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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - pacat fails in pa_stream_write() for some channel counts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98475#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - pacat fails in pa_stream_write() for some channel counts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98475">bug 98475</a>
from <span class="vcard"><a class="email" href="mailto:darwish.07@gmail.com" title="Ahmed S. Darwish <darwish.07@gmail.com>"> <span class="fn">Ahmed S. Darwish</span></a>
</span></b>
<pre>These are 3 bugs in one psymptom ;-) Fixes for the first two are sent here:
<a href="https://lists.freedesktop.org/archives/pulseaudio-discuss/2016-November/027175.html">https://lists.freedesktop.org/archives/pulseaudio-discuss/2016-November/027175.html</a>
<a href="https://lists.freedesktop.org/archives/pulseaudio-discuss/2016-November/027176.html">https://lists.freedesktop.org/archives/pulseaudio-discuss/2016-November/027176.html</a>
Due to the above two fixes, commands like below ones now work succesfully:
pacat --channels=3 /dev/urandom
pacat --channels=5 /dev/urandom
Third issue can be reproduced with the following command:
pacat --channels=3 /dev/random
Note device change from urandom to random. Above final issue makes
pa_stream_write() fails with EINVAL due to misaligned audio - which resulted
from an incomplete pa_read() due to /dev/random strict randomness semantics.
Maybe we should use a ring buffer in that case. Third patch to be sent soon.</pre>
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