blob: eaae4aed6d9abb5cab9c8adf6bff4a9a0352a25e
1 | /* |
2 | * Copyright (C) 2010 David Conrad |
3 | * Copyright (C) 2010 Ronald S. Bultje |
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 | * VP8 compatible video decoder |
25 | */ |
26 | |
27 | #ifndef AVCODEC_VP8DSP_H |
28 | #define AVCODEC_VP8DSP_H |
29 | |
30 | #include <stddef.h> |
31 | #include <stdint.h> |
32 | |
33 | typedef void (*vp8_mc_func)(uint8_t *dst /* align 8 */, ptrdiff_t dstStride, |
34 | uint8_t *src /* align 1 */, ptrdiff_t srcStride, |
35 | int h, int x, int y); |
36 | |
37 | typedef struct VP8DSPContext { |
38 | void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]); |
39 | void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]); |
40 | void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); |
41 | void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); |
42 | void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16], |
43 | ptrdiff_t stride); |
44 | void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16], |
45 | ptrdiff_t stride); |
46 | |
47 | // loop filter applied to edges between macroblocks |
48 | void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, |
49 | int flim_E, int flim_I, int hev_thresh); |
50 | void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, |
51 | int flim_E, int flim_I, int hev_thresh); |
52 | void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, |
53 | int flim_E, int flim_I, int hev_thresh); |
54 | void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, |
55 | int flim_E, int flim_I, int hev_thresh); |
56 | |
57 | // loop filter applied to inner macroblock edges |
58 | void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, |
59 | int flim_E, int flim_I, int hev_thresh); |
60 | void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, |
61 | int flim_E, int flim_I, int hev_thresh); |
62 | void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, |
63 | ptrdiff_t stride, |
64 | int flim_E, int flim_I, int hev_thresh); |
65 | void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, |
66 | ptrdiff_t stride, |
67 | int flim_E, int flim_I, int hev_thresh); |
68 | |
69 | void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); |
70 | void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); |
71 | |
72 | /** |
73 | * first dimension: 4-log2(width) |
74 | * second dimension: 0 if no vertical interpolation is needed; |
75 | * 1 4-tap vertical interpolation filter (my & 1) |
76 | * 2 6-tap vertical interpolation filter (!(my & 1)) |
77 | * third dimension: same as second dimension, for horizontal interpolation |
78 | * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) |
79 | */ |
80 | vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; |
81 | vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; |
82 | } VP8DSPContext; |
83 | |
84 | void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, |
85 | int h, int x, int y); |
86 | void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, |
87 | int h, int x, int y); |
88 | void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, |
89 | int h, int x, int y); |
90 | |
91 | void ff_vp7dsp_init(VP8DSPContext *c); |
92 | |
93 | void ff_vp78dsp_init(VP8DSPContext *c); |
94 | void ff_vp78dsp_init_arm(VP8DSPContext *c); |
95 | void ff_vp78dsp_init_ppc(VP8DSPContext *c); |
96 | void ff_vp78dsp_init_x86(VP8DSPContext *c); |
97 | |
98 | void ff_vp8dsp_init(VP8DSPContext *c); |
99 | void ff_vp8dsp_init_arm(VP8DSPContext *c); |
100 | void ff_vp8dsp_init_x86(VP8DSPContext *c); |
101 | void ff_vp8dsp_init_mips(VP8DSPContext *c); |
102 | |
103 | #define IS_VP7 1 |
104 | #define IS_VP8 0 |
105 | |
106 | #endif /* AVCODEC_VP8DSP_H */ |
107 |