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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - protocol-native: I get endless underruns when I playback when alsa buffer size is small"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84878#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - protocol-native: I get endless underruns when I playback when alsa buffer size is small"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84878">bug 84878</a>
from <span class="vcard"><a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> <span class="fn">Raymond</span></a>
</span></b>
<pre>(In reply to Alban Browaeys from <a href="show_bug.cgi?id=84878#c13">comment #13</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=112916" name="attach_112916" title="pcm_avail.c results : results from DESCRIPTOR mode">attachment 112916</a> <a href="attachment.cgi?id=112916&action=edit" title="pcm_avail.c results : results from DESCRIPTOR mode">[details]</a></span>
> pcm_avail.c results : results from DESCRIPTOR mode</span >
buffer_size : 4096
period_size : 1024
period_time : 21333
tstamp_mode : NONE
period_step : 1
avail_min : 1024
period_event : 0
start_threshold : 1024
stop_threshold : 4096
silence_threshold: 0
silence_size : 0
boundary : 1073741824
appl_ptr : 0
hw_ptr : 0
Playing silence
now_us-last_us=140370086 now_us-start_us=23 time_us-start_us=14
time_us-last_time=140370077 time_us-start_time=5 Available: 0 loop
iteration: 0
now_us-last_us=20732 now_us-start_us=25674 time_us-start_us=25666
time_us-last_time=20728 time_us-start_time=25657 Available: 1024
loop iteration: 769
now_us-last_us=13 now_us-start_us=67428 time_us-start_us=67421
time_us-last_time=32481 time_us-start_time=67412 Available: 3072
loop iteration: 222
avail should be increment by period size , it is strange that 2048 not in your
result
<a href="http://www.alsa-project.org/main/index.php/XRUN_Debug">http://www.alsa-project.org/main/index.php/XRUN_Debug</a></pre>
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