[pulseaudio-tickets] [Bug 93637] pulseaudio core dumped when switch to profile output:iec958-ac3-surround-51 (alsa a52 plugin)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93637

--- Comment #25 from Tom Yan <tom.ty89 at gmail.com> ---
(In reply to Raymond from comment #22)
> aplay use buffer size as start threshold  but pulseaudio use -1
> 
> pcm start after three periods have written,  this mean you have at least
> written 20ms data 
> 
> 
> http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;
> h=a0693150dfd428fdd4df474efdc6b5e26a41ba21;
> hp=3089c5826289f923c8bc63855da681cfdc7125d6

Well the only thing I can tell is, if I `watch -n 0.1
/proc/asound/cardX/pcm1p/sub0/hw_params`, I can see that the card is being open
shortly when I switch to the a52 surround profile. And if I specify my analog
output in the "slavepcm" attribute of the a52 plugin, I can hear a "pop" sound
when I do the switch.

So yeah, I guess it sent a bit to data to it when I switch.

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