Pass commandline to ttfb-test.py; display average time.

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

src/ttfb-test.py

@@ -3,13 +3,21 @@
 # test how long the watermarker takes until the first audio sample is available
 
 import subprocess
+import shlex
 import time
+import sys
+
+seconds = 0
 
 for i in range (10):
-    start_time = time.time()
-    proc = subprocess.Popen (["audiowmark", "add", "test/T01__09_sing_sang_sung.flac.wav", "-", "f0"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    start_time = time.time() * 1000
+    proc = subprocess.Popen (shlex.split (sys.argv[1]), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
     # we wait for actual audio data, so we read somewhat larger amount of data that the wave header
     x = proc.stdout.read (1000)
-    end_time = time.time()
-    print (end_time - start_time, x[0:4], len (x))
+    end_time = time.time() * 1000
+
+    seconds += end_time - start_time
+    print ("%.2f" % (end_time - start_time), x[0:4], len (x))
+
+print ("%.2f" % (seconds / 10), "avg")