/usr/share/apport/symptoms/_audio_checks.py is in apport-symptoms 0.16.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | # Sound/audio related problem troubleshooter/triager
# Written by David Henningsson 2011, david.henningsson@canonical.com
# Copyright Canonical Ltd 2011
# License: BSD (see /usr/share/common-licenses/BSD )
import apport
from apport.hookutils import *
from _audio_mixercontrol import *
from _audio_data import *
def check_audio_users(report, ui):
a = get_users_in_group('audio')
report['Symptom_AudioUsers'] = ', '.join(a)
try:
a.remove('pulse')
except:
pass
if len(a) > 0:
yn = ui.yesno('The following users or programs can access the sound card '
'exclusively, and even when not logged in:\n\n%s\n\n'
'This can cause problems even for other users.\n'
'You can fix this by uninstalling the relevant programs or by '
'unchecking the "Use Audio Devices" checkbox for the user '
'in the "users and groups" dialog. Do you want to continue troubleshooting?' %
', '.join(a))
if not yn:
raise StopIteration
def check_volumes(report, ui, card, isOutput, jack, maxdb=None):
try:
aname = 'hw:'+card.alsa_shortname
except:
return # this is a PA card only, can't check alsa stuff
if jack is None:
controlnames = card.get_controlnames(isOutput)
else:
controlnames = jack.get_controlnames()
levels = set()
mcl = MixerControlList(aname, report)
for c in mcl.controls:
cname = c.get_pretty_name()
if not cname in controlnames:
continue
for p in c.pchans:
if ('muted' in c.pchans[p]) and c.pchans[p]['muted']:
levels.add(cname + ' is muted\n')
if ('percent' in c.pchans[p]) and c.pchans[p]['percent'] < 70:
levels.add(cname + ' is at {0}%\n'.format(c.pchans[p]['percent']))
if (maxdb is not None) and ('dB' in c.pchans[p]) and (c.pchans[p]['dB'] > maxdb):
levels.add(cname + ' is at {0} dB\n'.format(c.pchans[p]['dB']))
if len(levels) > 0:
if not ui.yesno('The following mixer control(s) might be incorrectly set: \n' + '\n'.join(levels) +
'Please try to fix that (e g by running \n"alsamixer -D ' +
aname + '" in a terminal) and see if that solves the problem.\n'
'Would you like to continue troubleshooting anyway?\n'):
raise StopIteration
return
def check_pulseaudio_running(report, ui):
''' Possible outcomes: None if pulseaudio is running,
pulseaudio if installed but not running, or
alsa-base if pulseaudio is not installed. '''
if subprocess.call(['pgrep', '-u', str(os.getuid()), '-x', 'pulseaudio']) == 0:
return None
if subprocess.call(['pgrep', '-u', 'pulse', '-x', 'pulseaudio']) == 0:
ui.information('PulseAudio is running as a system-wide daemon.\n'
'This mode of operation is not supported by Ubuntu.\n'
'If this is not intentional, ask for help on answers.launchpad.net.')
raise StopIteration
try:
if apport.packaging.get_version('pulseaudio'):
if ui.yesno('PulseAudio seems to have crashed. '
'Do you wish to report a bug?'):
return set_title(report, 'pulseaudio', 'Pulseaudio is not running')
raise StopIteration
except ValueError:
pass
# PulseAudio is not installed, so fall back to ALSA
return 'alsa-base'
def check_pulseaudio_profile(report, ui, card, isOutput, jack):
''' Returns package, channelmap '''
# ensure card was detected by PA
if not 'pa_card' in card.__dict__:
report['Title'] = get_hw_title(card, isOutput, jack,
"Pulseaudio fails to detect card")
return 'pulseaudio', None
ssname, ssprofile, channelcount = get_pa_default_profile(isOutput)
if not card.has_sink_or_source(ssname):
if not ui.yesno("You don't seem to have configured PulseAudio to use "
'the card you want %s from (%s).\n You can fix '
'that using pavucontrol or the GNOME volume control. '
'Continue anyway?' % ("output" if isOutput else "input", card.pretty_name())):
raise StopIteration
if isOutput and (jack is not None) and (channelcount < jack.needed_channelcount()):
if not ui.yesno("You don't seem to have configured PulseAudio "
'for surround output (%s).\n You can fix that using pavucontrol '
'or the GNOME volume control. Continue anyway?' % ssprofile):
raise StopIteration
return None, channelcount
def check_playback(report, ui, device_name, channelcount):
''' Returns package if it successfully finds one. '''
ui.information('Next, a speaker test will be performed. For your safety,\n'
'if you have headphones on, take them off to avoid damaging your ears.\n'
'Close this dialog to hear the test tone. It should alternate between %d channels.'
% channelcount)
run_subprocess(report, 'Symptom_AlsaPlaybackTest', ['pasuspender', '--',
'speaker-test', '-l', '3', '-c', str(channelcount), '-b', '100000',
'-D', device_name, '-t', 'sine'])
result = ui.yesno('Were the test tones played back correctly?')
report['Symptom_AlsaPlaybackTest'] = "ALSA playback test through %s %s" % (device_name, 'successful' if result else 'failed')
if not result:
return 'alsa-base'
ui.information('Close this dialog to hear the second test tone. It should alternate between channels.')
run_subprocess(report, 'Symptom_SpeakerTestPulse', ['speaker-test', '-l', '3',
'-c', str(channelcount), '-b', '100000', '-D', 'pulse', '-t', 'sine'])
result = ui.yesno('Were the test tones played back correctly?')
report['Symptom_PulsePlaybackTest'] = 'PulseAudio playback test %s' % ('successful' if result else 'failed')
if not result:
return 'pulseaudio'
return None
def check_recording(report, ui, device_name, channelcount, tmpfile):
ui.information('Next, up to two recording tests will be performed. Close this dialog to \n'
'start recording some sounds. After some seconds, the recorded sound should be \n'
'played back to you through the default sound output.')
if os.path.exists(tmpfile):
run_subprocess(report, 'Symptom_RemoveRecording', ['rm', tmpfile])
run_subprocess(report, 'Symptom_AlsaRecordingTest', ['pasuspender', '--',
'arecord', '-q', '-f', 'cd', '-d', '7', '-D', device_name, tmpfile])
run_subprocess(report, 'Symptom_AlsaRecordingPlayback', ['paplay', tmpfile])
result = ui.yesno('Was the sound recorded correctly?')
report['Symptom_AlsaRecordingTest'] = "ALSA recording test through %s %s" % (device_name, 'successful' if result else 'failed')
if not result:
return 'alsa-base'
ui.information('Close this dialog to record some sounds for the second test.\n'
'After some seconds, the recorded sound should be \n'
'played back to you through the default sound output.')
run_subprocess(report, 'Symptom_RemoveRecording', ['rm', tmpfile])
run_subprocess(report, 'Symptom_PulseAudioRecordingTest', [
'arecord', '-q', '-f', 'cd', '-d', '7', '-D', 'pulse', tmpfile])
run_subprocess(report, 'Symptom_PulseAudioRecordingPlayback', ['paplay', tmpfile])
result = ui.yesno('Was the sound recorded correctly?')
report['Symptom_PulseAudioRecordingTest'] = "PulseAudio recording test through %s %s" % (device_name, 'successful' if result else 'failed')
if not result:
return 'pulseaudio'
return None
def check_devices_in_use(report, ui):
report['Symptom_DevicesInUse'] = root_command_output(['fuser','-v'] + glob.glob('/dev/snd/*'))
def check_test_tones(report, ui, card, isOutput, jack):
channelcount = 2
if jack is not None:
channelcount = jack.needed_channelcount()+1
try:
aname = 'plughw:' + card.alsa_shortname
except:
return 'pulseaudio'
if isOutput:
return check_playback(report, ui, aname, channelcount)
else:
return check_recording(report, ui, aname, channelcount, '/tmp/audio_symptom_test.wav')
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