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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg 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 GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #ifndef AVCODEC_INTRAX8_H | |
20 | #define AVCODEC_INTRAX8_H | |
21 | ||
22 | #include "get_bits.h" | |
23 | #include "mpegvideo.h" | |
24 | #include "intrax8dsp.h" | |
25 | #include "wmv2dsp.h" | |
26 | ||
27 | typedef struct IntraX8Context { | |
28 | VLC * j_ac_vlc[4];//they point to the static j_mb_vlc | |
29 | VLC * j_orient_vlc; | |
30 | VLC * j_dc_vlc[3]; | |
31 | ||
32 | int use_quant_matrix; | |
33 | //set by ff_intrax8_common_init | |
34 | uint8_t * prediction_table;//2*(mb_w*2) | |
35 | ScanTable scantable[3]; | |
36 | WMV2DSPContext wdsp; | |
37 | uint8_t idct_permutation[64]; | |
38 | //set by the caller codec | |
39 | MpegEncContext * s; | |
40 | IntraX8DSPContext dsp; | |
41 | int quant; | |
42 | int dquant; | |
43 | int qsum; | |
44 | //calculated per frame | |
45 | int quant_dc_chroma; | |
46 | int divide_quant_dc_luma; | |
47 | int divide_quant_dc_chroma; | |
48 | //changed per block | |
49 | int edges; | |
50 | int flat_dc; | |
51 | int predicted_dc; | |
52 | int raw_orient; | |
53 | int chroma_orient; | |
54 | int orient; | |
55 | int est_run; | |
56 | } IntraX8Context; | |
57 | ||
58 | void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s); | |
59 | void ff_intrax8_common_end(IntraX8Context * w); | |
60 | int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq); | |
61 | ||
62 | #endif /* AVCODEC_INTRAX8_H */ |