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#!/usr/bin/env python3
# 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() * 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() * 1000
seconds += end_time - start_time
print ("%.2f" % (end_time - start_time), x[0:4], len (x))
print ("%.2f" % (seconds / 10), "avg")
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