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1 | /* |
2 | * Copyright (C) 2010 David Conrad | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef AVCODEC_DIRACDSP_H | |
22 | #define AVCODEC_DIRACDSP_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h); | |
27 | typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h); | |
28 | ||
29 | typedef struct { | |
30 | void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height); | |
31 | /** | |
32 | * dirac_pixels_tab[width][subpel] | |
33 | * width is 2 for 32, 1 for 16, 0 for 8 | |
34 | * subpel is 0 for fpel and hpel (only need to copy from the first plane in src) | |
35 | * 1 if an average of the first 2 planes is needed (TODO: worth it?) | |
36 | * 2 for general qpel (avg of 4) | |
37 | * 3 for general epel (biweight of 4 using the weights in src[4]) | |
38 | * src[0-3] is each of the hpel planes | |
39 | * src[4] is the 1/8 pel weights if needed | |
40 | */ | |
41 | void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); | |
42 | void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); | |
43 | ||
44 | void (*put_signed_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); | |
45 | void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); | |
46 | void (*add_rect_clamped)(uint8_t *dst/*align 16*/, const uint16_t *src/*align 16*/, int stride, const int16_t *idwt/*align 16*/, int idwt_stride, int width, int height/*mod 2*/); | |
47 | void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen); | |
48 | ||
49 | dirac_weight_func weight_dirac_pixels_tab[3]; | |
50 | dirac_biweight_func biweight_dirac_pixels_tab[3]; | |
51 | } DiracDSPContext; | |
52 | ||
53 | #define DECL_DIRAC_PIXOP(PFX, EXT) \ | |
54 | void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ | |
55 | void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ | |
56 | void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h) | |
57 | ||
58 | DECL_DIRAC_PIXOP(put, c); | |
59 | DECL_DIRAC_PIXOP(avg, c); | |
60 | DECL_DIRAC_PIXOP(put, l2_c); | |
61 | DECL_DIRAC_PIXOP(avg, l2_c); | |
62 | DECL_DIRAC_PIXOP(put, l4_c); | |
63 | DECL_DIRAC_PIXOP(avg, l4_c); | |
64 | ||
65 | void ff_diracdsp_init(DiracDSPContext *c); | |
66 | ||
67 | #endif /* AVCODEC_DIRACDSP_H */ |