[pulseaudio-tickets] [Bug 49681] system.pa crashes if auth-anonymous=1 is used with module-native-protocol-tcp

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49681

--- Comment #23 from Raymond <superquad.vortex2 at gmail.com> ---
(In reply to Martin-Éric Racine from comment #4)
> I: [alsa-source] alsa-source.c: Overrun!
> I: [alsa-source] alsa-source.c: Increasing minimal latency to 1,00 ms
> D: [alsa-source] alsa-source.c: latency set to 24,99ms
> D: [alsa-source] alsa-source.c: hwbuf_unused=61132
> D: [alsa-source] alsa-source.c: setting avail_min=443
> 


you need to enable DEBUG_TIMING

If pulseaudio did not wakeup in time to read the data from the sound card, this
mean hwptr was ahead of appl_ptr by more than one buffer size, 

some of the recorded data were overwrited by the recent record audio, but you
still had one buffer size of unreaded data in the buffer 

to recover you still need to use snd_pcm_forward to move appl_ptr to the
position which is one buffer size behind hwptr  before you read the remain data
from the buffer

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