[pulseaudio-tickets] [PulseAudio] #770: RAOP detects AirportExpress only after resetting network

[PulseAudio]

#770: RAOP detects AirportExpress only after resetting network
+---
 Reporter:  takkat  |   Owner:  coling   
 Type:  enhancement |  Status:  new  
Milestone:  |   Component:  module-raop-*
 Keywords:  module-raop-discover network reset  |  
+---
 With Ubuntu Karmic 9.10 PulseAudio 0.9.21 runs pretty well playing sound
 smoothly over my WLAN-attached AirportExpress (AE) devices. Thanks a lot
 for this nice work!


 However after startup the AE is only detected when manually performing a
 network-reset. In addition, if WLAN-connection skips temporarily the AE
 may get "lost" and is not available until the network was disconnected and
 re-connected again (using GNOME network-manager).


 I'm not sure on what additional information you need, so please ask.

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[pulseaudio-tickets] [PulseAudio] #771: RAOP streams are delayed

[PulseAudio]

#771: RAOP streams are delayed
---+
 Reporter:  takkat |   Owner:  coling   
 Type:  enhancement|  Status:  new  
Milestone: |   Component:  module-raop-*
 Keywords:  streaming airport express  |  
---+
 Pulseaudio 0.9.21 streams very well over an attached AirportExpress in
 Ubuntu Karmic 9.10 am64. However the streams have a quite long delay of 3
 to 6 seconds thus making them unsuitable for video.

 Interestingly, volume control from PA/Gnome-Applet reacts immediately as
 expected but volume controls from applications have the same 3 to 6 s
 delay.

 It would be very nice to have this delay solved in one of the following
 milestones (if possible).

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Re: [pulseaudio-tickets] [PulseAudio] #771: RAOP streams are delayed

[PulseAudio]

#771: RAOP streams are delayed
--+-
  Reporter:  takkat   |   Owner:  coling   
  Type:  enhancement  |  Status:  new  
 Milestone:   |   Component:  module-raop-*
Resolution:   |Keywords:  streaming airport express
--+-

Comment(by coling):

 Yeah this is a known limitation of the driving code just now.

 Volume changes are passed over a control channel to the device so are
 acted on immediately even if the device has a full buffer.

 If the app in question is clever, it passes on the volume changes to lower
 down the stack the change will be immediate but if it attenuates the data
 it's sending out it will have the delay.

 I'll be fixing this at some point when I rewrite the timing code. Just
 finding it hard to find the time for that as it's a rather complex
 process.

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Re: [pulseaudio-tickets] [PulseAudio] #770: RAOP detects AirportExpress only after resetting network

[PulseAudio]

#770: RAOP detects AirportExpress only after resetting network
--+-
  Reporter:  takkat   |   Owner:  coling
  Type:  enhancement  |  Status:  new   
 Milestone:   |   Component:  module-raop-* 
Resolution:   |Keywords:  module-raop-discover network reset
--+-

Comment(by coling):

 Does unloading and reloading the module-raop-detect module work? You can
 do this by loading paprefs and then unticking and reticking the
 appropriate ticky box.

 If this works then I can only surmise that this related to PA process
 being started before avahi at login. This is totally possible. I'm not
 sure if we need to idle and reconnect to avahi or whether the system
 should guarentee avahi is available at login... h.

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Re: [pulseaudio-tickets] [PulseAudio] #770: RAOP detects AirportExpress only after resetting network

[PulseAudio]

#770: RAOP detects AirportExpress only after resetting network
--+-
  Reporter:  takkat   |   Owner:  coling
  Type:  enhancement  |  Status:  new   
 Milestone:   |   Component:  module-raop-* 
Resolution:   |Keywords:  module-raop-discover network reset
--+-

Comment(by takkat):

 Replying to [comment:1 coling]:
 > Does unloading and reloading the module-raop-detect module work? You can
 do this by loading paprefs and then unticking and reticking the
 appropriate ticky box.

 Nope. Paprefs won't do the job, sorry. However when disconnecting from
 network and reconnecting immediately the AE-sink becomes available...

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Re: [pulseaudio-tickets] [PulseAudio] #770: RAOP detects AirportExpress only after resetting network

[PulseAudio]

#770: RAOP detects AirportExpress only after resetting network
--+-
  Reporter:  takkat   |   Owner:  coling
  Type:  enhancement  |  Status:  new   
 Milestone:   |   Component:  module-raop-* 
Resolution:   |Keywords:  module-raop-discover network reset
--+-
Changes (by coling):

 * cc: lennart (added)


Comment:

 In that case this is almost certainly avahi related in some capacity. I
 have seen people mention the same problem with native PA auto-discovery
 too. Lennart may have some ideas?

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Re: [pulseaudio-tickets] [PulseAudio] #771: RAOP streams are delayed

[PulseAudio]

#771: RAOP streams are delayed
--+-
  Reporter:  takkat   |   Owner:  coling   
  Type:  enhancement  |  Status:  new  
 Milestone:   |   Component:  module-raop-*
Resolution:   |Keywords:  streaming airport express
--+-

Comment(by takkat):

 Replying to [comment:1 coling]:
 > If the app in question is clever (...)

 all the apps I tested are not ;-)

 > I'll be fixing this at some point when I rewrite the timing code. Just
 finding it hard to find the time for that as it's a rather complex
 process.

 Good to hear, that you have the issue in mind - gives us a little chance
 for the future. As for now I'm so happy that it works at all that I can
 live well with the delay. Fortunately the volume control works fine even
 when using media keys.

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Re: [pulseaudio-tickets] [PulseAudio] #770: RAOP detects AirportExpress only after resetting network

[PulseAudio]

#770: RAOP detects AirportExpress only after resetting network
--+-
  Reporter:  takkat   |   Owner:  coling
  Type:  enhancement  |  Status:  new   
 Milestone:   |   Component:  module-raop-* 
Resolution:   |Keywords:  module-raop-discover network reset
--+-

Comment(by takkat):

 Replying to [comment:3 coling]:
 > In that case this is almost certainly avahi related in some capacity.

 ACK. Ping to my ''Airport.local'' is responsive only after a network
 reset. Do you have any ideas for a workaround to make things as easy as
 possible?

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