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-rw-r--r--libavfilter/colorspace.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavfilter/colorspace.h b/libavfilter/colorspace.h
index 9d45ee2366..75705ecfc7 100644
--- a/libavfilter/colorspace.h
+++ b/libavfilter/colorspace.h
@@ -21,6 +21,9 @@
#define AVFILTER_COLORSPACE_H
#include "libavutil/common.h"
+#include "libavutil/frame.h"
+
+#define REFERENCE_WHITE 100.0f
struct LumaCoefficients {
double cr, cg, cb;
@@ -40,4 +43,7 @@ void ff_matrix_mul_3x3(double dst[3][3],
void ff_fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
const struct WhitepointCoefficients *wp,
double rgb2xyz[3][3]);
+
+double ff_determine_signal_peak(AVFrame *in);
+
#endif