/*
* $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
*
- * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2011, Professor Benoit Macq
+ * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2003-2004, Yannick Verschueren
* Copyright (c) 2010-2011, Kaori Hagihara
* All rights reserved.
#define MAX(a,b) ((a)>(b)?(a):(b))
-/*
+/*
* Get number of maximum tile parts per tile
*
* @param[in] cstr_info codestream information
* @return number of maximum tile parts per tile
*/
-int get_num_max_tile_parts( opj_codestream_info_t cstr_info);
+int get_num_max_tile_parts(opj_codestream_info_t cstr_info);
-/*
+/*
* Write faix box of tpix
*
* @param[in] coff offset of j2k codestream
* @return length of faix box
*/
-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 )
+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,
- opj_stream_private_t *cio,
- opj_event_mgr_t * p_manager )
+int opj_write_tpixfaix(int coff,
+ 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 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;
}
projects / openjpeg.git / blobdiff