plot sbc buffer, expects file sbc-buffer.csv

test/avdtp/plot_sbc_buffer.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+import matplotlib.pyplot as plt
+import csv
+
+timestamp = list()
+storage = list()
+sbc_buffer_name = 'sbc_buffer.pdf'
+with open('sbc-buffer.csv', 'rb') as csvfile:
+	data = csv.reader(csvfile, delimiter=' ')
+	for row in data:
+		i = 0
+		for cell in row:
+			if i == 0:
+				timestamp.append(int(cell))
+				i = 1
+			elif i == 1:
+				storage.append(int(cell))
+				i = 2
+	
+t = len(timestamp)
+
+plt.plot(timestamp[0:t], storage[0:t], '.')
+plt.xlabel('Time [ms]')
+plt.ylabel('Queued SBC frames')
+#plt.show()
+plt.savefig(sbc_buffer_name)
+
+print("\nCreated figure \'%s\', audio duration %d seconds.\n" % (sbc_buffer_name, len(timestamp)/1000))