blob: 2e9ec4eee442141a9fd038a8a3444169dccd7bfb
1 | /* |
2 | * RV30/40 decoder motion compensation functions |
3 | * Copyright (c) 2008 Konstantin Shishkov |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
7 | * FFmpeg is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2.1 of the License, or (at your option) any later version. |
11 | * |
12 | * FFmpeg is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Lesser General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Lesser General Public |
18 | * License along with FFmpeg; if not, write to the Free Software |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ |
21 | |
22 | /** |
23 | * @file |
24 | * RV30/40 decoder motion compensation functions |
25 | */ |
26 | |
27 | #ifndef AVCODEC_RV34DSP_H |
28 | #define AVCODEC_RV34DSP_H |
29 | |
30 | #include "h264chroma.h" |
31 | #include "qpeldsp.h" |
32 | |
33 | typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/, |
34 | uint8_t *src1/*align width (8 or 16)*/, |
35 | uint8_t *src2/*align width (8 or 16)*/, |
36 | int w1, int w2, ptrdiff_t stride); |
37 | |
38 | typedef void (*rv34_inv_transform_func)(int16_t *block); |
39 | |
40 | typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block); |
41 | typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride, |
42 | int dc); |
43 | |
44 | typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride, |
45 | int filter_p1, int filter_q1, |
46 | int alpha, int beta, |
47 | int lims, int lim_q1, int lim_p1); |
48 | |
49 | typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride, |
50 | int alpha, int lims, |
51 | int dmode, int chroma); |
52 | |
53 | typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride, |
54 | int beta, int beta2, int edge, |
55 | int *p1, int *q1); |
56 | |
57 | typedef struct RV34DSPContext { |
58 | qpel_mc_func put_pixels_tab[4][16]; |
59 | qpel_mc_func avg_pixels_tab[4][16]; |
60 | h264_chroma_mc_func put_chroma_pixels_tab[3]; |
61 | h264_chroma_mc_func avg_chroma_pixels_tab[3]; |
62 | /** |
63 | * Biweight functions, first dimension is transform size (16/8), |
64 | * second is whether the weight is prescaled by 1/512 to skip |
65 | * the intermediate shifting. |
66 | */ |
67 | rv40_weight_func rv40_weight_pixels_tab[2][2]; |
68 | rv34_inv_transform_func rv34_inv_transform; |
69 | rv34_inv_transform_func rv34_inv_transform_dc; |
70 | rv34_idct_add_func rv34_idct_add; |
71 | rv34_idct_dc_add_func rv34_idct_dc_add; |
72 | rv40_weak_loop_filter_func rv40_weak_loop_filter[2]; |
73 | rv40_strong_loop_filter_func rv40_strong_loop_filter[2]; |
74 | rv40_loop_filter_strength_func rv40_loop_filter_strength[2]; |
75 | } RV34DSPContext; |
76 | |
77 | void ff_rv30dsp_init(RV34DSPContext *c); |
78 | void ff_rv34dsp_init(RV34DSPContext *c); |
79 | void ff_rv40dsp_init(RV34DSPContext *c); |
80 | |
81 | void ff_rv34dsp_init_arm(RV34DSPContext *c); |
82 | void ff_rv34dsp_init_x86(RV34DSPContext *c); |
83 | |
84 | void ff_rv40dsp_init_aarch64(RV34DSPContext *c); |
85 | void ff_rv40dsp_init_x86(RV34DSPContext *c); |
86 | void ff_rv40dsp_init_arm(RV34DSPContext *c); |
87 | |
88 | #endif /* AVCODEC_RV34DSP_H */ |
89 |