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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Pulseaudio enables Surround 4.0, while chmap reports no RL and RR"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91471#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Pulseaudio enables Surround 4.0, while chmap reports no RL and RR"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91471">bug 91471</a>
from <span class="vcard"><a class="email" href="mailto:arthurborsboom@gmail.com" title="Arthur Borsboom <arthurborsboom@gmail.com>"> <span class="fn">Arthur Borsboom</span></a>
</span></b>
<pre>Situation: alienware-patch applied to kernel 4.2.0-rc5, external subwoofer,
headset or headphones are not plugged in.
Test a)
Stop and start pulseaudio with verbose logging
Verify that the Surround4.0 with Analog Input profile is selected in
pavucontrol
Play music with Audacious
Stop music play
Result of grep matrix pulseverbose.log -C7:
( 4.258| 0.000) I: [pulseaudio] resampler.c: Forcing resampler 'copy',
because of fixed, identical sample rates.
( 4.258| 0.000) D: [pulseaudio] resampler.c: Resampler:
( 4.258| 0.000) D: [pulseaudio] resampler.c: rate 44100 -> 44100 (method
copy)
( 4.258| 0.000) D: [pulseaudio] resampler.c: format s16le -> s16le
(intermediate s16le)
( 4.258| 0.000) D: [pulseaudio] resampler.c: channels 2 -> 4 (resampling
2)
( 4.258| 0.000) D: [pulseaudio] resampler.c: Channel matrix:
( 4.258| 0.000) D: [pulseaudio] resampler.c: I00 I01
( 4.258| 0.000) D: [pulseaudio] resampler.c: +------------
( 4.258| 0.000) D: [pulseaudio] resampler.c: O00 | 1.000 0.000
( 4.258| 0.000) D: [pulseaudio] resampler.c: O01 | 0.000 1.000
( 4.258| 0.000) D: [pulseaudio] resampler.c: O02 | 1.000 0.000
( 4.258| 0.000) D: [pulseaudio] resampler.c: O03 | 0.000 1.000
Test b)
Stop and start pulseaudio with verbose logging
Verify that the Surround4.0 with Analog Input profile is selected in
pavucontrol
Play sound with speaker test -c4 -t wav -Dpulse
Wait for test to finish
Stop pulseaudio
Result of speaker-test
speaker-test 1.0.29
Playback device is pulse
Stream parameters are 48000Hz, S16_LE, 4 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 48 to 524288
Period size range from 16 to 174763
Using max buffer size 524288
Periods = 4
was set period_size = 131072
was set buffer_size = 524288
0 - Front Left
1 - Front Right
3 - Rear Right
2 - Rear Left
Time per period = 5.896920
Result of grep matrix pulseverbose.log -C7
<returns nothing></pre>
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