blob: 26888a24aed6b44b37f57afda54bb63515634658 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
Taken from OpenDCP: Builds Digital Cinema Packages
Copyright (c) 2010-2011 Terrence Meiczinger, All Rights Reserved
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/lut.h
* @brief Look-up tables for colour conversions (from OpenDCP)
*/
#define BIT_DEPTH 12
#define BIT_PRECISION 16
#define COLOR_DEPTH (4095)
#define DCI_LUT_SIZE ((COLOR_DEPTH + 1) * BIT_PRECISION)
#define DCI_GAMMA (2.6)
#define DCI_DEGAMMA (1/DCI_GAMMA)
#define DCI_COEFFICENT (48.0/52.37)
enum COLOR_PROFILE_ENUM {
CP_SRGB = 0,
CP_REC709,
CP_DC28,
CP_MAX
};
enum LUT_IN_ENUM {
LI_SRGB = 0,
LI_REC709,
LI_MAX
};
enum LUT_OUT_ENUM {
LO_DCI = 0,
LO_MAX
};
extern float color_matrix[3][3][3];
extern float lut_in[LI_MAX][4095+1];
extern int lut_out[1][DCI_LUT_SIZE];
|
