Commit | Line | Data |
---|---|---|
2ba45a60 DM |
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: width>>3, height is assumed equal to 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[width>>3][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 | ||
102 | #define IS_VP7 1 | |
103 | #define IS_VP8 0 | |
104 | ||
105 | #endif /* AVCODEC_VP8DSP_H */ |