1/*
2 * VC-1 and WMV3 decoder - DSP functions
3 * Copyright (c) 2006 Konstantin Shishkov
4 *
5 * This file is part of Libav.
6 *
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.
11 *
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.
16 *
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
20 */
21
22/**
23 * @file
24 * VC-1 and WMV3 decoder
25 *
26 */
27
28#ifndef AVCODEC_VC1DSP_H
29#define AVCODEC_VC1DSP_H
30
31#include "dsputil.h"
32
33typedef struct VC1DSPContext {
34    /* vc1 functions */
35    void (*vc1_inv_trans_8x8)(DCTELEM *b);
36    void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
37    void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
38    void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
39    void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
40    void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
41    void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
42    void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
43    void (*vc1_v_overlap)(uint8_t *src, int stride);
44    void (*vc1_h_overlap)(uint8_t *src, int stride);
45    void (*vc1_v_s_overlap)(DCTELEM *top,  DCTELEM *bottom);
46    void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right);
47    void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
48    void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
49    void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
50    void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
51    void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
52    void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
53
54    /* put 8x8 block with bicubic interpolation and quarterpel precision
55     * last argument is actually round value instead of height
56     */
57    op_pixels_func put_vc1_mspel_pixels_tab[16];
58    op_pixels_func avg_vc1_mspel_pixels_tab[16];
59
60    /* This is really one func used in VC-1 decoding */
61    h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
62    h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
63
64    /* Windows Media Image functions */
65    void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
66    void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
67    void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
68    void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
69                                                   const uint8_t *src2a, int alpha, int width);
70    void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
71                                                   const uint8_t *src2a, const uint8_t *src2b, int offset2,
72                                     int alpha, int width);
73} VC1DSPContext;
74
75void ff_vc1dsp_init(VC1DSPContext* c);
76void ff_vc1dsp_init_altivec(VC1DSPContext* c);
77void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
78
79#endif /* AVCODEC_VC1DSP_H */
80