gemrb/plugins/ACMReader/decoder.h

   1 /* GemRB - Infinity Engine Emulator
   2  * Copyright (C) 2003 The GemRB Project
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  *
  19  */
  20
  21 #ifndef _ACM_LAB_SUBBAND_DECODER_H
  22 #define _ACM_LAB_SUBBAND_DECODER_H
  23
  24 #include <cstdlib>
  25
  26 class CSubbandDecoder {
  27 private:
  28         int levels, block_size;
  29         int* memory_buffer;
  30         void sub_4d3fcc(short* memory, int* buffer, int sb_size, int blocks);
  31         void sub_4d420c(int* memory, int* buffer, int sb_size, int blocks);
  32 public:
  33         CSubbandDecoder(int lev_cnt)
  34                 : levels( lev_cnt ), block_size( 1 << lev_cnt ), memory_buffer( NULL )
  35         {
  36         }
  37         virtual ~CSubbandDecoder()
  38         {
  39                 if (memory_buffer) {
  40                         free( memory_buffer );
  41                 }
  42         }
  43
  44         int init_decoder();
  45         void decode_data(int* buffer, int blocks);
  46 };
  47
  48 #endif