FFmpeg
colorspacedsp.c
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1 /*
2  * Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
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 #include "libavutil/common.h"
22 #include "colorspacedsp.h"
23 
24 /*
25  * SS_W/H stands for "subsampling_w/h"
26  * it's analogous to AVPixFmtDescriptor->log2_chroma_w/h.
27  */
28 #define SS_W 0
29 #define SS_H 0
30 
31 #define BIT_DEPTH 8
32 #include "colorspacedsp_template.c"
33 
34 #undef BIT_DEPTH
35 #define BIT_DEPTH 10
36 #include "colorspacedsp_template.c"
37 
38 #undef BIT_DEPTH
39 #define BIT_DEPTH 12
40 #include "colorspacedsp_template.c"
41 
42 #undef SS_W
43 #undef SS_H
44 
45 #define SS_W 1
46 #define SS_H 0
47 
48 #undef BIT_DEPTH
49 #define BIT_DEPTH 8
50 #include "colorspacedsp_template.c"
51 
52 #undef BIT_DEPTH
53 #define BIT_DEPTH 10
54 #include "colorspacedsp_template.c"
55 
56 #undef BIT_DEPTH
57 #define BIT_DEPTH 12
58 #include "colorspacedsp_template.c"
59 
60 #undef SS_W
61 #undef SS_H
62 
63 #define SS_W 1
64 #define SS_H 1
65 
66 #undef BIT_DEPTH
67 #define BIT_DEPTH 8
68 #include "colorspacedsp_template.c"
69 
70 #undef BIT_DEPTH
71 #define BIT_DEPTH 10
72 #include "colorspacedsp_template.c"
73 
74 #undef BIT_DEPTH
75 #define BIT_DEPTH 12
76 #include "colorspacedsp_template.c"
77 
78 static void multiply3x3_c(int16_t *buf[3], ptrdiff_t stride,
79  int w, int h, const int16_t m[3][3][8])
80 {
81  int y, x;
82  int16_t *buf0 = buf[0], *buf1 = buf[1], *buf2 = buf[2];
83 
84  for (y = 0; y < h; y++) {
85  for (x = 0; x < w; x++) {
86  int v0 = buf0[x], v1 = buf1[x], v2 = buf2[x];
87 
88  buf0[x] = av_clip_int16((m[0][0][0] * v0 + m[0][1][0] * v1 +
89  m[0][2][0] * v2 + 8192) >> 14);
90  buf1[x] = av_clip_int16((m[1][0][0] * v0 + m[1][1][0] * v1 +
91  m[1][2][0] * v2 + 8192) >> 14);
92  buf2[x] = av_clip_int16((m[2][0][0] * v0 + m[2][1][0] * v1 +
93  m[2][2][0] * v2 + 8192) >> 14);
94  }
95 
96  buf0 += stride;
97  buf1 += stride;
98  buf2 += stride;
99  }
100 }
101 
103 {
104 #define init_yuv2rgb_fn(bit) \
105  dsp->yuv2rgb[BPP_##bit][SS_444] = yuv2rgb_444p##bit##_c; \
106  dsp->yuv2rgb[BPP_##bit][SS_422] = yuv2rgb_422p##bit##_c; \
107  dsp->yuv2rgb[BPP_##bit][SS_420] = yuv2rgb_420p##bit##_c
108 
109  init_yuv2rgb_fn( 8);
110  init_yuv2rgb_fn(10);
111  init_yuv2rgb_fn(12);
112 
113 #define init_rgb2yuv_fn(bit) \
114  dsp->rgb2yuv[BPP_##bit][SS_444] = rgb2yuv_444p##bit##_c; \
115  dsp->rgb2yuv[BPP_##bit][SS_422] = rgb2yuv_422p##bit##_c; \
116  dsp->rgb2yuv[BPP_##bit][SS_420] = rgb2yuv_420p##bit##_c
117 
118  init_rgb2yuv_fn( 8);
119  init_rgb2yuv_fn(10);
120  init_rgb2yuv_fn(12);
121 
122 #define init_rgb2yuv_fsb_fn(bit) \
123  dsp->rgb2yuv_fsb[BPP_##bit][SS_444] = rgb2yuv_fsb_444p##bit##_c; \
124  dsp->rgb2yuv_fsb[BPP_##bit][SS_422] = rgb2yuv_fsb_422p##bit##_c; \
125  dsp->rgb2yuv_fsb[BPP_##bit][SS_420] = rgb2yuv_fsb_420p##bit##_c
126 
130 
131 #define init_yuv2yuv_fn(idx1, bit1, bit2) \
132  dsp->yuv2yuv[idx1][BPP_##bit2][SS_444] = yuv2yuv_444p##bit1##to##bit2##_c; \
133  dsp->yuv2yuv[idx1][BPP_##bit2][SS_422] = yuv2yuv_422p##bit1##to##bit2##_c; \
134  dsp->yuv2yuv[idx1][BPP_##bit2][SS_420] = yuv2yuv_420p##bit1##to##bit2##_c
135 #define init_yuv2yuv_fns(bit1) \
136  init_yuv2yuv_fn(BPP_##bit1, bit1, 8); \
137  init_yuv2yuv_fn(BPP_##bit1, bit1, 10); \
138  init_yuv2yuv_fn(BPP_##bit1, bit1, 12)
139 
140  init_yuv2yuv_fns( 8);
141  init_yuv2yuv_fns(10);
142  init_yuv2yuv_fns(12);
143 
144  dsp->multiply3x3 = multiply3x3_c;
145 
146  if (ARCH_X86)
148 }
w
uint8_t w
Definition: llviddspenc.c:38
multiply3x3_c
static void multiply3x3_c(int16_t *buf[3], ptrdiff_t stride, int w, int h, const int16_t m[3][3][8])
Definition: colorspacedsp.c:78
v0
#define v0
Definition: regdef.h:26
ff_colorspacedsp_x86_init
void ff_colorspacedsp_x86_init(ColorSpaceDSPContext *dsp)
Definition: colorspacedsp_init.c:79
ColorSpaceDSPContext
Definition: colorspacedsp.h:59
init_rgb2yuv_fn
#define init_rgb2yuv_fn(bit)
av_clip_int16
#define av_clip_int16
Definition: common.h:110
init_rgb2yuv_fsb_fn
#define init_rgb2yuv_fsb_fn(bit)
ColorSpaceDSPContext::multiply3x3
void(* multiply3x3)(int16_t *data[3], ptrdiff_t stride, int w, int h, const int16_t m[3][3][8])
Definition: colorspacedsp.h:74
init_yuv2yuv_fns
#define init_yuv2yuv_fns(bit1)
common.h
init_yuv2rgb_fn
#define init_yuv2rgb_fn(bit)
stride
#define stride
Definition: h264pred_template.c:537
colorspacedsp_template.c
colorspacedsp.h
h
h
Definition: vp9dsp_template.c:2038
ff_colorspacedsp_init
void ff_colorspacedsp_init(ColorSpaceDSPContext *dsp)
Definition: colorspacedsp.c:102