2 * RV30/40 decoder motion compensation functions
3 * Copyright (c) 2008 Konstantin Shishkov
5 * This file is part of Libav.
7 * Libav 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.
12 * Libav 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.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * RV30/40 decoder motion compensation functions
27 #ifndef AVCODEC_RV34DSP_H
28 #define AVCODEC_RV34DSP_H
32 typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/,
33 uint8_t *src1/*align width (8 or 16)*/,
34 uint8_t *src2/*align width (8 or 16)*/,
35 int w1, int w2, ptrdiff_t stride);
37 typedef void (*rv34_inv_transform_func)(DCTELEM *block);
39 typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, DCTELEM *block);
40 typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride,
43 typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
44 int filter_p1, int filter_q1,
46 int lims, int lim_q1, int lim_p1);
48 typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
50 int dmode, int chroma);
52 typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride,
53 int beta, int beta2, int edge,
56 typedef struct RV34DSPContext {
57 qpel_mc_func put_pixels_tab[4][16];
58 qpel_mc_func avg_pixels_tab[4][16];
59 h264_chroma_mc_func put_chroma_pixels_tab[3];
60 h264_chroma_mc_func avg_chroma_pixels_tab[3];
62 * Biweight functions, first dimension is transform size (16/8),
63 * second is whether the weight is prescaled by 1/512 to skip
64 * the intermediate shifting.
66 rv40_weight_func rv40_weight_pixels_tab[2][2];
67 rv34_inv_transform_func rv34_inv_transform;
68 rv34_inv_transform_func rv34_inv_transform_dc;
69 rv34_idct_add_func rv34_idct_add;
70 rv34_idct_dc_add_func rv34_idct_dc_add;
71 rv40_weak_loop_filter_func rv40_weak_loop_filter[2];
72 rv40_strong_loop_filter_func rv40_strong_loop_filter[2];
73 rv40_loop_filter_strength_func rv40_loop_filter_strength[2];
76 void ff_rv30dsp_init(RV34DSPContext *c, DSPContext* dsp);
77 void ff_rv34dsp_init(RV34DSPContext *c, DSPContext* dsp);
78 void ff_rv40dsp_init(RV34DSPContext *c, DSPContext* dsp);
80 void ff_rv34dsp_init_arm(RV34DSPContext *c, DSPContext *dsp);
81 void ff_rv34dsp_init_x86(RV34DSPContext *c, DSPContext *dsp);
83 void ff_rv40dsp_init_x86(RV34DSPContext *c, DSPContext *dsp);
84 void ff_rv40dsp_init_arm(RV34DSPContext *c, DSPContext *dsp);
86 #endif /* AVCODEC_RV34DSP_H */