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diracdsp.h
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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 
27 typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h);
28 typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h);
29 
30 typedef 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];
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 
62 DECL_DIRAC_PIXOP(put, c);
64 DECL_DIRAC_PIXOP(put, l2_c);
65 DECL_DIRAC_PIXOP(avg, l2_c);
66 DECL_DIRAC_PIXOP(put, l4_c);
67 DECL_DIRAC_PIXOP(avg, l4_c);
68 
71 
72 #endif /* AVCODEC_DIRACDSP_H */
void ff_diracdsp_init_x86(DiracDSPContext *c)
void ff_diracdsp_init(DiracDSPContext *c)
Definition: diracdsp.c:219
#define src
Definition: vp8dsp.c:254
static int16_t block[64]
Definition: dct.c:113
uint8_t
#define height
#define width
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
void(* dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h)
Definition: diracdsp.h:27
static int weight(int i, int blen, int offset)
Definition: diracdec.c:1507
static void dirac_hpel_filter(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height)
Definition: diracdsp.c:30
#define avg(a, b, c, d)
void(* dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h)
Definition: diracdsp.h:28
static AVCodec * c
#define stride
#define DECL_DIRAC_PIXOP(PFX, EXT)
Definition: diracdsp.h:57