updated

README.md

@@ -3,8 +3,8 @@
 .asoundrc (Должно быть в ~/)  
 Нужно поменять rockchipes8316c, на вашу карту (aplay -L)  
 
-modprobe snd-aloop  
+~ # modprobe snd-aloop  
 
-cc spark_ncurses.c -lm -lncurses -s -ospark
-chmod +x audio_vis.sh  
-./audio_vis.sh  
+~ $ cc spark_ncurses.c -lm -lncurses -s -ospark
+~ $ chmod +x audio_vis.sh  
+~ $ ./audio_vis.sh  

audio_vis.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-arecord --rate 16000 --buffer-size=1024 -D loopout -MNqc 1 -f S24_LE -t raw | hexdump -e '/4 " %d"' | tr -d '*' | ./spark
+arecord --rate 10000 --buffer-size=1024 -D loopout -MNqc 1 -f S24_LE -t raw | hexdump -e '/4 " %d"' | tr -d '*' | ./spark

spark_ncurses.c

@@ -12,7 +12,7 @@
 #define NARGS 4096
 #define ARG_SIZE 50
 #define MAX 1000000
-#define MIN 50000
+#define MIN 90000
 
 int args;
 double values[NARGS + 1];
@@ -71,31 +71,23 @@ void stdin_read(void) {
 	}
 }
 
-void mvprint(int y, int x, int lvl) {
-	char *fmt = "@";
-	if (lvl < 4) {
-		fmt = "/";
-		if (y > ws.ws_row / 2)
-			fmt = "\\";
-	}
-
-	else if (lvl - 4 <= 2)
-		fmt = "+";
-
-	mvprintw(y, x, "%s", fmt);
-}
-
 void print(double value, double diff, int col) {
-	size_t m_screen = ws.ws_row / 2;
+	if (col % 2)
+		return;
 
-	if (value >= 0) {
-		int lvl = (int)round((value - MIN + 1) / diff * 2);
-		mvprint(m_screen - lvl, col, lvl);
-	}
+	int lvl = 0;
+	if (value > 0)
+		lvl = (int)round((value - MIN + 1) / diff);
 
-	else {
-		int lvl = (int)round(((value * -1) - MIN + 1) / diff * 2);
-		mvprint(m_screen + lvl, col, lvl);
+	else
+		lvl = (int)round(((value * -1) - MIN + 1) / diff);
+
+	for (int i = 0; i < lvl; i++) {
+		if (value > 0)
+			mvprintw((ws.ws_row / 2) - i, col, "$");
+
+		else
+			mvprintw((ws.ws_row / 2) + i, col, "$");
 	}
 }
 
@@ -124,8 +116,9 @@ int main(void) {
 		stdin_read();
 
 		clear();
+
 		for (int i = 1; i < args - 1; i++)
-			print((values[i - 1] + values[i] + values[i + 1]) / 4, diff, i);
+			print((values[i - 1] + values[i] + values[i + 1]) / 3, diff, i);
 
 		refresh();
 	}