diff options
Diffstat (limited to 'openjpeg/src/lib/openjp2/cidx_manager.c')
| -rw-r--r-- | openjpeg/src/lib/openjp2/cidx_manager.c | 358 |
1 files changed, 188 insertions, 170 deletions
diff --git a/openjpeg/src/lib/openjp2/cidx_manager.c b/openjpeg/src/lib/openjp2/cidx_manager.c index 30561ed20..c273f9a0f 100644 --- a/openjpeg/src/lib/openjp2/cidx_manager.c +++ b/openjpeg/src/lib/openjp2/cidx_manager.c @@ -32,7 +32,7 @@ #include "opj_includes.h" -/* +/* * Write CPTR Codestream finder box * * @param[in] coff offset of j2k codestream @@ -41,201 +41,219 @@ */ void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); + opj_event_mgr_t * p_manager); -int opj_write_cidx( int offset, opj_stream_private_t *cio, opj_codestream_info_t cstr_info, int j2klen, - opj_event_mgr_t * p_manager ) +int opj_write_cidx(int offset, opj_stream_private_t *cio, + opj_codestream_info_t cstr_info, int j2klen, + opj_event_mgr_t * p_manager) { - int i; - OPJ_OFF_T lenp; - OPJ_UINT32 len; - opj_jp2_box_t *box; - int num_box = 0; - OPJ_BOOL EPHused; - OPJ_BYTE l_data_header [4]; - - lenp = -1; - box = (opj_jp2_box_t *)opj_calloc( 32, 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_stream_tell (cio); - - opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ - - opj_write_bytes(l_data_header,JPIP_CIDX,4); /* CIDX */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - opj_write_cptr( offset, cstr_info.codestream_size, cio,p_manager); - - opj_write_manf( i, num_box, box, cio,p_manager); - - num_box = 0; - box[num_box].length = (OPJ_UINT32)opj_write_mainmhix( offset, cstr_info, cio,p_manager); - box[num_box].type = JPIP_MHIX; - num_box++; - - box[num_box].length = (OPJ_UINT32)opj_write_tpix( offset, cstr_info, j2klen, cio,p_manager); - box[num_box].type = JPIP_TPIX; - num_box++; - - box[num_box].length = (OPJ_UINT32)opj_write_thix( offset, cstr_info, cio, p_manager); - box[num_box].type = JPIP_THIX; - num_box++; - - EPHused = opj_check_EPHuse( offset, cstr_info.marker, cstr_info.marknum, cio,p_manager); - - box[num_box].length = (OPJ_UINT32)opj_write_ppix( offset, cstr_info, EPHused, j2klen, cio,p_manager); - box[num_box].type = JPIP_PPIX; - num_box++; - - box[num_box].length = (OPJ_UINT32)opj_write_phix( offset, cstr_info, EPHused, j2klen, cio,p_manager); - box[num_box].type = JPIP_PHIX; - num_box++; - - 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); - } - - opj_free( box); - - return (int)len; + int i; + OPJ_OFF_T lenp; + OPJ_UINT32 len; + opj_jp2_box_t *box; + int num_box = 0; + OPJ_BOOL EPHused; + OPJ_BYTE l_data_header [4]; + + lenp = -1; + box = (opj_jp2_box_t *)opj_calloc(32, 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_stream_tell(cio); + + opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ + + opj_write_bytes(l_data_header, JPIP_CIDX, 4); /* CIDX */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + + opj_write_cptr(offset, cstr_info.codestream_size, cio, p_manager); + + opj_write_manf(i, num_box, box, cio, p_manager); + + num_box = 0; + box[num_box].length = (OPJ_UINT32)opj_write_mainmhix(offset, cstr_info, cio, + p_manager); + box[num_box].type = JPIP_MHIX; + num_box++; + + box[num_box].length = (OPJ_UINT32)opj_write_tpix(offset, cstr_info, j2klen, cio, + p_manager); + box[num_box].type = JPIP_TPIX; + num_box++; + + box[num_box].length = (OPJ_UINT32)opj_write_thix(offset, cstr_info, cio, + p_manager); + box[num_box].type = JPIP_THIX; + num_box++; + + EPHused = opj_check_EPHuse(offset, cstr_info.marker, cstr_info.marknum, cio, + p_manager); + + box[num_box].length = (OPJ_UINT32)opj_write_ppix(offset, cstr_info, EPHused, + j2klen, cio, p_manager); + box[num_box].type = JPIP_PPIX; + num_box++; + + box[num_box].length = (OPJ_UINT32)opj_write_phix(offset, cstr_info, EPHused, + j2klen, cio, p_manager); + box[num_box].type = JPIP_PHIX; + num_box++; + + 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); + } + + opj_free(box); + + return (int)len; } void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) + opj_event_mgr_t * p_manager) { - OPJ_BYTE l_data_header [3*8]; - OPJ_UINT32 len; - OPJ_OFF_T lenp; - - - lenp = opj_stream_tell(cio); - opj_stream_skip( cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes( l_data_header, JPIP_CPTR, 4); /* T */ - opj_write_bytes( l_data_header+4, 0, 2); /* DR A PRECISER !! */ - opj_write_bytes( l_data_header+6, 0, 2); /* CONT */ - opj_write_bytes( l_data_header+8, (OPJ_UINT32)coff, 8); /* COFF A PRECISER !! */ - opj_write_bytes( l_data_header+16, (OPJ_UINT32)clen, 8); /* CLEN */ - opj_stream_write_data(cio,l_data_header,3*8,p_manager); - - 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); + OPJ_BYTE l_data_header [3 * 8]; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_CPTR, 4); /* T */ + opj_write_bytes(l_data_header + 4, 0, 2); /* DR A PRECISER !! */ + opj_write_bytes(l_data_header + 6, 0, 2); /* CONT */ + opj_write_bytes(l_data_header + 8, (OPJ_UINT32)coff, + 8); /* COFF A PRECISER !! */ + opj_write_bytes(l_data_header + 16, (OPJ_UINT32)clen, + 8); /* CLEN */ + opj_stream_write_data(cio, l_data_header, 3 * 8, p_manager); + + 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); } -void opj_write_manf(int second, - int v, - opj_jp2_box_t *box, +void opj_write_manf(int second, + int v, + opj_jp2_box_t *box, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) + opj_event_mgr_t * p_manager) { - OPJ_BYTE l_data_header [4]; - int i; - OPJ_UINT32 len; - OPJ_OFF_T lenp; - - lenp = opj_stream_tell(cio); - opj_stream_skip( cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes( l_data_header, JPIP_MANF, 4); /* T */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - if (second){ /* Write only during the second pass */ - for( i=0; i<v; i++){ - opj_write_bytes( l_data_header, box[i].length, 4); /* Box length */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - opj_write_bytes( l_data_header, box[i].type, 4); /* Box type */ - opj_stream_write_data(cio,l_data_header,4,p_manager); + OPJ_BYTE l_data_header [4]; + int i; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_MANF, 4); /* T */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + + if (second) { /* Write only during the second pass */ + for (i = 0; i < v; i++) { + opj_write_bytes(l_data_header, box[i].length, + 4); /* Box length */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + opj_write_bytes(l_data_header, box[i].type, + 4); /* Box type */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + } } - } - 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); + 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); } -int opj_write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) +int opj_write_mainmhix(int coff, opj_codestream_info_t cstr_info, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) { - OPJ_BYTE l_data_header [8]; - OPJ_UINT32 i; - OPJ_UINT32 len; - OPJ_OFF_T lenp; - - lenp = opj_stream_tell (cio); - opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes(l_data_header,JPIP_MHIX,4); /* MHIX */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.main_head_end-cstr_info.main_head_start+1), 8); /* TLEN */ - opj_stream_write_data(cio,l_data_header,8,p_manager); - - for(i = 1; i < (OPJ_UINT32)cstr_info.marknum; i++){ /* Marker restricted to 1 apparition, skip SOC marker */ - opj_write_bytes( l_data_header, cstr_info.marker[i].type, 2); - opj_write_bytes( l_data_header+2, 0, 2); - opj_stream_write_data(cio,l_data_header,4,p_manager); - opj_write_bytes( l_data_header,(OPJ_UINT32) (cstr_info.marker[i].pos-coff), 8); - opj_stream_write_data(cio,l_data_header,8,p_manager); - opj_write_bytes( l_data_header, (OPJ_UINT32)cstr_info.marker[i].len, 2); - opj_stream_write_data(cio,l_data_header,2,p_manager); - } - - 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_BYTE l_data_header [8]; + OPJ_UINT32 i; + OPJ_UINT32 len; + OPJ_OFF_T lenp; + + lenp = opj_stream_tell(cio); + opj_stream_skip(cio, 4, + p_manager); /* L [at the end] */ + opj_write_bytes(l_data_header, JPIP_MHIX, + 4); /* MHIX */ + opj_stream_write_data(cio, l_data_header, 4, p_manager); + + opj_write_bytes(l_data_header, + (OPJ_UINT32)(cstr_info.main_head_end - cstr_info.main_head_start + 1), + 8); /* TLEN */ + opj_stream_write_data(cio, l_data_header, 8, p_manager); + + for (i = 1; i < (OPJ_UINT32)cstr_info.marknum; + i++) { /* Marker restricted to 1 apparition, skip SOC marker */ + opj_write_bytes(l_data_header, cstr_info.marker[i].type, 2); + opj_write_bytes(l_data_header + 2, 0, 2); + opj_stream_write_data(cio, l_data_header, 4, p_manager); + opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.marker[i].pos - coff), 8); + opj_stream_write_data(cio, l_data_header, 8, p_manager); + opj_write_bytes(l_data_header, (OPJ_UINT32)cstr_info.marker[i].len, 2); + opj_stream_write_data(cio, l_data_header, 2, p_manager); + } + + 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_BOOL opj_check_EPHuse( int coff, opj_marker_info_t *markers, int marknum, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) +OPJ_BOOL opj_check_EPHuse(int coff, opj_marker_info_t *markers, int marknum, + opj_stream_private_t *cio, + opj_event_mgr_t * p_manager) { - OPJ_BYTE l_data_header [4]; - OPJ_BOOL EPHused = OPJ_FALSE; - int i=0; - OPJ_OFF_T org_pos; - unsigned int Scod; - - for(i = 0; i < marknum; i++) - { - if( markers[i].type == J2K_MS_COD) - { - org_pos = opj_stream_tell(cio); - opj_stream_seek(cio, coff+markers[i].pos+2,p_manager); - - opj_stream_read_data(cio,l_data_header,1,p_manager); - opj_read_bytes(l_data_header,&Scod,1); - if( ((Scod >> 2) & 1)) - EPHused = OPJ_TRUE; - opj_stream_seek( cio, org_pos, p_manager); - - break; - } - } - return EPHused; + OPJ_BYTE l_data_header [4]; + OPJ_BOOL EPHused = OPJ_FALSE; + int i = 0; + OPJ_OFF_T org_pos; + unsigned int Scod; + + for (i = 0; i < marknum; i++) { + if (markers[i].type == J2K_MS_COD) { + org_pos = opj_stream_tell(cio); + opj_stream_seek(cio, coff + markers[i].pos + 2, p_manager); + + opj_stream_read_data(cio, l_data_header, 1, p_manager); + opj_read_bytes(l_data_header, &Scod, 1); + if (((Scod >> 2) & 1)) { + EPHused = OPJ_TRUE; + } + opj_stream_seek(cio, org_pos, p_manager); + + break; + } + } + return EPHused; } |