/*
* $Id: cidx_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.
#include "opj_includes.h"
-/*
+/*
* Write CPTR Codestream finder box
*
* @param[in] coff offset of j2k codestream
* @param[in] clen length of j2k codestream
* @param[in] cio file output handle
*/
-void write_cptr(int coff, int clen, opj_cio_t *cio);
+void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager);
-/*
- * Write main header index table (box)
- *
- * @param[in] coff offset of j2k codestream
- * @param[in] cstr_info codestream information
- * @param[in] cio file output handle
- * @return length of mainmhix box
- */
-int write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio);
-/*
- * Check if EPH option is used
- *
- * @param[in] coff offset of j2k codestream
- * @param[in] markers marker information
- * @param[in] marknum number of markers
- * @param[in] cio file output handle
- * @return true if EPH is used
- */
-opj_bool check_EPHuse( int coff, opj_marker_info_t *markers, int marknum, opj_cio_t *cio);
-int write_cidx( int offset, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t cstr_info, int j2klen)
+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 len, i, lenp;
- opj_jp2_box_t *box;
- int num_box = 0;
- opj_bool EPHused;
- (void)image; /* unused ? */
-
- lenp = -1;
- box = (opj_jp2_box_t *)opj_calloc( 32, sizeof(opj_jp2_box_t));
-
- for (i=0;i<2;i++){
-
- if(i)
- cio_seek( cio, lenp);
-
- lenp = cio_tell( cio);
-
- cio_skip( cio, 4); /* L [at the end] */
- cio_write( cio, JPIP_CIDX, 4); /* CIDX */
- write_cptr( offset, cstr_info.codestream_size, cio);
-
- write_manf( i, num_box, box, cio);
-
- num_box = 0;
- box[num_box].length = write_mainmhix( offset, cstr_info, cio);
- box[num_box].type = JPIP_MHIX;
- num_box++;
-
- box[num_box].length = write_tpix( offset, cstr_info, j2klen, cio);
- box[num_box].type = JPIP_TPIX;
- num_box++;
-
- box[num_box].length = write_thix( offset, cstr_info, cio);
- box[num_box].type = JPIP_THIX;
- num_box++;
-
- EPHused = check_EPHuse( offset, cstr_info.marker, cstr_info.marknum, cio);
-
- box[num_box].length = write_ppix( offset, cstr_info, EPHused, j2klen, cio);
- box[num_box].type = JPIP_PPIX;
- num_box++;
-
- box[num_box].length = write_phix( offset, cstr_info, EPHused, j2klen, cio);
- box[num_box].type = JPIP_PHIX;
- num_box++;
-
- len = cio_tell( cio)-lenp;
- cio_seek( cio, lenp);
- cio_write( cio, len, 4); /* L */
- cio_seek( cio, lenp+len);
- }
-
- opj_free( box);
-
- return 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 write_cptr(int coff, int clen, opj_cio_t *cio)
+
+
+void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager)
{
- int len, lenp;
-
- lenp = cio_tell( cio);
- cio_skip( cio, 4); /* L [at the end] */
- cio_write( cio, JPIP_CPTR, 4); /* T */
- cio_write( cio, 0, 2); /* DR A PRECISER !! */
- cio_write( cio, 0, 2); /* CONT */
- cio_write( cio, coff, 8); /* COFF A PRECISER !! */
- cio_write( cio, clen, 8); /* CLEN */
- len = cio_tell( cio) - lenp;
- cio_seek( cio, lenp);
- cio_write( cio, len, 4); /* L */
- cio_seek( cio, lenp+len);
+ 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 write_manf(int second, int v, opj_jp2_box_t *box, opj_cio_t *cio)
+
+
+void opj_write_manf(int second,
+ int v,
+ opj_jp2_box_t *box,
+ opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager)
{
- int len, lenp, i;
-
- lenp = cio_tell( cio);
- cio_skip( cio, 4); /* L [at the end] */
- cio_write( cio, JPIP_MANF,4); /* T */
-
- if (second){ /* Write only during the second pass */
- for( i=0; i<v; i++){
- cio_write( cio, box[i].length, 4); /* Box length */
- cio_write( cio, box[i].type, 4); /* Box type */
+ 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 = cio_tell( cio) - lenp;
- cio_seek( cio, lenp);
- cio_write( cio, len, 4); /* L */
- cio_seek( cio, lenp+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);
}
-int write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio)
+
+int opj_write_mainmhix(int coff, opj_codestream_info_t cstr_info,
+ opj_stream_private_t *cio,
+ opj_event_mgr_t * p_manager)
{
- int i;
- int len, lenp;
-
- lenp = cio_tell( cio);
- cio_skip( cio, 4); /* L [at the end] */
- cio_write( cio, JPIP_MHIX, 4); /* MHIX */
-
- cio_write( cio, cstr_info.main_head_end-cstr_info.main_head_start+1, 8); /* TLEN */
-
- for(i = 1; i < cstr_info.marknum; i++){ /* Marker restricted to 1 apparition, skip SOC marker */
- cio_write( cio, cstr_info.marker[i].type, 2);
- cio_write( cio, 0, 2);
- cio_write( cio, cstr_info.marker[i].pos-coff, 8);
- cio_write( cio, cstr_info.marker[i].len, 2);
- }
-
- len = cio_tell( cio) - lenp;
- cio_seek( cio, lenp);
- cio_write( cio, len, 4); /* L */
- cio_seek( cio, lenp+len);
-
- return 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 check_EPHuse( int coff, opj_marker_info_t *markers, int marknum, opj_cio_t *cio)
+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 EPHused = OPJ_FALSE;
- int i=0;
- int org_pos;
- unsigned int Scod;
-
- for(i = 0; i < marknum; i++){
- if( markers[i].type == J2K_MS_COD){
- org_pos = cio_tell( cio);
- cio_seek( cio, coff+markers[i].pos+2);
-
- Scod = cio_read( cio, 1);
- if( ((Scod >> 2) & 1))
- EPHused = OPJ_TRUE;
- cio_seek( cio, org_pos);
-
- break;
+ 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;
+ return EPHused;
}
projects / openjpeg.git / blobdiff