FFmpeg  4.0
utvideodsp.c
Go to the documentation of this file.
1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <stdint.h>
20 
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "utvideodsp.h"
24 
25 static void restore_rgb_planes_c(uint8_t *src_r,
26  uint8_t *src_g,
27  uint8_t *src_b,
28  ptrdiff_t linesize_r,
29  ptrdiff_t linesize_g,
30  ptrdiff_t linesize_b,
31  int width, int height)
32 {
33  uint8_t r, g, b;
34  int i, j;
35 
36  for (j = 0; j < height; j++) {
37  for (i = 0; i < width; i++) {
38  r = src_r[i];
39  g = src_g[i];
40  b = src_b[i];
41  src_r[i] = r + g - 0x80;
42  src_b[i] = b + g - 0x80;
43  }
44  src_r += linesize_r;
45  src_g += linesize_g;
46  src_b += linesize_b;
47  }
48 }
49 
50 static void restore_rgb_planes10_c(uint16_t *src_r,
51  uint16_t *src_g,
52  uint16_t *src_b,
53  ptrdiff_t linesize_r,
54  ptrdiff_t linesize_g,
55  ptrdiff_t linesize_b,
56  int width, int height)
57 {
58  int r, g, b;
59  int i, j;
60 
61  for (j = 0; j < height; j++) {
62  for (i = 0; i < width; i++) {
63  r = src_r[i];
64  g = src_g[i];
65  b = src_b[i];
66  src_r[i] = (r + g - 0x200) & 0x3FF;
67  src_b[i] = (b + g - 0x200) & 0x3FF;
68  }
69  src_r += linesize_r;
70  src_g += linesize_g;
71  src_b += linesize_b;
72  }
73 }
74 
76 {
79 
80  if (ARCH_X86)
82 }
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
void(* restore_rgb_planes10)(uint16_t *src_r, uint16_t *src_g, uint16_t *src_b, ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b, int width, int height)
Definition: utvideodsp.h:31
Macro definitions for various function/variable attributes.
static void restore_rgb_planes_c(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b, ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b, int width, int height)
Definition: utvideodsp.c:25
av_cold void ff_utvideodsp_init(UTVideoDSPContext *c)
Definition: utvideodsp.c:75
uint8_t
#define av_cold
Definition: attributes.h:82
static void restore_rgb_planes10_c(uint16_t *src_r, uint16_t *src_g, uint16_t *src_b, ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b, int width, int height)
Definition: utvideodsp.c:50
#define height
#define ARCH_X86
Definition: config.h:38
void ff_utvideodsp_init_x86(UTVideoDSPContext *c)
const char * r
Definition: vf_curves.c:111
uint16_t width
Definition: gdv.c:47
void(* restore_rgb_planes)(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b, ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b, int width, int height)
Definition: utvideodsp.h:28
static double c[64]