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-rw-r--r--apps/recorder/peakmeter.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/apps/recorder/peakmeter.h b/apps/recorder/peakmeter.h
index fee4882679..6be43a5f3a 100644
--- a/apps/recorder/peakmeter.h
+++ b/apps/recorder/peakmeter.h
@@ -56,6 +56,11 @@ extern int calc_db (int isample);
extern int peak_meter_db2sample(int db);
extern unsigned short peak_meter_scale_value(unsigned short val, int meterwidth);
+#ifdef HAVE_HISTOGRAM
+extern void histogram_init(void);
+extern void histogram_draw(int x1, int x2, int y1, int y2, int width, int height);
+#endif
+
/* valid values for trigger_status */
#define TRIG_OFF 0x00
#define TRIG_READY 0x01
@@ -103,3 +108,4 @@ struct meter_scales{
extern void peak_meter_screen(struct screen *display, int x, int y, int height);
#endif /* __PEAKMETER_H__ */
+