FFmpeg
4.3
libavfilter
opencl
colorkey.c
Go to the documentation of this file.
1
// Generated from libavfilter/opencl/colorkey.cl
2
const
char
*
ff_opencl_source_colorkey
=
3
"#line 1 \"libavfilter/opencl/colorkey.cl\"\n"
4
"/*\n"
5
" * This file is part of FFmpeg.\n"
6
" *\n"
7
" * FFmpeg is free software; you can redistribute it and/or\n"
8
" * modify it under the terms of the GNU Lesser General Public\n"
9
" * License as published by the Free Software Foundation; either\n"
10
" * version 2.1 of the License, or (at your option) any later version.\n"
11
" *\n"
12
" * FFmpeg is distributed in the hope that it will be useful,\n"
13
" * but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
14
" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
15
" * Lesser General Public License for more details.\n"
16
" *\n"
17
" * You should have received a copy of the GNU Lesser General Public\n"
18
" * License along with FFmpeg; if not, write to the Free Software\n"
19
" * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
20
" */\n"
21
"\n"
22
"const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE |\n"
23
" CLK_FILTER_NEAREST;\n"
24
"\n"
25
"__kernel void colorkey_blend(\n"
26
" __read_only image2d_t src,\n"
27
" __write_only image2d_t dst,\n"
28
" float4 colorkey_rgba,\n"
29
" float similarity,\n"
30
" float blend\n"
31
") {\n"
32
" int2 loc = (int2)(get_global_id(0), get_global_id(1));\n"
33
" float4 pixel = read_imagef(src, sampler, loc);\n"
34
" float diff = distance(pixel.xyz, colorkey_rgba.xyz);\n"
35
"\n"
36
" pixel.s3 = clamp((diff - similarity) / blend, 0.0f, 1.0f);\n"
37
" write_imagef(dst, loc, pixel);\n"
38
"}\n"
39
"\n"
40
"__kernel void colorkey(\n"
41
" __read_only image2d_t src,\n"
42
" __write_only image2d_t dst,\n"
43
" float4 colorkey_rgba,\n"
44
" float similarity\n"
45
") {\n"
46
" int2 loc = (int2)(get_global_id(0), get_global_id(1));\n"
47
" float4 pixel = read_imagef(src, sampler, loc);\n"
48
" float diff = distance(pixel.xyz, colorkey_rgba.xyz);\n"
49
"\n"
50
" pixel.s3 = (diff > similarity) ? 1.0f : 0.0f;\n"
51
" write_imagef(dst, loc, pixel);\n"
52
"}\n"
53
;
ff_opencl_source_colorkey
const char * ff_opencl_source_colorkey
Definition:
colorkey.c:2
Generated on Tue Jun 16 2020 16:50:00 for FFmpeg by
1.8.17