1 files changed, 41 insertions, 0 deletions
diff --git a/libavfilter/colorspace.h b/libavfilter/colorspace.h
new file mode 100644
index 0000000000..d330917bd3
--- /dev/null
+++ b/libavfilter/colorspace.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFILTER_COLORSPACE_H
+#define AVFILTER_COLORSPACE_H
+
+#include "libavutil/common.h"
+
+struct LumaCoefficients {
+    double cr, cg, cb;
+};
+
+struct PrimaryCoefficients {
+    double xr, yr, xg, yg, xb, yb;
+};
+
+struct WhitepointCoefficients {
+    double xw, yw;
+};
+
+void invert_matrix3x3(const double in[3][3], double out[3][3]);
+void mul3x3(double dst[3][3], const double src1[3][3], const double src2[3][3]);
+void fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
+                        const struct WhitepointCoefficients *wp, double rgb2xyz[3][3]);
+#endif