FFmpeg
rv34dsp.h
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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 
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];
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];
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 */
rv40_weight_func rv40_weight_pixels_tab[2][2]
Biweight functions, first dimension is transform size (16/8), second is whether the weight is prescal...
Definition: rv34dsp.h:67
quarterpel DSP functions
Definition: rv34dsp.h:57