#include "opj_includes.h"
-/*
+/*
* Write CPTR Codestream finder box
*
* @param[in] coff offset of j2k codestream
*/
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));
-
- 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;
}
projects / openjpeg.git / blobdiff