1 /*
2  * Copyright © 2018 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef __IGT_COLOR_ENCODING_H__
25 #define __IGT_COLOR_ENCODING_H__
26 
27 #include <stdbool.h>
28 #include <stdint.h>
29 
30 #include "igt_matrix.h"
31 
32 enum igt_color_encoding {
33 	IGT_COLOR_YCBCR_BT601,
34 	IGT_COLOR_YCBCR_BT709,
35 	IGT_COLOR_YCBCR_BT2020,
36 	IGT_NUM_COLOR_ENCODINGS,
37 };
38 
39 enum igt_color_range {
40 	IGT_COLOR_YCBCR_LIMITED_RANGE,
41 	IGT_COLOR_YCBCR_FULL_RANGE,
42 	IGT_NUM_COLOR_RANGES,
43 };
44 
45 const char *igt_color_encoding_to_str(enum igt_color_encoding encoding);
46 const char *igt_color_range_to_str(enum igt_color_range range);
47 
48 struct igt_mat4 igt_ycbcr_to_rgb_matrix(uint32_t ycbcr_fourcc,
49 					uint32_t rgb_fourcc,
50 					enum igt_color_encoding color_encoding,
51 					enum igt_color_range color_range);
52 struct igt_mat4 igt_rgb_to_ycbcr_matrix(uint32_t rgb_fourcc,
53 					uint32_t ycbcr_fourcc,
54 					enum igt_color_encoding color_encoding,
55 					enum igt_color_range color_range);
56 
57 #endif /* __IGT_COLOR_ENCODING_H__ */
58