno1; - pi[pino].poc.prg = tcp->pocs[pino].prg; - } - } - return pi; + + for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) { + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; + pi->resno++) { + for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) { + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + 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; + return OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + + return OPJ_FALSE; } -/* - * Get next packet in layer-resolution-component-precinct order. - * - * pi: packet iterator to modify - * */ -int pi_next_lrcp(pi_iterator_t * pi) -{ - pi_comp_t *comp; - pi_resolution_t *res; - - if (!pi->first) { - comp = &pi->comps[pi->compno]; - res = &comp->resolutions[pi->resno]; - goto skip; - } else { - pi->first = 0; - } - for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { - for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; - pi->resno++) { - for (pi->compno = pi->poc.compno0; - pi->compno < pi->poc.compno1; pi->compno++) { - comp = &pi->comps[pi->compno]; - if (pi->resno >= comp->numresolutions) { - continue; +static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto LABEL_SKIP; + } else { + pi->first = 0; } - res = &comp->resolutions[pi->resno]; - for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) { - if (!pi-> - include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + pi->precno * pi->step_p]) { - pi->include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p] = 1; - return 1; - } - skip:; + + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { + for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) { + for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) { + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + 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; + return OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } } - } - } - } - return 0; + + return OPJ_FALSE; } -/* - * Get next packet in resolution-layer-component-precinct order. - * - * pi: packet iterator to modify - * */ -int pi_next_rlcp(pi_iterator_t * pi) +static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + goto LABEL_SKIP; + } else { + int compno, resno; + pi->first = 0; + pi->dx = 0; + pi->dy = 0; + for (compno = 0; compno < pi->numcomps; compno++) { + comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + 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->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + } + } +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->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; + int trx1, try1; + int rpx, rpy; + int prci, prcj; + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) + - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) { + 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; + return OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto LABEL_SKIP; + } else { + int compno, resno; + pi->first = 0; + pi->dx = 0; + pi->dy = 0; + for (compno = 0; compno < pi->numcomps; compno++) { + comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + 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->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + } + } + 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++) { + int levelno; + int trx0, try0; + int trx1, try1; + int rpx, rpy; + int prci, prcj; + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) + - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) { + 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; + return OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +static opj_bool pi_next_cprl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto LABEL_SKIP; + } else { + pi->first = 0; + } + + for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) { + int resno; + comp = &pi->comps[pi->compno]; + pi->dx = 0; + pi->dy = 0; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + 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->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + 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; + int trx1, try1; + int rpx, rpy; + int prci, prcj; + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) + - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) { + 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; + return OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +/* +========================================================== + Packet iterator interface +========================================================== +*/ + +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; + opj_tcp_t *tcp = NULL; + opj_tccp_t *tccp = NULL; + + tcp = &cp->tcps[tileno]; + + pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t)); + if(!pi) { + /* TODO: throw an error */ + return NULL; + } + + for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */ + int maxres = 0; + int maxprec = 0; + 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; + + pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t)); + if(!pi[pino].comps) { + /* TODO: throw an error */ + pi_destroy(pi, cp, tileno); + return NULL; + } + + 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; + + comp->resolutions = (opj_pi_resolution_t*) opj_calloc(comp->numresolutions, sizeof(opj_pi_resolution_t)); + if(!comp->resolutions) { + /* TODO: throw an error */ + 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; + + if (pino == 0) { + pi[pino].include = (short int*) opj_calloc(image->numcomps * maxres * tcp->numlayers * maxprec, sizeof(short int)); + if(!pi[pino].include) { + /* TODO: throw an error */ + pi_destroy(pi, cp, tileno); + return NULL; + } + } + else { + pi[pino].include = pi[pino - 1].include; + } + + if (tcp->POC == 0) { + pi[pino].first = 1; + pi[pino].poc.resno0 = 0; + pi[pino].poc.compno0 = 0; + pi[pino].poc.layno1 = tcp->numlayers; + pi[pino].poc.resno1 = maxres; + pi[pino].poc.compno1 = image->numcomps; + pi[pino].poc.prg = tcp->prg; + } else { + pi[pino].first = 1; + pi[pino].poc.resno0 = tcp->pocs[pino].resno0; + pi[pino].poc.compno0 = tcp->pocs[pino].compno0; + pi[pino].poc.layno1 = tcp->pocs[pino].layno1; + pi[pino].poc.resno1 = tcp->pocs[pino].resno1; + 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_create_decode_v2( opj_image_t *p_image, + opj_cp_v2_t *p_cp, + OPJ_UINT32 p_tile_no + ) { - pi_comp_t *comp; - pi_resolution_t *res; - if (!pi->first) { - comp = &pi->comps[pi->compno]; - res = &comp->resolutions[pi->resno]; - goto skip; - } else { - pi->first = 0; - } - for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { - for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { - for (pi->compno = pi->poc.compno0; - pi->compno < pi->poc.compno1; pi->compno++) { - comp = &pi->comps[pi->compno]; - if (pi->resno >= comp->numresolutions) { - continue; + // loop + OPJ_UINT32 pino; + OPJ_UINT32 compno, resno; + + // to store w, h, dx and dy fro all components and resolutions + OPJ_UINT32 * l_tmp_data; + OPJ_UINT32 ** l_tmp_ptr; + + // encoding prameters to set + OPJ_UINT32 l_max_res; + OPJ_UINT32 l_max_prec; + OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1; + OPJ_UINT32 l_dx_min,l_dy_min; + OPJ_UINT32 l_bound; + OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ; + OPJ_UINT32 l_data_stride; + + // pointers + opj_pi_iterator_t *l_pi = 00; + opj_tcp_v2_t *l_tcp = 00; + const opj_tccp_t *l_tccp = 00; + opj_pi_comp_t *l_current_comp = 00; + opj_image_comp_t * l_img_comp = 00; + opj_pi_iterator_t * l_current_pi = 00; + OPJ_UINT32 * l_encoding_value_ptr = 00; + + // preconditions in debug + assert(p_cp != 00); + assert(p_image != 00); + assert(p_tile_no < p_cp->tw * p_cp->th); + + // initializations + l_tcp = &p_cp->tcps[p_tile_no]; + l_bound = l_tcp->numpocs+1; + + l_data_stride = 4 * J2K_MAXRLVLS; + l_tmp_data = (OPJ_UINT32*)opj_malloc( + l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32)); + if + (! l_tmp_data) + { + return 00; + } + l_tmp_ptr = (OPJ_UINT32**)opj_malloc( + p_image->numcomps * sizeof(OPJ_UINT32 *)); + if + (! l_tmp_ptr) + { + opj_free(l_tmp_data); + return 00; + } + + // memory allocation for pi + l_pi = pi_create(p_image, p_cp, p_tile_no); + if (!l_pi) { + opj_free(l_tmp_data); + opj_free(l_tmp_ptr); + return 00; + } + + l_encoding_value_ptr = l_tmp_data; + // update pointer array + for + (compno = 0; compno < p_image->numcomps; ++compno) + { + l_tmp_ptr[compno] = l_encoding_value_ptr; + l_encoding_value_ptr += l_data_stride; + } + // get encoding parameters + get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr); + + // step calculations + l_step_p = 1; + l_step_c = l_max_prec * l_step_p; + l_step_r = p_image->numcomps * l_step_c; + l_step_l = l_max_res * l_step_r; + + // set values for first packet iterator + l_current_pi = l_pi; + + // memory allocation for include + l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16)); + if + (!l_current_pi->include) + { + opj_free(l_tmp_data); + opj_free(l_tmp_ptr); + pi_destroy_v2(l_pi, l_bound); + return 00; + } + memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16)); + + // special treatment for the first packet iterator + l_current_comp = l_current_pi->comps; + l_img_comp = p_image->comps; + l_tccp = l_tcp->tccps; + + l_current_pi->tx0 = l_tx0; + l_current_pi->ty0 = l_ty0; + l_current_pi->tx1 = l_tx1; + l_current_pi->ty1 = l_ty1; + + //l_current_pi->dx = l_img_comp->dx; + //l_current_pi->dy = l_img_comp->dy; + + l_current_pi->step_p = l_step_p; + l_current_pi->step_c = l_step_c; + l_current_pi->step_r = l_step_r; + l_current_pi->step_l = l_step_l; + + /* allocation for components and number of components has already been calculated by pi_create */ + for + (compno = 0; compno < l_current_pi->numcomps; ++compno) + { + opj_pi_resolution_t *l_res = l_current_comp->resolutions; + l_encoding_value_ptr = l_tmp_ptr[compno]; + + l_current_comp->dx = l_img_comp->dx; + l_current_comp->dy = l_img_comp->dy; + /* resolutions have already been initialized */ + for + (resno = 0; resno < l_current_comp->numresolutions; resno++) + { + l_res->pdx = *(l_encoding_value_ptr++); + l_res->pdy = *(l_encoding_value_ptr++); + l_res->pw = *(l_encoding_value_ptr++); + l_res->ph = *(l_encoding_value_ptr++); + ++l_res; + } + ++l_current_comp; + ++l_img_comp; + ++l_tccp; + } + ++l_current_pi; + + for + (pino = 1 ; pinocomps; + opj_image_comp_t * l_img_comp = p_image->comps; + l_tccp = l_tcp->tccps; + + l_current_pi->tx0 = l_tx0; + l_current_pi->ty0 = l_ty0; + l_current_pi->tx1 = l_tx1; + l_current_pi->ty1 = l_ty1; + //l_current_pi->dx = l_dx_min; + //l_current_pi->dy = l_dy_min; + l_current_pi->step_p = l_step_p; + l_current_pi->step_c = l_step_c; + l_current_pi->step_r = l_step_r; + l_current_pi->step_l = l_step_l; + + /* allocation for components and number of components has already been calculated by pi_create */ + for + (compno = 0; compno < l_current_pi->numcomps; ++compno) + { + opj_pi_resolution_t *l_res = l_current_comp->resolutions; + l_encoding_value_ptr = l_tmp_ptr[compno]; + + l_current_comp->dx = l_img_comp->dx; + l_current_comp->dy = l_img_comp->dy; + /* resolutions have already been initialized */ + for + (resno = 0; resno < l_current_comp->numresolutions; resno++) + { + l_res->pdx = *(l_encoding_value_ptr++); + l_res->pdy = *(l_encoding_value_ptr++); + l_res->pw = *(l_encoding_value_ptr++); + l_res->ph = *(l_encoding_value_ptr++); + ++l_res; + } + ++l_current_comp; + ++l_img_comp; + ++l_tccp; + } + // special treatment + l_current_pi->include = (l_current_pi-1)->include; + ++l_current_pi; + } + opj_free(l_tmp_data); + l_tmp_data = 00; + opj_free(l_tmp_ptr); + l_tmp_ptr = 00; + if + (l_tcp->POC) + { + pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res); + } + else + { + pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res); + } + return l_pi; +} + +opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){ + int p, q, pino; + 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; + + tcp = &cp->tcps[tileno]; + + pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t)); + if(!pi) { return NULL;} + pi->tp_on = cp->tp_on; + + for(pino = 0;pino < tcp->numpocs+1 ; pino ++){ + 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; + + pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t)); + if(!pi[pino].comps) { + pi_destroy(pi, cp, tileno); + return NULL; + } + + for (compno = 0; compno < pi[pino].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; + + comp->resolutions = (opj_pi_resolution_t*) opj_malloc(comp->numresolutions * sizeof(opj_pi_resolution_t)); + if(!comp->resolutions) { + pi_destroy(pi, cp, tileno); + return NULL; + } + + tcx0 = int_ceildiv(pi[pino].tx0, comp->dx); + tcy0 = int_ceildiv(pi[pino].ty0, comp->dy); + tcx1 = int_ceildiv(pi[pino].tx1, comp->dx); + tcy1 = int_ceildiv(pi[pino].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) { + pi[pino].include = (short int*) opj_calloc(tcp->numlayers * pi[pino].step_l, sizeof(short int)); + 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 && ( cp->cinema || ((!cp->cinema) && (t2_mode == FINAL_PASS)))){ + 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].prg1; + if (pino > 0) + tcp->pocs[pino].layS = (tcp->pocs[pino].layE > tcp->pocs[pino - 1].layE) ? tcp->pocs[pino - 1].layE : 0; + }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].layS = 0; + tcp->pocs[pino].layE = tcp->numlayers; + tcp->pocs[pino].prg = tcp->prg; + } + 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]; + if(pi) { + for (pino = 0; pino < tcp->numpocs + 1; pino++) { + if(pi[pino].comps) { + for (compno = 0; compno < pi->numcomps; compno++) { + opj_pi_comp_t *comp = &pi[pino].comps[compno]; + if(comp->resolutions) { + opj_free(comp->resolutions); + } + } + opj_free(pi[pino].comps); + } + } + if(pi->include) { + opj_free(pi->include); + } + opj_free(pi); + } +} + +opj_bool pi_next(opj_pi_iterator_t * pi) { + switch (pi->poc.prg) { + case LRCP: + return pi_next_lrcp(pi); + case RLCP: + return pi_next_rlcp(pi); + case RPCL: + return pi_next_rpcl(pi); + case PCRL: + return pi_next_pcrl(pi); + case CPRL: + return pi_next_cprl(pi); + case PROG_UNKNOWN: + return OPJ_FALSE; } - res = &comp->resolutions[pi->resno]; - for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) { - if (!pi-> - include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + pi->precno * pi->step_p]) { - pi->include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p] = 1; - return 1; - } - skip:; + + return OPJ_FALSE; +} + +opj_bool pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp){ + char prog[4]; + int i; + int incr_top=1,resetX=0; + opj_tcp_t *tcps =&cp->tcps[tileno]; + opj_poc_t *tcp= &tcps->pocs[pino]; + + pi[pino].first = 1; + pi[pino].poc.prg = tcp->prg; + + switch(tcp->prg){ + case CPRL: strncpy(prog, "CPRL",4); + break; + case LRCP: strncpy(prog, "LRCP",4); + break; + case PCRL: strncpy(prog, "PCRL",4); + break; + case RLCP: strncpy(prog, "RLCP",4); + break; + case RPCL: strncpy(prog, "RPCL",4); + break; + case PROG_UNKNOWN: + return OPJ_TRUE; } - } - } - } - return 0; + + if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){ + 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 { + if( tpnum < cur_totnum_tp){ + for(i=3;i>=0;i--){ + switch(prog[i]){ + case 'C': + if (i > tppos){ + pi[pino].poc.compno0 = tcp->compS; + pi[pino].poc.compno1 = tcp->compE; + }else{ + if (tpnum == 0){ + tcp->comp_t = tcp->compS; + pi[pino].poc.compno0 = tcp->comp_t; + pi[pino].poc.compno1 = tcp->comp_t+1; + tcp->comp_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->comp_t ==tcp->compE){ + 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{ + pi[pino].poc.compno0 = tcp->comp_t; + pi[pino].poc.compno1 = tcp->comp_t+1; + tcp->comp_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.compno0 = tcp->comp_t-1; + pi[pino].poc.compno1 = tcp->comp_t; + } + } + } + break; + + case 'R': + if (i > tppos){ + pi[pino].poc.resno0 = tcp->resS; + pi[pino].poc.resno1 = tcp->resE; + }else{ + if (tpnum == 0){ + tcp->res_t = tcp->resS; + pi[pino].poc.resno0 = tcp->res_t; + pi[pino].poc.resno1 = tcp->res_t+1; + tcp->res_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->res_t==tcp->resE){ + 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{ + pi[pino].poc.resno0 = tcp->res_t; + pi[pino].poc.resno1 = tcp->res_t+1; + tcp->res_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.resno0 = tcp->res_t - 1; + pi[pino].poc.resno1 = tcp->res_t; + } + } + } + break; + + case 'L': + if (i > tppos){ + pi[pino].poc.layno0 = tcp->layS; + pi[pino].poc.layno1 = tcp->layE; + }else{ + if (tpnum == 0){ + tcp->lay_t = tcp->layS; + pi[pino].poc.layno0 = tcp->lay_t; + pi[pino].poc.layno1 = tcp->lay_t+1; + tcp->lay_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->lay_t == tcp->layE){ + 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{ + pi[pino].poc.layno0 = tcp->lay_t; + pi[pino].poc.layno1 = tcp->lay_t+1; + tcp->lay_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.layno0 = tcp->lay_t - 1; + pi[pino].poc.layno1 = tcp->lay_t; + } + } + } + break; + + case 'P': + switch(tcp->prg){ + case LRCP: + case RLCP: + if (i > tppos){ + pi[pino].poc.precno0 = tcp->prcS; + pi[pino].poc.precno1 = tcp->prcE; + }else{ + if (tpnum == 0){ + tcp->prc_t = tcp->prcS; + pi[pino].poc.precno0 = tcp->prc_t; + pi[pino].poc.precno1 = tcp->prc_t+1; + tcp->prc_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->prc_t == tcp->prcE){ + 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{ + pi[pino].poc.precno0 = tcp->prc_t; + pi[pino].poc.precno1 = tcp->prc_t+1; + tcp->prc_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.precno0 = tcp->prc_t - 1; + pi[pino].poc.precno1 = tcp->prc_t; + } + } + } + break; + default: + if (i > tppos){ + 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{ + if (tpnum == 0){ + 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; + }else{ + if (incr_top == 1){ + if(tcp->tx0_t >= tcp->txE){ + if(tcp->ty0_t >= tcp->tyE){ + 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{ + 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; + pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy); + pi[pino].poc.ty1 = tcp->ty0_t ; + incr_top=0; + } + }else{ + pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx); + pi[pino].poc.tx1 = tcp->tx0_t ; + pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy); + pi[pino].poc.ty1 = tcp->ty0_t ; + } + } + } + break; + } + break; + } + } + } + } + return OPJ_FALSE; } -/* - * Get next packet in resolution-precinct-component-layer order. + + +/** + * Gets the encoding parameters needed to update the coding parameters and all the pocs. + * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well. + * the last parameter of the function should be an array of pointers of size nb components, each pointer leading + * to an area of size 4 * max_res. The data is stored inside this area with the following pattern : + * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ... * - * pi: packet iterator to modify - * */ -int pi_next_rpcl(pi_iterator_t * pi) + * @param p_image the image being encoded. + * @param p_cp the coding parameters. + * @param tileno the tile index of the tile being encoded. + * @param p_tx0 pointer that will hold the X0 parameter for the tile + * @param p_tx1 pointer that will hold the X1 parameter for the tile + * @param p_ty0 pointer that will hold the Y0 parameter for the tile + * @param p_ty1 pointer that will hold the Y1 parameter for the tile + * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile + * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile. + * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile. + * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile. + * @param p_resolutions pointer to an area corresponding to the one described above. + */ +void get_all_encoding_parameters( + const opj_image_t *p_image, + const opj_cp_v2_t *p_cp, + OPJ_UINT32 tileno, + OPJ_INT32 * p_tx0, + OPJ_INT32 * p_tx1, + OPJ_INT32 * p_ty0, + OPJ_INT32 * p_ty1, + OPJ_UINT32 * p_dx_min, + OPJ_UINT32 * p_dy_min, + OPJ_UINT32 * p_max_prec, + OPJ_UINT32 * p_max_res, + OPJ_UINT32 ** p_resolutions + ) { - pi_comp_t *comp; - pi_resolution_t *res; - if (!pi->first) { - goto skip; - } else { - int compno, resno; - pi->first = 0; - pi->dx = 0; - pi->dy = 0; - for (compno = 0; compno < pi->numcomps; compno++) { - comp = &pi->comps[compno]; - for (resno = 0; resno < comp->numresolutions; resno++) { - int dx, dy; - 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->dx = !pi->dx ? dx : int_min(pi->dx, dx); - pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); - } - } - } - 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->compno = pi->poc.compno0; - pi->compno < pi->poc.compno1; pi->compno++) { - int levelno; - int trx0, try0; - int rpx, rpy; - int prci, prcj; - comp = &pi->comps[pi->compno]; - if (pi->resno >= comp->numresolutions) { - continue; - } - res = &comp->resolutions[pi->resno]; - levelno = comp->numresolutions - 1 - pi->resno; - trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); - try0 = int_ceildiv(pi->ty0, comp->dy << levelno); - rpx = res->pdx + levelno; - rpy = res->pdy + levelno; - if (! - (pi->x % (comp->dx << rpx) == 0 - || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { - continue; - } - if (! - (pi->y % (comp->dy << rpy) == 0 - || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { - continue; - } - prci = - int_floordivpow2(int_ceildiv - (pi->x, comp->dx << levelno), - res->pdx) - int_floordivpow2(trx0, res->pdx); - prcj = - int_floordivpow2(int_ceildiv - (pi->y, comp->dy << levelno), - res->pdy) - int_floordivpow2(try0, res->pdy); - pi->precno = prci + prcj * res->pw; - for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { - if (!pi-> - include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p]) { - pi->include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p] = 1; - return 1; - } - skip:; - } + // loop + OPJ_UINT32 compno, resno; + + // pointers + const opj_tcp_v2_t *tcp = 00; + const opj_tccp_t * l_tccp = 00; + const opj_image_comp_t * l_img_comp = 00; + + // to store l_dx, l_dy, w and h for each resolution and component. + OPJ_UINT32 * lResolutionPtr; + + // position in x and y of tile + OPJ_UINT32 p, q; + + // preconditions in debug + assert(p_cp != 00); + assert(p_image != 00); + assert(tileno < p_cp->tw * p_cp->th); + + // initializations + tcp = &p_cp->tcps [tileno]; + l_tccp = tcp->tccps; + l_img_comp = p_image->comps; + + // position in x and y of tile + + p = tileno % p_cp->tw; + q = tileno / p_cp->tw; + + /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */ + *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0); + *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1); + *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0); + *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1); + + // max precision and resolution is 0 (can only grow) + *p_max_prec = 0; + *p_max_res = 0; + + // take the largest value for dx_min and dy_min + *p_dx_min = 0x7fffffff; + *p_dy_min = 0x7fffffff; + + for + (compno = 0; compno < p_image->numcomps; ++compno) + { + // aritmetic variables to calculate + OPJ_UINT32 l_level_no; + OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1; + OPJ_INT32 l_px0, l_py0, l_px1, py1; + OPJ_UINT32 l_product; + OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1; + OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph; + + lResolutionPtr = p_resolutions[compno]; + + l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx); + l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy); + l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx); + l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy); + if + (l_tccp->numresolutions > *p_max_res) + { + *p_max_res = l_tccp->numresolutions; + } + + // use custom size for precincts + l_level_no = l_tccp->numresolutions - 1; + for + (resno = 0; resno < l_tccp->numresolutions; ++resno) + { + OPJ_UINT32 l_dx, l_dy; + // precinct width and height + l_pdx = l_tccp->prcw[resno]; + l_pdy = l_tccp->prch[resno]; + *lResolutionPtr++ = l_pdx; + *lResolutionPtr++ = l_pdy; + l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no)); + l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no)); + // take the minimum size for l_dx for each comp and resolution + *p_dx_min = int_min(*p_dx_min, l_dx); + *p_dy_min = int_min(*p_dy_min, l_dy); + // various calculations of extents + + l_rx0 = int_ceildivpow2(l_tcx0, l_level_no); + l_ry0 = int_ceildivpow2(l_tcy0, l_level_no); + l_rx1 = int_ceildivpow2(l_tcx1, l_level_no); + l_ry1 = int_ceildivpow2(l_tcy1, l_level_no); + l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx; + l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy; + l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx; + py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy; + l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx); + l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy); + *lResolutionPtr++ = l_pw; + *lResolutionPtr++ = l_ph; + l_product = l_pw * l_ph; + // update precision + if + (l_product > *p_max_prec) + { + *p_max_prec = l_product; + } + --l_level_no; + } + ++l_tccp; + ++l_img_comp; } - } - } - } - return 0; } -/* - * Get next packet in precinct-component-resolution-layer order. +/** + * Allocates memory for a packet iterator. Data and data sizes are set by this operation. + * No other data is set. The include section of the packet iterator is not allocated. * - * pi: packet iterator to modify - * */ -int pi_next_pcrl(pi_iterator_t * pi) + * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant. + * @param p_cp the coding parameters. + * @param p_tile_no the index of the tile from which creating the packet iterator. + */ +opj_pi_iterator_t * pi_create( const opj_image_t *image, + const opj_cp_v2_t *cp, + OPJ_UINT32 tileno ) { - pi_comp_t *comp; - pi_resolution_t *res; - if (!pi->first) { - comp = &pi->comps[pi->compno]; - goto skip; - } else { - int compno, resno; - pi->first = 0; - pi->dx = 0; - pi->dy = 0; - for (compno = 0; compno < pi->numcomps; compno++) { - comp = &pi->comps[compno]; - for (resno = 0; resno < comp->numresolutions; resno++) { - int dx, dy; - 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->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)) { - 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++) { - int levelno; - int trx0, try0; - int rpx, rpy; - int prci, prcj; - res = &comp->resolutions[pi->resno]; - levelno = comp->numresolutions - 1 - pi->resno; - trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); - try0 = int_ceildiv(pi->ty0, comp->dy << levelno); - rpx = res->pdx + levelno; - rpy = res->pdy + levelno; - if (! - (pi->x % (comp->dx << rpx) == 0 - || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { - continue; - } - if (! - (pi->y % (comp->dy << rpy) == 0 - || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { - continue; - } - prci = - int_floordivpow2(int_ceildiv - (pi->x, comp->dx << levelno), - res->pdx) - int_floordivpow2(trx0, res->pdx); - prcj = - int_floordivpow2(int_ceildiv - (pi->y, comp->dy << levelno), - res->pdy) - int_floordivpow2(try0, res->pdy); - pi->precno = prci + prcj * res->pw; - for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { - if (!pi-> - include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p]) { - pi->include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p] = 1; - return 1; - } - skip:; - } + // loop + OPJ_UINT32 pino, compno; + // number of poc in the p_pi + OPJ_UINT32 l_poc_bound; + + // pointers to tile coding parameters and components. + opj_pi_iterator_t *l_pi = 00; + opj_tcp_v2_t *tcp = 00; + const opj_tccp_t *tccp = 00; + + // current packet iterator being allocated + opj_pi_iterator_t *l_current_pi = 00; + + // preconditions in debug + assert(cp != 00); + assert(image != 00); + assert(tileno < cp->tw * cp->th); + + // initializations + tcp = &cp->tcps[tileno]; + l_poc_bound = tcp->numpocs+1; + + // memory allocations + l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t)); + if (!l_pi) { + return NULL; + } + memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t)); + + l_current_pi = l_pi; + for (pino = 0; pino < l_poc_bound ; ++pino) { + + l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t)); + if (! l_current_pi->comps) { + pi_destroy_v2(l_pi, l_poc_bound); + return NULL; + } + + l_current_pi->numcomps = image->numcomps; + memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t)); + + for (compno = 0; compno < image->numcomps; ++compno) { + opj_pi_comp_t *comp = &l_current_pi->comps[compno]; + + tccp = &tcp->tccps[compno]; + + comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t)); + if (!comp->resolutions) { + pi_destroy_v2(l_pi, l_poc_bound); + return 00; + } + + comp->numresolutions = tccp->numresolutions; + memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t)); + } + ++l_current_pi; } - } - } - } - return 0; + return l_pi; } -/* - * Get next packet in component-precinct-resolution-layer order. + + +/** + * Destroys a packet iterator array. * - * pi: packet iterator to modify - * */ -int pi_next_cprl(pi_iterator_t * pi) + * @param p_pi the packet iterator array to destroy. + * @param p_nb_elements the number of elements in the array. + */ +void pi_destroy_v2( + opj_pi_iterator_t *p_pi, + OPJ_UINT32 p_nb_elements) +{ + OPJ_UINT32 compno, pino; + opj_pi_iterator_t *l_current_pi = p_pi; + if + (p_pi) + { + if + (p_pi->include) + { + opj_free(p_pi->include); + p_pi->include = 00; + } + // TODO + for + (pino = 0; pino < p_nb_elements; ++pino) + { + if + (l_current_pi->comps) + { + opj_pi_comp_t *l_current_component = l_current_pi->comps; + for + (compno = 0; compno < l_current_pi->numcomps; compno++) + { + if + (l_current_component->resolutions) + { + opj_free(l_current_component->resolutions); + l_current_component->resolutions = 00; + } + ++l_current_component; + } + opj_free(l_current_pi->comps); + l_current_pi->comps = 0; + } + ++l_current_pi; + } + opj_free(p_pi); + } +} + + + +void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res) { - pi_comp_t *comp; - pi_resolution_t *res; - if (!pi->first) { - comp = &pi->comps[pi->compno]; - goto skip; - } else { - pi->first = 0; - } - for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; - pi->compno++) { - int resno; - comp = &pi->comps[pi->compno]; - pi->dx = 0; - pi->dy = 0; - for (resno = 0; resno < comp->numresolutions; resno++) { - int dx, dy; - 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->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)) { - for (pi->resno = pi->poc.resno0; - pi->resno < int_min(pi->poc.resno1, - comp->numresolutions); pi->resno++) { - int levelno; - int trx0, try0; - int rpx, rpy; - int prci, prcj; - res = &comp->resolutions[pi->resno]; - levelno = comp->numresolutions - 1 - pi->resno; - trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); - try0 = int_ceildiv(pi->ty0, comp->dy << levelno); - rpx = res->pdx + levelno; - rpy = res->pdy + levelno; - if (! - (pi->x % (comp->dx << rpx) == 0 - || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { - continue; - } - if (! - (pi->y % (comp->dy << rpy) == 0 - || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { - continue; - } - prci = - int_floordivpow2(int_ceildiv - (pi->x, comp->dx << levelno), - res->pdx) - int_floordivpow2(trx0, res->pdx); - prcj = - int_floordivpow2(int_ceildiv - (pi->y, comp->dy << levelno), - res->pdy) - int_floordivpow2(try0, res->pdy); - pi->precno = prci + prcj * res->pw; - for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { - if (!pi-> - include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p]) { - pi->include[pi->layno * pi->step_l + - pi->resno * pi->step_r + - pi->compno * pi->step_c + - pi->precno * pi->step_p] = 1; - return 1; - } - skip:; - } + // loop + OPJ_UINT32 pino; + + // encoding prameters to set + OPJ_UINT32 l_bound; + + opj_pi_iterator_t * l_current_pi = 00; + opj_poc_t* l_current_poc = 0; + + // preconditions in debug + assert(p_pi != 00); + assert(p_tcp != 00); + + // initializations + l_bound = p_tcp->numpocs+1; + l_current_pi = p_pi; + l_current_poc = p_tcp->pocs; + + for + (pino = 0;pinopoc.prg = l_current_poc->prg; + l_current_pi->first = 1; + + l_current_pi->poc.resno0 = l_current_poc->resno0; + l_current_pi->poc.compno0 = l_current_poc->compno0; + l_current_pi->poc.layno0 = 0; + l_current_pi->poc.precno0 = 0; + l_current_pi->poc.resno1 = l_current_poc->resno1; + l_current_pi->poc.compno1 = l_current_poc->compno1; + l_current_pi->poc.layno1 = l_current_poc->layno1; + l_current_pi->poc.precno1 = p_max_precision; + ++l_current_pi; + ++l_current_poc; } - } - } - } - return 0; } -/* - * Get next packet. - * - * pi: packet iterator to modify - * */ -int pi_next(pi_iterator_t * pi) + +void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res) { - switch (pi->poc.prg) { - case 0: - return pi_next_lrcp(pi); - case 1: - return pi_next_rlcp(pi); - case 2: - return pi_next_rpcl(pi); - case 3: - return pi_next_pcrl(pi); - case 4: - return pi_next_cprl(pi); - } - return 0; + // loop + OPJ_UINT32 pino; + + // encoding prameters to set + OPJ_UINT32 l_bound; + + opj_pi_iterator_t * l_current_pi = 00; + // preconditions in debug + assert(p_tcp != 00); + assert(p_pi != 00); + + // initializations + l_bound = p_tcp->numpocs+1; + l_current_pi = p_pi; + + for + (pino = 0;pinopoc.prg = p_tcp->prg; + l_current_pi->first = 1; + l_current_pi->poc.resno0 = 0; + l_current_pi->poc.compno0 = 0; + l_current_pi->poc.layno0 = 0; + l_current_pi->poc.precno0 = 0; + l_current_pi->poc.resno1 = p_max_res; + l_current_pi->poc.compno1 = l_current_pi->numcomps; + l_current_pi->poc.layno1 = p_tcp->numlayers; + l_current_pi->poc.precno1 = p_max_precision; + ++l_current_pi; + } }