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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#include <stddef.h>
26
27typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h);
28typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h);
29
30typedef struct {
31 void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height);
32 /**
33 * dirac_pixels_tab[width][subpel]
34 * width is 2 for 32, 1 for 16, 0 for 8
35 * subpel is 0 for fpel and hpel (only need to copy from the first plane in src)
36 * 1 if an average of the first 2 planes is needed (TODO: worth it?)
37 * 2 for general qpel (avg of 4)
38 * 3 for general epel (biweight of 4 using the weights in src[4])
39 * src[0-3] is each of the hpel planes
40 * src[4] is the 1/8 pel weights if needed
41 */
42 void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
43 void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
44
45 void (*put_signed_rect_clamped[3])(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);
46 void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);
47 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*/);
48 void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
49
50 /* 0-1: int16_t and int32_t asm/c, 2-3: int16 and int32_t, C only */
51 void (*dequant_subband[4])(uint8_t *src, uint8_t *dst, ptrdiff_t stride, const int qf, const int qs, int tot_v, int tot_h);
52
53 dirac_weight_func weight_dirac_pixels_tab[3];
54 dirac_biweight_func biweight_dirac_pixels_tab[3];
55} DiracDSPContext;
56
57#define DECL_DIRAC_PIXOP(PFX, EXT) \
58 void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
59 void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
60 void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)
61
62DECL_DIRAC_PIXOP(put, c);
63DECL_DIRAC_PIXOP(avg, c);
64DECL_DIRAC_PIXOP(put, l2_c);
65DECL_DIRAC_PIXOP(avg, l2_c);
66DECL_DIRAC_PIXOP(put, l4_c);
67DECL_DIRAC_PIXOP(avg, l4_c);
68
69void ff_diracdsp_init(DiracDSPContext *c);
70void ff_diracdsp_init_x86(DiracDSPContext* c);
71
72#endif /* AVCODEC_DIRACDSP_H */
73