libavcodec/wmv2.h

   1 /*
   2  * Copyright (c) 2002 The FFmpeg Project
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVCODEC_WMV2_H
  22 #define AVCODEC_WMV2_H
  23
  24 #include "avcodec.h"
  25 #include "dsputil.h"
  26 #include "mpegvideo.h"
  27 #include "intrax8.h"
  28
  29 #define SKIP_TYPE_NONE 0
  30 #define SKIP_TYPE_MPEG 1
  31 #define SKIP_TYPE_ROW  2
  32 #define SKIP_TYPE_COL  3
  33
  34
  35 typedef struct Wmv2Context{
  36     MpegEncContext s;
  37     IntraX8Context x8;
  38     int j_type_bit;
  39     int j_type;
  40     int abt_flag;
  41     int abt_type;
  42     int abt_type_table[6];
  43     int per_mb_abt;
  44     int per_block_abt;
  45     int mspel_bit;
  46     int cbp_table_index;
  47     int top_left_mv_flag;
  48     int per_mb_rl_bit;
  49     int skip_type;
  50     int hshift;
  51
  52     ScanTable abt_scantable[2];
  53     DECLARE_ALIGNED_16(DCTELEM, abt_block2[6][64]);
  54 }Wmv2Context;
  55
  56 void ff_wmv2_common_init(Wmv2Context * w);
  57
  58 #endif /* AVCODEC_WMV2_H */