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 "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 
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 
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 
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)
147 }
GLfloat v0
Definition: opengl_enc.c:106
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:77
void(* multiply3x3)(int16_t *data[3], ptrdiff_t stride, int w, int h, const int16_t m[3][3][8])
Definition: colorspacedsp.h:74
void ff_colorspacedsp_x86_init(ColorSpaceDSPContext *dsp)
#define init_rgb2yuv_fn(bit)
#define init_rgb2yuv_fsb_fn(bit)
#define init_yuv2yuv_fns(bit1)
uint8_t w
Definition: llviddspenc.c:38
void * buf
Definition: avisynth_c.h:766
#define init_yuv2rgb_fn(bit)
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:104
void ff_colorspacedsp_init(ColorSpaceDSPContext *dsp)
#define stride