wmv2: move IDCT to its own DSP context.
[libav.git] / libavcodec / wmv2.h
1 /*
2 * Copyright (c) 2002 The Libav Project
3 *
4 * This file is part of Libav.
5 *
6 * Libav 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 * Libav 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 Libav; 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 #include "wmv2dsp.h"
29
30 #define SKIP_TYPE_NONE 0
31 #define SKIP_TYPE_MPEG 1
32 #define SKIP_TYPE_ROW 2
33 #define SKIP_TYPE_COL 3
34
35
36 typedef struct Wmv2Context{
37 MpegEncContext s;
38 IntraX8Context x8;
39 WMV2DSPContext wdsp;
40 int j_type_bit;
41 int j_type;
42 int abt_flag;
43 int abt_type;
44 int abt_type_table[6];
45 int per_mb_abt;
46 int per_block_abt;
47 int mspel_bit;
48 int cbp_table_index;
49 int top_left_mv_flag;
50 int per_mb_rl_bit;
51 int skip_type;
52 int hshift;
53
54 ScanTable abt_scantable[2];
55 DECLARE_ALIGNED(16, DCTELEM, abt_block2)[6][64];
56 }Wmv2Context;
57
58 void ff_wmv2_common_init(Wmv2Context * w);
59
60 #endif /* AVCODEC_WMV2_H */