jpeg_c_prep_controller

type jpeg_c_prep_controller = record

  start_pass: procedure(

  cinfo: j_compress_ptr;

  pass_mode: J_BUF_MODE

);

  pre_process_data: procedure(

  cinfo: j_compress_ptr;

  input_buf: JSAMPARRAY;

  var in_row_ctr: JDIMENSION;

  in_rows_avail: JDIMENSION;

  output_buf: JSAMPIMAGE;

  var out_row_group_ctr: JDIMENSION;

  out_row_groups_avail: JDIMENSION

);

end;