Exemplo n.º 1
0
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 len;
}
Exemplo n.º 2
0
int write_tpix_v2( 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];
  int len, lenp;
#if 0
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_TPIX, 4);  /* TPIX           */
#else
  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);
#endif
  
  write_tpixfaix_v2( coff, 0, cstr_info, j2klen, cio,p_manager);

#if 0
  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);
#else
  len = 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);
#endif

  return len;
}
Exemplo n.º 3
0
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;
}
Exemplo n.º 4
0
static int write_fidx_v2( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{  
  OPJ_BYTE l_data_header [4];
  int len, lenp;
  
#if 0
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_FIDX, 4);  /* IPTR           */
#else
  lenp = opj_stream_tell(cio);
  opj_stream_skip(cio, 4, p_manager);
  opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
  opj_stream_write_data(cio,l_data_header,4,p_manager);
#endif
  
  write_prxy_v2( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);

#if 0
  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);  
#else
  len = 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);
#endif

  return len;
}
Exemplo n.º 5
0
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_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);
}
Exemplo n.º 6
0
int write_thix_v2( int coff, opj_codestream_info_t cstr_info, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [4];
  int len, lenp, i;
  int tileno;
  opj_jp2_box_t *box;

  lenp = 0;
  box = (opj_jp2_box_t *)opj_calloc( cstr_info.tw*cstr_info.th, sizeof(opj_jp2_box_t));

  for ( i = 0; i < 2 ; i++ ){
    if (i)
#if 0
      cio_seek( cio, lenp);
#else
      opj_stream_seek( cio, lenp, p_manager);
#endif

#if 0
    lenp = cio_tell( cio);
    cio_skip( cio, 4);              /* L [at the end] */
    cio_write( cio, JPIP_THIX, 4);  /* THIX           */
#else
    lenp = opj_stream_tell(cio);
    opj_stream_skip(cio, 4, p_manager);             /* L [at the end] */
    opj_write_bytes(l_data_header,JPIP_THIX,4); /* THIX */
    opj_stream_write_data(cio,l_data_header,4,p_manager);
#endif
    write_manf_v2( i, cstr_info.tw*cstr_info.th, box, cio);
    
    for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){
      box[tileno].length = write_tilemhix_v2( coff, cstr_info, tileno, cio);
      box[tileno].type = JPIP_MHIX;
    }
 
#if 0
    len = cio_tell( cio)-lenp;
    cio_seek( cio, lenp);
    cio_write( cio, len, 4);        /* L              */
    cio_seek( cio, lenp+len);
#else
    len = 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);
#endif
  }

  opj_free(box);

  return len;
}
Exemplo n.º 7
0
static opj_bool opj_jpip_write_jp2c(opj_jp2_v2_t *jp2,
							opj_stream_private_t *cio,
							opj_event_mgr_t * p_manager )
{
	OPJ_OFF_T j2k_codestream_exit;
  opj_codestream_info_t cstr_info;
	OPJ_BYTE l_data_header [8];
  OPJ_UINT32 len_jp2c;
  int len_cidx;
  int len_fidx;
  int pos_jp2c;
  int pos_fidx;
  int pos_cidx;
	
	/* preconditions */
	assert(jp2 != 00);
	assert(cio != 00);
	assert(p_manager != 00);
	assert(opj_stream_has_seek(cio));
	
	j2k_codestream_exit = opj_stream_tell(cio);
  len_jp2c = j2k_codestream_exit - jp2->j2k_codestream_offset;
  pos_jp2c = jp2->j2k_codestream_offset;
	opj_write_bytes(l_data_header, len_jp2c, 4); /* size of codestream */
	opj_write_bytes(l_data_header + 4,JP2_JP2C,4);									   /* JP2C */

	if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
		return OPJ_FALSE;
	}
	
	if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
		return OPJ_FALSE;
	}

	if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
		return OPJ_FALSE;
	}

  /* CIDX */
  pos_cidx = opj_stream_tell( cio);
  /*cinfo = jp2_get_cstr_info(jp2);*/
  assert( 0 ); /* MM: FIXME */
  len_cidx = write_cidx_v2( pos_jp2c+8, cio, cstr_info, len_jp2c-8,p_manager);

  /* FIDX */
  pos_fidx = opj_stream_tell( cio);
  len_fidx = write_fidx_v2( pos_jp2c, len_jp2c, pos_cidx, len_cidx, cio, p_manager);

	return OPJ_TRUE;
}
Exemplo n.º 8
0
static opj_bool opj_jpip_write_fidx(opj_jp2_v2_t *jp2,
							opj_stream_private_t *cio,
							opj_event_mgr_t * p_manager )
{
	OPJ_OFF_T j2k_codestream_exit;
	OPJ_BYTE l_data_header [24];
	
	/* preconditions */
	assert(jp2 != 00);
	assert(cio != 00);
	assert(p_manager != 00);
	assert(opj_stream_has_seek(cio));
	
	opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
	opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);									   /* IPTR */
  opj_write_double(l_data_header + 4 + 4, 0); /* offset */
  opj_write_double(l_data_header + 8 + 8, 0); /* length */

	if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
		return OPJ_FALSE;
	}

	j2k_codestream_exit = opj_stream_tell(cio);
	if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
		return OPJ_FALSE;
	}

	return OPJ_TRUE;
}
Exemplo n.º 9
0
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;
      }
    }    
Exemplo n.º 10
0
int opj_write_phix( int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [8];
  OPJ_UINT32 len, compno, i;
  opj_jp2_box_t *box;
  OPJ_OFF_T lenp = 0;

  box = (opj_jp2_box_t *)opj_calloc( (size_t)cstr_info.numcomps, 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_PHIX,4); /* PHIX */
    opj_stream_write_data(cio,l_data_header,4,p_manager);
      
    opj_write_manf( (int)i, cstr_info.numcomps, box, cio, p_manager );

    for( compno=0; compno<(OPJ_UINT32)cstr_info.numcomps; compno++){       
      box[compno].length = (OPJ_UINT32)opj_write_phixfaix( coff, (int)compno, cstr_info, EPHused, j2klen, cio,p_manager);
      box[compno].type = JPIP_FAIX;
    }

    len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
    opj_stream_seek(cio, 4, 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;
}
Exemplo n.º 11
0
void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio,
              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);

}
Exemplo n.º 12
0
static opj_bool opj_jpip_skip_iptr(	opj_jp2_v2_t *jp2,
					    	opj_stream_private_t *stream,
					    	opj_event_mgr_t * p_manager )
{
	/* preconditions */
	assert(jp2 != 00);
	assert(stream != 00);
	assert(p_manager != 00);

	jp2->jpip_iptr_offset = opj_stream_tell(stream);

	if (opj_stream_skip(stream,24,p_manager) != 24) {
		return OPJ_FALSE;
	}

	return OPJ_TRUE;
}
Exemplo n.º 13
0
int opj_write_phixfaix( int coff, int compno, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
  opj_tile_info_t *tile_Idx;
  opj_packet_info_t packet;
  int resno, precno, layno;
  OPJ_UINT32 num_packet;
  int numOfres, numOfprec, numOflayers;
  OPJ_BYTE l_data_header [8];
  OPJ_OFF_T lenp;
  OPJ_UINT32 len;

  packet.end_ph_pos = packet.start_pos = -1;
  (void)EPHused; /* unused ? */


  if( j2klen > pow( 2, 32)){
    size_of_coding =  8;
    version = 1;
  }
  else{
    size_of_coding = 4;
    version = 0;
  }

  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);

  nmax = 0;
  for( i=0; i<=(OPJ_UINT32)cstr_info.numdecompos[compno]; i++)
    nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * cstr_info.numlayers);
  
  opj_write_bytes(l_data_header,nmax,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( tileno=0; tileno<(OPJ_UINT32)(cstr_info.tw*cstr_info.th); tileno++){
    tile_Idx = &cstr_info.tile[ tileno];
    
    num_packet = 0;
    numOfres = cstr_info.numdecompos[compno] + 1;

    for( resno=0; resno<numOfres ; resno++){
      numOfprec = tile_Idx->pw[resno]*tile_Idx->ph[resno];
      for( precno=0; precno<numOfprec; precno++){
	numOflayers = cstr_info.numlayers;
	for( layno=0; layno<numOflayers; layno++){
	  
	  switch ( cstr_info.prog){
	  case OPJ_LRCP:
	    packet = tile_Idx->packet[ ((layno*numOfres+resno)*cstr_info.numcomps+compno)*numOfprec+precno];
	    break;
	  case OPJ_RLCP:
	    packet = tile_Idx->packet[ ((resno*numOflayers+layno)*cstr_info.numcomps+compno)*numOfprec+precno];
	    break;
	  case OPJ_RPCL:
	    packet = tile_Idx->packet[ ((resno*numOfprec+precno)*cstr_info.numcomps+compno)*numOflayers+layno];
	    break;
	  case OPJ_PCRL:
	    packet = tile_Idx->packet[ ((precno*cstr_info.numcomps+compno)*numOfres+resno)*numOflayers + layno];
	    break;
	  case OPJ_CPRL:
	    packet = tile_Idx->packet[ ((compno*numOfprec+precno)*numOfres+resno)*numOflayers + layno];
	    break;
	  default:
	    fprintf( stderr, "failed to ppix indexing\n");
	  }

    opj_write_bytes(l_data_header,(OPJ_UINT32)(packet.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)(packet.end_ph_pos-packet.start_pos+1),size_of_coding); /* length         */
    opj_stream_write_data(cio,l_data_header,size_of_coding,p_manager);
	  
	  num_packet++;
	}
      }
    }

    /* PADDING */
    while( num_packet < nmax){
      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);
      num_packet++;
    }
  }

  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;
}
Exemplo n.º 14
0
static void write_prxy_v2( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [8];
  int len, lenp;

#if 0
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_PRXY, 4);  /* IPTR           */
#else
  lenp = opj_stream_tell(cio);
  opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
  opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
  opj_stream_write_data(cio,l_data_header,4,p_manager);
#endif
  
#if 0
  cio_write( cio, offset_jp2c, 8); /* OOFF           */
  cio_write( cio, length_jp2c, 4); /* OBH part 1     */
  cio_write( cio, JP2_JP2C, 4);    /* OBH part 2     */
#else
  opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
  opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
  opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
#endif
  
#if 0
  cio_write( cio, 1,1);           /* NI             */
#else
  opj_write_bytes( l_data_header, 1, 1);/* NI             */
  opj_stream_write_data(cio,l_data_header,1,p_manager);
#endif

#if 0
  cio_write( cio, offset_idx, 8);  /* IOFF           */
  cio_write( cio, length_idx, 4);  /* IBH part 1     */
  cio_write( cio, JPIP_CIDX, 4);   /* IBH part 2     */
#else
  opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
  opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
  opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
#endif

#if 0
  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);
#else
  len = 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);
#endif
}
Exemplo n.º 15
0
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;
    int i, j;
    int Aux;
    int num_max_tile_parts;
    int size_of_coding; /* 4 or 8 */
    opj_tp_info_t tp;
    OPJ_BYTE l_data_header [8];
    int version;

    num_max_tile_parts = 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,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 < cstr_info.tw*cstr_info.th; i++)
    {
        for (j = 0; j < cstr_info.tile[i].num_tps; j++)
        {
            tp = cstr_info.tile[i].tp[j];

            opj_write_bytes(l_data_header,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,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 = 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++;
        }
    }

    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 len;
}
Exemplo n.º 16
0
int write_tilemhix_v2( int coff, opj_codestream_info_t cstr_info, int tileno, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [8];
  int i;
  opj_tile_info_t tile;
  opj_tp_info_t tp;
  int marknum;
  int len, lenp;
  opj_marker_info_t *marker;

#if 0
  lenp = cio_tell( cio);
  cio_skip( cio, 4);                               /* L [at the end]                    */
  cio_write( cio, JPIP_MHIX, 4);                   /* MHIX                              */
#else
  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);
#endif

  tile = cstr_info.tile[tileno];
  tp = tile.tp[0];

#if 0
  cio_write( cio, tp.tp_end_header-tp.tp_start_pos+1, 8);  /* TLEN                              */ 
#else
  opj_write_bytes(l_data_header,tp.tp_end_header-tp.tp_start_pos+1, 8);        /* TLEN                              */
  opj_stream_write_data(cio,l_data_header,8,p_manager);
#endif

  marker = cstr_info.tile[tileno].marker;

  for( i=0; i<cstr_info.tile[tileno].marknum; i++){             /* Marker restricted to 1 apparition */
#if 0
    cio_write( cio, marker[i].type, 2);
    cio_write( cio, 0, 2);
    cio_write( cio, marker[i].pos-coff, 8);
    cio_write( cio, marker[i].len, 2);
#else
    opj_write_bytes( l_data_header, 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, marker[i].pos-coff, 8);
    opj_stream_write_data(cio,l_data_header,8,p_manager);
    opj_write_bytes( l_data_header, marker[i].len, 2);
    opj_stream_write_data(cio,l_data_header,2,p_manager);
#endif
  }
     
  /*  free( marker);*/

#if 0
  len = cio_tell( cio) - lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L           */
  cio_seek( cio, lenp+len);
#else
  len = 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);
#endif

  return len;
}
Exemplo n.º 17
0
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;
}