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authorCarl Hetherington <cth@carlh.net>2012-07-15 00:14:28 +0100
committerCarl Hetherington <cth@carlh.net>2012-07-15 00:14:28 +0100
commitbb767c7e338414beee132af3e96829c1448e214b (patch)
treebec2858dcc7225a9bcc2acd8170c25508f6df6cb /src/lib/lut.h
parent66c9be6bdb1361e5681e094a0c8170d268aa9518 (diff)
Move things round a bit.
Diffstat (limited to 'src/lib/lut.h')
-rw-r--r--src/lib/lut.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib/lut.h b/src/lib/lut.h
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+++ b/src/lib/lut.h
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+/*
+ 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];