[pulseaudio-tickets] [PulseAudio] #322: pulseaudio spams my sound card with noise until my ears bleed

PulseAudio trac-noreply at tango.0pointer.de
Wed Jul 16 14:05:32 PDT 2008


#322: pulseaudio spams my sound card with noise until my ears bleed
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  Reporter:  jstedfast  |       Owner:  lennart
      Type:  defect     |      Status:  new    
  Priority:  normal     |   Milestone:         
 Component:  daemon     |    Severity:  normal 
Resolution:             |    Keywords:         
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Comment (by jstedfast):

 Well, I've had this happen to me with various programs: flash, xine,
 pidgin, I think mplayer, definitely moonlight and probably others.

 I can't speak for most of the above clients, but as far as moonlight is
 concerned, we create a new alsa context per media source and use the
 RW_INTERLACED mode. However, it's not like any of the times I've been able
 to reproduce this with moonlight being the only running app making any
 sound requests that there has ever been more than 1 media source playing
 at a single time. Usually I'm able to reproduce on the very first media
 source being played (typically hangs at the end).

 I'm not sure how short qualifies as "short", but the shortest stream I've
 ever tried to play in moonlight is included in the bug report I filed
 called something like "pa can't play short audio streams" or some such
 (which is ~8k or so). The next shortest stream I've tried to play is a
 good 3 or 4 times larger than that one. So I guess we're not trying to
 play "short" streams nor "a lot of simultanious" streams. I can't think of
 anything special that we are doing either.

-- 
Ticket URL: <http://www.pulseaudio.org/ticket/322#comment:15>
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