OsmoTV: Added more test patterns for TV repair

- improved FUBK
- red screen for DY adjustment
- crosses and dots for convergence adjustment
- EBU color bars
- natural color image

src/tv/bas.h

@@ -1,6 +1,9 @@
 
 enum bas_type {
 	BAS_FUBK,
+	BAS_CONVERGENCE,
+	BAS_RED,
+	BAS_EBU,
 	BAS_VCR,
 	BAS_IMAGE,
 };
@@ -13,6 +16,7 @@ typedef struct bas {
 	int		color_bar;		/* show only color bar on all lines */
 	int		grid_only;		/* show only the grid */
 	const char	*station_id;		/* text to display as station id */
+	int		grid_width;		/* width of the grid (convergence test) */
 	double		color_phase;		/* current phase of color carrier */
 	int		v_polarity;		/* polarity of V color vector */
 	unsigned short	*img;			/* image data, if it should be used */
@@ -20,6 +24,6 @@ typedef struct bas {
 	iir_filter_t	lp_y, lp_u, lp_v;	/* low pass filters */
 } bas_t;
 
-void bas_init(bas_t *bas, double samplerate, enum bas_type type, int fbas, double circle_radius, int color_bar, int grid_only, const char *station_id, unsigned short *img, int width, int height);
+void bas_init(bas_t *bas, double samplerate, enum bas_type type, int fbas, double circle_radius, int color_bar, int grid_only, const char *station_id, int grid_width, unsigned short *img, int width, int height);
 int bas_generate(bas_t *bas, sample_t *sample);