X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fopenjp2%2Fppix_manager.c;h=2f0ce66b2058c7d614f588fbf1b438d6d6e4ab8c;hb=563bd8499e63db976ca8358216138647593354bc;hp=018a881233fedb76245f527a1063d3851232eafc;hpb=319fc971fef8a1e1c1c543506c26805873e3f258;p=openjpeg.git diff --git a/src/lib/openjp2/ppix_manager.c b/src/lib/openjp2/ppix_manager.c index 018a8812..2f0ce66b 100644 --- a/src/lib/openjp2/ppix_manager.c +++ b/src/lib/openjp2/ppix_manager.c @@ -35,7 +35,7 @@ #include "opj_includes.h" -/* +/* * Write faix box of ppix * * @param[in] coff offset of j2k codestream @@ -48,149 +48,168 @@ */ -int opj_write_ppix( int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) +int opj_write_ppix(int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, + int j2klen, opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) { - OPJ_BYTE l_data_header [4]; - int compno, i; - opj_jp2_box_t *box; - OPJ_OFF_T lenp; - OPJ_UINT32 len; - - /* printf("cstr_info.packno %d\n", cstr_info.packno); //NMAX? */ - - lenp = -1; - box = (opj_jp2_box_t *)opj_calloc( (size_t)cstr_info.numcomps, sizeof(opj_jp2_box_t)); - if(box == NULL){ - return 0; - } - for (i=0;i<2;i++){ - if (i) - - opj_stream_seek( cio, lenp, p_manager); - - lenp = (OPJ_UINT32)(opj_stream_tell(cio)); - opj_stream_skip( cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes(l_data_header,JPIP_PPIX,4);/* PPIX */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - opj_write_manf( i, cstr_info.numcomps, box, cio, p_manager); - - for (compno=0; compno pow( 2, 32)){ - size_of_coding = 8; - version = 1; - } - else{ - size_of_coding = 4; - version = 0; - } - - lenp = opj_stream_tell(cio); - opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes(l_data_header,JPIP_FAIX,4); /* FAIX */ - opj_write_bytes(l_data_header,version,1); - opj_stream_write_data(cio,l_data_header,1,p_manager);/* Version 0 = 4 bytes */ - - nmax = 0; - for( i=0; i<=(OPJ_UINT32)cstr_info.numdecompos[compno]; i++) - nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * cstr_info.numlayers); - - opj_write_bytes(l_data_header,nmax,size_of_coding); /* NMAX */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - opj_write_bytes(l_data_header,(OPJ_UINT32)(cstr_info.tw*cstr_info.th),size_of_coding); /* M */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - - for( tileno=0; tileno<(OPJ_UINT32)(cstr_info.tw*cstr_info.th); tileno++){ - tile_Idx = &cstr_info.tile[ tileno]; - - num_packet=0; - numOfres = cstr_info.numdecompos[compno] + 1; - - for( resno=0; resnopw[resno]*tile_Idx->ph[resno]; - for( precno=0; precnopacket[ ((layno*numOfres+resno)*cstr_info.numcomps+compno)*numOfprec+precno]; - break; - case OPJ_RLCP: - packet = tile_Idx->packet[ ((resno*numOflayers+layno)*cstr_info.numcomps+compno)*numOfprec+precno]; - break; - case OPJ_RPCL: - packet = tile_Idx->packet[ ((resno*numOfprec+precno)*cstr_info.numcomps+compno)*numOflayers+layno]; - break; - case OPJ_PCRL: - packet = tile_Idx->packet[ ((precno*cstr_info.numcomps+compno)*numOfres+resno)*numOflayers + layno]; - break; - case OPJ_CPRL: - packet = tile_Idx->packet[ ((compno*numOfprec+precno)*numOfres+resno)*numOflayers + layno]; - break; - default: - fprintf( stderr, "failed to ppix indexing\n"); - } - - opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.start_pos-coff),size_of_coding); /* start position */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.end_pos-packet.start_pos+1),size_of_coding); /* length */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - - num_packet++; - } - } + OPJ_BYTE l_data_header [8]; + OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8*/ + OPJ_UINT32 len; + OPJ_OFF_T lenp; + opj_tile_info_t *tile_Idx; + opj_packet_info_t packet; + int resno, precno, layno; + OPJ_UINT32 num_packet; + int numOfres, numOfprec, numOflayers; + packet.end_pos = packet.end_ph_pos = packet.start_pos = -1; + (void)EPHused; /* unused ? */ + + if (j2klen > pow(2, 32)) { + size_of_coding = 8; + version = 1; + } else { + size_of_coding = 4; + version = 0; + } + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */ + opj_write_bytes(l_data_header, version, 1); + opj_stream_write_data(cio, l_data_header, 1, + p_manager); /* Version 0 = 4 bytes */ + + nmax = 0; + for (i = 0; i <= (OPJ_UINT32)cstr_info.numdecompos[compno]; i++) { + nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * + cstr_info.numlayers); } - - while( num_packet < nmax){ /* PADDING */ - opj_write_bytes(l_data_header,0,size_of_coding);/* start position */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - opj_write_bytes(l_data_header,0,size_of_coding);/* length */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - num_packet++; - } - } - - len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp); - opj_stream_seek(cio, lenp,p_manager); - opj_write_bytes(l_data_header,len,4);/* L */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - opj_stream_seek(cio, lenp+len,p_manager); - - return (int)len; + + opj_write_bytes(l_data_header, nmax, size_of_coding); /* NMAX */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th), + size_of_coding); /* M */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + + for (tileno = 0; tileno < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); tileno++) { + tile_Idx = &cstr_info.tile[ tileno]; + + num_packet = 0; + numOfres = cstr_info.numdecompos[compno] + 1; + + for (resno = 0; resno < numOfres ; resno++) { + numOfprec = tile_Idx->pw[resno] * tile_Idx->ph[resno]; + for (precno = 0; precno < numOfprec; precno++) { + numOflayers = cstr_info.numlayers; + for (layno = 0; layno < numOflayers; layno++) { + + switch (cstr_info.prog) { + case OPJ_LRCP: + packet = tile_Idx->packet[((layno * numOfres + resno) * cstr_info.numcomps + + compno) * numOfprec + precno]; + break; + case OPJ_RLCP: + packet = tile_Idx->packet[((resno * numOflayers + layno) * cstr_info.numcomps + + compno) * numOfprec + precno]; + break; + case OPJ_RPCL: + packet = tile_Idx->packet[((resno * numOfprec + precno) * cstr_info.numcomps + + compno) * numOflayers + layno]; + break; + case OPJ_PCRL: + packet = tile_Idx->packet[((precno * cstr_info.numcomps + compno) * numOfres + + resno) * numOflayers + layno]; + break; + case OPJ_CPRL: + packet = tile_Idx->packet[((compno * numOfprec + precno) * numOfres + resno) * + numOflayers + layno]; + break; + default: + fprintf(stderr, "failed to ppix indexing\n"); + } + + opj_write_bytes(l_data_header, (OPJ_UINT32)(packet.start_pos - coff), + size_of_coding); /* start position */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + opj_write_bytes(l_data_header, + (OPJ_UINT32)(packet.end_pos - packet.start_pos + 1), + size_of_coding); /* length */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + + num_packet++; + } + } + } + + while (num_packet < nmax) { /* PADDING */ + opj_write_bytes(l_data_header, 0, + size_of_coding); /* start position */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + opj_write_bytes(l_data_header, 0, + size_of_coding); /* length */ + opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); + num_packet++; + } + } + + len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); + opj_stream_seek(cio, lenp, p_manager); + opj_write_bytes(l_data_header, len, 4); /* L */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + opj_stream_seek(cio, lenp + len, p_manager); + + return (int)len; }