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/libavcodec/rv34dsp.h

http://github.com/FFmpeg/FFmpeg
C Header | 88 lines | 45 code | 14 blank | 29 comment | 0 complexity | 84380cb58c65ac160eafa21d3a90fd69 MD5 | raw file
 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
33typedef 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
38typedef void (*rv34_inv_transform_func)(int16_t *block);
39
40typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block);
41typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride,
42                                      int   dc);
43
44typedef 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
49typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
50                                             int alpha, int lims,
51                                             int dmode, int chroma);
52
53typedef 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
57typedef 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
77void ff_rv30dsp_init(RV34DSPContext *c);
78void ff_rv34dsp_init(RV34DSPContext *c);
79void ff_rv40dsp_init(RV34DSPContext *c);
80
81void ff_rv34dsp_init_arm(RV34DSPContext *c);
82void ff_rv34dsp_init_x86(RV34DSPContext *c);
83
84void ff_rv40dsp_init_aarch64(RV34DSPContext *c);
85void ff_rv40dsp_init_x86(RV34DSPContext *c);
86void ff_rv40dsp_init_arm(RV34DSPContext *c);
87
88#endif /* AVCODEC_RV34DSP_H */