diff options
Diffstat (limited to 'src/lib/openjp2/tpix_manager.c')
| -rw-r--r-- | src/lib/openjp2/tpix_manager.c | 217 |
1 files changed, 106 insertions, 111 deletions
diff --git a/src/lib/openjp2/tpix_manager.c b/src/lib/openjp2/tpix_manager.c index 74c02ba7..c4678545 100644 --- a/src/lib/openjp2/tpix_manager.c +++ b/src/lib/openjp2/tpix_manager.c @@ -37,7 +37,7 @@ #define MAX(a,b) ((a)>(b)?(a):(b)) -/* +/* * Get number of maximum tile parts per tile * * @param[in] cstr_info codestream information @@ -46,7 +46,7 @@ int get_num_max_tile_parts( opj_codestream_info_t cstr_info); -/* +/* * Write faix box of tpix * * @param[in] coff offset of j2k codestream @@ -57,129 +57,124 @@ int get_num_max_tile_parts( opj_codestream_info_t cstr_info); * @return length of faix box */ -int opj_write_tpix( int coff, - opj_codestream_info_t cstr_info, +int opj_write_tpix( int coff, + opj_codestream_info_t cstr_info, int j2klen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager ) { - OPJ_BYTE l_data_header [4]; - OPJ_UINT32 len; - OPJ_OFF_T lenp; - - lenp = opj_stream_tell(cio); - opj_stream_skip(cio, 4, p_manager); - opj_write_bytes(l_data_header,JPIP_TPIX,4); /* TPIX */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - opj_write_tpixfaix( coff, 0, cstr_info, j2klen, cio,p_manager); - - len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp); - - opj_stream_skip(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_BYTE l_data_header [4]; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, p_manager); + opj_write_bytes(l_data_header,JPIP_TPIX,4); /* TPIX */ + opj_stream_write_data(cio,l_data_header,4,p_manager); + + opj_write_tpixfaix( coff, 0, cstr_info, j2klen, cio,p_manager); + + len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp); + + opj_stream_skip(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; } int opj_write_tpixfaix( int coff, - int compno, - opj_codestream_info_t cstr_info, - int j2klen, + int compno, + opj_codestream_info_t cstr_info, + int j2klen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager ) { - OPJ_UINT32 len; - OPJ_OFF_T lenp; - OPJ_UINT32 i, j; - OPJ_UINT32 Aux; - OPJ_UINT32 num_max_tile_parts; - OPJ_UINT32 size_of_coding; /* 4 or 8 */ - opj_tp_info_t tp; - OPJ_BYTE l_data_header [8]; - OPJ_UINT32 version; - - num_max_tile_parts = (OPJ_UINT32)get_num_max_tile_parts( cstr_info); - - if( j2klen > pow( 2, 32)){ - size_of_coding = 8; - version = num_max_tile_parts == 1 ? 1:3; - } - else{ - size_of_coding = 4; - version = num_max_tile_parts == 1 ? 0:2; - } - - 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_stream_write_data(cio,l_data_header,4,p_manager); - opj_write_bytes(l_data_header,version,1); /* Version 0 = 4 bytes */ - opj_stream_write_data(cio,l_data_header,1,p_manager); - - opj_write_bytes(l_data_header,num_max_tile_parts,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 (i = 0; i < (OPJ_UINT32)(cstr_info.tw*cstr_info.th); i++) - { - for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) - { - tp = cstr_info.tile[i].tp[j]; - - opj_write_bytes(l_data_header,(OPJ_UINT32)(tp.tp_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)(tp.tp_end_pos-tp.tp_start_pos+1),size_of_coding); /* length */ - opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); - - if (version & 0x02) - { - if( cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) - Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1); - else - Aux = j + 1; - - opj_write_bytes(l_data_header,Aux,4); - opj_stream_write_data(cio,l_data_header,4,p_manager); - - /*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */ - /* fprintf(stderr,"AUX value %d\n",Aux);*/ + OPJ_UINT32 len; + OPJ_OFF_T lenp; + OPJ_UINT32 i, j; + OPJ_UINT32 Aux; + OPJ_UINT32 num_max_tile_parts; + OPJ_UINT32 size_of_coding; /* 4 or 8 */ + opj_tp_info_t tp; + OPJ_BYTE l_data_header [8]; + OPJ_UINT32 version; + + num_max_tile_parts = (OPJ_UINT32)get_num_max_tile_parts( cstr_info); + + if( j2klen > pow( 2, 32)) { + size_of_coding = 8; + version = num_max_tile_parts == 1 ? 1:3; + } else { + size_of_coding = 4; + version = num_max_tile_parts == 1 ? 0:2; + } + + 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_stream_write_data(cio,l_data_header,4,p_manager); + opj_write_bytes(l_data_header,version,1); /* Version 0 = 4 bytes */ + opj_stream_write_data(cio,l_data_header,1,p_manager); + + opj_write_bytes(l_data_header,num_max_tile_parts,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 (i = 0; i < (OPJ_UINT32)(cstr_info.tw*cstr_info.th); i++) { + for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) { + tp = cstr_info.tile[i].tp[j]; + + opj_write_bytes(l_data_header,(OPJ_UINT32)(tp.tp_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)(tp.tp_end_pos-tp.tp_start_pos+1),size_of_coding); /* length */ + opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager); + + if (version & 0x02) { + if( cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) + Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1); + else + Aux = j + 1; + + opj_write_bytes(l_data_header,Aux,4); + opj_stream_write_data(cio,l_data_header,4,p_manager); + + /*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */ + /* fprintf(stderr,"AUX value %d\n",Aux);*/ + } + /*cio_write(0,4);*/ + } + /* PADDING */ + while (j < num_max_tile_parts) { + + 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); + + if (version & 0x02) + opj_write_bytes(l_data_header,0,4); /* Aux_i,j : Auxiliary value */ + opj_stream_write_data(cio,l_data_header,4,p_manager); + j++; } - /*cio_write(0,4);*/ - } - /* PADDING */ - while (j < num_max_tile_parts) - { - - 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); - - if (version & 0x02) - opj_write_bytes(l_data_header,0,4); /* Aux_i,j : Auxiliary value */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - j++; - } } - - 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; + + 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; } int get_num_max_tile_parts( opj_codestream_info_t cstr_info) { - int num_max_tp = 0, i; + int num_max_tp = 0, i; + + for( i=0; i<cstr_info.tw*cstr_info.th; i++) + num_max_tp = MAX( cstr_info.tile[i].num_tps, num_max_tp); - for( i=0; i<cstr_info.tw*cstr_info.th; i++) - num_max_tp = MAX( cstr_info.tile[i].num_tps, num_max_tp); - - return num_max_tp; + return num_max_tp; } |