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 "colorspacedsp.h"
22
23 /*
24 * SS_W/H stands for "subsampling_w/h"
25 * it's analogous to AVPixFmtDescriptor->log2_chroma_w/h.
26 */
27 #define SS_W 0
28 #define SS_H 0
29
30 #define BIT_DEPTH 8
31 #include "colorspacedsp_template.c"
32
33 #undef BIT_DEPTH
34 #define BIT_DEPTH 10
35 #include "colorspacedsp_template.c"
36
37 #undef BIT_DEPTH
38 #define BIT_DEPTH 12
39 #include "colorspacedsp_template.c"
40
41 #undef SS_W
42 #undef SS_H
43
44 #define SS_W 1
45 #define SS_H 0
46
47 #undef BIT_DEPTH
48 #define BIT_DEPTH 8
49 #include "colorspacedsp_template.c"
50
51 #undef BIT_DEPTH
52 #define BIT_DEPTH 10
53 #include "colorspacedsp_template.c"
54
55 #undef BIT_DEPTH
56 #define BIT_DEPTH 12
57 #include "colorspacedsp_template.c"
58
59 #undef SS_W
60 #undef SS_H
61
62 #define SS_W 1
63 #define SS_H 1
64
65 #undef BIT_DEPTH
66 #define BIT_DEPTH 8
67 #include "colorspacedsp_template.c"
68
69 #undef BIT_DEPTH
70 #define BIT_DEPTH 10
71 #include "colorspacedsp_template.c"
72
73 #undef BIT_DEPTH
74 #define BIT_DEPTH 12
75 #include "colorspacedsp_template.c"
76
multiply3x3_c(int16_t * buf[3],ptrdiff_t stride,int w,int h,const int16_t m[3][3][8])77 static void multiply3x3_c(int16_t *buf[3], ptrdiff_t stride,
78 int w, int h, const int16_t m[3][3][8])
79 {
80 int y, x;
81 int16_t *buf0 = buf[0], *buf1 = buf[1], *buf2 = buf[2];
82
83 for (y = 0; y < h; y++) {
84 for (x = 0; x < w; x++) {
85 int v0 = buf0[x], v1 = buf1[x], v2 = buf2[x];
86
87 buf0[x] = av_clip_int16((m[0][0][0] * v0 + m[0][1][0] * v1 +
88 m[0][2][0] * v2 + 8192) >> 14);
89 buf1[x] = av_clip_int16((m[1][0][0] * v0 + m[1][1][0] * v1 +
90 m[1][2][0] * v2 + 8192) >> 14);
91 buf2[x] = av_clip_int16((m[2][0][0] * v0 + m[2][1][0] * v1 +
92 m[2][2][0] * v2 + 8192) >> 14);
93 }
94
95 buf0 += stride;
96 buf1 += stride;
97 buf2 += stride;
98 }
99 }
100
ff_colorspacedsp_init(ColorSpaceDSPContext * dsp)101 void ff_colorspacedsp_init(ColorSpaceDSPContext *dsp)
102 {
103 #define init_yuv2rgb_fn(bit) \
104 dsp->yuv2rgb[BPP_##bit][SS_444] = yuv2rgb_444p##bit##_c; \
105 dsp->yuv2rgb[BPP_##bit][SS_422] = yuv2rgb_422p##bit##_c; \
106 dsp->yuv2rgb[BPP_##bit][SS_420] = yuv2rgb_420p##bit##_c
107
108 init_yuv2rgb_fn( 8);
109 init_yuv2rgb_fn(10);
110 init_yuv2rgb_fn(12);
111
112 #define init_rgb2yuv_fn(bit) \
113 dsp->rgb2yuv[BPP_##bit][SS_444] = rgb2yuv_444p##bit##_c; \
114 dsp->rgb2yuv[BPP_##bit][SS_422] = rgb2yuv_422p##bit##_c; \
115 dsp->rgb2yuv[BPP_##bit][SS_420] = rgb2yuv_420p##bit##_c
116
117 init_rgb2yuv_fn( 8);
118 init_rgb2yuv_fn(10);
119 init_rgb2yuv_fn(12);
120
121 #define init_rgb2yuv_fsb_fn(bit) \
122 dsp->rgb2yuv_fsb[BPP_##bit][SS_444] = rgb2yuv_fsb_444p##bit##_c; \
123 dsp->rgb2yuv_fsb[BPP_##bit][SS_422] = rgb2yuv_fsb_422p##bit##_c; \
124 dsp->rgb2yuv_fsb[BPP_##bit][SS_420] = rgb2yuv_fsb_420p##bit##_c
125
126 init_rgb2yuv_fsb_fn( 8);
127 init_rgb2yuv_fsb_fn(10);
128 init_rgb2yuv_fsb_fn(12);
129
130 #define init_yuv2yuv_fn(idx1, bit1, bit2) \
131 dsp->yuv2yuv[idx1][BPP_##bit2][SS_444] = yuv2yuv_444p##bit1##to##bit2##_c; \
132 dsp->yuv2yuv[idx1][BPP_##bit2][SS_422] = yuv2yuv_422p##bit1##to##bit2##_c; \
133 dsp->yuv2yuv[idx1][BPP_##bit2][SS_420] = yuv2yuv_420p##bit1##to##bit2##_c
134 #define init_yuv2yuv_fns(bit1) \
135 init_yuv2yuv_fn(BPP_##bit1, bit1, 8); \
136 init_yuv2yuv_fn(BPP_##bit1, bit1, 10); \
137 init_yuv2yuv_fn(BPP_##bit1, bit1, 12)
138
139 init_yuv2yuv_fns( 8);
140 init_yuv2yuv_fns(10);
141 init_yuv2yuv_fns(12);
142
143 dsp->multiply3x3 = multiply3x3_c;
144
145 if (ARCH_X86)
146 ff_colorspacedsp_x86_init(dsp);
147 }
148