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Restore default source in e2e test.

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Also wait for VoE to start up.

TBR=kjellander@webrtc.org
BUG=issue502
TEST=audio_e2e_test

Review URL: https://webrtc-codereview.appspot.com/643006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2391 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
andrew@webrtc.org
2012-06-12 03:25:03 +00:00
parent 6724c4239b
commit 9f6577b304
1 changed files with 28 additions and 9 deletions
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37
tools/e2e_quality/audio/run_audio_test.py
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@ -49,6 +49,16 @@ def main(argv):
help='regular expression to extract the comparison metric')
(options, args) = parser.parse_args(argv[1:])
# Get the initial default capture device, to restore later.
command = ['pacmd', 'list-sources']
print ' '.join(command)
proc = subprocess.Popen(command, stdout=subprocess.PIPE)
output = proc.communicate()[0]
if proc.returncode != 0:
return proc.returncode
default_source = re.search(r'(^ \* index: )([0-9]+$)', output,
re.MULTILINE).group(2)
# Set the default capture device to be used by VoiceEngine. We unfortunately
# need to do this rather than select the devices directly through the harness
# because monitor sources don't appear in VoiceEngine except as defaults.
@ -66,6 +76,12 @@ def main(argv):
print ' '.join(command)
voe_proc = subprocess.Popen(command)
# If recording starts before there is data available, pacat sometimes
# inexplicably adds a large delay to the start of the file. We wait here in
# an attempt to prevent that, because VoE often takes some time to startup a
# call.
time.sleep(5)
format_args = ['--format=s16le', '--rate=' + options.rate,
'--channels=' + options.channels, '--raw']
command = (['pacat', '-p', '-d', options.play_sink] + format_args +
@ -73,10 +89,6 @@ def main(argv):
print ' '.join(command)
play_proc = subprocess.Popen(command)
# If recording starts before there is data available, pacat sometimes
# inexplicably adds a large delay to the start of the file. We wait here in
# an attempt to prevent that.
time.sleep(2)
command = (['pacat', '-r', '-d', options.rec_sink + '.monitor'] +
format_args + [options.output])
print ' '.join(command)
@ -89,16 +101,23 @@ def main(argv):
if retcode != 0:
return retcode
# Restore the initial default capture device.
command = ['pacmd', 'set-default-source', default_source]
print ' '.join(command)
retcode = subprocess.call(command, stdout=subprocess.PIPE)
if retcode != 0:
return retcode
if options.compare and options.regexp:
command = shlex.split(options.compare) + [options.input, options.output]
print ' '.join(command)
compare_proc = subprocess.Popen(command, stdout=subprocess.PIPE)
compare_output = compare_proc.communicate()[0]
if compare_proc.returncode != 0:
return compare_proc.returncode
proc = subprocess.Popen(command, stdout=subprocess.PIPE)
output = proc.communicate()[0]
if proc.returncode != 0:
return proc.returncode
# The list should only contain one item.
print ''.join(re.findall(options.regexp, compare_output))
print ''.join(re.findall(options.regexp, output))
return 0