Index: libs/libmythtv/yuv2rgb.cpp
===================================================================
--- libs/libmythtv/yuv2rgb.cpp	(revision 12793)
+++ libs/libmythtv/yuv2rgb.cpp	(working copy)
@@ -389,6 +389,12 @@
 #define C_GU (13954 >> (16 - SCALE_BITS))
 #define C_GV (34903 >> (16 - SCALE_BITS))
 
+#if defined(__FreeBSD__)
+// HACK: this is actually only needed on AMD64 at the moment, but is doesn't hurt the other architectures.
+#undef UCHAR_MAX
+#define UCHAR_MAX (int)__UCHAR_MAX
+#endif
+
 #define RGBOUT(r, g, b, y1)\
 {\
     y = (y1 - 16) * C_Y;\