+/* hb_detect_comb()
+ Analyze a frame for interlacing artifacts, returns true if they're found.
+ Taken from Thomas Oestreich's 32detect filter in the Transcode project. */
+int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, int color_diff, int threshold, int prog_equal, int prog_diff, int prog_threshold );
+