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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - periodic audio skips with Intel HDA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=49608#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - periodic audio skips with Intel HDA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=49608">bug 49608</a>
from <span class="vcard"><a class="email" href="mailto:rkfg@rkfg.me" title="rkfg <rkfg@rkfg.me>"> <span class="fn">rkfg</span></a>
</span></b>
<pre>Ok, so 1024 overruns:
# aplay -D hw:0,0 -v --buffer-size=1024 /tmp/fr025.wav
Playing WAVE '/tmp/fr025.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Stereo
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 1024
period_size : 256
period_time : 5804
tstamp_mode : NONE
period_step : 1
avail_min : 256
period_event : 0
start_threshold : 1024
stop_threshold : 1024
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
appl_ptr : 0
hw_ptr : 0
underrun!!! (at least 2.306 ms long)
Status:
state : XRUN
trigger_time: 7298.28726754
tstamp : 7298.31029657
delay : 0
avail : 1177
avail_max : 1177
2048 does not:
# aplay -D hw:0,0 -v --buffer-size=2048 /tmp/fr025.wav
Playing WAVE '/tmp/fr025.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Stereo
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 2048
period_size : 512
period_time : 11609
tstamp_mode : NONE
period_step : 1
avail_min : 512
period_event : 0
start_threshold : 2048
stop_threshold : 2048
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
appl_ptr : 0
hw_ptr : 0</pre>
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