diff --git a/CHANGES b/CHANGES index ab862605..7f1b2920 100644 --- a/CHANGES +++ b/CHANGES @@ -6,6 +6,7 @@ What's New for OpenJPEG + : added September 19, 2011 ++ [mickael] WIP: add support of jp2 for new j2k_dump function and some other small stuff + [mickael] WIP: new image_header struct is used and enable used of cstr_info + [mickael] WIP: manage the case of event_mgr is not provided to setup_decoder function + [mickael] WIP: insert elements from V2 framework into the trunk (add missing files). diff --git a/applications/codec/index.c b/applications/codec/index.c index 873b3403..3765819b 100644 --- a/applications/codec/index.c +++ b/applications/codec/index.c @@ -29,6 +29,8 @@ #include #include #include +#include + #include "openjpeg.h" #include "index.h" @@ -389,3 +391,354 @@ int write_index_file(opj_codestream_info_t *cstr_info, char *index) { return 0; } + +/* ------------------------------------------------------------------------------------ */ + +/** +Write a structured index to a file +@param cstr_info Codestream information +@param index Index filename +@return Returns 0 if successful, returns 1 otherwise +*/ +int write_index_file_v2(FILE* stream, opj_codestream_info_t *cstr_info) { + int tileno, compno, layno, resno, precno, pack_nb, x, y; + double total_disto = 0; +/* UniPG>> */ + int tilepartno; + char disto_on, numpix_on; + +#ifdef USE_JPWL + if (!strcmp(index, JPWL_PRIVATEINDEX_NAME)) + return EXIT_SUCCESS; +#endif /* USE_JPWL */ +/* <tile[0].distotile) + disto_on = 1; + else + disto_on = 0; + + if (cstr_info->tile[0].numpix) + numpix_on = 1; + else + numpix_on = 0; + + fprintf(stream, "%d %d\n", cstr_info->image_w, cstr_info->image_h); + fprintf(stream, "%d\n", cstr_info->prog); + fprintf(stream, "%d %d\n", cstr_info->tile_x, cstr_info->tile_y); + fprintf(stream, "%d %d\n", cstr_info->tw, cstr_info->th); + fprintf(stream, "%d\n", cstr_info->numcomps); + fprintf(stream, "%d\n", cstr_info->numlayers); + fprintf(stream, "%d\n", cstr_info->numdecompos[0]); /* based on component 0 */ + + for (resno = cstr_info->numdecompos[0]; resno >= 0; resno--) { + fprintf(stream, "[%d,%d] ", + (1 << cstr_info->tile[0].pdx[resno]), (1 << cstr_info->tile[0].pdx[resno])); /* based on tile 0 and component 0 */ + } + + fprintf(stream, "\n"); +/* UniPG>> */ + fprintf(stream, "%d\n", cstr_info->main_head_start); +/* <main_head_end); + fprintf(stream, "%d\n", cstr_info->codestream_size); + + fprintf(stream, "\nINFO ON TILES\n"); + fprintf(stream, "tileno start_pos end_hd end_tile nbparts"); + if (disto_on) + fprintf(stream," disto"); + if (numpix_on) + fprintf(stream," nbpix"); + if (disto_on && numpix_on) + fprintf(stream," disto/nbpix"); + fprintf(stream, "\n"); + + for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { + fprintf(stream, "%4d %9d %9d %9d %9d", + cstr_info->tile[tileno].tileno, + cstr_info->tile[tileno].start_pos, + cstr_info->tile[tileno].end_header, + cstr_info->tile[tileno].end_pos, + cstr_info->tile[tileno].num_tps); + if (disto_on) + fprintf(stream," %9e", cstr_info->tile[tileno].distotile); + if (numpix_on) + fprintf(stream," %9d", cstr_info->tile[tileno].numpix); + if (disto_on && numpix_on) + fprintf(stream," %9e", cstr_info->tile[tileno].distotile / cstr_info->tile[tileno].numpix); + fprintf(stream, "\n"); + } + + for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { + int start_pos, end_ph_pos, end_pos; + double disto = 0; + int max_numdecompos = 0; + pack_nb = 0; + + for (compno = 0; compno < cstr_info->numcomps; compno++) { + if (max_numdecompos < cstr_info->numdecompos[compno]) + max_numdecompos = cstr_info->numdecompos[compno]; + } + + fprintf(stream, "\nTILE %d DETAILS\n", tileno); + fprintf(stream, "part_nb tileno start_pack num_packs start_pos end_tph_pos end_pos\n"); + for (tilepartno = 0; tilepartno < cstr_info->tile[tileno].num_tps; tilepartno++) + fprintf(stream, "%4d %9d %9d %9d %9d %11d %9d\n", + tilepartno, tileno, + cstr_info->tile[tileno].tp[tilepartno].tp_start_pack, + cstr_info->tile[tileno].tp[tilepartno].tp_numpacks, + cstr_info->tile[tileno].tp[tilepartno].tp_start_pos, + cstr_info->tile[tileno].tp[tilepartno].tp_end_header, + cstr_info->tile[tileno].tp[tilepartno].tp_end_pos + ); + + if (cstr_info->prog == LRCP) { /* LRCP */ + fprintf(stream, "LRCP\npack_nb tileno layno resno compno precno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (layno = 0; layno < cstr_info->numlayers; layno++) { + for (resno = 0; resno < max_numdecompos + 1; resno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int prec_max; + if (resno > cstr_info->numdecompos[compno]) + break; + prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < prec_max; precno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %7d %5d %6d %6d %6d %6d %7d", + pack_nb, tileno, layno, resno, compno, precno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + } + } + } /* LRCP */ + + else if (cstr_info->prog == RLCP) { /* RLCP */ + fprintf(stream, "RLCP\npack_nb tileno resno layno compno precno start_pos end_ph_pos end_pos\n"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (resno = 0; resno < max_numdecompos + 1; resno++) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int prec_max; + if (resno > cstr_info->numdecompos[compno]) + break; + prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < prec_max; precno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %7d", + pack_nb, tileno, resno, layno, compno, precno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + } + } + } /* RLCP */ + + else if (cstr_info->prog == RPCL) { /* RPCL */ + + fprintf(stream, "RPCL\npack_nb tileno resno precno compno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < numprec; precno++) { + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor((float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (resno > cstr_info->numdecompos[compno]) + break; + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %7d", + pack_nb, tileno, resno, precno, compno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* precno */ + } /* compno */ + } /* resno */ + } /* RPCL */ + + else if (cstr_info->prog == PCRL) { /* PCRL */ + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + + // Count the maximum number of precincts + int max_numprec = 0; + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + if (numprec > max_numprec) + max_numprec = numprec; + } + + fprintf(stream, "PCRL\npack_nb tileno precno compno resno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (precno = 0; precno < max_numprec; precno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (precno >= numprec) + continue; + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", + pack_nb, tileno, precno, compno, resno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* resno */ + } /* compno */ + } /* precno */ + } /* PCRL */ + + else { /* CPRL */ + // Count the maximum number of precincts + int max_numprec = 0; + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + if (numprec > max_numprec) + max_numprec = numprec; + } + + fprintf(stream, "CPRL\npack_nb tileno compno precno resno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (compno = 0; compno < cstr_info->numcomps; compno++) { + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + + for (precno = 0; precno < max_numprec; precno++) { + for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (precno >= numprec) + continue; + + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", + pack_nb, tileno, compno, precno, resno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* resno */ + } /* precno */ + } /* compno */ + } /* CPRL */ + } /* tileno */ + + if (disto_on) { + fprintf(stream, "%8e\n", cstr_info->D_max); /* SE max */ + fprintf(stream, "%.8e\n", total_disto); /* SE totale */ + } +/* UniPG>> */ + /* print the markers' list */ + if (cstr_info->marknum) { + fprintf(stream, "\nMARKER LIST\n"); + fprintf(stream, "%d\n", cstr_info->marknum); + fprintf(stream, "type\tstart_pos length\n"); + for (x = 0; x < cstr_info->marknum; x++) + fprintf(stream, "%X\t%9d %9d\n", cstr_info->marker[x].type, cstr_info->marker[x].pos, cstr_info->marker[x].len); + } +/* < * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -474,6 +475,7 @@ int main(int argc, char *argv[]) if (parameters.decod_format == J2K_CFMT){ /* dump image */ j2k_dump_image(fout, image); + write_index_file_v2(fout, cstr_info); /* dump cp */ //j2k_dump_cp(stdout, image, ((opj_codec_private_t)dinfo)->m_codec); //j2k_dump_cp(fout, image, ((opj_j2k_t*)dinfo->j2k_handle)->cp); @@ -541,6 +543,8 @@ static void j2k_dump_image(FILE *fd, opj_image_header_t * img) { fprintf(fd, " sgnd=%d\n", comp->sgnd); fprintf(fd, " }\n"); } + fprintf(fd, " XTOsiz=%d, YTOsiz=%d, XTsiz=%d, YTsiz=%d\n", img->tile_x0, img->tile_y0, img->tile_width, img->tile_height); + fprintf(fd, " Nb of tiles in x direction=%d, Nb of tiles in y direction=%d\n", img->nb_tiles_x, img->nb_tiles_y); fprintf(fd, "}\n"); } diff --git a/libopenjpeg/j2k.c b/libopenjpeg/j2k.c index f605ccbc..345b231f 100644 --- a/libopenjpeg/j2k.c +++ b/libopenjpeg/j2k.c @@ -3693,6 +3693,27 @@ void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) { } } +void j2k_setup_decoder_v2(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters) { + if(j2k && parameters) { + /* create and initialize the coding parameters structure */ + //opj_cp_v2_t *cp = (opj_cp_v2_t*) opj_calloc(1, sizeof(opj_cp_v2_t)); + j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer; + j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce; + + /*cp->reduce = parameters->cp_reduce; + cp->layer = parameters->cp_layer; + cp->limit_decoding = parameters->cp_limit_decoding;*/ + + // TODO MS +#ifdef USE_JPWL + cp->correct = parameters->jpwl_correct; + cp->exp_comps = parameters->jpwl_exp_comps; + cp->max_tiles = parameters->jpwl_max_tiles; +#endif /* USE_JPWL */ + + } +} + opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) { opj_image_t *image = NULL; @@ -3888,6 +3909,43 @@ opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) { return j2k; } +opj_j2k_v2_t* j2k_create_compress_v2() +{ + opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t)); + if (!l_j2k) { + return NULL; + } + + memset(l_j2k,0,sizeof(opj_j2k_v2_t)); + + l_j2k->m_is_decoder = 0; + l_j2k->m_cp.m_is_decoder = 0; + + l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE); + if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) { + j2k_destroy(l_j2k); + return NULL; + } + + l_j2k->m_specific_param.m_encoder.m_header_tile_data_size = J2K_DEFAULT_HEADER_SIZE; + + // validation list creation + l_j2k->m_validation_list = opj_procedure_list_create(); + if (! l_j2k->m_validation_list) { + j2k_destroy(l_j2k); + return NULL; + } + + // execution list creation + l_j2k->m_procedure_list = opj_procedure_list_create(); + if (! l_j2k->m_procedure_list) { + j2k_destroy(l_j2k); + return NULL; + } + + return l_j2k; +} + void j2k_destroy_compress(opj_j2k_t *j2k) { int tileno; @@ -4443,7 +4501,7 @@ static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsi * codestream. */ opj_bool j2k_end_decompress( - opj_j2k_t *p_j2k, + opj_j2k_v2_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager) { diff --git a/libopenjpeg/j2k.h b/libopenjpeg/j2k.h index e617eff5..fa532ed1 100644 --- a/libopenjpeg/j2k.h +++ b/libopenjpeg/j2k.h @@ -784,6 +784,9 @@ Decoding parameters are returned in j2k->cp. @param parameters decompression parameters */ void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters); + +void j2k_setup_decoder_v2(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters); + /** Decode an image from a JPEG-2000 codestream @param j2k J2K decompressor handle @@ -806,6 +809,14 @@ Creates a J2K compression structure @return Returns a handle to a J2K compressor if successful, returns NULL otherwise */ opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo); + +/** +Creates a J2K compression structure +@param cinfo Codec context info +@return Returns a handle to a J2K compressor if successful, returns NULL otherwise +*/ +opj_j2k_v2_t* j2k_create_compress_v2(); + /** Destroy a J2K compressor handle @param j2k J2K compressor handle to destroy @@ -842,7 +853,7 @@ opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_code * Ends the decompression procedures and possibiliy add data to be read after the * codestream. */ -opj_bool j2k_end_decompress(opj_j2k_t *j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager); +opj_bool j2k_end_decompress(opj_j2k_v2_t *j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager); /** * Reads a jpeg2000 codestream header structure. diff --git a/libopenjpeg/jp2.c b/libopenjpeg/jp2.c index 1029746c..84da39e9 100644 --- a/libopenjpeg/jp2.c +++ b/libopenjpeg/jp2.c @@ -34,6 +34,8 @@ /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ /*@{*/ +#define BOX_SIZE 1024 + /** @name Local static functions */ /*@{*/ @@ -53,9 +55,51 @@ Read the IHDR box - Image Header box @return Returns true if successful, returns false otherwise */ static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio); + +/** + * Reads a IHDR box - Image Header box + * + * @param p_image_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_image_header_size the size of the image header + * @param p_manager the user event manager. + * + * @return true if the image header is valid, fale else. + */ +static opj_bool jp2_read_ihdr_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_image_header_data, + unsigned int p_image_header_size, + struct opj_event_mgr * p_manager + ); + static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio); static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio); static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio); + +/** + * Reads a Bit per Component box. + * + * @param p_bpc_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_bpc_header_size the size of the bpc header + * @param p_manager the user event manager. + * + * @return true if the bpc header is valid, fale else. + */ +static opj_bool jp2_read_bpcc_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_bpc_header_data, + unsigned int p_bpc_header_size, + struct opj_event_mgr * p_manager + ); + +static opj_bool jp2_read_cdef_v2( opj_jp2_v2_t * jp2, + unsigned char * p_cdef_header_data, + OPJ_UINT32 p_cdef_header_size, + opj_event_mgr_t * p_manager + ); + static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio); /** Write the FTYP box - File type box @@ -70,6 +114,41 @@ Read the FTYP box - File type box @return Returns true if successful, returns false otherwise */ static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio); + +/** + * Reads a a FTYP box - File type box + * + * @param p_header_data the data contained in the FTYP box. + * @param jp2 the jpeg2000 file codec. + * @param p_header_size the size of the data contained in the FTYP box. + * @param p_manager the user event manager. + * + * @return true if the FTYP box is valid. + */ +static opj_bool jp2_read_ftyp_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_header_data, + unsigned int p_header_size, + struct opj_event_mgr * p_manager + ); + +/** + * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). + * + * @param p_header_data the data contained in the file header box. + * @param jp2 the jpeg2000 file codec. + * @param p_header_size the size of the data contained in the file header box. + * @param p_manager the user event manager. + * + * @return true if the JP2 Header box was successfully reconized. +*/ +static opj_bool jp2_read_jp2h_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_header_data, + unsigned int p_header_size, + struct opj_event_mgr * p_manager + ); + static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info); static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset); static void jp2_write_jp(opj_cio_t *cio); @@ -80,6 +159,24 @@ Read the JP box - JPEG 2000 signature @return Returns true if successful, returns false otherwise */ static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio); + +/** + * Reads a jpeg2000 file signature box. + * + * @param p_header_data the data contained in the signature box. + * @param jp2 the jpeg2000 file codec. + * @param p_header_size the size of the data contained in the signature box. + * @param p_manager the user event manager. + * + * @return true if the file signature box is valid. + */ +static opj_bool jp2_read_jp_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_header_data, + unsigned int p_header_size, + struct opj_event_mgr * p_manager + ); + /** Decode the structure of a JP2 file @param jp2 JP2 handle @@ -105,6 +202,13 @@ Collect palette data */ static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_box_t *box, opj_jp2_color_t *color); + +static opj_bool jp2_read_pclr_v2( opj_jp2_v2_t *jp2, + unsigned char * p_pclr_header_data, + OPJ_UINT32 p_pclr_header_size, + opj_event_mgr_t * p_manager + ); + /** Collect component mapping data @param jp2 JP2 handle @@ -115,6 +219,14 @@ Collect component mapping data */ static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_box_t *box, opj_jp2_color_t *color); + + +static opj_bool jp2_read_cmap_v2( opj_jp2_v2_t * jp2, + unsigned char * p_cmap_header_data, + OPJ_UINT32 p_cmap_header_size, + opj_event_mgr_t * p_manager + ); + /** Collect colour specification data @param jp2 JP2 handle @@ -125,6 +237,24 @@ Collect colour specification data */ static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_box_t *box, opj_jp2_color_t *color); + +/** + * Reads the Color Specification box. + * + * @param p_colr_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_colr_header_size the size of the color header + * @param p_manager the user event manager. + * + * @return true if the bpc header is valid, fale else. +*/ +static opj_bool jp2_read_colr_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_colr_header_data, + OPJ_UINT32 p_colr_header_size, + struct opj_event_mgr * p_manager + ); + /** Write file Index (superbox) @param[in] offset_jp2c offset of jp2c box @@ -143,6 +273,7 @@ Write index Finder box */ static void write_iptr( int offset, int length, opj_cio_t *cio); /** + Write proxy box @param[in] offset_jp2c offset of jp2c box @param[in] length_jp2c length of jp2c box @@ -155,6 +286,129 @@ static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int le /*@}*/ +/** + * Sets up the procedures to do on reading header after the codestream. + * Developpers wanting to extend the library can add their own writting procedures. + */ +static void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2); + +/** + * Reads a jpeg2000 file header structure. + * + * @param cio the stream to read data from. + * @param jp2 the jpeg2000 file header structure. + * @param p_manager the user event manager. + * + * @return true if the box is valid. + */ +opj_bool jp2_read_header_procedure( + opj_jp2_v2_t *jp2, + struct opj_stream_private *cio, + struct opj_event_mgr * p_manager + ); + +/** + * Excutes the given procedures on the given codec. + * + * @param p_procedure_list the list of procedures to execute + * @param jp2 the jpeg2000 file codec to execute the procedures on. + * @param cio the stream to execute the procedures on. + * @param p_manager the user manager. + * + * @return true if all the procedures were successfully executed. + */ +static opj_bool jp2_exec ( + opj_jp2_v2_t * jp2, + struct opj_procedure_list * p_procedure_list, + struct opj_stream_private *cio, + struct opj_event_mgr * p_manager + ); + +/** + * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. + * + * @param cio the input stream to read data from. + * @param box the box structure to fill. + * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). + * @param p_manager user event manager. + * + * @return true if the box is reconized, false otherwise +*/ +static opj_bool jp2_read_boxhdr_v2( + opj_jp2_box_t *box, + OPJ_UINT32 * p_number_bytes_read, + struct opj_stream_private *cio, + struct opj_event_mgr * p_manager + ); + +/** + * Finds the execution function related to the given box id. + * + * @param p_id the id of the handler to fetch. + * + * @return the given handler or NULL if it could not be found. + */ +static const opj_jp2_header_handler_t * jp2_find_handler (int p_id ); + +/** + * Finds the image execution function related to the given box id. + * + * @param p_id the id of the handler to fetch. + * + * @return the given handler or NULL if it could not be found. + */ +static const opj_jp2_header_handler_t * jp2_img_find_handler (int p_id); + +const opj_jp2_header_handler_t jp2_header [] = +{ + {JP2_JP,jp2_read_jp_v2}, + {JP2_FTYP,jp2_read_ftyp_v2}, + {JP2_JP2H,jp2_read_jp2h_v2} +}; + +const opj_jp2_header_handler_t jp2_img_header [] = +{ + {JP2_IHDR,jp2_read_ihdr_v2}, + {JP2_COLR,jp2_read_colr_v2}, + {JP2_BPCC,jp2_read_bpcc_v2}, + {JP2_PCLR,jp2_read_pclr_v2}, + {JP2_CMAP,jp2_read_cmap_v2}, + {JP2_CDEF,jp2_read_cdef_v2} + +}; + +/** + * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string + * + * @param p_data the character string to read data from. + * @param box the box structure to fill. + * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). + * @param p_box_max_size the maximum number of bytes in the box. + * + * @return true if the box is reconized, false otherwise +*/ +static opj_bool jp2_read_boxhdr_char( + opj_jp2_box_t *box, + OPJ_BYTE * p_data, + OPJ_UINT32 * p_number_bytes_read, + OPJ_UINT32 p_box_max_size, + struct opj_event_mgr * p_manager + ); + +/** + * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters + * are valid. Developpers wanting to extend the library can add their own validation procedures. + */ +static void jp2_setup_decoding_validation (opj_jp2_v2_t *jp2); + +/** + * Sets up the procedures to do on reading header. + * Developpers wanting to extend the library can add their own writting procedures. + */ +static void jp2_setup_header_reading (opj_jp2_v2_t *jp2); + + + /* ----------------------------------------------------------------------- */ static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box) { @@ -177,6 +431,60 @@ static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_bo return OPJ_TRUE; } +/** + * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. + * + * @param cio the input stream to read data from. + * @param box the box structure to fill. + * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (should usually be 8). + * @param p_manager user event manager. + * + * @return true if the box is reconized, false otherwise +*/ +opj_bool jp2_read_boxhdr_v2(opj_jp2_box_t *box, OPJ_UINT32 * p_number_bytes_read, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) +{ + /* read header from file */ + unsigned char l_data_header [8]; + + // preconditions + assert(cio != 00); + assert(box != 00); + assert(p_number_bytes_read != 00); + assert(p_manager != 00); + + *p_number_bytes_read = opj_stream_read_data(cio,l_data_header,8,p_manager); + if (*p_number_bytes_read != 8) { + return OPJ_FALSE; + } + + /* process read data */ + opj_read_bytes(l_data_header,&(box->length), 4); + opj_read_bytes(l_data_header+4,&(box->type), 4); + + // do we have a "special very large box ?" + // read then the XLBox + if (box->length == 1) { + OPJ_UINT32 l_xl_part_size; + + OPJ_UINT32 l_nb_bytes_read = opj_stream_read_data(cio,l_data_header,8,p_manager); + if (l_nb_bytes_read != 8) { + if (l_nb_bytes_read > 0) { + *p_number_bytes_read += l_nb_bytes_read; + } + + return OPJ_FALSE; + } + + opj_read_bytes(l_data_header,&l_xl_part_size, 4); + if (l_xl_part_size != 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); + return OPJ_FALSE; + } + opj_read_bytes(l_data_header,&(box->length), 4); + } + return OPJ_TRUE; +} + #if 0 static void jp2_write_url(opj_cio_t *cio, char *Idx_file) { unsigned int i; @@ -231,6 +539,73 @@ static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) { return OPJ_TRUE; } +/** + * Reads a IHDR box - Image Header box + * + * @param p_image_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_image_header_size the size of the image header + * @param p_image_header_max_size maximum size of the header, any size bigger than this value should result the function to output false. + * @param p_manager the user event manager. + * + * @return true if the image header is valid, fale else. + */ +opj_bool jp2_read_ihdr_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_image_header_data, + unsigned int p_image_header_size, + opj_event_mgr_t * p_manager + ) +{ + // preconditions + assert(p_image_header_data != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + if (p_image_header_size != 14) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Bad image header box (bad size)\n"); + return OPJ_FALSE; + } + + opj_read_bytes(p_image_header_data,&(jp2->h),4); /* HEIGHT */ + p_image_header_data += 4; + opj_read_bytes(p_image_header_data,&(jp2->w),4); /* WIDTH */ + p_image_header_data += 4; + opj_read_bytes(p_image_header_data,&(jp2->numcomps),2); /* NC */ + p_image_header_data += 2; + + /* allocate memory for components */ + jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t)); + if (jp2->comps == 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n"); + return OPJ_FALSE; + } + memset(jp2->comps,0,jp2->numcomps * sizeof(opj_jp2_comps_t)); + + opj_read_bytes(p_image_header_data,&(jp2->bpc),1); /* BPC */ + ++ p_image_header_data; + + // if equal to 0 then need a BPC box (cf. chapter about image header box of the norm) + /*if (jp2->bpc == 0){ + // indicate with a flag that we will wait a BPC box + }*/ + + opj_read_bytes(p_image_header_data,&(jp2->C),1); /* C */ + ++ p_image_header_data; + + // Should be equal to 7 cf. chapter about image header box of the norm + if (jp2->C != 7){ + opj_event_msg_v2(p_manager, EVT_INFO, "JP2 IHDR box: compression type indicate that the file is not a conforming JP2 file (%d) \n", jp2->C); + } + + opj_read_bytes(p_image_header_data,&(jp2->UnkC),1); /* UnkC */ + ++ p_image_header_data; + opj_read_bytes(p_image_header_data,&(jp2->IPR),1); /* IPR */ + ++ p_image_header_data; + + return OPJ_TRUE; +} + static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) { opj_jp2_box_t box; @@ -297,6 +672,50 @@ static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) { return OPJ_TRUE; } +/** + * Reads a Bit per Component box. + * + * @param p_bpc_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_bpc_header_size pointer that will hold the size of the bpc header + * @param p_bpc_header_max_size maximum size of the header, any size bigger than this value should result the function to output false. + * @param p_manager the user event manager. + * + * @return true if the bpc header is valid, fale else. + */ +opj_bool jp2_read_bpcc_v2( opj_jp2_v2_t *jp2, + unsigned char * p_bpc_header_data, + unsigned int p_bpc_header_size, + opj_event_mgr_t * p_manager + ) +{ + OPJ_UINT32 i; + + // preconditions + assert(p_bpc_header_data != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + // TODO MSD + /*if (jp2->bpc != 0 ){ + opj_event_msg_v2(p_manager, EVT_WARNING, "A BPCC header box is available although BPC is different to zero (%d)\n",jp2->bpc); + }*/ + + // and length is relevant + if (p_bpc_header_size != jp2->numcomps) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n"); + return OPJ_FALSE; + } + + // read info for each component + for (i = 0; i < jp2->numcomps; ++i) { + opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1); /* read each BPCC component */ + ++p_bpc_header_data; + } + + return OPJ_TRUE; +} + static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio) { opj_jp2_box_t box; @@ -470,6 +889,81 @@ static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio, return OPJ_TRUE; }/* jp2_read_pclr() */ +/** + * Reads a palette box. + * + * @param p_bpc_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_bpc_header_size pointer that will hold the size of the bpc header + * @param p_bpc_header_max_size maximum size of the header, any size bigger than this value should result the function to output false. + * @param p_manager the user event manager. + * + * @return true if the bpc header is valid, fale else. + */ +opj_bool jp2_read_pclr_v2( opj_jp2_v2_t *jp2, + unsigned char * p_pclr_header_data, + OPJ_UINT32 p_pclr_header_size, + opj_event_mgr_t * p_manager + ){ + opj_jp2_pclr_t *jp2_pclr; + OPJ_BYTE *channel_size, *channel_sign; + OPJ_UINT32 *entries; + OPJ_UINT16 nr_entries,nr_channels; + OPJ_UINT16 i, j; + OPJ_UINT32 l_value; + + // preconditions + assert(p_pclr_header_data != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + if(jp2->color.jp2_pclr) + return OPJ_FALSE; + + opj_read_bytes(p_pclr_header_data, &l_value , 2); /* NE */ + p_pclr_header_data += 2; + nr_entries = (OPJ_UINT16) l_value; + + opj_read_bytes(p_pclr_header_data, &l_value , 1); /* NPC */ + ++p_pclr_header_data; + nr_channels = (OPJ_UINT16) l_value; + + entries = (OPJ_UINT32*) opj_malloc(nr_channels * nr_entries * sizeof(OPJ_UINT32)); + channel_size = (OPJ_BYTE*) opj_malloc(nr_channels); + channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels); + + jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t)); + jp2_pclr->channel_sign = channel_sign; + jp2_pclr->channel_size = channel_size; + jp2_pclr->entries = entries; + jp2_pclr->nr_entries = nr_entries; + jp2_pclr->nr_channels = nr_channels; + jp2_pclr->cmap = NULL; + + jp2->color.jp2_pclr = jp2_pclr; + + for(i = 0; i < nr_channels; ++i) { + opj_read_bytes(p_pclr_header_data, &l_value , 1); /* Bi */ + ++p_pclr_header_data; + + channel_size[i] = (l_value & 0x7f) + 1; + channel_sign[i] = (l_value & 0x80)? 1 : 0; + } + + for(j = 0; j < nr_entries; ++j) { + for(i = 0; i < nr_channels; ++i) { + //*entries++ = cio_read(cio, channel_size[i]>>3); + opj_read_bytes(p_pclr_header_data, &l_value , channel_size[i]>>3); /* Cji */ + p_pclr_header_data += channel_size[i]>>3; + *entries = (OPJ_UINT32) l_value; + entries++; + } + } + + return OPJ_TRUE; +} + + static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_box_t *box, opj_jp2_color_t *color) { @@ -501,8 +995,70 @@ static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio, color->jp2_pclr->cmap = cmap; return OPJ_TRUE; + }/* jp2_read_cmap() */ +/** + * Reads the Component Mapping box. + * + * @param p_cmap_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_cmap_header_size pointer that will hold the size of the color header + * @param p_manager the user event manager. + * + * @return true if the cdef header is valid, false else. +*/ +static opj_bool jp2_read_cmap_v2( opj_jp2_v2_t * jp2, + unsigned char * p_cmap_header_data, + OPJ_UINT32 p_cmap_header_size, + opj_event_mgr_t * p_manager + ) +{ + opj_jp2_cmap_comp_t *cmap; + OPJ_BYTE i, nr_channels; + OPJ_UINT32 l_value; + + // preconditions + assert(jp2 != 00); + assert(p_cmap_header_data != 00); + assert(p_manager != 00); + + /* Need nr_channels: */ + if(jp2->color.jp2_pclr == NULL) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n"); + return OPJ_FALSE; + } + + /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box + * inside a JP2 Header box' : + */ + if(jp2->color.jp2_pclr->cmap) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n"); + return OPJ_FALSE; + } + + nr_channels = jp2->color.jp2_pclr->nr_channels; + cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t)); + + for(i = 0; i < nr_channels; ++i) { + opj_read_bytes(p_cmap_header_data, &l_value, 2); /* CMP^i */ + p_cmap_header_data +=2; + cmap[i].cmp = (OPJ_UINT16) l_value; + + opj_read_bytes(p_cmap_header_data, &l_value, 1); /* MTYP^i */ + ++p_cmap_header_data; + cmap[i].mtyp = (OPJ_BYTE) l_value; + + opj_read_bytes(p_cmap_header_data, &l_value, 1); /* PCOL^i */ + ++p_cmap_header_data; + cmap[i].pcol = (OPJ_BYTE) l_value; + } + + jp2->color.jp2_pclr->cmap = cmap; + + return OPJ_TRUE; +} + static void jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color) { opj_jp2_cdef_info_t *info; @@ -571,6 +1127,67 @@ static opj_bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio, return OPJ_TRUE; }/* jp2_read_cdef() */ +/** + * Reads the Component Definition box. + * + * @param p_cdef_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_cdef_header_size pointer that will hold the size of the color header + * @param p_manager the user event manager. + * + * @return true if the cdef header is valid, false else. +*/ +static opj_bool jp2_read_cdef_v2( opj_jp2_v2_t * jp2, + unsigned char * p_cdef_header_data, + OPJ_UINT32 p_cdef_header_size, + opj_event_mgr_t * p_manager + ) +{ + opj_jp2_cdef_info_t *cdef_info; + unsigned short i; + OPJ_UINT32 l_value; + + // preconditions + assert(jp2 != 00); + assert(p_cdef_header_data != 00); + assert(p_manager != 00); + + /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box + * inside a JP2 Header box.'*/ + if(jp2->color.jp2_cdef) return OPJ_FALSE; + + opj_read_bytes(p_cdef_header_data,&l_value ,1); /* N */ + ++p_cdef_header_data; + + if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */ + opj_event_msg_v2(p_manager, EVT_ERROR, "Number of component description is equal to zero in CDEF box.\n"); + return OPJ_FALSE; + } + + cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t)); + + jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); + jp2->color.jp2_cdef->info = cdef_info; + jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value; + + for(i = 0; i < jp2->color.jp2_cdef->n; ++i) { + opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Cn^i */ + p_cdef_header_data +=2; + cdef_info[i].cn = (OPJ_UINT16) l_value; + + opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Typ^i */ + p_cdef_header_data +=2; + cdef_info[i].typ = (OPJ_UINT16) l_value; + + opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Asoc^i */ + p_cdef_header_data +=2; + cdef_info[i].asoc = (OPJ_UINT16) l_value; + } + + return OPJ_TRUE; +} + + static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_box_t *box, opj_jp2_color_t *color) { @@ -626,6 +1243,87 @@ static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio, return OPJ_TRUE; }/* jp2_read_colr() */ +/** + * Reads the Colour Specification box. + * + * @param p_colr_header_data pointer to actual data (already read from file) + * @param jp2 the jpeg2000 file codec. + * @param p_colr_header_size pointer that will hold the size of the color header + * @param p_colr_header_max_size maximum size of the header, any size bigger than this value should result the function to output false. + * @param p_manager the user event manager. + * + * @return true if the bpc header is valid, fale else. +*/ +static opj_bool jp2_read_colr_v2( opj_jp2_v2_t * jp2, + unsigned char * p_colr_header_data, + OPJ_UINT32 p_colr_header_size, + opj_event_mgr_t * p_manager + ) +{ + OPJ_UINT32 l_value; + + // preconditions + assert(jp2 != 00); + assert(p_colr_header_data != 00); + assert(p_manager != 00); + + if (p_colr_header_size < 3) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n"); + return OPJ_FALSE; + } + + /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour + * Specification boxes after the first.' + */ + if(jp2->color.jp2_has_colr) { + opj_event_msg_v2(p_manager, EVT_INFO, "A conforming JP2 reader shall ignore all Colour Specification boxes after the first, so we ignore this one.\n"); + p_colr_header_data += p_colr_header_size; + return OPJ_TRUE; + } + + opj_read_bytes(p_colr_header_data,&jp2->meth ,1); /* METH */ + ++p_colr_header_data; + + opj_read_bytes(p_colr_header_data,&jp2->precedence ,1); /* PRECEDENCE */ + ++p_colr_header_data; + + opj_read_bytes(p_colr_header_data,&jp2->approx ,1); /* APPROX */ + ++p_colr_header_data; + + if (jp2->meth == 1) { + if (p_colr_header_size != 7) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n"); + return OPJ_FALSE; + } + + opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4); /* EnumCS */ + } + else if (jp2->meth == 2) { + // ICC profile + int it_icc_value = 0; + int icc_len = p_colr_header_size - 3; + + jp2->color.icc_profile_len = icc_len; + jp2->color.icc_profile_buf = (unsigned char*) opj_malloc(icc_len); + + memset(jp2->color.icc_profile_buf, 0, icc_len * sizeof(unsigned char)); + + for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value) + { + opj_read_bytes(p_colr_header_data,&l_value,1); /* icc values */ + ++p_colr_header_data; + jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value; + } + + } + else // TODO MSD + opj_event_msg_v2(p_manager, EVT_INFO, "COLR BOX meth value is not is not a regular value (%d), so we will skip the fields following approx field.\n", jp2->meth); + + jp2->color.jp2_has_colr = 1; + + return OPJ_TRUE; +} + opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color) { opj_jp2_box_t box; @@ -1052,6 +1750,15 @@ void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters) { /* further JP2 initializations go here */ } +void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters) { + /* setup the J2K codec */ + j2k_setup_decoder_v2(jp2->j2k, parameters); + /* further JP2 initializations go here */ + + jp2->color.jp2_has_colr = 0; +} + + /* ----------------------------------------------------------------------- */ /* JP2 encoder interface */ /* ----------------------------------------------------------------------- */ @@ -1190,9 +1897,718 @@ opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_ cio_seek( cio, pos_iptr); write_iptr( pos_fidx, len_fidx, cio); - - cio_seek( cio, end_pos); + cio_seek( cio, end_pos); } return OPJ_TRUE; } + +/** + * Ends the decompression procedures and possibiliy add data to be read after the + * codestream. + */ +opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) +{ + // preconditions + assert(jp2 != 00); + assert(cio != 00); + assert(p_manager != 00); + + /* customization of the end encoding */ + jp2_setup_end_header_reading(jp2); + + /* write header */ + if (! jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) { + return OPJ_FALSE; + } + + return j2k_end_decompress(jp2->j2k, cio, p_manager); +} + +/** + * Sets up the procedures to do on reading header after the codestream. + * Developpers wanting to extend the library can add their own writting procedures. + */ +void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2) +{ + // preconditions + assert(jp2 != 00); + opj_procedure_list_add_procedure(jp2->m_procedure_list,(void*)jp2_read_header_procedure ); + /* DEVELOPER CORNER, add your custom procedures */ +} + + +/** + * Reads a jpeg2000 file header structure. + * + * @param cio the stream to read data from. + * @param jp2 the jpeg2000 file header structure. + * @param p_manager the user event manager. + * + * @return true if the box is valid. + */ +opj_bool jp2_read_header_procedure( + opj_jp2_v2_t *jp2, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) +{ + opj_jp2_box_t box; + OPJ_UINT32 l_nb_bytes_read; + const opj_jp2_header_handler_t * l_current_handler; + OPJ_UINT32 l_last_data_size = BOX_SIZE; + OPJ_UINT32 l_current_data_size; + unsigned char * l_current_data = 00; + + // preconditions + assert(cio != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + l_current_data = (unsigned char*)opj_malloc(l_last_data_size); + + if (l_current_data == 00) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n"); + return OPJ_FALSE; + } + memset(l_current_data, 0 , l_last_data_size); + + while (jp2_read_boxhdr_v2(&box,&l_nb_bytes_read,cio,p_manager)) { + // is it the codestream box ? + if (box.type == JP2_JP2C) { + if (jp2->jp2_state & JP2_STATE_HEADER) { + jp2->jp2_state |= JP2_STATE_CODESTREAM; + opj_free(l_current_data); + return OPJ_TRUE; + } + else { + opj_event_msg_v2(p_manager, EVT_ERROR, "bad placed jpeg codestream\n"); + opj_free(l_current_data); + return OPJ_FALSE; + } + } + else if (box.length == 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); + opj_free(l_current_data); + return OPJ_FALSE; + } + + l_current_handler = jp2_find_handler(box.type); + l_current_data_size = box.length - l_nb_bytes_read; + + if (l_current_handler != 00) { + if (l_current_data_size > l_last_data_size) { + l_current_data = (unsigned char*)opj_realloc(l_current_data,l_current_data_size); + l_last_data_size = l_current_data_size; + } + + l_nb_bytes_read = opj_stream_read_data(cio,l_current_data,l_current_data_size,p_manager); + if (l_nb_bytes_read != l_current_data_size) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n"); + return OPJ_FALSE; + } + + if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) { + opj_free(l_current_data); + return OPJ_FALSE; + } + } + else { + jp2->jp2_state |= JP2_STATE_UNKNOWN; + if (opj_stream_skip(cio,l_current_data_size,p_manager) != l_current_data_size) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n"); + opj_free(l_current_data); + return OPJ_FALSE; + } + } + } + + opj_free(l_current_data); + + return OPJ_TRUE; +} + +/** + * Excutes the given procedures on the given codec. + * + * @param p_procedure_list the list of procedures to execute + * @param jp2 the jpeg2000 file codec to execute the procedures on. + * @param cio the stream to execute the procedures on. + * @param p_manager the user manager. + * + * @return true if all the procedures were successfully executed. + */ +opj_bool jp2_exec ( + opj_jp2_v2_t * jp2, + opj_procedure_list_t * p_procedure_list, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager + ) +{ + opj_bool (** l_procedure) (opj_jp2_v2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00; + opj_bool l_result = OPJ_TRUE; + OPJ_UINT32 l_nb_proc, i; + + // preconditions + assert(p_procedure_list != 00); + assert(jp2 != 00); + assert(cio != 00); + assert(p_manager != 00); + + l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list); + l_procedure = (opj_bool (**) (opj_jp2_v2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list); + + for (i=0;ijp2_state != JP2_STATE_NONE) { + opj_event_msg_v2(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n"); + return OPJ_FALSE; + } + + /* assure length of data is correct (4 -> magic number) */ + if (p_header_size != 4) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Error with JP signature Box size\n"); + return OPJ_FALSE; + } + + // rearrange data + opj_read_bytes(p_header_data,&l_magic_number,4); + if (l_magic_number != 0x0d0a870a ) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n"); + return OPJ_FALSE; + } + + jp2->jp2_state |= JP2_STATE_SIGNATURE; + + return OPJ_TRUE; +} + + +/** + * Reads a a FTYP box - File type box + * + * @param p_header_data the data contained in the FTYP box. + * @param jp2 the jpeg2000 file codec. + * @param p_header_size the size of the data contained in the FTYP box. + * @param p_manager the user event manager. + * + * @return true if the FTYP box is valid. + */ +opj_bool jp2_read_ftyp_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_header_data, + unsigned int p_header_size, + opj_event_mgr_t * p_manager + ) +{ + OPJ_UINT32 i, l_remaining_bytes; + + // preconditions + assert(p_header_data != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + if (jp2->jp2_state != JP2_STATE_SIGNATURE) { + opj_event_msg_v2(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n"); + return OPJ_FALSE; + } + + /* assure length of data is correct */ + if (p_header_size < 8) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); + return OPJ_FALSE; + } + + opj_read_bytes(p_header_data,&jp2->brand,4); /* BR */ + p_header_data += 4; + + opj_read_bytes(p_header_data,&jp2->minversion,4); /* MinV */ + p_header_data += 4; + + l_remaining_bytes = p_header_size - 8; + + /* the number of remaining bytes should be a multiple of 4 */ + if ((l_remaining_bytes & 0x3) != 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); + return OPJ_FALSE; + } + + /* div by 4 */ + jp2->numcl = l_remaining_bytes >> 2; + if (jp2->numcl) { + jp2->cl = (unsigned int *) opj_malloc(jp2->numcl * sizeof(unsigned int)); + if (jp2->cl == 00) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n"); + return OPJ_FALSE; + } + memset(jp2->cl,0,jp2->numcl * sizeof(unsigned int)); + } + + for (i = 0; i < jp2->numcl; ++i) + { + opj_read_bytes(p_header_data,&jp2->cl[i],4); /* CLi */ + p_header_data += 4; + } + + jp2->jp2_state |= JP2_STATE_FILE_TYPE; + + return OPJ_TRUE; +} + + +/** + * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). + * + * @param p_header_data the data contained in the file header box. + * @param jp2 the jpeg2000 file codec. + * @param p_header_size the size of the data contained in the file header box. + * @param p_manager the user event manager. + * + * @return true if the JP2 Header box was successfully reconized. +*/ +opj_bool jp2_read_jp2h_v2( + opj_jp2_v2_t *jp2, + unsigned char * p_header_data, + unsigned int p_header_size, + opj_event_mgr_t * p_manager + ) +{ + OPJ_UINT32 l_box_size=0, l_current_data_size = 0; + opj_jp2_box_t box; + const opj_jp2_header_handler_t * l_current_handler; + + // preconditions + assert(p_header_data != 00); + assert(jp2 != 00); + assert(p_manager != 00); + + /* make sure the box is well placed */ + if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) { + opj_event_msg_v2(p_manager, EVT_ERROR, "The box must be the first box in the file.\n"); + return OPJ_FALSE; + } + + jp2->jp2_img_state = JP2_IMG_STATE_NONE; + + /* iterate while remaining data */ + while (p_header_size > 0) { + + if (! jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n"); + return OPJ_FALSE; + } + + if (box.length > p_header_size) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n"); + return OPJ_FALSE; + } + + l_current_handler = jp2_img_find_handler(box.type); + l_current_data_size = box.length - l_box_size; + p_header_data += l_box_size; + + if (l_current_handler != 00) { + if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) { + return OPJ_FALSE; + } + } + else { + jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN; + } + + p_header_data += l_current_data_size; + p_header_size -= box.length; + } + + jp2->jp2_state |= JP2_STATE_HEADER; + + return OPJ_TRUE; +} + +/** + * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string + * + * @param p_data the character string to read data from. + * @param box the box structure to fill. + * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). + * @param p_box_max_size the maximum number of bytes in the box. + * + * @return true if the box is reconized, false otherwise +*/ +static opj_bool jp2_read_boxhdr_char( + opj_jp2_box_t *box, + OPJ_BYTE * p_data, + OPJ_UINT32 * p_number_bytes_read, + OPJ_UINT32 p_box_max_size, + opj_event_mgr_t * p_manager + ) +{ + OPJ_UINT32 l_value; + + // preconditions + assert(p_data != 00); + assert(box != 00); + assert(p_number_bytes_read != 00); + assert(p_manager != 00); + + if (p_box_max_size < 8) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n"); + return OPJ_FALSE; + } + + /* process read data */ + opj_read_bytes(p_data, &l_value, 4); + p_data += 4; + box->length = (OPJ_INT32)(l_value); + + opj_read_bytes(p_data, &l_value, 4); + p_data += 4; + box->type = (OPJ_INT32)(l_value); + + *p_number_bytes_read = 8; + + // do we have a "special very large box ?" + // read then the XLBox + if (box->length == 1) { + unsigned int l_xl_part_size; + + if (p_box_max_size < 16) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n"); + return OPJ_FALSE; + } + + opj_read_bytes(p_data,&l_xl_part_size, 4); + p_data += 4; + *p_number_bytes_read += 4; + + if (l_xl_part_size != 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); + return OPJ_FALSE; + } + + opj_read_bytes(p_data, &l_value, 4); + *p_number_bytes_read += 4; + box->length = (OPJ_INT32)(l_value); + + if (box->length == 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); + return OPJ_FALSE; + } + } + else if (box->length == 0) { + opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); + return OPJ_FALSE; + } + + return OPJ_TRUE; +} + + +/** + * Reads a jpeg2000 file header structure. + * + * @param cio the stream to read data from. + * @param jp2 the jpeg2000 file header structure. + * @param p_manager the user event manager. + * + * @return true if the box is valid. + */ +opj_bool jp2_read_header( struct opj_stream_private *p_stream, + opj_jp2_v2_t *jp2, + opj_image_header_t ** p_image_header, + struct opj_codestream_info** p_cstr_info, + struct opj_event_mgr * p_manager + ) +{ + // preconditions + assert(jp2 != 00); + assert(p_stream != 00); + assert(p_manager != 00); + + /* customization of the validation */ + jp2_setup_decoding_validation (jp2); + + /* customization of the encoding */ + jp2_setup_header_reading(jp2); + + /* validation of the parameters codec */ + if (! jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) { + return OPJ_FALSE; + } + + /* read header */ + if (! jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) { + return OPJ_FALSE; + } + + return j2k_read_header( p_stream, + jp2->j2k, + p_image_header, + p_cstr_info, + p_manager); +} + +/** + * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters + * are valid. Developpers wanting to extend the library can add their own validation procedures. + */ +void jp2_setup_decoding_validation (opj_jp2_v2_t *jp2) +{ + // preconditions + assert(jp2 != 00); + /* DEVELOPER CORNER, add your custom validation procedure */ +} + +/** + * Sets up the procedures to do on reading header. + * Developpers wanting to extend the library can add their own writting procedures. + */ +void jp2_setup_header_reading (opj_jp2_v2_t *jp2) +{ + // preconditions + assert(jp2 != 00); + + opj_procedure_list_add_procedure(jp2->m_procedure_list,(void*)jp2_read_header_procedure ); + /* DEVELOPER CORNER, add your custom procedures */ +} + + +/** + * Reads a tile header. + * @param p_j2k the jpeg2000 codec. + * @param p_stream the stream to write data to. + * @param p_manager the user event manager. + */ +opj_bool jp2_read_tile_header ( + opj_jp2_v2_t * p_jp2, + OPJ_UINT32 * p_tile_index, + OPJ_UINT32 * p_data_size, + OPJ_INT32 * p_tile_x0, + OPJ_INT32 * p_tile_y0, + OPJ_INT32 * p_tile_x1, + OPJ_INT32 * p_tile_y1, + OPJ_UINT32 * p_nb_comps, + opj_bool * p_go_on, + opj_stream_private_t *p_stream, + opj_event_mgr_t * p_manager + ) +{ + return j2k_read_tile_header (p_jp2->j2k, + p_tile_index, + p_data_size, + p_tile_x0, + p_tile_y0, + p_tile_x1, + p_tile_y1, + p_nb_comps, + p_go_on, + p_stream, + p_manager); +} + +/** + * Decode tile data. + * @param p_j2k the jpeg2000 codec. + * @param p_stream the stream to write data to. + * @param p_manager the user event manager. + */ +opj_bool opj_jp2_decode_tile ( + opj_jp2_v2_t * p_jp2, + OPJ_UINT32 p_tile_index, + OPJ_BYTE * p_data, + OPJ_UINT32 p_data_size, + opj_stream_private_t *p_stream, + opj_event_mgr_t * p_manager + ) +{ + return j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager); +} + +/** + * Destroys a jpeg2000 file decompressor. + * + * @param jp2 a jpeg2000 file decompressor. + */ +void jp2_destroy(opj_jp2_v2_t *jp2) +{ + if (jp2) { + /* destroy the J2K codec */ + j2k_destroy(jp2->j2k); + jp2->j2k = 00; + + if (jp2->comps) { + opj_free(jp2->comps); + jp2->comps = 00; + } + + if (jp2->cl) { + opj_free(jp2->cl); + jp2->cl = 00; + } + + if (jp2->color.icc_profile_buf) { + opj_free(jp2->color.icc_profile_buf); + jp2->color.icc_profile_buf = 00; + } + + if (jp2->color.jp2_cdef) { + opj_free(jp2->color.jp2_cdef); + jp2->color.jp2_cdef = 00; + } + + if (jp2->color.jp2_pclr) { + opj_free(jp2->color.jp2_pclr); + jp2->color.jp2_pclr = 00; + } + + if (jp2->m_validation_list) { + opj_procedure_list_destroy(jp2->m_validation_list); + jp2->m_validation_list = 00; + } + + if (jp2->m_procedure_list) { + opj_procedure_list_destroy(jp2->m_procedure_list); + jp2->m_procedure_list = 00; + } + + opj_free(jp2); + } +} + +/** + * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. + * + * @param p_jp2 the jpeg2000 codec. + * @param p_end_x the right position of the rectangle to decode (in image coordinates). + * @param p_start_y the up position of the rectangle to decode (in image coordinates). + * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). + * @param p_manager the user event manager + * + * @return true if the area could be set. + */ +opj_bool jp2_set_decode_area( + opj_jp2_v2_t *p_jp2, + OPJ_INT32 p_start_x, + OPJ_INT32 p_start_y, + OPJ_INT32 p_end_x, + OPJ_INT32 p_end_y, + struct opj_event_mgr * p_manager + ) +{ + return j2k_set_decode_area(p_jp2->j2k,p_start_x,p_start_y,p_end_x,p_end_y,p_manager); +} + +/* ----------------------------------------------------------------------- */ +/* JP2 encoder interface */ +/* ----------------------------------------------------------------------- */ + +opj_jp2_v2_t* jp2_create(opj_bool p_is_decoder) +{ + opj_jp2_v2_t *jp2 = (opj_jp2_v2_t*)opj_malloc(sizeof(opj_jp2_v2_t)); + if (jp2) { + memset(jp2,0,sizeof(opj_jp2_t)); + + /* create the J2K codec */ + if (! p_is_decoder) { + jp2->j2k = j2k_create_compress_v2(); + } + else { + jp2->j2k = j2k_create_decompress_v2(); + } + + if (jp2->j2k == 00) { + jp2_destroy(jp2); + return 00; + } + + // validation list creation + jp2->m_validation_list = opj_procedure_list_create(); + if (! jp2->m_validation_list) { + jp2_destroy(jp2); + return 00; + } + + // execution list creation + jp2->m_procedure_list = opj_procedure_list_create(); + if (! jp2->m_procedure_list) { + jp2_destroy(jp2); + return 00; + } + } + + return jp2; +} diff --git a/libopenjpeg/jp2.h b/libopenjpeg/jp2.h index 16273b85..b0a60086 100644 --- a/libopenjpeg/jp2.h +++ b/libopenjpeg/jp2.h @@ -41,19 +41,53 @@ #define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */ #define JP2_FTYP 0x66747970 /**< File type box */ -#define JP2_JP2H 0x6a703268 /**< JP2 header box */ -#define JP2_IHDR 0x69686472 /**< Image header box */ -#define JP2_COLR 0x636f6c72 /**< Colour specification box */ + +#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */ +#define JP2_IHDR 0x69686472 /**< Image header box */ +#define JP2_BPCC 0x62706363 /**< Bits per component box */ +#define JP2_COLR 0x636f6c72 /**< Colour specification box */ +#define JP2_PCLR 0x70636c72 /**< Palette box */ +#define JP2_CMAP 0x636d6170 /**< Component Mapping box */ +#define JP2_CDEF 0x63646566 /**< Channel Definition box */ +// For the future MSD +// #define JP2_RES 0x72657320 /**< Resolution box (super-box) */ + #define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */ -#define JP2_URL 0x75726c20 /**< URL box */ + +// For the future MSD +// #define JP2_JP2I 0x6a703269 /**< Intellectual property box */ +// #define JP2_XML 0x786d6c20 /**< XML box */ +// #define JP2_UUID 0x75756994 /**< UUID box */ +// #define JP2_UINF 0x75696e66 /**< UUID info box (super-box) */ +// #define JP2_ULST 0x756c7374 /**< UUID list box */ +#define JP2_URL 0x75726c20 /**< Data entry URL box */ + #define JP2_DTBL 0x6474626c /**< Data Reference box */ -#define JP2_BPCC 0x62706363 /**< Bits per component box */ + #define JP2_JP2 0x6a703220 /**< File type fields */ -#define JP2_PCLR 0x70636c72 /**< Palette box */ -#define JP2_CMAP 0x636d6170 /**< Component Mapping box */ -#define JP2_CDEF 0x63646566 /**< Channel Definition box */ + /* ----------------------------------------------------------------------- */ + +typedef enum +{ + JP2_STATE_NONE = 0x0, + JP2_STATE_SIGNATURE = 0x1, + JP2_STATE_FILE_TYPE = 0x2, + JP2_STATE_HEADER = 0x4, + JP2_STATE_CODESTREAM = 0x8, + JP2_STATE_END_CODESTREAM = 0x10, + JP2_STATE_UNKNOWN = 0x80000000 +} +JP2_STATE; + +typedef enum +{ + JP2_IMG_STATE_NONE = 0x0, + JP2_IMG_STATE_UNKNOWN = 0x80000000 +} +JP2_IMG_STATE; + /** Channel description: channel index, type, assocation */ @@ -143,15 +177,64 @@ typedef struct opj_jp2 { opj_bool jpip_on; } opj_jp2_t; +/** +JPEG-2000 file format reader/writer +*/ +typedef struct opj_jp2_v2 +{ + /** handle to the J2K codec */ + struct opj_j2k_v2 *j2k; + /** list of validation procedures */ + struct opj_procedure_list * m_validation_list; + /** list of execution procedures */ + struct opj_procedure_list * m_procedure_list; + + /* width of image */ + OPJ_UINT32 w; + /* height of image */ + OPJ_UINT32 h; + /* number of components in the image */ + OPJ_UINT32 numcomps; + OPJ_UINT32 bpc; + OPJ_UINT32 C; + OPJ_UINT32 UnkC; + OPJ_UINT32 IPR; + OPJ_UINT32 meth; + OPJ_UINT32 approx; + OPJ_UINT32 enumcs; + OPJ_UINT32 precedence; + OPJ_UINT32 brand; + OPJ_UINT32 minversion; + OPJ_UINT32 numcl; + OPJ_UINT32 *cl; + opj_jp2_comps_t *comps; + OPJ_UINT32 j2k_codestream_offset; + OPJ_UINT32 jp2_state; + OPJ_UINT32 jp2_img_state; + + opj_jp2_color_t color; + +} +opj_jp2_v2_t; + /** JP2 Box */ typedef struct opj_jp2_box { - int length; - int type; - int init_pos; + OPJ_INT32 length; + OPJ_INT32 type; + OPJ_INT32 init_pos; } opj_jp2_box_t; +typedef struct opj_jp2_header_handler +{ + /* marker value */ + int id; + /* action linked to the marker */ + opj_bool (*handler) (opj_jp2_v2_t *jp2, unsigned char * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager); +} +opj_jp2_header_handler_t; + /** @name Exported functions */ /*@{*/ /* ----------------------------------------------------------------------- */ @@ -188,6 +271,13 @@ Decoding parameters are returned in jp2->j2k->cp. */ void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); /** +Setup the decoder decoding parameters using user parameters. +Decoding parameters are returned in jp2->j2k->cp. +@param jp2 JP2 decompressor handle +@param parameters decompression parameters +*/ +void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters); +/** Decode an image from a JPEG-2000 file stream @param jp2 JP2 decompressor handle @param cio Input buffer stream @@ -224,7 +314,100 @@ Encode an image into a JPEG-2000 file stream */ opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info); + /* ----------------------------------------------------------------------- */ + +/** + * Ends the decompression procedures and possibiliy add data to be read after the + * codestream. + */ +opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, struct opj_stream_private *cio, struct opj_event_mgr * p_manager); + +/** + * Reads a jpeg2000 file header structure. + * + * @param cio the stream to read data from. + * @param jp2 the jpeg2000 file header structure. + * @param p_manager the user event manager. + * + * @return true if the box is valid. + */ +opj_bool jp2_read_header( struct opj_stream_private *p_stream, + opj_jp2_v2_t *jp2, + opj_image_header_t ** p_image_header, + struct opj_codestream_info** p_cstr_info, + struct opj_event_mgr * p_manager + ); + +/** + * Reads a tile header. + * @param p_j2k the jpeg2000 codec. + * @param p_stream the stream to write data to. + * @param p_manager the user event manager. + */ +opj_bool jp2_read_tile_header ( + opj_jp2_v2_t * p_j2k, + OPJ_UINT32 * p_tile_index, + OPJ_UINT32 * p_data_size, + OPJ_INT32 * p_tile_x0, + OPJ_INT32 * p_tile_y0, + OPJ_INT32 * p_tile_x1, + OPJ_INT32 * p_tile_y1, + OPJ_UINT32 * p_nb_comps, + opj_bool * p_go_on, + struct opj_stream_private *p_stream, + struct opj_event_mgr * p_manager + ); + +/** + * Decode tile data. + * @param p_j2k the jpeg2000 codec. + * @param p_stream the stream to write data to. + * @param p_manager the user event manager. + */ +opj_bool opj_jp2_decode_tile ( + opj_jp2_v2_t * p_jp2, + OPJ_UINT32 p_tile_index, + OPJ_BYTE * p_data, + OPJ_UINT32 p_data_size, + struct opj_stream_private *p_stream, + struct opj_event_mgr * p_manager + ); + +/** + * Creates a jpeg2000 file decompressor. + * + * @return an empty jpeg2000 file codec. + */ +opj_jp2_v2_t* jp2_create (opj_bool p_is_decoder); + +/** +Destroy a JP2 decompressor handle +@param jp2 JP2 decompressor handle to destroy +*/ +void jp2_destroy(opj_jp2_v2_t *jp2); + + +/** + * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. + * + * @param p_jp2 the jpeg2000 codec. + * @param p_end_x the right position of the rectangle to decode (in image coordinates). + * @param p_start_y the up position of the rectangle to decode (in image coordinates). + * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). + * @param p_manager the user event manager + * + * @return true if the area could be set. + */ +opj_bool jp2_set_decode_area( + opj_jp2_v2_t *p_jp2, + OPJ_INT32 p_start_x, + OPJ_INT32 p_start_y, + OPJ_INT32 p_end_x, + OPJ_INT32 p_end_y, + struct opj_event_mgr * p_manager + ); + /*@}*/ /*@}*/ diff --git a/libopenjpeg/openjpeg.c b/libopenjpeg/openjpeg.c index f5e4ee23..32fd0cf6 100644 --- a/libopenjpeg/openjpeg.c +++ b/libopenjpeg/openjpeg.c @@ -55,7 +55,7 @@ typedef struct opj_decompression opj_bool (*opj_decode_tile_data)(void * p_codec,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,struct opj_stream_private *p_cio,struct opj_event_mgr * p_manager); opj_bool (* opj_end_decompress) (void *p_codec,struct opj_stream_private *cio,struct opj_event_mgr * p_manager); void (* opj_destroy) (void * p_codec); - void (*opj_setup_decoder) (void * p_codec,opj_dparameters_t * p_param); + void (*opj_setup_decoder) (void * p_codec, opj_dparameters_t * p_param); opj_bool (*opj_set_decode_area) (void * p_codec,OPJ_INT32 p_start_x,OPJ_INT32 p_end_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_y,struct opj_event_mgr * p_manager); @@ -212,11 +212,9 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format) l_info->is_decompressor = 1; - switch - (p_format) - { + switch (p_format) { case CODEC_J2K: - l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))j2k_decode; + l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))j2k_decode; // TODO MSD l_info->m_codec_data.m_decompression.opj_end_decompress = (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *))j2k_end_decompress; l_info->m_codec_data.m_decompression.opj_read_header = (opj_bool (*) ( struct opj_stream_private *, @@ -241,31 +239,24 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format) l_info->m_codec_data.m_decompression.opj_decode_tile_data = (opj_bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr * )) j2k_decode_tile; l_info->m_codec_data.m_decompression.opj_set_decode_area = (opj_bool (*) (void *,OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) j2k_set_decode_area; l_info->m_codec = j2k_create_decompress_v2(); - if - (! l_info->m_codec) - { + + if (! l_info->m_codec) { opj_free(l_info); - return 00; + return NULL; } + break; case CODEC_JP2: /* get a JP2 decoder handle */ -#ifdef TODO_MSD - l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))opj_jp2_decode; + l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))opj_jp2_decode; // TODO MSD l_info->m_codec_data.m_decompression.opj_end_decompress = (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress; l_info->m_codec_data.m_decompression.opj_read_header = (opj_bool (*) ( - void *, - opj_image_t **, - - OPJ_INT32 * , - OPJ_INT32 * , - OPJ_UINT32 * , - OPJ_UINT32 * , - OPJ_UINT32 * , - OPJ_UINT32 * , - struct opj_stream_private *, - struct opj_event_mgr * )) jp2_read_header; + struct opj_stream_private *, + void *, + opj_image_header_t **, + opj_codestream_info_t**, + struct opj_event_mgr * )) jp2_read_header; l_info->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) ( @@ -284,18 +275,16 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format) l_info->m_codec_data.m_decompression.opj_decode_tile_data = (opj_bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr * )) opj_jp2_decode_tile; l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy; - l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder; + l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2; l_info->m_codec_data.m_decompression.opj_set_decode_area = (opj_bool (*) (void *,OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) jp2_set_decode_area; - l_info->m_codec = jp2_create(OPJ_TRUE); - if - (! l_info->m_codec) - { + + if (! l_info->m_codec) { opj_free(l_info); return 00; } -#endif + break; case CODEC_UNKNOWN: case CODEC_JPT: diff --git a/libopenjpeg/openjpeg.h b/libopenjpeg/openjpeg.h index 2102f742..229982d9 100644 --- a/libopenjpeg/openjpeg.h +++ b/libopenjpeg/openjpeg.h @@ -812,6 +812,107 @@ typedef struct opj_codestream_info { opj_tile_info_t *tile; } opj_codestream_info_t; +// NEW codestream + +typedef struct opj_tile_v2_info { + + /** number of tile */ + int tileno; + + /** start position */ + int start_pos; + /** end position of the header */ + int end_header; + /** end position */ + int end_pos; + + /** add fixed_quality */ + int numpix; + /** add fixed_quality */ + double distotile; + + /** precinct number for each resolution level (width) */ + int pw[33]; + /** precinct number for each resolution level (height) */ + int ph[33]; + /** precinct size (in power of 2), in X for each resolution level */ + int pdx[33]; + /** precinct size (in power of 2), in Y for each resolution level */ + int pdy[33]; + /** information concerning packets inside tile */ + opj_packet_info_t *packet; + + + /** number of tile parts */ + int num_tps; + /** information concerning tile parts */ + opj_tp_info_t *tp; + + /** value of thresh for each layer by tile cfr. Marcela */ + double *thresh; +} opj_tile_info_v2_t; + +/** +Index structure of the codestream +*/ +typedef struct opj_codestream_v2_info { + /** image width */ + int image_w; + /** image height */ + int image_h; + /** numbers of component */ + int numcomps; + + /** progression order */ + OPJ_PROG_ORDER prog; + /** number of layer */ + int numlayers; + + /** */ + int tx0; + /** */ + int ty0; + /** tile size in x */ + int tdx; + /** tile size in y */ + int tdy; + /** number of tiles in X */ + int tw; + /** number of tiles in Y */ + int th; + + /** number of decomposition for each component */ + int *numdecompos; + + /** maximum distortion reduction on the whole image (add for Marcela) */ + double D_max; + /** packet number */ + int packno; + /** writing the packet in the index with t2_encode_packets */ + int index_write; + + + +/* UniPG>> */ + /** number of markers */ + int marknum; + /** list of markers */ + opj_marker_info_t *marker; + /** actual size of markers array */ + int maxmarknum; +/* <