diff options
Diffstat (limited to 'third_party/libopenjpeg20/t2.c')
| -rw-r--r-- | third_party/libopenjpeg20/t2.c | 2135 |
1 files changed, 1120 insertions, 1015 deletions
diff --git a/third_party/libopenjpeg20/t2.c b/third_party/libopenjpeg20/t2.c index 5af1a69aae..c8cfcc26b7 100644 --- a/third_party/libopenjpeg20/t2.c +++ b/third_party/libopenjpeg20/t2.c @@ -1,6 +1,6 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * @@ -8,10 +8,10 @@ * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2007, Francois-Olivier Devaux * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR + * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR * Copyright (c) 2012, CS Systemes d'Information, France * All rights reserved. * @@ -38,6 +38,8 @@ */ #include "opj_includes.h" +#include "opj_common.h" + /** @defgroup T2 T2 - Implementation of a tier-2 coding */ /*@{*/ @@ -47,7 +49,7 @@ static void opj_t2_putcommacode(opj_bio_t *bio, OPJ_INT32 n); -static OPJ_UINT32 opj_t2_getcommacode(opj_bio_t *bio); +static OPJ_UINT32 opj_t2_getcommacode(opj_bio_t *bio); /** Variable length code for signalling delta Zil (truncation point) @param bio Bit Input/Output component @@ -68,14 +70,14 @@ Encode a packet of a tile to a destination buffer @param cstr_info Codestream information structure @return */ -static OPJ_BOOL opj_t2_encode_packet( OPJ_UINT32 tileno, - opj_tcd_tile_t *tile, - opj_tcp_t *tcp, - opj_pi_iterator_t *pi, - OPJ_BYTE *dest, - OPJ_UINT32 * p_data_written, - OPJ_UINT32 len, - opj_codestream_info_t *cstr_info); +static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno, + opj_tcd_tile_t *tile, + opj_tcp_t *tcp, + opj_pi_iterator_t *pi, + OPJ_BYTE *dest, + OPJ_UINT32 * p_data_written, + OPJ_UINT32 len, + opj_codestream_info_t *cstr_info); /** Decode a packet of a tile from a source buffer @@ -87,39 +89,40 @@ Decode a packet of a tile from a source buffer @param data_read FIXME DOC @param max_length FIXME DOC @param pack_info Packet information +@param p_manager the user event manager @return FIXME DOC */ -static OPJ_BOOL opj_t2_decode_packet( opj_t2_t* t2, - opj_tcd_tile_t *tile, - opj_tcp_t *tcp, - opj_pi_iterator_t *pi, - OPJ_BYTE *src, - OPJ_UINT32 * data_read, - OPJ_UINT32 max_length, - opj_packet_info_t *pack_info, - opj_event_mgr_t *p_manager); - -static OPJ_BOOL opj_t2_skip_packet( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_tcp_t *p_tcp, - opj_pi_iterator_t *p_pi, - OPJ_BYTE *p_src, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *p_pack_info, - opj_event_mgr_t *p_manager); - -static OPJ_BOOL opj_t2_read_packet_header( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_tcp_t *p_tcp, - opj_pi_iterator_t *p_pi, - OPJ_BOOL * p_is_data_present, - OPJ_BYTE *p_src_data, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *p_pack_info, - opj_event_mgr_t *p_manager); +static OPJ_BOOL opj_t2_decode_packet(opj_t2_t* t2, + opj_tcd_tile_t *tile, + opj_tcp_t *tcp, + opj_pi_iterator_t *pi, + OPJ_BYTE *src, + OPJ_UINT32 * data_read, + OPJ_UINT32 max_length, + opj_packet_info_t *pack_info, + opj_event_mgr_t *p_manager); + +static OPJ_BOOL opj_t2_skip_packet(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_tcp_t *p_tcp, + opj_pi_iterator_t *p_pi, + OPJ_BYTE *p_src, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *p_pack_info, + opj_event_mgr_t *p_manager); + +static OPJ_BOOL opj_t2_read_packet_header(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_tcp_t *p_tcp, + opj_pi_iterator_t *p_pi, + OPJ_BOOL * p_is_data_present, + OPJ_BYTE *p_src_data, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *p_pack_info, + opj_event_mgr_t *p_manager); static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2, opj_tcd_tile_t *p_tile, @@ -144,10 +147,10 @@ static OPJ_BOOL opj_t2_skip_packet_data(opj_t2_t* p_t2, @param cblksty @param first */ -static OPJ_BOOL opj_t2_init_seg( opj_tcd_cblk_dec_t* cblk, - OPJ_UINT32 index, - OPJ_UINT32 cblksty, - OPJ_UINT32 first); +static OPJ_BOOL opj_t2_init_seg(opj_tcd_cblk_dec_t* cblk, + OPJ_UINT32 index, + OPJ_UINT32 cblksty, + OPJ_UINT32 first); /*@}*/ @@ -156,179 +159,192 @@ static OPJ_BOOL opj_t2_init_seg( opj_tcd_cblk_dec_t* cblk, /* ----------------------------------------------------------------------- */ /* #define RESTART 0x04 */ -static void opj_t2_putcommacode(opj_bio_t *bio, OPJ_INT32 n) { - while (--n >= 0) { - opj_bio_write(bio, 1, 1); - } - opj_bio_write(bio, 0, 1); +static void opj_t2_putcommacode(opj_bio_t *bio, OPJ_INT32 n) +{ + while (--n >= 0) { + opj_bio_write(bio, 1, 1); + } + opj_bio_write(bio, 0, 1); } static OPJ_UINT32 opj_t2_getcommacode(opj_bio_t *bio) { OPJ_UINT32 n = 0; while (opj_bio_read(bio, 1)) { - ++n; + ++n; } return n; } -static void opj_t2_putnumpasses(opj_bio_t *bio, OPJ_UINT32 n) { - if (n == 1) { - opj_bio_write(bio, 0, 1); - } else if (n == 2) { - opj_bio_write(bio, 2, 2); - } else if (n <= 5) { - opj_bio_write(bio, 0xc | (n - 3), 4); - } else if (n <= 36) { - opj_bio_write(bio, 0x1e0 | (n - 6), 9); - } else if (n <= 164) { - opj_bio_write(bio, 0xff80 | (n - 37), 16); - } +static void opj_t2_putnumpasses(opj_bio_t *bio, OPJ_UINT32 n) +{ + if (n == 1) { + opj_bio_write(bio, 0, 1); + } else if (n == 2) { + opj_bio_write(bio, 2, 2); + } else if (n <= 5) { + opj_bio_write(bio, 0xc | (n - 3), 4); + } else if (n <= 36) { + opj_bio_write(bio, 0x1e0 | (n - 6), 9); + } else if (n <= 164) { + opj_bio_write(bio, 0xff80 | (n - 37), 16); + } } -static OPJ_UINT32 opj_t2_getnumpasses(opj_bio_t *bio) { - OPJ_UINT32 n; - if (!opj_bio_read(bio, 1)) - return 1; - if (!opj_bio_read(bio, 1)) - return 2; - if ((n = opj_bio_read(bio, 2)) != 3) - return (3 + n); - if ((n = opj_bio_read(bio, 5)) != 31) - return (6 + n); - return (37 + opj_bio_read(bio, 7)); +static OPJ_UINT32 opj_t2_getnumpasses(opj_bio_t *bio) +{ + OPJ_UINT32 n; + if (!opj_bio_read(bio, 1)) { + return 1; + } + if (!opj_bio_read(bio, 1)) { + return 2; + } + if ((n = opj_bio_read(bio, 2)) != 3) { + return (3 + n); + } + if ((n = opj_bio_read(bio, 5)) != 31) { + return (6 + n); + } + return (37 + opj_bio_read(bio, 7)); } /* ----------------------------------------------------------------------- */ -OPJ_BOOL opj_t2_encode_packets( opj_t2_t* p_t2, - OPJ_UINT32 p_tile_no, - opj_tcd_tile_t *p_tile, - OPJ_UINT32 p_maxlayers, - OPJ_BYTE *p_dest, - OPJ_UINT32 * p_data_written, - OPJ_UINT32 p_max_len, - opj_codestream_info_t *cstr_info, - OPJ_UINT32 p_tp_num, - OPJ_INT32 p_tp_pos, - OPJ_UINT32 p_pino, - J2K_T2_MODE p_t2_mode) +OPJ_BOOL opj_t2_encode_packets(opj_t2_t* p_t2, + OPJ_UINT32 p_tile_no, + opj_tcd_tile_t *p_tile, + OPJ_UINT32 p_maxlayers, + OPJ_BYTE *p_dest, + OPJ_UINT32 * p_data_written, + OPJ_UINT32 p_max_len, + opj_codestream_info_t *cstr_info, + OPJ_UINT32 p_tp_num, + OPJ_INT32 p_tp_pos, + OPJ_UINT32 p_pino, + J2K_T2_MODE p_t2_mode) { - OPJ_BYTE *l_current_data = p_dest; - OPJ_UINT32 l_nb_bytes = 0; - OPJ_UINT32 compno; - OPJ_UINT32 poc; - opj_pi_iterator_t *l_pi = 00; - opj_pi_iterator_t *l_current_pi = 00; - opj_image_t *l_image = p_t2->image; - opj_cp_t *l_cp = p_t2->cp; - opj_tcp_t *l_tcp = &l_cp->tcps[p_tile_no]; - OPJ_UINT32 pocno = (l_cp->rsiz == OPJ_PROFILE_CINEMA_4K)? 2: 1; - OPJ_UINT32 l_max_comp = l_cp->m_specific_param.m_enc.m_max_comp_size > 0 ? l_image->numcomps : 1; - OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1; - - l_pi = opj_pi_initialise_encode(l_image, l_cp, p_tile_no, p_t2_mode); - if (!l_pi) { - return OPJ_FALSE; - } - - * p_data_written = 0; + OPJ_BYTE *l_current_data = p_dest; + OPJ_UINT32 l_nb_bytes = 0; + OPJ_UINT32 compno; + OPJ_UINT32 poc; + opj_pi_iterator_t *l_pi = 00; + opj_pi_iterator_t *l_current_pi = 00; + opj_image_t *l_image = p_t2->image; + opj_cp_t *l_cp = p_t2->cp; + opj_tcp_t *l_tcp = &l_cp->tcps[p_tile_no]; + OPJ_UINT32 pocno = (l_cp->rsiz == OPJ_PROFILE_CINEMA_4K) ? 2 : 1; + OPJ_UINT32 l_max_comp = l_cp->m_specific_param.m_enc.m_max_comp_size > 0 ? + l_image->numcomps : 1; + OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1; + + l_pi = opj_pi_initialise_encode(l_image, l_cp, p_tile_no, p_t2_mode); + if (!l_pi) { + return OPJ_FALSE; + } - if (p_t2_mode == THRESH_CALC ){ /* Calculating threshold */ - l_current_pi = l_pi; + * p_data_written = 0; - for (compno = 0; compno < l_max_comp; ++compno) { - OPJ_UINT32 l_comp_len = 0; - l_current_pi = l_pi; + if (p_t2_mode == THRESH_CALC) { /* Calculating threshold */ + l_current_pi = l_pi; - for (poc = 0; poc < pocno ; ++poc) { - OPJ_UINT32 l_tp_num = compno; + for (compno = 0; compno < l_max_comp; ++compno) { + OPJ_UINT32 l_comp_len = 0; + l_current_pi = l_pi; - /* TODO MSD : check why this function cannot fail (cf. v1) */ - opj_pi_create_encode(l_pi, l_cp,p_tile_no,poc,l_tp_num,p_tp_pos,p_t2_mode); + for (poc = 0; poc < pocno ; ++poc) { + OPJ_UINT32 l_tp_num = compno; - if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { - /* TODO ADE : add an error */ - opj_pi_destroy(l_pi, l_nb_pocs); - return OPJ_FALSE; - } - while (opj_pi_next(l_current_pi)) { - if (l_current_pi->layno < p_maxlayers) { - l_nb_bytes = 0; + /* TODO MSD : check why this function cannot fail (cf. v1) */ + opj_pi_create_encode(l_pi, l_cp, p_tile_no, poc, l_tp_num, p_tp_pos, p_t2_mode); - if (! opj_t2_encode_packet(p_tile_no,p_tile, l_tcp, l_current_pi, l_current_data, &l_nb_bytes, p_max_len, cstr_info)) { - opj_pi_destroy(l_pi, l_nb_pocs); - return OPJ_FALSE; - } + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } + while (opj_pi_next(l_current_pi)) { + if (l_current_pi->layno < p_maxlayers) { + l_nb_bytes = 0; - l_comp_len += l_nb_bytes; - l_current_data += l_nb_bytes; - p_max_len -= l_nb_bytes; + if (! opj_t2_encode_packet(p_tile_no, p_tile, l_tcp, l_current_pi, + l_current_data, &l_nb_bytes, p_max_len, cstr_info)) { + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } - * p_data_written += l_nb_bytes; - } - } + l_comp_len += l_nb_bytes; + l_current_data += l_nb_bytes; + p_max_len -= l_nb_bytes; - if (l_cp->m_specific_param.m_enc.m_max_comp_size) { - if (l_comp_len > l_cp->m_specific_param.m_enc.m_max_comp_size) { - opj_pi_destroy(l_pi, l_nb_pocs); - return OPJ_FALSE; - } - } + * p_data_written += l_nb_bytes; + } + } - ++l_current_pi; - } + if (l_cp->m_specific_param.m_enc.m_max_comp_size) { + if (l_comp_len > l_cp->m_specific_param.m_enc.m_max_comp_size) { + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } } + + ++l_current_pi; + } + } + } else { /* t2_mode == FINAL_PASS */ + opj_pi_create_encode(l_pi, l_cp, p_tile_no, p_pino, p_tp_num, p_tp_pos, + p_t2_mode); + + l_current_pi = &l_pi[p_pino]; + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; } - else { /* t2_mode == FINAL_PASS */ - opj_pi_create_encode(l_pi, l_cp,p_tile_no,p_pino,p_tp_num,p_tp_pos,p_t2_mode); + while (opj_pi_next(l_current_pi)) { + if (l_current_pi->layno < p_maxlayers) { + l_nb_bytes = 0; - l_current_pi = &l_pi[p_pino]; - if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { - /* TODO ADE : add an error */ + if (! opj_t2_encode_packet(p_tile_no, p_tile, l_tcp, l_current_pi, + l_current_data, &l_nb_bytes, p_max_len, cstr_info)) { opj_pi_destroy(l_pi, l_nb_pocs); return OPJ_FALSE; } - while (opj_pi_next(l_current_pi)) { - if (l_current_pi->layno < p_maxlayers) { - l_nb_bytes=0; - - if (! opj_t2_encode_packet(p_tile_no,p_tile, l_tcp, l_current_pi, l_current_data, &l_nb_bytes, p_max_len, cstr_info)) { - opj_pi_destroy(l_pi, l_nb_pocs); - return OPJ_FALSE; - } - - l_current_data += l_nb_bytes; - p_max_len -= l_nb_bytes; - - * p_data_written += l_nb_bytes; - - /* INDEX >> */ - if(cstr_info) { - if(cstr_info->index_write) { - opj_tile_info_t *info_TL = &cstr_info->tile[p_tile_no]; - opj_packet_info_t *info_PK = &info_TL->packet[cstr_info->packno]; - if (!cstr_info->packno) { - info_PK->start_pos = info_TL->end_header + 1; - } else { - info_PK->start_pos = ((l_cp->m_specific_param.m_enc.m_tp_on | l_tcp->POC)&& info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1; - } - info_PK->end_pos = info_PK->start_pos + l_nb_bytes - 1; - info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance - to start of packet is incremented by value of start of packet*/ - } - cstr_info->packno++; - } - /* << INDEX */ - ++p_tile->packno; + l_current_data += l_nb_bytes; + p_max_len -= l_nb_bytes; + + * p_data_written += l_nb_bytes; + + /* INDEX >> */ + if (cstr_info) { + if (cstr_info->index_write) { + opj_tile_info_t *info_TL = &cstr_info->tile[p_tile_no]; + opj_packet_info_t *info_PK = &info_TL->packet[cstr_info->packno]; + if (!cstr_info->packno) { + info_PK->start_pos = info_TL->end_header + 1; + } else { + info_PK->start_pos = ((l_cp->m_specific_param.m_enc.m_tp_on | l_tcp->POC) && + info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - + 1].end_pos + 1; } + info_PK->end_pos = info_PK->start_pos + l_nb_bytes - 1; + info_PK->end_ph_pos += info_PK->start_pos - + 1; /* End of packet header which now only represents the distance + to start of packet is incremented by value of start of packet*/ + } + + cstr_info->packno++; } + /* << INDEX */ + ++p_tile->packno; + } } + } - opj_pi_destroy(l_pi, l_nb_pocs); + opj_pi_destroy(l_pi, l_nb_pocs); - return OPJ_TRUE; + return OPJ_TRUE; } /* see issue 80 */ @@ -338,154 +354,167 @@ OPJ_BOOL opj_t2_encode_packets( opj_t2_t* p_t2, /* issue 290 */ static void opj_null_jas_fprintf(FILE* file, const char * format, ...) { - (void)file; - (void)format; + (void)file; + (void)format; } #define JAS_FPRINTF opj_null_jas_fprintf #endif -OPJ_BOOL opj_t2_decode_packets( opj_t2_t *p_t2, - OPJ_UINT32 p_tile_no, - opj_tcd_tile_t *p_tile, - OPJ_BYTE *p_src, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_len, - opj_codestream_index_t *p_cstr_index, - opj_event_mgr_t *p_manager) +OPJ_BOOL opj_t2_decode_packets(opj_t2_t *p_t2, + OPJ_UINT32 p_tile_no, + opj_tcd_tile_t *p_tile, + OPJ_BYTE *p_src, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_len, + opj_codestream_index_t *p_cstr_index, + opj_event_mgr_t *p_manager) { - OPJ_BYTE *l_current_data = p_src; - opj_pi_iterator_t *l_pi = 00; - OPJ_UINT32 pino; - opj_image_t *l_image = p_t2->image; - opj_cp_t *l_cp = p_t2->cp; - opj_tcp_t *l_tcp = &(p_t2->cp->tcps[p_tile_no]); - OPJ_UINT32 l_nb_bytes_read; - OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1; - opj_pi_iterator_t *l_current_pi = 00; + OPJ_BYTE *l_current_data = p_src; + opj_pi_iterator_t *l_pi = 00; + OPJ_UINT32 pino; + opj_image_t *l_image = p_t2->image; + opj_cp_t *l_cp = p_t2->cp; + opj_tcp_t *l_tcp = &(p_t2->cp->tcps[p_tile_no]); + OPJ_UINT32 l_nb_bytes_read; + OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1; + opj_pi_iterator_t *l_current_pi = 00; #ifdef TODO_MSD - OPJ_UINT32 curtp = 0; - OPJ_UINT32 tp_start_packno; -#endif - opj_packet_info_t *l_pack_info = 00; - opj_image_comp_t* l_img_comp = 00; + OPJ_UINT32 curtp = 0; + OPJ_UINT32 tp_start_packno; +#endif + opj_packet_info_t *l_pack_info = 00; + opj_image_comp_t* l_img_comp = 00; - OPJ_ARG_NOT_USED(p_cstr_index); + OPJ_ARG_NOT_USED(p_cstr_index); #ifdef TODO_MSD - if (p_cstr_index) { - l_pack_info = p_cstr_index->tile_index[p_tile_no].packet; - } + if (p_cstr_index) { + l_pack_info = p_cstr_index->tile_index[p_tile_no].packet; + } #endif - /* create a packet iterator */ - l_pi = opj_pi_create_decode(l_image, l_cp, p_tile_no); - if (!l_pi) { - return OPJ_FALSE; + /* create a packet iterator */ + l_pi = opj_pi_create_decode(l_image, l_cp, p_tile_no); + if (!l_pi) { + return OPJ_FALSE; + } + + + l_current_pi = l_pi; + + for (pino = 0; pino <= l_tcp->numpocs; ++pino) { + + /* if the resolution needed is too low, one dim of the tilec could be equal to zero + * and no packets are used to decode this resolution and + * l_current_pi->resno is always >= p_tile->comps[l_current_pi->compno].minimum_num_resolutions + * and no l_img_comp->resno_decoded are computed + */ + OPJ_BOOL* first_pass_failed = NULL; + + if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { + /* TODO ADE : add an error */ + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; } + first_pass_failed = (OPJ_BOOL*)opj_malloc(l_image->numcomps * sizeof(OPJ_BOOL)); + if (!first_pass_failed) { + opj_pi_destroy(l_pi, l_nb_pocs); + return OPJ_FALSE; + } + memset(first_pass_failed, OPJ_TRUE, l_image->numcomps * sizeof(OPJ_BOOL)); - l_current_pi = l_pi; + while (opj_pi_next(l_current_pi)) { + JAS_FPRINTF(stderr, + "packet offset=00000166 prg=%d cmptno=%02d rlvlno=%02d prcno=%03d lyrno=%02d\n\n", + l_current_pi->poc.prg1, l_current_pi->compno, l_current_pi->resno, + l_current_pi->precno, l_current_pi->layno); - for (pino = 0; pino <= l_tcp->numpocs; ++pino) { + if (l_tcp->num_layers_to_decode > l_current_pi->layno + && l_current_pi->resno < + p_tile->comps[l_current_pi->compno].minimum_num_resolutions) { + l_nb_bytes_read = 0; - /* if the resolution needed is too low, one dim of the tilec could be equal to zero - * and no packets are used to decode this resolution and - * l_current_pi->resno is always >= p_tile->comps[l_current_pi->compno].minimum_num_resolutions - * and no l_img_comp->resno_decoded are computed - */ - OPJ_BOOL* first_pass_failed = NULL; - - if (l_current_pi->poc.prg == OPJ_PROG_UNKNOWN) { - /* TODO ADE : add an error */ + first_pass_failed[l_current_pi->compno] = OPJ_FALSE; + + if (! opj_t2_decode_packet(p_t2, p_tile, l_tcp, l_current_pi, l_current_data, + &l_nb_bytes_read, p_max_len, l_pack_info, p_manager)) { opj_pi_destroy(l_pi, l_nb_pocs); + opj_free(first_pass_failed); return OPJ_FALSE; } - - first_pass_failed = (OPJ_BOOL*)opj_malloc(l_image->numcomps * sizeof(OPJ_BOOL)); - if (!first_pass_failed) - { - opj_pi_destroy(l_pi,l_nb_pocs); + + l_img_comp = &(l_image->comps[l_current_pi->compno]); + l_img_comp->resno_decoded = opj_uint_max(l_current_pi->resno, + l_img_comp->resno_decoded); + } else { + l_nb_bytes_read = 0; + if (! opj_t2_skip_packet(p_t2, p_tile, l_tcp, l_current_pi, l_current_data, + &l_nb_bytes_read, p_max_len, l_pack_info, p_manager)) { + opj_pi_destroy(l_pi, l_nb_pocs); + opj_free(first_pass_failed); return OPJ_FALSE; } - memset(first_pass_failed, OPJ_TRUE, l_image->numcomps * sizeof(OPJ_BOOL)); - - while (opj_pi_next(l_current_pi)) { - JAS_FPRINTF( stderr, "packet offset=00000166 prg=%d cmptno=%02d rlvlno=%02d prcno=%03d lyrno=%02d\n\n", - l_current_pi->poc.prg1, l_current_pi->compno, l_current_pi->resno, l_current_pi->precno, l_current_pi->layno ); - - if (l_tcp->num_layers_to_decode > l_current_pi->layno - && l_current_pi->resno < p_tile->comps[l_current_pi->compno].minimum_num_resolutions) { - l_nb_bytes_read = 0; + } - first_pass_failed[l_current_pi->compno] = OPJ_FALSE; - - if (! opj_t2_decode_packet(p_t2,p_tile,l_tcp,l_current_pi,l_current_data,&l_nb_bytes_read,p_max_len,l_pack_info, p_manager)) { - opj_pi_destroy(l_pi,l_nb_pocs); - opj_free(first_pass_failed); - return OPJ_FALSE; - } - - l_img_comp = &(l_image->comps[l_current_pi->compno]); - l_img_comp->resno_decoded = opj_uint_max(l_current_pi->resno, l_img_comp->resno_decoded); - } - else { - l_nb_bytes_read = 0; - if (! opj_t2_skip_packet(p_t2,p_tile,l_tcp,l_current_pi,l_current_data,&l_nb_bytes_read,p_max_len,l_pack_info, p_manager)) { - opj_pi_destroy(l_pi,l_nb_pocs); - opj_free(first_pass_failed); - return OPJ_FALSE; - } - } - - if (first_pass_failed[l_current_pi->compno]) { - l_img_comp = &(l_image->comps[l_current_pi->compno]); - if (l_img_comp->resno_decoded == 0) - l_img_comp->resno_decoded = p_tile->comps[l_current_pi->compno].minimum_num_resolutions - 1; - } + if (first_pass_failed[l_current_pi->compno]) { + l_img_comp = &(l_image->comps[l_current_pi->compno]); + if (l_img_comp->resno_decoded == 0) { + l_img_comp->resno_decoded = + p_tile->comps[l_current_pi->compno].minimum_num_resolutions - 1; + } + } - l_current_data += l_nb_bytes_read; - p_max_len -= l_nb_bytes_read; + l_current_data += l_nb_bytes_read; + p_max_len -= l_nb_bytes_read; - /* INDEX >> */ + /* INDEX >> */ #ifdef TODO_MSD - if(p_cstr_info) { - opj_tile_info_v2_t *info_TL = &p_cstr_info->tile[p_tile_no]; - opj_packet_info_t *info_PK = &info_TL->packet[p_cstr_info->packno]; - tp_start_packno = 0; - if (!p_cstr_info->packno) { - info_PK->start_pos = info_TL->end_header + 1; - } else if (info_TL->packet[p_cstr_info->packno-1].end_pos >= (OPJ_INT32)p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_pos){ /* New tile part */ - info_TL->tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; /* Number of packets in previous tile-part */ - tp_start_packno = p_cstr_info->packno; - curtp++; - info_PK->start_pos = p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_header+1; - } else { - info_PK->start_pos = (l_cp->m_specific_param.m_enc.m_tp_on && info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[p_cstr_info->packno - 1].end_pos + 1; - } - info_PK->end_pos = info_PK->start_pos + l_nb_bytes_read - 1; - info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance */ - ++p_cstr_info->packno; - } -#endif - /* << INDEX */ + if (p_cstr_info) { + opj_tile_info_v2_t *info_TL = &p_cstr_info->tile[p_tile_no]; + opj_packet_info_t *info_PK = &info_TL->packet[p_cstr_info->packno]; + tp_start_packno = 0; + if (!p_cstr_info->packno) { + info_PK->start_pos = info_TL->end_header + 1; + } else if (info_TL->packet[p_cstr_info->packno - 1].end_pos >= + (OPJ_INT32) + p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_pos) { /* New tile part */ + info_TL->tp[curtp].tp_numpacks = p_cstr_info->packno - + tp_start_packno; /* Number of packets in previous tile-part */ + tp_start_packno = p_cstr_info->packno; + curtp++; + info_PK->start_pos = p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_header + 1; + } else { + info_PK->start_pos = (l_cp->m_specific_param.m_enc.m_tp_on && + info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[p_cstr_info->packno - + 1].end_pos + 1; } - ++l_current_pi; - - opj_free(first_pass_failed); + info_PK->end_pos = info_PK->start_pos + l_nb_bytes_read - 1; + info_PK->end_ph_pos += info_PK->start_pos - + 1; /* End of packet header which now only represents the distance */ + ++p_cstr_info->packno; + } +#endif + /* << INDEX */ } - /* INDEX >> */ + ++l_current_pi; + + opj_free(first_pass_failed); + } + /* INDEX >> */ #ifdef TODO_MSD - if - (p_cstr_info) { - p_cstr_info->tile[p_tile_no].tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; /* Number of packets in last tile-part */ - } + if + (p_cstr_info) { + p_cstr_info->tile[p_tile_no].tp[curtp].tp_numpacks = p_cstr_info->packno - + tp_start_packno; /* Number of packets in last tile-part */ + } #endif - /* << INDEX */ + /* << INDEX */ - /* don't forget to release pi */ - opj_pi_destroy(l_pi,l_nb_pocs); - *p_data_read = (OPJ_UINT32)(l_current_data - p_src); - return OPJ_TRUE; + /* don't forget to release pi */ + opj_pi_destroy(l_pi, l_nb_pocs); + *p_data_read = (OPJ_UINT32)(l_current_data - p_src); + return OPJ_TRUE; } /* ----------------------------------------------------------------------- */ @@ -499,883 +528,959 @@ OPJ_BOOL opj_t2_decode_packets( opj_t2_t *p_t2, */ opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp) { - /* create the t2 structure */ - opj_t2_t *l_t2 = (opj_t2_t*)opj_calloc(1,sizeof(opj_t2_t)); - if (!l_t2) { - return NULL; - } + /* create the t2 structure */ + opj_t2_t *l_t2 = (opj_t2_t*)opj_calloc(1, sizeof(opj_t2_t)); + if (!l_t2) { + return NULL; + } - l_t2->image = p_image; - l_t2->cp = p_cp; + l_t2->image = p_image; + l_t2->cp = p_cp; - return l_t2; + return l_t2; } -void opj_t2_destroy(opj_t2_t *t2) { - if(t2) { - opj_free(t2); - } +void opj_t2_destroy(opj_t2_t *t2) +{ + if (t2) { + opj_free(t2); + } } -static OPJ_BOOL opj_t2_decode_packet( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_tcp_t *p_tcp, - opj_pi_iterator_t *p_pi, - OPJ_BYTE *p_src, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *p_pack_info, - opj_event_mgr_t *p_manager) +static OPJ_BOOL opj_t2_decode_packet(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_tcp_t *p_tcp, + opj_pi_iterator_t *p_pi, + OPJ_BYTE *p_src, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *p_pack_info, + opj_event_mgr_t *p_manager) { - OPJ_BOOL l_read_data; - OPJ_UINT32 l_nb_bytes_read = 0; - OPJ_UINT32 l_nb_total_bytes_read = 0; + OPJ_BOOL l_read_data; + OPJ_UINT32 l_nb_bytes_read = 0; + OPJ_UINT32 l_nb_total_bytes_read = 0; - *p_data_read = 0; + *p_data_read = 0; - if (! opj_t2_read_packet_header(p_t2,p_tile,p_tcp,p_pi,&l_read_data,p_src,&l_nb_bytes_read,p_max_length,p_pack_info, p_manager)) { - return OPJ_FALSE; - } - - p_src += l_nb_bytes_read; - l_nb_total_bytes_read += l_nb_bytes_read; - p_max_length -= l_nb_bytes_read; + if (! opj_t2_read_packet_header(p_t2, p_tile, p_tcp, p_pi, &l_read_data, p_src, + &l_nb_bytes_read, p_max_length, p_pack_info, p_manager)) { + return OPJ_FALSE; + } - /* we should read data for the packet */ - if (l_read_data) { - l_nb_bytes_read = 0; + p_src += l_nb_bytes_read; + l_nb_total_bytes_read += l_nb_bytes_read; + p_max_length -= l_nb_bytes_read; - if (! opj_t2_read_packet_data(p_t2,p_tile,p_pi,p_src,&l_nb_bytes_read,p_max_length,p_pack_info, p_manager)) { - return OPJ_FALSE; - } + /* we should read data for the packet */ + if (l_read_data) { + l_nb_bytes_read = 0; - l_nb_total_bytes_read += l_nb_bytes_read; + if (! opj_t2_read_packet_data(p_t2, p_tile, p_pi, p_src, &l_nb_bytes_read, + p_max_length, p_pack_info, p_manager)) { + return OPJ_FALSE; } - *p_data_read = l_nb_total_bytes_read; + l_nb_total_bytes_read += l_nb_bytes_read; + } + + *p_data_read = l_nb_total_bytes_read; - return OPJ_TRUE; + return OPJ_TRUE; } -static OPJ_BOOL opj_t2_encode_packet( OPJ_UINT32 tileno, - opj_tcd_tile_t * tile, - opj_tcp_t * tcp, - opj_pi_iterator_t *pi, - OPJ_BYTE *dest, - OPJ_UINT32 * p_data_written, - OPJ_UINT32 length, - opj_codestream_info_t *cstr_info) +static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno, + opj_tcd_tile_t * tile, + opj_tcp_t * tcp, + opj_pi_iterator_t *pi, + OPJ_BYTE *dest, + OPJ_UINT32 * p_data_written, + OPJ_UINT32 length, + opj_codestream_info_t *cstr_info) { - OPJ_UINT32 bandno, cblkno; - OPJ_BYTE* c = dest; - OPJ_UINT32 l_nb_bytes; - OPJ_UINT32 compno = pi->compno; /* component value */ - OPJ_UINT32 resno = pi->resno; /* resolution level value */ - OPJ_UINT32 precno = pi->precno; /* precinct value */ - OPJ_UINT32 layno = pi->layno; /* quality layer value */ - OPJ_UINT32 l_nb_blocks; - opj_tcd_band_t *band = 00; - opj_tcd_cblk_enc_t* cblk = 00; - opj_tcd_pass_t *pass = 00; - - opj_tcd_tilecomp_t *tilec = &tile->comps[compno]; - opj_tcd_resolution_t *res = &tilec->resolutions[resno]; - - opj_bio_t *bio = 00; /* BIO component */ - - /* <SOP 0xff91> */ - if (tcp->csty & J2K_CP_CSTY_SOP) { - c[0] = 255; - c[1] = 145; - c[2] = 0; - c[3] = 4; + OPJ_UINT32 bandno, cblkno; + OPJ_BYTE* c = dest; + OPJ_UINT32 l_nb_bytes; + OPJ_UINT32 compno = pi->compno; /* component value */ + OPJ_UINT32 resno = pi->resno; /* resolution level value */ + OPJ_UINT32 precno = pi->precno; /* precinct value */ + OPJ_UINT32 layno = pi->layno; /* quality layer value */ + OPJ_UINT32 l_nb_blocks; + opj_tcd_band_t *band = 00; + opj_tcd_cblk_enc_t* cblk = 00; + opj_tcd_pass_t *pass = 00; + + opj_tcd_tilecomp_t *tilec = &tile->comps[compno]; + opj_tcd_resolution_t *res = &tilec->resolutions[resno]; + + opj_bio_t *bio = 00; /* BIO component */ + OPJ_BOOL packet_empty = OPJ_TRUE; + + /* <SOP 0xff91> */ + if (tcp->csty & J2K_CP_CSTY_SOP) { + c[0] = 255; + c[1] = 145; + c[2] = 0; + c[3] = 4; #if 0 - c[4] = (tile->packno % 65536) / 256; - c[5] = (tile->packno % 65536) % 256; + c[4] = (tile->packno % 65536) / 256; + c[5] = (tile->packno % 65536) % 256; #else - c[4] = (tile->packno >> 8) & 0xff; /* packno is uint32_t */ - c[5] = tile->packno & 0xff; + c[4] = (tile->packno >> 8) & 0xff; /* packno is uint32_t */ + c[5] = tile->packno & 0xff; #endif - c += 6; - length -= 6; - } - /* </SOP> */ + c += 6; + length -= 6; + } + /* </SOP> */ + + if (!layno) { + band = res->bands; - if (!layno) { - band = res->bands; + for (bandno = 0; bandno < res->numbands; ++bandno, ++band) { + opj_tcd_precinct_t *prc; - for(bandno = 0; bandno < res->numbands; ++bandno) { - opj_tcd_precinct_t *prc = &band->precincts[precno]; + /* Skip empty bands */ + if (opj_tcd_is_band_empty(band)) { + continue; + } - opj_tgt_reset(prc->incltree); - opj_tgt_reset(prc->imsbtree); + prc = &band->precincts[precno]; + opj_tgt_reset(prc->incltree); + opj_tgt_reset(prc->imsbtree); - l_nb_blocks = prc->cw * prc->ch; - for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { - cblk = &prc->cblks.enc[cblkno]; + l_nb_blocks = prc->cw * prc->ch; + for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { + cblk = &prc->cblks.enc[cblkno]; - cblk->numpasses = 0; - opj_tgt_setvalue(prc->imsbtree, cblkno, band->numbps - (OPJ_INT32)cblk->numbps); - } - ++band; - } + cblk->numpasses = 0; + opj_tgt_setvalue(prc->imsbtree, cblkno, band->numbps - (OPJ_INT32)cblk->numbps); + } } + } - bio = opj_bio_create(); - if (!bio) { - /* FIXME event manager error callback */ - return OPJ_FALSE; + bio = opj_bio_create(); + if (!bio) { + /* FIXME event manager error callback */ + return OPJ_FALSE; + } + opj_bio_init_enc(bio, c, length); + + /* Check if the packet is empty */ + /* Note: we could also skip that step and always write a packet header */ + band = res->bands; + for (bandno = 0; bandno < res->numbands; ++bandno, ++band) { + opj_tcd_precinct_t *prc; + /* Skip empty bands */ + if (opj_tcd_is_band_empty(band)) { + continue; } - opj_bio_init_enc(bio, c, length); - opj_bio_write(bio, 1, 1); /* Empty header bit */ - /* Writing Packet header */ - band = res->bands; - for (bandno = 0; bandno < res->numbands; ++bandno) { - opj_tcd_precinct_t *prc = &band->precincts[precno]; + prc = &band->precincts[precno]; + l_nb_blocks = prc->cw * prc->ch; + cblk = prc->cblks.enc; + for (cblkno = 0; cblkno < l_nb_blocks; cblkno++, ++cblk) { + opj_tcd_layer_t *layer = &cblk->layers[layno]; + + /* if cblk not included, go to the next cblk */ + if (!layer->numpasses) { + continue; + } + packet_empty = OPJ_FALSE; + break; + } + if (!packet_empty) { + break; + } + } - l_nb_blocks = prc->cw * prc->ch; - cblk = prc->cblks.enc; + opj_bio_write(bio, packet_empty ? 0 : 1, 1); /* Empty header bit */ - for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { - opj_tcd_layer_t *layer = &cblk->layers[layno]; - if (!cblk->numpasses && layer->numpasses) { - opj_tgt_setvalue(prc->incltree, cblkno, (OPJ_INT32)layno); - } + /* Writing Packet header */ + band = res->bands; + for (bandno = 0; !packet_empty && + bandno < res->numbands; ++bandno, ++band) { + opj_tcd_precinct_t *prc; - ++cblk; - } + /* Skip empty bands */ + if (opj_tcd_is_band_empty(band)) { + continue; + } - cblk = prc->cblks.enc; - for (cblkno = 0; cblkno < l_nb_blocks; cblkno++) { - opj_tcd_layer_t *layer = &cblk->layers[layno]; - OPJ_UINT32 increment = 0; - OPJ_UINT32 nump = 0; - OPJ_UINT32 len = 0, passno; - OPJ_UINT32 l_nb_passes; - - /* cblk inclusion bits */ - if (!cblk->numpasses) { - opj_tgt_encode(bio, prc->incltree, cblkno, (OPJ_INT32)(layno + 1)); - } else { - opj_bio_write(bio, layer->numpasses != 0, 1); - } + prc = &band->precincts[precno]; + l_nb_blocks = prc->cw * prc->ch; + cblk = prc->cblks.enc; - /* if cblk not included, go to the next cblk */ - if (!layer->numpasses) { - ++cblk; - continue; - } + for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { + opj_tcd_layer_t *layer = &cblk->layers[layno]; - /* if first instance of cblk --> zero bit-planes information */ - if (!cblk->numpasses) { - cblk->numlenbits = 3; - opj_tgt_encode(bio, prc->imsbtree, cblkno, 999); - } + if (!cblk->numpasses && layer->numpasses) { + opj_tgt_setvalue(prc->incltree, cblkno, (OPJ_INT32)layno); + } - /* number of coding passes included */ - opj_t2_putnumpasses(bio, layer->numpasses); - l_nb_passes = cblk->numpasses + layer->numpasses; - pass = cblk->passes + cblk->numpasses; + ++cblk; + } - /* computation of the increase of the length indicator and insertion in the header */ - for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { - ++nump; - len += pass->len; + cblk = prc->cblks.enc; + for (cblkno = 0; cblkno < l_nb_blocks; cblkno++) { + opj_tcd_layer_t *layer = &cblk->layers[layno]; + OPJ_UINT32 increment = 0; + OPJ_UINT32 nump = 0; + OPJ_UINT32 len = 0, passno; + OPJ_UINT32 l_nb_passes; + + /* cblk inclusion bits */ + if (!cblk->numpasses) { + opj_tgt_encode(bio, prc->incltree, cblkno, (OPJ_INT32)(layno + 1)); + } else { + opj_bio_write(bio, layer->numpasses != 0, 1); + } + + /* if cblk not included, go to the next cblk */ + if (!layer->numpasses) { + ++cblk; + continue; + } + + /* if first instance of cblk --> zero bit-planes information */ + if (!cblk->numpasses) { + cblk->numlenbits = 3; + opj_tgt_encode(bio, prc->imsbtree, cblkno, 999); + } + + /* number of coding passes included */ + opj_t2_putnumpasses(bio, layer->numpasses); + l_nb_passes = cblk->numpasses + layer->numpasses; + pass = cblk->passes + cblk->numpasses; + + /* computation of the increase of the length indicator and insertion in the header */ + for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { + ++nump; + len += pass->len; + + if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { + increment = (OPJ_UINT32)opj_int_max((OPJ_INT32)increment, + opj_int_floorlog2((OPJ_INT32)len) + 1 + - ((OPJ_INT32)cblk->numlenbits + opj_int_floorlog2((OPJ_INT32)nump))); + len = 0; + nump = 0; + } - if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { - increment = (OPJ_UINT32)opj_int_max((OPJ_INT32)increment, opj_int_floorlog2((OPJ_INT32)len) + 1 - - ((OPJ_INT32)cblk->numlenbits + opj_int_floorlog2((OPJ_INT32)nump))); - len = 0; - nump = 0; - } + ++pass; + } + opj_t2_putcommacode(bio, (OPJ_INT32)increment); - ++pass; - } - opj_t2_putcommacode(bio, (OPJ_INT32)increment); - - /* computation of the new Length indicator */ - cblk->numlenbits += increment; - - pass = cblk->passes + cblk->numpasses; - /* insertion of the codeword segment length */ - for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { - nump++; - len += pass->len; - - if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { - opj_bio_write(bio, (OPJ_UINT32)len, cblk->numlenbits + (OPJ_UINT32)opj_int_floorlog2((OPJ_INT32)nump)); - len = 0; - nump = 0; - } - ++pass; - } + /* computation of the new Length indicator */ + cblk->numlenbits += increment; + + pass = cblk->passes + cblk->numpasses; + /* insertion of the codeword segment length */ + for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { + nump++; + len += pass->len; - ++cblk; + if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { + opj_bio_write(bio, (OPJ_UINT32)len, + cblk->numlenbits + (OPJ_UINT32)opj_int_floorlog2((OPJ_INT32)nump)); + len = 0; + nump = 0; } + ++pass; + } - ++band; + ++cblk; } + } - if (!opj_bio_flush(bio)) { - opj_bio_destroy(bio); - return OPJ_FALSE; /* modified to eliminate longjmp !! */ - } + if (!opj_bio_flush(bio)) { + opj_bio_destroy(bio); + return OPJ_FALSE; /* modified to eliminate longjmp !! */ + } - l_nb_bytes = (OPJ_UINT32)opj_bio_numbytes(bio); - c += l_nb_bytes; - length -= l_nb_bytes; + l_nb_bytes = (OPJ_UINT32)opj_bio_numbytes(bio); + c += l_nb_bytes; + length -= l_nb_bytes; - opj_bio_destroy(bio); + opj_bio_destroy(bio); - /* <EPH 0xff92> */ - if (tcp->csty & J2K_CP_CSTY_EPH) { - c[0] = 255; - c[1] = 146; - c += 2; - length -= 2; - } - /* </EPH> */ + /* <EPH 0xff92> */ + if (tcp->csty & J2K_CP_CSTY_EPH) { + c[0] = 255; + c[1] = 146; + c += 2; + length -= 2; + } + /* </EPH> */ + + /* << INDEX */ + /* End of packet header position. Currently only represents the distance to start of packet + Will be updated later by incrementing with packet start value*/ + if (cstr_info && cstr_info->index_write) { + opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; + info_PK->end_ph_pos = (OPJ_INT32)(c - dest); + } + /* INDEX >> */ - /* << INDEX */ - /* End of packet header position. Currently only represents the distance to start of packet - Will be updated later by incrementing with packet start value*/ - if(cstr_info && cstr_info->index_write) { - opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; - info_PK->end_ph_pos = (OPJ_INT32)(c - dest); - } - /* INDEX >> */ + /* Writing the packet body */ + band = res->bands; + for (bandno = 0; !packet_empty && bandno < res->numbands; bandno++, ++band) { + opj_tcd_precinct_t *prc; - /* Writing the packet body */ - band = res->bands; - for (bandno = 0; bandno < res->numbands; bandno++) { - opj_tcd_precinct_t *prc = &band->precincts[precno]; + /* Skip empty bands */ + if (opj_tcd_is_band_empty(band)) { + continue; + } - l_nb_blocks = prc->cw * prc->ch; - cblk = prc->cblks.enc; + prc = &band->precincts[precno]; + l_nb_blocks = prc->cw * prc->ch; + cblk = prc->cblks.enc; - for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { - opj_tcd_layer_t *layer = &cblk->layers[layno]; + for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { + opj_tcd_layer_t *layer = &cblk->layers[layno]; - if (!layer->numpasses) { - ++cblk; - continue; - } + if (!layer->numpasses) { + ++cblk; + continue; + } - if (layer->len > length) { - return OPJ_FALSE; - } + if (layer->len > length) { + return OPJ_FALSE; + } - memcpy(c, layer->data, layer->len); - cblk->numpasses += layer->numpasses; - c += layer->len; - length -= layer->len; - - /* << INDEX */ - if(cstr_info && cstr_info->index_write) { - opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; - info_PK->disto += layer->disto; - if (cstr_info->D_max < info_PK->disto) { - cstr_info->D_max = info_PK->disto; - } - } + memcpy(c, layer->data, layer->len); + cblk->numpasses += layer->numpasses; + c += layer->len; + length -= layer->len; - ++cblk; - /* INDEX >> */ + /* << INDEX */ + if (cstr_info && cstr_info->index_write) { + opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; + info_PK->disto += layer->disto; + if (cstr_info->D_max < info_PK->disto) { + cstr_info->D_max = info_PK->disto; } - ++band; + } + + ++cblk; + /* INDEX >> */ } + } - assert( c >= dest ); - * p_data_written += (OPJ_UINT32)(c - dest); + assert(c >= dest); + * p_data_written += (OPJ_UINT32)(c - dest); - return OPJ_TRUE; + return OPJ_TRUE; } -static OPJ_BOOL opj_t2_skip_packet( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_tcp_t *p_tcp, - opj_pi_iterator_t *p_pi, - OPJ_BYTE *p_src, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *p_pack_info, - opj_event_mgr_t *p_manager) +static OPJ_BOOL opj_t2_skip_packet(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_tcp_t *p_tcp, + opj_pi_iterator_t *p_pi, + OPJ_BYTE *p_src, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *p_pack_info, + opj_event_mgr_t *p_manager) { - OPJ_BOOL l_read_data; - OPJ_UINT32 l_nb_bytes_read = 0; - OPJ_UINT32 l_nb_total_bytes_read = 0; + OPJ_BOOL l_read_data; + OPJ_UINT32 l_nb_bytes_read = 0; + OPJ_UINT32 l_nb_total_bytes_read = 0; - *p_data_read = 0; + *p_data_read = 0; - if (! opj_t2_read_packet_header(p_t2,p_tile,p_tcp,p_pi,&l_read_data,p_src,&l_nb_bytes_read,p_max_length,p_pack_info, p_manager)) { - return OPJ_FALSE; - } - - p_src += l_nb_bytes_read; - l_nb_total_bytes_read += l_nb_bytes_read; - p_max_length -= l_nb_bytes_read; + if (! opj_t2_read_packet_header(p_t2, p_tile, p_tcp, p_pi, &l_read_data, p_src, + &l_nb_bytes_read, p_max_length, p_pack_info, p_manager)) { + return OPJ_FALSE; + } - /* we should read data for the packet */ - if (l_read_data) { - l_nb_bytes_read = 0; + p_src += l_nb_bytes_read; + l_nb_total_bytes_read += l_nb_bytes_read; + p_max_length -= l_nb_bytes_read; - if (! opj_t2_skip_packet_data(p_t2,p_tile,p_pi,&l_nb_bytes_read,p_max_length,p_pack_info, p_manager)) { - return OPJ_FALSE; - } + /* we should read data for the packet */ + if (l_read_data) { + l_nb_bytes_read = 0; - l_nb_total_bytes_read += l_nb_bytes_read; + if (! opj_t2_skip_packet_data(p_t2, p_tile, p_pi, &l_nb_bytes_read, + p_max_length, p_pack_info, p_manager)) { + return OPJ_FALSE; } - *p_data_read = l_nb_total_bytes_read; - return OPJ_TRUE; + l_nb_total_bytes_read += l_nb_bytes_read; + } + *p_data_read = l_nb_total_bytes_read; + + return OPJ_TRUE; } -static OPJ_BOOL opj_t2_read_packet_header( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_tcp_t *p_tcp, - opj_pi_iterator_t *p_pi, - OPJ_BOOL * p_is_data_present, - OPJ_BYTE *p_src_data, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *p_pack_info, - opj_event_mgr_t *p_manager) +static OPJ_BOOL opj_t2_read_packet_header(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_tcp_t *p_tcp, + opj_pi_iterator_t *p_pi, + OPJ_BOOL * p_is_data_present, + OPJ_BYTE *p_src_data, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *p_pack_info, + opj_event_mgr_t *p_manager) { - /* loop */ - OPJ_UINT32 bandno, cblkno; - OPJ_UINT32 l_nb_code_blocks; - OPJ_UINT32 l_remaining_length; - OPJ_UINT32 l_header_length; - OPJ_UINT32 * l_modified_length_ptr = 00; - OPJ_BYTE *l_current_data = p_src_data; - opj_cp_t *l_cp = p_t2->cp; - opj_bio_t *l_bio = 00; /* BIO component */ - opj_tcd_band_t *l_band = 00; - opj_tcd_cblk_dec_t* l_cblk = 00; - opj_tcd_resolution_t* l_res = &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; - - OPJ_BYTE *l_header_data = 00; - OPJ_BYTE **l_header_data_start = 00; - - OPJ_UINT32 l_present; - - if (p_pi->layno == 0) { - l_band = l_res->bands; - - /* reset tagtrees */ - for (bandno = 0; bandno < l_res->numbands; ++bandno) { - opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; - - if ( ! ((l_band->x1-l_band->x0 == 0)||(l_band->y1-l_band->y0 == 0)) ) { - opj_tgt_reset(l_prc->incltree); - opj_tgt_reset(l_prc->imsbtree); - l_cblk = l_prc->cblks.dec; - - l_nb_code_blocks = l_prc->cw * l_prc->ch; - for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { - l_cblk->numsegs = 0; - l_cblk->real_num_segs = 0; - ++l_cblk; - } - } + /* loop */ + OPJ_UINT32 bandno, cblkno; + OPJ_UINT32 l_nb_code_blocks; + OPJ_UINT32 l_remaining_length; + OPJ_UINT32 l_header_length; + OPJ_UINT32 * l_modified_length_ptr = 00; + OPJ_BYTE *l_current_data = p_src_data; + opj_cp_t *l_cp = p_t2->cp; + opj_bio_t *l_bio = 00; /* BIO component */ + opj_tcd_band_t *l_band = 00; + opj_tcd_cblk_dec_t* l_cblk = 00; + opj_tcd_resolution_t* l_res = + &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; + + OPJ_BYTE *l_header_data = 00; + OPJ_BYTE **l_header_data_start = 00; + + OPJ_UINT32 l_present; + + if (p_pi->layno == 0) { + l_band = l_res->bands; - ++l_band; + /* reset tagtrees */ + for (bandno = 0; bandno < l_res->numbands; ++bandno) { + if (!opj_tcd_is_band_empty(l_band)) { + opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; + if (!(p_pi->precno < (l_band->precincts_data_size / sizeof( + opj_tcd_precinct_t)))) { + opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct\n"); + return OPJ_FALSE; } - } - /* SOP markers */ - if (p_tcp->csty & J2K_CP_CSTY_SOP) { - if (p_max_length < 6) { - opj_event_msg(p_manager, EVT_WARNING, "Not enough space for expected SOP marker\n"); - } else if ((*l_current_data) != 0xff || (*(l_current_data + 1) != 0x91)) { - opj_event_msg(p_manager, EVT_WARNING, "Expected SOP marker\n"); - } else { - l_current_data += 6; + opj_tgt_reset(l_prc->incltree); + opj_tgt_reset(l_prc->imsbtree); + l_cblk = l_prc->cblks.dec; + + l_nb_code_blocks = l_prc->cw * l_prc->ch; + for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { + l_cblk->numsegs = 0; + l_cblk->real_num_segs = 0; + ++l_cblk; } + } - /** TODO : check the Nsop value */ + ++l_band; } + } - /* - When the marker PPT/PPM is used the packet header are store in PPT/PPM marker - This part deal with this caracteristic - step 1: Read packet header in the saved structure - step 2: Return to codestream for decoding - */ + /* SOP markers */ - l_bio = opj_bio_create(); - if (! l_bio) { - return OPJ_FALSE; + if (p_tcp->csty & J2K_CP_CSTY_SOP) { + if (p_max_length < 6) { + opj_event_msg(p_manager, EVT_WARNING, + "Not enough space for expected SOP marker\n"); + } else if ((*l_current_data) != 0xff || (*(l_current_data + 1) != 0x91)) { + opj_event_msg(p_manager, EVT_WARNING, "Expected SOP marker\n"); + } else { + l_current_data += 6; } - if (l_cp->ppm == 1) { /* PPM */ - l_header_data_start = &l_cp->ppm_data; - l_header_data = *l_header_data_start; - l_modified_length_ptr = &(l_cp->ppm_len); - - } - else if (p_tcp->ppt == 1) { /* PPT */ - l_header_data_start = &(p_tcp->ppt_data); - l_header_data = *l_header_data_start; - l_modified_length_ptr = &(p_tcp->ppt_len); - } - else { /* Normal Case */ - l_header_data_start = &(l_current_data); - l_header_data = *l_header_data_start; - l_remaining_length = (OPJ_UINT32)(p_src_data+p_max_length-l_header_data); - l_modified_length_ptr = &(l_remaining_length); - } + /** TODO : check the Nsop value */ + } - opj_bio_init_dec(l_bio, l_header_data,*l_modified_length_ptr); - - l_present = opj_bio_read(l_bio, 1); - JAS_FPRINTF(stderr, "present=%d \n", l_present ); - if (!l_present) { - /* TODO MSD: no test to control the output of this function*/ - opj_bio_inalign(l_bio); - l_header_data += opj_bio_numbytes(l_bio); - opj_bio_destroy(l_bio); - - /* EPH markers */ - if (p_tcp->csty & J2K_CP_CSTY_EPH) { - if ((*l_modified_length_ptr - (OPJ_UINT32)(l_header_data - *l_header_data_start)) < 2U) { - opj_event_msg(p_manager, EVT_WARNING, "Not enough space for expected EPH marker\n"); - } else if ((*l_header_data) != 0xff || (*(l_header_data + 1) != 0x92)) { - opj_event_msg(p_manager, EVT_WARNING, "Expected EPH marker\n"); - } else { - l_header_data += 2; - } - } + /* + When the marker PPT/PPM is used the packet header are store in PPT/PPM marker + This part deal with this caracteristic + step 1: Read packet header in the saved structure + step 2: Return to codestream for decoding + */ - l_header_length = (OPJ_UINT32)(l_header_data - *l_header_data_start); - *l_modified_length_ptr -= l_header_length; - *l_header_data_start += l_header_length; + l_bio = opj_bio_create(); + if (! l_bio) { + return OPJ_FALSE; + } - /* << INDEX */ - /* End of packet header position. Currently only represents the distance to start of packet - Will be updated later by incrementing with packet start value */ - if (p_pack_info) { - p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data); - } - /* INDEX >> */ + if (l_cp->ppm == 1) { /* PPM */ + l_header_data_start = &l_cp->ppm_data; + l_header_data = *l_header_data_start; + l_modified_length_ptr = &(l_cp->ppm_len); + + } else if (p_tcp->ppt == 1) { /* PPT */ + l_header_data_start = &(p_tcp->ppt_data); + l_header_data = *l_header_data_start; + l_modified_length_ptr = &(p_tcp->ppt_len); + } else { /* Normal Case */ + l_header_data_start = &(l_current_data); + l_header_data = *l_header_data_start; + l_remaining_length = (OPJ_UINT32)(p_src_data + p_max_length - l_header_data); + l_modified_length_ptr = &(l_remaining_length); + } - * p_is_data_present = OPJ_FALSE; - *p_data_read = (OPJ_UINT32)(l_current_data - p_src_data); - return OPJ_TRUE; - } + opj_bio_init_dec(l_bio, l_header_data, *l_modified_length_ptr); - l_band = l_res->bands; - for (bandno = 0; bandno < l_res->numbands; ++bandno) { - opj_tcd_precinct_t *l_prc = &(l_band->precincts[p_pi->precno]); + l_present = opj_bio_read(l_bio, 1); + JAS_FPRINTF(stderr, "present=%d \n", l_present); + if (!l_present) { + /* TODO MSD: no test to control the output of this function*/ + opj_bio_inalign(l_bio); + l_header_data += opj_bio_numbytes(l_bio); + opj_bio_destroy(l_bio); - if ((l_band->x1-l_band->x0 == 0)||(l_band->y1-l_band->y0 == 0)) { - ++l_band; - continue; - } + /* EPH markers */ + if (p_tcp->csty & J2K_CP_CSTY_EPH) { + if ((*l_modified_length_ptr - (OPJ_UINT32)(l_header_data - + *l_header_data_start)) < 2U) { + opj_event_msg(p_manager, EVT_WARNING, + "Not enough space for expected EPH marker\n"); + } else if ((*l_header_data) != 0xff || (*(l_header_data + 1) != 0x92)) { + opj_event_msg(p_manager, EVT_WARNING, "Expected EPH marker\n"); + } else { + l_header_data += 2; + } + } - l_nb_code_blocks = l_prc->cw * l_prc->ch; - l_cblk = l_prc->cblks.dec; - for (cblkno = 0; cblkno < l_nb_code_blocks; cblkno++) { - OPJ_UINT32 l_included,l_increment, l_segno; - OPJ_INT32 n; - - /* if cblk not yet included before --> inclusion tagtree */ - if (!l_cblk->numsegs) { - l_included = opj_tgt_decode(l_bio, l_prc->incltree, cblkno, (OPJ_INT32)(p_pi->layno + 1)); - /* else one bit */ - } - else { - l_included = opj_bio_read(l_bio, 1); - } + l_header_length = (OPJ_UINT32)(l_header_data - *l_header_data_start); + *l_modified_length_ptr -= l_header_length; + *l_header_data_start += l_header_length; - /* if cblk not included */ - if (!l_included) { - l_cblk->numnewpasses = 0; - ++l_cblk; - JAS_FPRINTF(stderr, "included=%d \n", l_included); - continue; - } + /* << INDEX */ + /* End of packet header position. Currently only represents the distance to start of packet + Will be updated later by incrementing with packet start value */ + if (p_pack_info) { + p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data); + } + /* INDEX >> */ - /* if cblk not yet included --> zero-bitplane tagtree */ - if (!l_cblk->numsegs) { - OPJ_UINT32 i = 0; + * p_is_data_present = OPJ_FALSE; + *p_data_read = (OPJ_UINT32)(l_current_data - p_src_data); + return OPJ_TRUE; + } - while (!opj_tgt_decode(l_bio, l_prc->imsbtree, cblkno, (OPJ_INT32)i)) { - ++i; - } + l_band = l_res->bands; + for (bandno = 0; bandno < l_res->numbands; ++bandno, ++l_band) { + opj_tcd_precinct_t *l_prc = &(l_band->precincts[p_pi->precno]); - l_cblk->numbps = (OPJ_UINT32)l_band->numbps + 1 - i; - l_cblk->numlenbits = 3; - } + if (opj_tcd_is_band_empty(l_band)) { + continue; + } - /* number of coding passes */ - l_cblk->numnewpasses = opj_t2_getnumpasses(l_bio); - l_increment = opj_t2_getcommacode(l_bio); + l_nb_code_blocks = l_prc->cw * l_prc->ch; + l_cblk = l_prc->cblks.dec; + for (cblkno = 0; cblkno < l_nb_code_blocks; cblkno++) { + OPJ_UINT32 l_included, l_increment, l_segno; + OPJ_INT32 n; + + /* if cblk not yet included before --> inclusion tagtree */ + if (!l_cblk->numsegs) { + l_included = opj_tgt_decode(l_bio, l_prc->incltree, cblkno, + (OPJ_INT32)(p_pi->layno + 1)); + /* else one bit */ + } else { + l_included = opj_bio_read(l_bio, 1); + } + + /* if cblk not included */ + if (!l_included) { + l_cblk->numnewpasses = 0; + ++l_cblk; + JAS_FPRINTF(stderr, "included=%d \n", l_included); + continue; + } + + /* if cblk not yet included --> zero-bitplane tagtree */ + if (!l_cblk->numsegs) { + OPJ_UINT32 i = 0; + + while (!opj_tgt_decode(l_bio, l_prc->imsbtree, cblkno, (OPJ_INT32)i)) { + ++i; + } - /* length indicator increment */ - l_cblk->numlenbits += l_increment; - l_segno = 0; + l_cblk->numbps = (OPJ_UINT32)l_band->numbps + 1 - i; + l_cblk->numlenbits = 3; + } - if (!l_cblk->numsegs) { - if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 1)) { - opj_bio_destroy(l_bio); - return OPJ_FALSE; - } - } - else { - l_segno = l_cblk->numsegs - 1; - if (l_cblk->segs[l_segno].numpasses == l_cblk->segs[l_segno].maxpasses) { - ++l_segno; - if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 0)) { - opj_bio_destroy(l_bio); - return OPJ_FALSE; - } - } - } - n = (OPJ_INT32)l_cblk->numnewpasses; + /* number of coding passes */ + l_cblk->numnewpasses = opj_t2_getnumpasses(l_bio); + l_increment = opj_t2_getcommacode(l_bio); - do { - l_cblk->segs[l_segno].numnewpasses = (OPJ_UINT32)opj_int_min((OPJ_INT32)(l_cblk->segs[l_segno].maxpasses - l_cblk->segs[l_segno].numpasses), n); - l_cblk->segs[l_segno].newlen = opj_bio_read(l_bio, l_cblk->numlenbits + opj_uint_floorlog2(l_cblk->segs[l_segno].numnewpasses)); - JAS_FPRINTF(stderr, "included=%d numnewpasses=%d increment=%d len=%d \n", l_included, l_cblk->segs[l_segno].numnewpasses, l_increment, l_cblk->segs[l_segno].newlen ); + /* length indicator increment */ + l_cblk->numlenbits += l_increment; + l_segno = 0; - n -= (OPJ_INT32)l_cblk->segs[l_segno].numnewpasses; - if (n > 0) { - ++l_segno; + if (!l_cblk->numsegs) { + if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 1)) { + opj_bio_destroy(l_bio); + return OPJ_FALSE; + } + } else { + l_segno = l_cblk->numsegs - 1; + if (l_cblk->segs[l_segno].numpasses == l_cblk->segs[l_segno].maxpasses) { + ++l_segno; + if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 0)) { + opj_bio_destroy(l_bio); + return OPJ_FALSE; + } + } + } + n = (OPJ_INT32)l_cblk->numnewpasses; + + do { + OPJ_UINT32 bit_number; + l_cblk->segs[l_segno].numnewpasses = (OPJ_UINT32)opj_int_min((OPJ_INT32)( + l_cblk->segs[l_segno].maxpasses - l_cblk->segs[l_segno].numpasses), n); + bit_number = l_cblk->numlenbits + opj_uint_floorlog2( + l_cblk->segs[l_segno].numnewpasses); + if (bit_number > 32) { + opj_event_msg(p_manager, EVT_ERROR, + "Invalid bit number %d in opj_t2_read_packet_header()\n", + bit_number); + opj_bio_destroy(l_bio); + return OPJ_FALSE; + } + l_cblk->segs[l_segno].newlen = opj_bio_read(l_bio, bit_number); + JAS_FPRINTF(stderr, "included=%d numnewpasses=%d increment=%d len=%d \n", + l_included, l_cblk->segs[l_segno].numnewpasses, l_increment, + l_cblk->segs[l_segno].newlen); - if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 0)) { - opj_bio_destroy(l_bio); - return OPJ_FALSE; - } - } - } while (n > 0); + n -= (OPJ_INT32)l_cblk->segs[l_segno].numnewpasses; + if (n > 0) { + ++l_segno; - ++l_cblk; + if (! opj_t2_init_seg(l_cblk, l_segno, p_tcp->tccps[p_pi->compno].cblksty, 0)) { + opj_bio_destroy(l_bio); + return OPJ_FALSE; + } } + } while (n > 0); - ++l_band; - } - - if (!opj_bio_inalign(l_bio)) { - opj_bio_destroy(l_bio); - return OPJ_FALSE; + ++l_cblk; } + } - l_header_data += opj_bio_numbytes(l_bio); + if (!opj_bio_inalign(l_bio)) { opj_bio_destroy(l_bio); + return OPJ_FALSE; + } - /* EPH markers */ - if (p_tcp->csty & J2K_CP_CSTY_EPH) { - if ((*l_modified_length_ptr - (OPJ_UINT32)(l_header_data - *l_header_data_start)) < 2U) { - opj_event_msg(p_manager, EVT_WARNING, "Not enough space for expected EPH marker\n"); - } else if ((*l_header_data) != 0xff || (*(l_header_data + 1) != 0x92)) { - opj_event_msg(p_manager, EVT_WARNING, "Expected EPH marker\n"); - } else { - l_header_data += 2; - } + l_header_data += opj_bio_numbytes(l_bio); + opj_bio_destroy(l_bio); + + /* EPH markers */ + if (p_tcp->csty & J2K_CP_CSTY_EPH) { + if ((*l_modified_length_ptr - (OPJ_UINT32)(l_header_data - + *l_header_data_start)) < 2U) { + opj_event_msg(p_manager, EVT_WARNING, + "Not enough space for expected EPH marker\n"); + } else if ((*l_header_data) != 0xff || (*(l_header_data + 1) != 0x92)) { + opj_event_msg(p_manager, EVT_WARNING, "Expected EPH marker\n"); + } else { + l_header_data += 2; } + } - l_header_length = (OPJ_UINT32)(l_header_data - *l_header_data_start); - JAS_FPRINTF( stderr, "hdrlen=%d \n", l_header_length ); - JAS_FPRINTF( stderr, "packet body\n"); - *l_modified_length_ptr -= l_header_length; - *l_header_data_start += l_header_length; - - /* << INDEX */ - /* End of packet header position. Currently only represents the distance to start of packet - Will be updated later by incrementing with packet start value */ - if (p_pack_info) { - p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data); - } - /* INDEX >> */ + l_header_length = (OPJ_UINT32)(l_header_data - *l_header_data_start); + JAS_FPRINTF(stderr, "hdrlen=%d \n", l_header_length); + JAS_FPRINTF(stderr, "packet body\n"); + *l_modified_length_ptr -= l_header_length; + *l_header_data_start += l_header_length; + + /* << INDEX */ + /* End of packet header position. Currently only represents the distance to start of packet + Will be updated later by incrementing with packet start value */ + if (p_pack_info) { + p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data); + } + /* INDEX >> */ - *p_is_data_present = OPJ_TRUE; - *p_data_read = (OPJ_UINT32)(l_current_data - p_src_data); + *p_is_data_present = OPJ_TRUE; + *p_data_read = (OPJ_UINT32)(l_current_data - p_src_data); - return OPJ_TRUE; + return OPJ_TRUE; } -static OPJ_BOOL opj_t2_read_packet_data( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_pi_iterator_t *p_pi, - OPJ_BYTE *p_src_data, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *pack_info, - opj_event_mgr_t* p_manager) +static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_pi_iterator_t *p_pi, + OPJ_BYTE *p_src_data, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *pack_info, + opj_event_mgr_t* p_manager) { - OPJ_UINT32 bandno, cblkno; - OPJ_UINT32 l_nb_code_blocks; - OPJ_BYTE *l_current_data = p_src_data; - opj_tcd_band_t *l_band = 00; - opj_tcd_cblk_dec_t* l_cblk = 00; - opj_tcd_resolution_t* l_res = &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; + OPJ_UINT32 bandno, cblkno; + OPJ_UINT32 l_nb_code_blocks; + OPJ_BYTE *l_current_data = p_src_data; + opj_tcd_band_t *l_band = 00; + opj_tcd_cblk_dec_t* l_cblk = 00; + opj_tcd_resolution_t* l_res = + &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; + + OPJ_ARG_NOT_USED(p_t2); + OPJ_ARG_NOT_USED(pack_info); + + l_band = l_res->bands; + for (bandno = 0; bandno < l_res->numbands; ++bandno) { + opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; + + if ((l_band->x1 - l_band->x0 == 0) || (l_band->y1 - l_band->y0 == 0)) { + ++l_band; + continue; + } - OPJ_ARG_NOT_USED(p_t2); - OPJ_ARG_NOT_USED(pack_info); + l_nb_code_blocks = l_prc->cw * l_prc->ch; + l_cblk = l_prc->cblks.dec; - l_band = l_res->bands; - for (bandno = 0; bandno < l_res->numbands; ++bandno) { - opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; + for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { + opj_tcd_seg_t *l_seg = 00; + + if (!l_cblk->numnewpasses) { + /* nothing to do */ + ++l_cblk; + continue; + } + + if (!l_cblk->numsegs) { + l_seg = l_cblk->segs; + ++l_cblk->numsegs; + } else { + l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; - if ((l_band->x1-l_band->x0 == 0)||(l_band->y1-l_band->y0 == 0)) { - ++l_band; - continue; + if (l_seg->numpasses == l_seg->maxpasses) { + ++l_seg; + ++l_cblk->numsegs; + } + } + + do { + /* Check possible overflow (on l_current_data only, assumes input args already checked) then size */ + if ((((OPJ_SIZE_T)l_current_data + (OPJ_SIZE_T)l_seg->newlen) < + (OPJ_SIZE_T)l_current_data) || + (l_current_data + l_seg->newlen > p_src_data + p_max_length)) { + opj_event_msg(p_manager, EVT_ERROR, + "read: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", + l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, + p_pi->compno); + return OPJ_FALSE; } - l_nb_code_blocks = l_prc->cw * l_prc->ch; - l_cblk = l_prc->cblks.dec; +#ifdef USE_JPWL + /* we need here a j2k handle to verify if making a check to + the validity of cblocks parameters is selected from user (-W) */ + + /* let's check that we are not exceeding */ + if ((l_cblk->len + l_seg->newlen) > 8192) { + opj_event_msg(p_manager, EVT_WARNING, + "JPWL: segment too long (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", + l_seg->newlen, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); + if (!JPWL_ASSUME) { + opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); + return OPJ_FALSE; + } + l_seg->newlen = 8192 - l_cblk->len; + opj_event_msg(p_manager, EVT_WARNING, " - truncating segment to %d\n", + l_seg->newlen); + break; + }; - for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { - opj_tcd_seg_t *l_seg = 00; +#endif /* USE_JPWL */ - if (!l_cblk->numnewpasses) { - /* nothing to do */ - ++l_cblk; - continue; - } + if (l_cblk->numchunks == l_cblk->numchunksalloc) { + OPJ_UINT32 l_numchunksalloc = l_cblk->numchunksalloc * 2 + 1; + opj_tcd_seg_data_chunk_t* l_chunks = + (opj_tcd_seg_data_chunk_t*)opj_realloc(l_cblk->chunks, + l_numchunksalloc * sizeof(opj_tcd_seg_data_chunk_t)); + if (l_chunks == NULL) { + opj_event_msg(p_manager, EVT_ERROR, + "cannot allocate opj_tcd_seg_data_chunk_t* array"); + return OPJ_FALSE; + } + l_cblk->chunks = l_chunks; + l_cblk->numchunksalloc = l_numchunksalloc; + } - if (!l_cblk->numsegs) { - l_seg = l_cblk->segs; - ++l_cblk->numsegs; - l_cblk->data_current_size = 0; - } - else { - l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; + l_cblk->chunks[l_cblk->numchunks].data = l_current_data; + l_cblk->chunks[l_cblk->numchunks].len = l_seg->newlen; + l_cblk->numchunks ++; - if (l_seg->numpasses == l_seg->maxpasses) { - ++l_seg; - ++l_cblk->numsegs; - } - } + l_current_data += l_seg->newlen; + l_seg->len += l_seg->newlen; + l_seg->numpasses += l_seg->numnewpasses; + l_cblk->numnewpasses -= l_seg->numnewpasses; - do { - /* Check possible overflow (on l_current_data only, assumes input args already checked) then size */ - if ((((OPJ_SIZE_T)l_current_data + (OPJ_SIZE_T)l_seg->newlen) < (OPJ_SIZE_T)l_current_data) || (l_current_data + l_seg->newlen > p_src_data + p_max_length)) { - opj_event_msg(p_manager, EVT_ERROR, "read: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", - l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); - return OPJ_FALSE; - } + l_seg->real_num_passes = l_seg->numpasses; -#ifdef USE_JPWL - /* we need here a j2k handle to verify if making a check to - the validity of cblocks parameters is selected from user (-W) */ - - /* let's check that we are not exceeding */ - if ((l_cblk->len + l_seg->newlen) > 8192) { - opj_event_msg(p_manager, EVT_WARNING, - "JPWL: segment too long (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", - l_seg->newlen, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); - if (!JPWL_ASSUME) { - opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); - return OPJ_FALSE; - } - l_seg->newlen = 8192 - l_cblk->len; - opj_event_msg(p_manager, EVT_WARNING, " - truncating segment to %d\n", l_seg->newlen); - break; - }; + if (l_cblk->numnewpasses > 0) { + ++l_seg; + ++l_cblk->numsegs; + } + } while (l_cblk->numnewpasses > 0); -#endif /* USE_JPWL */ - /* Check possible overflow on size */ - if ((l_cblk->data_current_size + l_seg->newlen) < l_cblk->data_current_size) { - opj_event_msg(p_manager, EVT_ERROR, "read: segment too long (%d) with current size (%d > %d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", - l_seg->newlen, l_cblk->data_current_size, 0xFFFFFFFF - l_seg->newlen, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); - return OPJ_FALSE; - } - /* Check if the cblk->data have allocated enough memory */ - if ((l_cblk->data_current_size + l_seg->newlen) > l_cblk->data_max_size) { - OPJ_BYTE* new_cblk_data = (OPJ_BYTE*) opj_realloc(l_cblk->data, l_cblk->data_current_size + l_seg->newlen); - if(! new_cblk_data) { - opj_free(l_cblk->data); - l_cblk->data = NULL; - l_cblk->data_max_size = 0; - /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to realloc code block cata!\n"); */ - return OPJ_FALSE; - } - l_cblk->data_max_size = l_cblk->data_current_size + l_seg->newlen; - l_cblk->data = new_cblk_data; - } - - memcpy(l_cblk->data + l_cblk->data_current_size, l_current_data, l_seg->newlen); - - if (l_seg->numpasses == 0) { - l_seg->data = &l_cblk->data; - l_seg->dataindex = l_cblk->data_current_size; - } - - l_current_data += l_seg->newlen; - l_seg->numpasses += l_seg->numnewpasses; - l_cblk->numnewpasses -= l_seg->numnewpasses; - - l_seg->real_num_passes = l_seg->numpasses; - l_cblk->data_current_size += l_seg->newlen; - l_seg->len += l_seg->newlen; - - if (l_cblk->numnewpasses > 0) { - ++l_seg; - ++l_cblk->numsegs; - } - } while (l_cblk->numnewpasses > 0); - - l_cblk->real_num_segs = l_cblk->numsegs; - ++l_cblk; - } /* next code_block */ - - ++l_band; - } + l_cblk->real_num_segs = l_cblk->numsegs; + ++l_cblk; + } /* next code_block */ - *(p_data_read) = (OPJ_UINT32)(l_current_data - p_src_data); + ++l_band; + } + *(p_data_read) = (OPJ_UINT32)(l_current_data - p_src_data); - return OPJ_TRUE; + + return OPJ_TRUE; } -static OPJ_BOOL opj_t2_skip_packet_data( opj_t2_t* p_t2, - opj_tcd_tile_t *p_tile, - opj_pi_iterator_t *p_pi, - OPJ_UINT32 * p_data_read, - OPJ_UINT32 p_max_length, - opj_packet_info_t *pack_info, - opj_event_mgr_t *p_manager) +static OPJ_BOOL opj_t2_skip_packet_data(opj_t2_t* p_t2, + opj_tcd_tile_t *p_tile, + opj_pi_iterator_t *p_pi, + OPJ_UINT32 * p_data_read, + OPJ_UINT32 p_max_length, + opj_packet_info_t *pack_info, + opj_event_mgr_t *p_manager) { - OPJ_UINT32 bandno, cblkno; - OPJ_UINT32 l_nb_code_blocks; - opj_tcd_band_t *l_band = 00; - opj_tcd_cblk_dec_t* l_cblk = 00; - opj_tcd_resolution_t* l_res = &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; - - OPJ_ARG_NOT_USED(p_t2); - OPJ_ARG_NOT_USED(pack_info); + OPJ_UINT32 bandno, cblkno; + OPJ_UINT32 l_nb_code_blocks; + opj_tcd_band_t *l_band = 00; + opj_tcd_cblk_dec_t* l_cblk = 00; + opj_tcd_resolution_t* l_res = + &p_tile->comps[p_pi->compno].resolutions[p_pi->resno]; - *p_data_read = 0; - l_band = l_res->bands; + OPJ_ARG_NOT_USED(p_t2); + OPJ_ARG_NOT_USED(pack_info); - for (bandno = 0; bandno < l_res->numbands; ++bandno) { - opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; + *p_data_read = 0; + l_band = l_res->bands; - if ((l_band->x1-l_band->x0 == 0)||(l_band->y1-l_band->y0 == 0)) { - ++l_band; - continue; - } + for (bandno = 0; bandno < l_res->numbands; ++bandno) { + opj_tcd_precinct_t *l_prc = &l_band->precincts[p_pi->precno]; - l_nb_code_blocks = l_prc->cw * l_prc->ch; - l_cblk = l_prc->cblks.dec; + if ((l_band->x1 - l_band->x0 == 0) || (l_band->y1 - l_band->y0 == 0)) { + ++l_band; + continue; + } - for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { - opj_tcd_seg_t *l_seg = 00; + l_nb_code_blocks = l_prc->cw * l_prc->ch; + l_cblk = l_prc->cblks.dec; - if (!l_cblk->numnewpasses) { - /* nothing to do */ - ++l_cblk; - continue; - } + for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) { + opj_tcd_seg_t *l_seg = 00; - if (!l_cblk->numsegs) { - l_seg = l_cblk->segs; - ++l_cblk->numsegs; - l_cblk->data_current_size = 0; - } - else { - l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; + if (!l_cblk->numnewpasses) { + /* nothing to do */ + ++l_cblk; + continue; + } - if (l_seg->numpasses == l_seg->maxpasses) { - ++l_seg; - ++l_cblk->numsegs; - } - } + if (!l_cblk->numsegs) { + l_seg = l_cblk->segs; + ++l_cblk->numsegs; + } else { + l_seg = &l_cblk->segs[l_cblk->numsegs - 1]; - do { - /* Check possible overflow then size */ - if (((*p_data_read + l_seg->newlen) < (*p_data_read)) || ((*p_data_read + l_seg->newlen) > p_max_length)) { - opj_event_msg(p_manager, EVT_ERROR, "skip: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", - l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); - return OPJ_FALSE; - } + if (l_seg->numpasses == l_seg->maxpasses) { + ++l_seg; + ++l_cblk->numsegs; + } + } + + do { + /* Check possible overflow then size */ + if (((*p_data_read + l_seg->newlen) < (*p_data_read)) || + ((*p_data_read + l_seg->newlen) > p_max_length)) { + opj_event_msg(p_manager, EVT_ERROR, + "skip: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", + l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno, + p_pi->compno); + return OPJ_FALSE; + } #ifdef USE_JPWL - /* we need here a j2k handle to verify if making a check to - the validity of cblocks parameters is selected from user (-W) */ - - /* let's check that we are not exceeding */ - if ((l_cblk->len + l_seg->newlen) > 8192) { - opj_event_msg(p_manager, EVT_WARNING, - "JPWL: segment too long (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", - l_seg->newlen, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); - if (!JPWL_ASSUME) { - opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); - return -999; - } - l_seg->newlen = 8192 - l_cblk->len; - opj_event_msg(p_manager, EVT_WARNING, " - truncating segment to %d\n", l_seg->newlen); - break; - }; + /* we need here a j2k handle to verify if making a check to + the validity of cblocks parameters is selected from user (-W) */ + + /* let's check that we are not exceeding */ + if ((l_cblk->len + l_seg->newlen) > 8192) { + opj_event_msg(p_manager, EVT_WARNING, + "JPWL: segment too long (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n", + l_seg->newlen, cblkno, p_pi->precno, bandno, p_pi->resno, p_pi->compno); + if (!JPWL_ASSUME) { + opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); + return -999; + } + l_seg->newlen = 8192 - l_cblk->len; + opj_event_msg(p_manager, EVT_WARNING, " - truncating segment to %d\n", + l_seg->newlen); + break; + }; #endif /* USE_JPWL */ - JAS_FPRINTF(stderr, "p_data_read (%d) newlen (%d) \n", *p_data_read, l_seg->newlen ); - *(p_data_read) += l_seg->newlen; - - l_seg->numpasses += l_seg->numnewpasses; - l_cblk->numnewpasses -= l_seg->numnewpasses; - if (l_cblk->numnewpasses > 0) - { - ++l_seg; - ++l_cblk->numsegs; - } - } while (l_cblk->numnewpasses > 0); - - ++l_cblk; + JAS_FPRINTF(stderr, "p_data_read (%d) newlen (%d) \n", *p_data_read, + l_seg->newlen); + *(p_data_read) += l_seg->newlen; + + l_seg->numpasses += l_seg->numnewpasses; + l_cblk->numnewpasses -= l_seg->numnewpasses; + if (l_cblk->numnewpasses > 0) { + ++l_seg; + ++l_cblk->numsegs; } + } while (l_cblk->numnewpasses > 0); - ++l_band; + ++l_cblk; } - return OPJ_TRUE; + ++l_band; + } + + return OPJ_TRUE; } -OPJ_BOOL opj_t2_init_seg( opj_tcd_cblk_dec_t* cblk, - OPJ_UINT32 index, - OPJ_UINT32 cblksty, - OPJ_UINT32 first) +static OPJ_BOOL opj_t2_init_seg(opj_tcd_cblk_dec_t* cblk, + OPJ_UINT32 index, + OPJ_UINT32 cblksty, + OPJ_UINT32 first) { - opj_tcd_seg_t* seg = 00; - OPJ_UINT32 l_nb_segs = index + 1; - - if (l_nb_segs > cblk->m_current_max_segs) { - opj_tcd_seg_t* new_segs; - cblk->m_current_max_segs += OPJ_J2K_DEFAULT_NB_SEGS; - - new_segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, cblk->m_current_max_segs * sizeof(opj_tcd_seg_t)); - if(! new_segs) { - opj_free(cblk->segs); - cblk->segs = NULL; - cblk->m_current_max_segs = 0; - /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to initialize segment %d\n", l_nb_segs); */ - return OPJ_FALSE; - } - cblk->segs = new_segs; + opj_tcd_seg_t* seg = 00; + OPJ_UINT32 l_nb_segs = index + 1; + + if (l_nb_segs > cblk->m_current_max_segs) { + opj_tcd_seg_t* new_segs; + OPJ_UINT32 l_m_current_max_segs = cblk->m_current_max_segs + + OPJ_J2K_DEFAULT_NB_SEGS; + + new_segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, + l_m_current_max_segs * sizeof(opj_tcd_seg_t)); + if (! new_segs) { + /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to initialize segment %d\n", l_nb_segs); */ + return OPJ_FALSE; } + cblk->segs = new_segs; + memset(new_segs + cblk->m_current_max_segs, + 0, OPJ_J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t)); + cblk->m_current_max_segs = l_m_current_max_segs; + } - seg = &cblk->segs[index]; - memset(seg,0,sizeof(opj_tcd_seg_t)); + seg = &cblk->segs[index]; + opj_tcd_reinit_segment(seg); - if (cblksty & J2K_CCP_CBLKSTY_TERMALL) { - seg->maxpasses = 1; - } - else if (cblksty & J2K_CCP_CBLKSTY_LAZY) { - if (first) { - seg->maxpasses = 10; - } else { - seg->maxpasses = (((seg - 1)->maxpasses == 1) || ((seg - 1)->maxpasses == 10)) ? 2 : 1; - } + if (cblksty & J2K_CCP_CBLKSTY_TERMALL) { + seg->maxpasses = 1; + } else if (cblksty & J2K_CCP_CBLKSTY_LAZY) { + if (first) { + seg->maxpasses = 10; } else { - seg->maxpasses = 109; + seg->maxpasses = (((seg - 1)->maxpasses == 1) || + ((seg - 1)->maxpasses == 10)) ? 2 : 1; } + } else { + /* See paragraph "B.10.6 Number of coding passes" of the standard. + * Probably that 109 must be interpreted a (Mb-1)*3 + 1 with Mb=37, + * Mb being the maximum number of bit-planes available for the + * representation of coefficients in the sub-band */ + seg->maxpasses = 109; + } - return OPJ_TRUE; + return OPJ_TRUE; } |